# GTO Gecko > GTO Gecko is a GTO poker solver and trainer for web, iOS, Android, and macOS. It ships presolved cash game, MTT, and spin & go libraries (including 3-way multiway spots), adaptive trainers with ELO tracking, and SHAP-based explainability for every solution. Plans start at $24.99/mo; all-access is $39.99/mo. ## Blog ### Poker Action Out of Turn: When Does the Bet Stand? https://gtogecko.com/blog/poker-action-out-of-turn An out-of-turn bet can still stand. When the dealer corrects the error promptly, a check or call by the skipped player leaves the early wager binding under the Poker TDA profile used here. A new bet or raise can give the early bettor a fresh choice. An early fold has its own treatment. First stop the sequence and tell the dealer who has not acted. Then separate two questions: what happens to the early action, and what options remain for the skipped player? The answer to one does not settle the other. Choose the rulebook before the ruling This off-table casebook applies [Poker TDA 2024 v1.0, Rules 53 and 58](https://www.pokertda.com/view-poker-tda-rules/). Play returns to the proper actor. A fold by that actor also leaves the early wager binding. Penalties are a separate issue. The prompt-correction path in Cases 1–4 assumes no delayed-objection complication; Case 6 handles that separately. The TDA website still displays that version while its [2026 announcement](https://www.pokertda.com/) describes a forthcoming update. Check the event's adopted rules. A cash room or a different tournament series may use a different procedure. The same early bet, two different outcomes These are constructed no-limit Hold'em tournament examples. Blinds are 100/200; all cases occur after the flop. Players have enough chips for the stated actions, no one is all-in, declarations are clear, and the dealer catches the error promptly unless stated otherwise. Numbers are tournament chips, not currency. Cards, pot size, rake and antes do not decide the procedural question. Case 1: A check leaves the 600 bet in place On the turn, A should act before B. B says “bet 600” too early. The dealer returns action to A, who checks. B's 600 is binding. A's check did not create a different wager for B to face. Case 2: A 300 bet gives B a new decision Start again with the same early 600. This time A bets 300 when action is restored. B's early wager is no longer binding: B can call 300, make a legal raise or fold. The floor does not simply replace B's 600 with an automatic call. The contrast is useful when recording a disputed hand. “Someone acted before B” is insufficient. Write the action itself: a check and a bet of 300 produce different cases. The early wager and the skipped hand need separate decisions. Cases 1–4 explain prompt correction; Case 6 explains a delayed objection. A call is not a change of action Now use three players in order A, B, C. A bets 300. B has not responded when C announces a raise to 900 total. - B calls 300: C's raise to 900 remains binding. B added chips, but did not raise the wager C faces. - B raises to 600 total: C's early raise is released. C gets a fresh legal choice against 600. This is different from being forced to repeat the original raise. “Released” describes C's obligation, not the size C must choose next. In Case 4, C could still choose a legal raise to 900; C could also call 600 or fold. B's valid raise remains in place. Keep that distinction when correcting the hand history. These examples keep every raise large enough to avoid another dispute. For the separate question of a short all-in and a player's right to raise again, use the [betting-reopening guide](https://gtogecko.com/blog/short-all-in-reopen-betting). Resolving an out-of-turn error comes first. If a chip movement itself is unclear, the [one-chip rule examples](https://gtogecko.com/blog/one-chip-rule-poker) explain why declarations and timing matter. Two cases that break the shortcut Case 5: an early fold stays folded Three players remain, in order A, B, C. B folds before A acts. With C still in the hand, A then bets 300. Under the stated TDA profile, B cannot use that changed action to reclaim the hand. A mnemonic saying “changed action cancels everything” fails this case. Case 6: the skipped player stays silent A has not acted. B bets 600, then C calls. A had reasonable time to object but remained silent until after those actions. This is not the prompt correction assumed in Cases 1–4. [TDA Rules 36 and 53B](https://www.pokertda.com/view-poker-tda-rules/) make the early action binding when the skipped player had reasonable time but failed to speak up before substantial action followed. The floor determines the skipped hand's treatment; it may restrict action or rule the hand dead. Do not infer an automatic fold from the wager's binding status. In Case 6, the bet and call supply the substantial-action trigger. The [2026 WSOP rules, 88c and 90d](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), also distinguish substantial action from an ordinary change in wager. Two actions in order qualify if at least one commits chips; otherwise three actions in order qualify. [TDA Rule 36](https://www.pokertda.com/view-poker-tda-rules/) excludes posted blinds from this count. Whether A actually had reasonable time is a fact for staff to establish, not something this written example can prove about a real dispute. Checking early needs an extra rulebook check The [2026 WSOP tournament rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) add a restriction for passive out-of-turn action in a betting round that began heads-up: absent accidental dealer prompting, that player is limited to passive action when reached, such as checking, calling or folding as applicable. Do not extend our early-bet examples to conclude that every early check permits a later raise. See Rule 90d (printed page 20) and the glossary (page 35). Reconstruct the sequence before studying the hand Use the [printable casebook and blank correction record](https://gtogecko.com/data/poker-action-out-of-turn/reference-sheet.html) away from the table. Cover the answers, compare Cases 1–2 and 3–4, and identify the one intervening action that changes the result. Then explain why Case 5 cannot follow the same shortcut. For an actual hand review, record: - The event, adopted rules, street and players' action order. - The last valid wager and the early player's exact words or chip motion. - Each intervening action, in order, including total wager amounts. - When the skipped player objected, what the dealer said and the floor's eventual ruling. Keep the attempted action separate from the action staff accepted. A later strategy review needs the corrected legal sequence. A note that silently removes the early 600 loses the reason B received a fresh choice in Case 2. If the sequence remains unclear, retain that uncertainty in your [hand notes](https://gtogecko.com/blog/poker-hand-notes). For broader fundamentals study, [River](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420) offers interactive poker lessons and questions. River and GTO Gecko share publisher GTO Solutions AS. The worksheet is a separate editorial exercise; it is not a River feature or a live ruling service. Method and limits We built six synthetic action sequences to isolate four distinctions: check versus bet, call versus raise, fold versus wager, and prompt correction versus a delayed objection. The [case data](https://gtogecko.com/data/poker-action-out-of-turn/cases.json) preserve both the attempted sequence and expected treatment. The [method note](https://gtogecko.com/data/poker-action-out-of-turn/README.md) identifies the source profile and exclusions. This is a learning reference, not an exhaustive adjudicator. It does not resolve unclear declarations, disputed timing, dealer errors, multiple overlapping errors, exposed cards or house exceptions. The cases do not recommend using another player's mistake to choose a poker strategy. Dealer and floor decisions govern the actual hand. Sources checked September 7, 2026 (Europe/Oslo). Examples and diagrams are original. No observed player data, simulations or learning-outcome measurements are used. ### Can You Lose ICM Equity Without Playing a Hand? https://gtogecko.com/blog/icm-equity-without-playing Yes. Your ICM equity can fall when two other players exchange chips, even if your own stack does not change. A short stack doubling through a larger stack can leave you with a smaller modeled share of the prizes. That does not contradict the result that spectators benefit on average from a fair two-player chip gamble. One observed outcome and an expectation over possible outcomes are different comparisons. This after-session example answers a specific review question: “Why did my ICM number go down when I was not in the pot?” For the underlying model, start with our [ICM introduction](https://gtogecko.com/blog/icm-poker-strategy). The calculations below are constructed examples. They explain a change in valuation; they do not show that Hero should have folded a particular hand. One fixed stack, two different futures Three players remain, with prizes of $500, $300 and $200. Hero holds 20,000 chips, A holds 60,000, and B holds 20,000. We isolate a transfer between A and B: either A wins 20,000 chips from B, eliminating B, or B wins 20,000 from A and doubles. Hero’s stack stays at 20,000 throughout. These are complete stack distributions before and after a synthetic transfer. No separate pot, blind or ante is added to them. We do not model cards, positions, betting decisions, fees, bounties or subsequent hands. Amounts are modeled prize equity in dollars. On a narrow screen, scroll to compare all players. Hero’s chips stay fixed while everyone’s prize equity changes State Stacks: Hero / A / B Hero A B Before 20k / 60k / 20k $295.00 $410.00 $295.00 A wins; B busts 20k / 80k / 0 $340.00 $460.00 $200.00 paid B wins; B doubles 20k / 40k / 40k $286.67 $356.67 $356.67 “k” means 1,000 chips. Displayed cents are rounded independently; the exact values in each row sum to $1,000. When B doubles, Hero loses about $8.33 of ICM equity . Hero still has the same chips and the same guaranteed $200 minimum prize. The change is in the model’s estimate of the eventual payout, not money taken from an account. The distribution of the other 80,000 chips changes, so the model changes Hero’s chances of finishing second or third. Both branches leave Hero with 20,000 chips. The average is a third calculation, not another possible final stack. Why the short-stack double-up costs Hero equity ICM assigns first-place probability in proportion to chips, then removes each possible winner’s chips to calculate the remaining places recursively. This is the model definition in [George Gilbert’s paper on ICM, section 3](https://arxiv.org/pdf/0911.3100). Hero owns 20% of the chips in every state, so Hero’s modeled first-place probability stays at 20%. Before the transfer, Hero’s second-place probability is: P(second) = P(A first) × P(Hero next | A first) + P(B first) × P(Hero next | B first) = 0.60 × (20 / 40) + 0.20 × (20 / 80) = 35% Third place therefore has probability 45%. Hero’s value is 0.20 × $500 + 0.35 × $300 + 0.45 × $200 = $295 . After B doubles, second-place probability becomes 0.40 × (20/60) + 0.40 × (20/60) = 26⅔% . Third-place probability rises to 53⅓%. That moves 8⅓ percentage points from second to third, across a $100 prize difference, reducing Hero’s value by $8⅓. After B busts, Hero has already secured at least $300. The two remaining prizes give 0.20 × $500 + 0.80 × $300 = $340 . B’s paid $200 remains part of the original $1,000 pool; do not award it again to the survivors. Why a fair clash still helps the spectator on average Now assign each transfer outcome a 50% probability. Each participant wins or loses the same 20,000 chips, so each has zero expected chip change. Hero’s expected post-transfer ICM value is: 0.50 × $340 + 0.50 × $(860/3) = $(940/3), about $313.33 Change from $295: +$18.33 This is consistent with [Gilbert’s Theorem 2](https://arxiv.org/pdf/0911.3100): under ICM, a spectator’s expected prize equity increases for a nontrivial, chip-fair wager between exactly two participants, with nonincreasing prizes and at least one remaining player receiving less than second-place money. “Fair” means zero expected chip change, not that both players chose good tournament actions. The double-up branch still has an $8.33 decline in modeled value. It is outweighed, in the 50/50 average, by the $45 gain in the elimination branch. Our [final-table strategy guide](https://gtogecko.com/blog/final-table-icm-strategy) discusses the broader bystander benefit; this branch calculation shows why that benefit is not a promise about every result. Do not silently assume the clash is fair Let p be the probability that A wins this particular 20,000-chip transfer. Keeping both endpoint distributions fixed: Hero’s expected ICM value = p × $340 + (1 − p) × $(860/3) Equal to the $295 baseline when p = 5/32 = 15.625% Above 15.625%, Hero gains in expectation; below it, Hero loses. For example, if A wins only 10% of the time, Hero’s expected value is $292, down $3 . That transfer is not chip-fair, so it does not meet the theorem’s assumptions. The threshold belongs only to these stacks, prizes and two outcomes; it is not a calling threshold for anyone’s hand. Each row changes one declared assumption. Scroll to compare the outcomes. Cases that stop the average gain from being a universal rule Change to the example Hero before Hero expected after Original prizes, fair 50/50 transfer $295.00 $313.33 Original prizes, A wins only 10% $295.00 $292.00 Winner takes $1,000; others $0 $200.00 $200.00 Every player receives $300 ($900 total) $300.00 $300.00 A review note that keeps the comparisons separate - Record the full state. Save every remaining stack and the complete payout ladder. An unchanged Hero stack is insufficient. - Name the comparison. Are you explaining the result that occurred, or estimating the value before it occurred? - For an expectation, keep every outcome and its probability. Do not replace a possible double-up with an assumed elimination. Include ties or other outcomes if the real hand permits them. - Separate valuation from action selection. To evaluate folding, calling or raising, compare complete continuations from the same decision state. This isolated transfer does not value those actions. A completed note reads: “Hero kept 20k. B doubled, so the state changed from 20/60/20 to 20/40/40. With prizes 500/300/200, Hero’s ICM value fell from $295 to $286.67. A hypothetical fair 50/50 transfer instead has mean $313.33.” For structured off-table study, we recommend [ICM Trainer](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367), from the same GTO Solutions team as GTO Gecko. Its precomputed tournament scenarios provide stack and payout context for preflop study. The independent calculations here are not app output and do not claim that the app offers this spectator worksheet. Method, sources and limits Sources were checked September 6, 2026 (Europe/Oslo). We evaluated three synthetic stack states using exact rational arithmetic, then checked 101 values of A’s win probability with the original prizes and 21 transfer sizes under each of three payout profiles (63 transfer rows). An independent implementation enumerates finishing orders. The transfer checks include zero transfer and the full 20,000-chip transfer, plus winner-take-all and equal-prize controls. No simulation, seed or sample of real players was used. Download the [exact results](https://gtogecko.com/data/icm-equity-without-playing/results.json), [probability table](https://gtogecko.com/data/icm-equity-without-playing/probability-sensitivity.csv), [transfer and payout checks](https://gtogecko.com/data/icm-equity-without-playing/transfer-sensitivity.csv), [Python generator](https://gtogecko.com/data/icm-equity-without-playing/generate.py), [independent Python verifier](https://gtogecko.com/data/icm-equity-without-playing/verify.py), [reproduction instructions](https://gtogecko.com/data/icm-equity-without-playing/README.md) and [file manifest](https://gtogecko.com/data/icm-equity-without-playing/MANIFEST.sha256). ICM is a valuation model, not a guarantee of future prizes. These calculations omit skill differences, future blind pressure and the actual hand’s strategy. The two-participant theorem cannot be carried over to every multiway transfer. For a negotiated payout, the [separate ICM deal guide](https://gtogecko.com/blog/icm-deal-money-left-to-play) explains guaranteed money and prizes still left to play for. ### Effective Stacks in Multiway Poker: Who Covers Whom? https://gtogecko.com/blog/multiway-effective-stacks In a multiway poker hand, there may be several effective stacks. Before anyone acts on the flop, if you have 200 big blinds behind, one opponent has 120 and another has 40, you are 120bb effective against the first opponent and 40bb against the second. The 40bb player does not limit how much the two deeper players can put at risk against each other. The useful question is: effective against whom, and at what point in the hand? At the start of a street, name both players and take the smaller stack. Once a bet has been made, keep the amount already committed too. The worked map below and the [stack-map calculator for off-table review](https://gtogecko.com/data/multiway-effective-stacks/stack-map.html) use that explicit boundary. The examples are constructed accounting exercises, not recommended betting lines. First, fix the moment you are measuring Heads-up, effective stack normally means the smaller of the two players' stacks. With more opponents, there is more than one pairing; [GTO Wizard's glossary](https://gtowizard.com/en/glossary/effective-stack/) makes that distinction explicitly. Our map uses a specific checkpoint: the start of a postflop betting round, before anyone acts . Record each player's chips still behind, in big blinds. All current-street contributions are zero. Chips from earlier streets are already in the pot and are recorded separately. For two players who still have chips and have not folded, take the smaller remaining stack: Pair's effective remaining stack = min(player A's remaining stack, player B's remaining stack). This is the ceiling on the amount each can contribute from that checkpoint and have matched by the other. It is not the size of a pot, a price to call, or a command to commit those chips. A pot-limit or fixed-limit game's betting rules also restrict which wagers can be made now; our worked examples use no-limit Hold'em. 200bb, 120bb and 40bb produce three relationships Suppose A, B and C reach the flop with 200bb, 120bb and 40bb behind respectively. Nobody has acted on the flop. There is one existing pot; its size does not change the following stack ceilings. On narrow screens, scroll the table sideways. Keyboard users can focus the table region and use the arrow keys. Flop start, before action. All values in bb. Pair Behind (bb) Effective (bb) A–B 200 / 120 120 each A–C 200 / 40 40 each B–C 120 / 40 40 each A can match B for 120bb even though C has only 40bb. If C commits all-in for 40bb and A and B each contribute more, the excess they match belongs in a separate side pot that C cannot win. That is the role of the all-in and table-stakes rules described by [PokerStars](https://www.pokerstars.com/poker/games/rules/). Do not add a player's pairwise ceilings. A's 120bb against B and 40bb against C do not create 160bb of separate stack commitments. The first 40bb that A contributes can be matched by both opponents; it is the same 40bb of A's stack. If both opponents commit everything, A can have at most 120bb of new contributions matched by someone. A's other 80bb has no opponent able to match it from this checkpoint. These amounts describe new contributions, not net winnings or the existing pot. For the largest amount of one player's remaining stack that opponents could collectively match, use the smaller of that player's stack and the largest stack among opponents still able to bet. The table is a set of overlapping relationships, not independent heads-up pots. To divide actual final contributions and determine who can win each pot, use our [side-pot calculation guide](https://gtogecko.com/blog/side-pot-equity-calculation). Keep the seat names when stacks change Now swap B's and C's stacks: A still has 200bb, but B has 40bb and C has 120bb. The table's smallest stack is still 40bb. Yet A is now 40bb effective against B and 120bb against C. A note saying only “three-way, 40bb effective” loses that distinction. Keep each player's position and stack together. The map does not say how different players will respond; it preserves the information needed to ask that question. Our [multiway strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy) examines the separate problem of playing against more than one range. Folded and all-in mean different things. A folded player no longer belongs in the map of future opponents, regardless of the chips still in their stack. A player already all-in also has no chips left for future betting, but remains eligible for the pots their contribution permits. Removing either player from the future-betting map does not remove their chips from an existing pot. The [official fold and all-in rules](https://www.pokerstars.com/poker/games/rules/) explain why these statuses must stay distinct. After a bet, chips behind alone can give the wrong answer Here is a separate heads-up example showing the boundary. At the start of the flop, A has 200bb behind and B has 120bb. A bets 30bb. A now has 170bb behind; B still has 120bb. Taking min(170, 120) gives 120bb, but that is not the amount A can still add and have matched by B. A already has 30bb committed on this street. If B raises all-in to 120bb total, A needs another 90bb to match it: 120 − 30 = 90. B's initial price to call A's opening bet was 30bb . None of those amounts is interchangeable. Preserve the street-start stacks and action history, or record both each player's current contribution and chips behind. Our calculator deliberately stops when any current-street contribution is nonzero. It does not reconstruct a wager, resolve raise rights, or turn an incomplete record into a reliable state. For uncertain inputs, use the [hand-notes guide](https://gtogecko.com/blog/poker-hand-notes) before calculating. Use the map to choose a study spot Before opening a saved solution, write down the players and positions, the game format, the relevant stack checkpoint, and each remaining stack. Keep the pot, previous action and current-street commitments alongside them. In a tournament, payouts and the other tournament stacks may matter to the strategic model as well. A single “40bb” setting cannot by itself describe our 200/120/40 flop state. Nor does looking up one heads-up solution for each pair solve the three-player hand: the players share a pot and their decisions interact. Check what the study tool's depth field represents before substituting a number. For off-table study, we recommend GTO Gecko's available solved scenarios when the format, positions and stack assumptions fit the question you are studying. Its [current official listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) describes poker training and strategy study. Compare the scenario's stated stack assumptions with your recorded checkpoint; a depth label alone does not establish a match. Read our [solver study guide](https://gtogecko.com/blog/how-to-use-a-poker-solver) for interpreting a solution after matching the setup. Disclosure: GTO Gecko is published by GTO Solutions AS. The stack map is a separate educational aid made for this article, not a claim that the app accepts arbitrary unequal-stack inputs or reconstructs a hand. Use or check the stack map [Open the stack-map calculator](https://gtogecko.com/data/multiway-effective-stacks/stack-map.html) to enter two to nine seats at the stated checkpoint. It lists each active pair, preserves folded and all-in labels, and shows why the pairwise amounts should not be added. It computes in your browser without sending the entered values to a server. The [example inputs and exact results](https://gtogecko.com/data/multiway-effective-stacks/cases.json), [Python reference checker](https://gtogecko.com/data/multiway-effective-stacks/verify.py) and [method and reproduction instructions](https://gtogecko.com/data/multiway-effective-stacks/README.txt) make the calculations inspectable. No random simulation or player data is involved. The checks cover the example, seat swaps, scaling, folded/all-in exclusions and invalid inputs. The map counts possible matched future contributions at a deliberately narrow checkpoint. It does not measure hand equity, expected value, profitable bet sizes, tournament equity, or final payouts. Product and primary sources were checked on September 6, 2026. ### Multiway Fold Equity: Which Fold Rate Do You Multiply? https://gtogecko.com/blog/multiway-fold-equity To calculate the chance that two opponents fold, multiply the first opponent’s fold probability by the second opponent’s fold probability after the first folds . Multiplying two overall fold rates assumes independence. Two overall 60% rates alone can correspond to a 20%, 36% or 60% chance of winning the pot without a call. Here, “fold equity” refers to the probability that everyone facing the bet folds; we calculate its chip-EV consequence separately. This is an after-session calculation guide, extending the explicitly independent-fold example in our [multiway strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy). Every response count below is constructed, not a player observation or solver strategy. The second denominator is the branch you reach Consider a three-way Hold’em river. Hero acts first and moves all-in for 50 chips into a 100-chip pot. Both opponents cover Hero. A responds first, then B. In this simplified model, each defender only folds or calls, and Hero receives nothing at showdown whenever either player calls. There is no rake, additional fee or later betting. Write F_A for “A folds” and F_B for “B folds.” The [conditional-probability multiplication rule](https://ocw.mit.edu/courses/18-05-introduction-to-probability-and-statistics-spring-2022/mit18_05_s22_class03-prep.pdf) gives: P(both fold) = P(F_A) × P(F_B | F_A) The vertical bar means “given that.” If A folds in 60 of 100 probability-mass units and B folds in 36 of those 60, the calculation is (60/100) × (36/60) = 36/100 . B’s second denominator is 60, not 100. The worked independent case: follow the all-fold branch. The complete four-cell ledger appears below. B’s overall fold rate mixes two different situations: responding after A folds and responding after A calls. Even the pot facing B changes: 150 chips after A folds, 200 after A calls, with 50 to call in either case. Those contexts need not produce the same response rate. This arithmetic does not tell us which response is strategically correct. The same two 60% rates, three different answers Read each column as a separate synthetic response model totaling 100 equally weighted units. These are convenient probability weights, not a sample of 100 played hands. “A folds, B calls” and “A calls, B folds” are different paths. On a narrow screen, scroll the table to compare all three models. Identical individual totals conceal different joint responses Ordered response Low joint Independent High joint A folds, B folds 20 36 60 A folds, B calls 40 24 0 A calls, B folds 40 24 0 A calls, B calls 0 16 40 A folds overall 60/100 60/100 60/100 B folds overall 60/100 60/100 60/100 B folds after A folds 20/60 = 33⅓% 36/60 = 60% 60/60 = 100% In the low-joint model, B’s 60 folds include 40 that happen after A has already called. Those folds cannot win Hero the pot uncontested. Only the 20 folds following A’s fold count toward that outcome. The endpoints are exact given these marginals. Two sets of 60 fold-units within a universe of 100 must overlap by at least 60 + 60 − 100 = 20 ; their overlap cannot exceed either set’s 60. Thus the all-fold probability can be anywhere from 20% to 60% . These are logical bounds, not confidence intervals or claims about how poker players usually behave. What that changes in the bluff calculation Let q be the chance that both fold. Relative to Hero’s stack immediately before the bet, the all-fold branch gains the existing 100-chip pot. Every called branch loses Hero’s 50-chip bet under our zero-showdown-payout assumption. Prior contributions to the pot are already spent. EV(bet) = q × 100 − (1 − q) × 50 = 150q − 50 chips Break-even q = 50 / 150 = 1/3 These values apply only to the declared 100-chip pot and 50-chip river bet; scroll to compare the columns. One pair of overall rates can hide a change in the sign of EV Model Both fold Bet EV Low joint 20% −20 chips Independent 36% +4 chips High joint 60% +40 chips If A folds 60%, B’s conditional break-even rate is (1/3) ÷ 0.60 = 5/9, about 55.56% ; positive bet EV requires a rate above that exact threshold. That question is much more specific than “Does B fold 60% overall?” It asks how often B folds on the branch that still lets the bluff succeed. Hero’s uncalled 50 chips are returned when both opponents fold, so that branch gains 100, not 150. The [single-street pure-bluff calculation in GTO Wizard’s original analysis](https://blog.gtowizard.com/the-math-of-multistreet-bluffs/) uses the same gain-on-fold, loss-on-call accounting. A positive number here does not rank the available actions. We have not modeled checking, another bet size, hand ranges, card removal or opponents changing their responses. If Hero can win or tie when called, the called branches need their own payouts; this two-outcome formula is insufficient. Tournament prize-money EV also requires more than this chip accounting. An after-session audit you can repeat With three or more defenders, each later fold probability must be conditioned on all earlier defenders folding. Conditioning only on the immediately preceding player is insufficient. If the first defender never folds, the all-fold probability is zero; the next conditional rate on that unreachable branch is undefined. - Freeze the scenario. Keep board, Hero’s cards or range, street, positions, pot, bet, stacks, players and prior action consistent. Card removal can change which opponent combinations remain. A general fold-to-bet percentage, or a rate averaged across Hero’s range, is not automatically a rate for this particular bluff. - Name the response order. Record who faces the bet first, and the history under which the next defender acts. - Preserve the branches. For B-after-A-fold, retain both the number of B folds and the number of times A folded and B faced the bet. Do not borrow B-after-A-call observations for that denominator. - Calculate, then qualify. Multiply the matching branch rates. If you only have pooled rates, keep the result unresolved or state an independence assumption explicitly. A completed note for the low-joint example reads: “A folds 60/100. B folds 20/60 after A folds; B’s other 40 folds followed an A call. Both fold 20/100. The zero-payout-when-called model gives −20 chips.” This makes the missing denominator visible to a reviewer. With real observations, a correctly chosen denominator can still be small or unrepresentative. Our [opportunity-count and uncertainty guide](https://gtogecko.com/blog/poker-stat-sample-size) addresses that separate problem. No number of extra pooled observations removes the need to identify the relevant branch. Practice the assumption, then return to the hand For off-table practice against modeled opponent styles, we recommend [Live Poker Trainer](https://apps.apple.com/us/app/live-poker-trainer/id6760467336). It and GTO Gecko share the GTO Solutions team. Its drills provide action-frequency and EV feedback within modeled scenarios. These are a separate study activity: the response ledgers here do not come from the app and do not establish anyone’s actual multiway fold rate. Sources and reproducible examples Primary sources were checked September 6, 2026 (Europe/Oslo). The mathematical identity comes from [MIT’s conditional probability and independence notes](https://ocw.mit.edu/courses/18-05-introduction-to-probability-and-statistics-spring-2022/mit18_05_s22_class03-prep.pdf). All table counts and chip values are our constructed calculations, not measured player tendencies. Download the [exact results](https://gtogecko.com/data/multiway-fold-equity/results.json), [41-table sensitivity CSV](https://gtogecko.com/data/multiway-fold-equity/response-tables.csv), [Python generator](https://gtogecko.com/data/multiway-fold-equity/generate.py), [independent verifier](https://gtogecko.com/data/multiway-fold-equity/verify.mjs), [method and reproduction instructions](https://gtogecko.com/data/multiway-fold-equity/README.md), [response diagram](https://gtogecko.com/data/multiway-fold-equity/response-tree.svg) and [file manifest](https://gtogecko.com/data/multiway-fold-equity/MANIFEST.sha256). The examples exhaust the integer joint counts from 20 to 60 for these marginals. No random simulation, real hand sample or poker solver was used. Product source: [official Live Poker Trainer listing](https://apps.apple.com/us/app/live-poker-trainer/id6760467336). The article’s branch audit is an independent editorial explanation, not a claim that the product calculates these joint probabilities. ### The One-Chip Rule in Poker: Call or Raise? https://gtogecko.com/blog/one-chip-rule-poker Facing a bet with no earlier chips in front of you, one oversized chip placed silently is a call under the Poker TDA one-chip rule. Two chips worth the same total can produce a raise. Read the action before doing the raise arithmetic: count the physical chips and establish what was said first. To make your intended action clear, say “call” or state a legal raise total before moving the chips: for example, “Raise to 1,000.” The examples below show why silently relying on a large chip can communicate something different. Rules checked September 6, 2026: this guide uses [Poker TDA 2024, version 1.0](https://www.pokertda.com/view-poker-tda-rules/), the currently published English rules. TDA has announced a planned mid-September release of its 2026 rules. Check the host’s adopted rules; these examples do not decide a live dispute. TDA rules used by permission of the Poker TDA, Copyright 2026, [http://www.pokertda.com](https://www.pokertda.com/), All rights reserved. Same 1,000 total, different action Imagine an in-turn postflop decision in a no-limit Hold’em tournament. The minimum bet is 200. Another player opens for 400; you have not acted and have no chips already committed on this street. You have 5,000 chips, can raise, and move the stated chips forward together without speaking. The total moved is 1,000 in both cases. Changing the physical chips changes the action under this rules profile. In the first case, the single 1,000 chip calls 400 and leaves 600 in change. In the second, the two 500 chips count as a raise to 1,000, an increase of 600 over the opening bet. That is large enough to be a full raise. The single-chip case follows TDA Rule 44; the two-chip case follows Rules 45 and 43. Do not start by asking whether 1,000 is “big enough to raise.” First identify which chip-action rule applies. With several chips, test the smallest one first With no earlier chips on this street and no prior declaration, mentally subtract one smallest chip from the multiple-chip total moved. If the remainder is below the amount to call, the chips describe a call under Rule 45-A. This is a mental test, not an instruction to physically take back a chip. Now change only the opening bet from 400 to 600. You still put forward two 500 chips. Removing one leaves 500, which is below 600: both chips are needed, so the action calls 600 and returns 400 in change. All amounts are tournament chips. These constructed cases have no prior street chips, no declaration, full raise rights and chips behind. Scroll the table on a narrow screen. Change one fact before deciding call or raise Opening bet faced Chips moved After removing one smallest chip Action 400 One 1,000 Single-chip rule applies Call 400 400 500 + 500 500 covers 400 Raise to 1,000 600 500 + 500 500 does not cover 600 Call 600 Only then apply the 50% test After the multiple-chip test, a surplus-chip action with chips behind reaches the incomplete-raise check. We keep the original 5,000-chip stack in both examples below, so completing a minimum raise is possible. In our 400-opening-bet example, the minimum full raise is another 400, for a total of 800. Half of that required increase is 200. Compare two new silent actions: - 500 + 100 = 600. Removing the 100 leaves enough to call. The attempted increase is 600 − 400 = 200, exactly half the required raise. Complete to 800 by adding 200. - 500 + 25 = 525. Removing the 25 also leaves enough to call. But the increase is only 125, below the 200 threshold. With chips behind and no prior raise declaration, this calls 400; 125 is change. Putting out extra chips to obtain convenient change is risky. [TDA Rule 61](https://www.pokertda.com/view-poker-tda-rules/) specifically addresses that mistake. Say “call” before moving chips if that is your intended action. This 50% interpretation does not answer whether a short all-in reopens betting for a player who already acted. That separate question belongs to our [player-by-player reopening guide](https://gtogecko.com/blog/short-all-in-reopen-betting). The single oversized chip above remains a call even though its value exceeds the minimum raise. Your last chips are not automatically an all-in declaration Return to the 400 opening bet, but make the single 1,000 chip your entire stack. Placing it silently still calls 400 under Rule 44. The 600 change remains yours; moving your last physical chip did not by itself declare a 1,000 all-in. Likewise, facing 600 with exactly two 500 chips, a silent push calls 600 under Rule 45-A. Both chips were needed to cover the call, so you receive 400 change. Now take the 500 + 25 example. With additional chips behind, it called 400. If those two chips are your entire stack, Rule 45-B makes the same motion an all-in to 525: removing the 25 still leaves enough to call, and there are no chips behind. This is a 125 increase, not a full 400 raise. The order of the checks matters. “Last chips” does not override the single-chip or all-chips-needed call cases. Only when one chip could be removed and the rest still covers the call does having no chips behind change this result. Two ways the single 1,000 chip can mean more Declare first. In the original 400-facing case with 5,000 available, say “Raise to 1,000” clearly before moving the 1,000 chip. The result is a raise to 1,000. Under Rule 44, “raise” must precede the chip reaching the table surface; saying it afterward is not a dependable way to repair the action. Face no bet. On a fresh postflop street with a 200 minimum and no wager to you, silently putting forward one 1,000 chip opens for 1,000. It cannot be a call of a wager that does not exist. Neither example tells you whether raising or betting is strategically desirable. It establishes what the specified action communicates. Stop if the action has missing facts A description such as “I added a 1,000 chip” is incomplete if blind or earlier bet chips remain in front of the player. TDA Rule 46 treats prior-chip handling separately. Record what was left out, pulled back or replaced; do not apply our no-prior-chip table to that situation. The [printable off-table reference sheet](https://gtogecko.com/data/one-chip-rule-poker/reference-sheet.html) pairs the ten examples with an answer key and a blank fact record. Before interpreting an unclear hand description, write down: - The opening bet or latest full raise, current amount faced and whether the actor can raise. - The exact words, their timing and whether the action was in turn. - The number and denominations of chips moved, prior street chips and chips remaining. Let the dealer or tournament director establish a disputed action before updating a hand history or using a reopening calculation. Unclear speech, multiple motions, prior chips, undercalls and house-specific procedures are outside these examples. A photo of the final pile alone may omit the fact that changes the ruling. Practice the action, then continue the fundamentals For a short off-table exercise, cover the answer column and explain which fact changes between each pair. Use two different chip denominations or paper tokens. Then repeat the intended action with a clear declaration before moving them. This is an editorial practice suggestion, not a tested learning intervention. For further off-table fundamentals study, [River](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420) offers short interactive poker lessons and questions. River and GTO Gecko are both published by GTO Solutions AS. The casebook is separate from River and does not adjudicate live actions. Sources and reproducible examples The [ten constructed cases](https://gtogecko.com/data/one-chip-rule-poker/cases.json) and [CSV case table](https://gtogecko.com/data/one-chip-rule-poker/cases.csv) record inputs, expected actions, final wagers and change or additional chips. A [standalone Python checker](https://gtogecko.com/data/one-chip-rule-poker/verify.py) applies the stated restricted rules and compares them with independently reviewed expected answers. It does not interpret video, speech or arbitrary hand histories. See the [method and instructions](https://gtogecko.com/data/one-chip-rule-poker/README.md) and [file checksums](https://gtogecko.com/data/one-chip-rule-poker/MANIFEST.sha256). - [Poker TDA 2024 v1.0](https://www.pokertda.com/view-poker-tda-rules/): Rules 40, 43–46 and 61; the governing profile for these cases. - [Poker TDA announcement](https://www.pokertda.com/): planned 2026 rules release; recheck before applying a later version. - [River’s official US App Store listing](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420): product description and publisher, checked September 6, 2026. Examples and illustrations are original. Sources accessed September 6, 2026. These are deterministic rule applications, not observed hands or a test of learning outcomes. ### PLO Paired Boards: Which Five Cards Count? https://gtogecko.com/blog/plo-paired-board-hands A paired board does not give every Omaha player the hand printed on the table. You must build your best five-card hand using exactly two hole cards and exactly three board cards. On a board with two pairs, you can finish with just one pair. Even four kings on the board do not give you four of a kind. This reference works through eight constructed four-card PLO hands on completed boards. Each example names the five cards that count. Read the four hole cards first, choose your best hand, then check the two selected hole cards and three selected board cards. The examples are separate constructed deals, except for the compatible showdown comparison at the end. They use ordinary Omaha high and a standard 52-card deck; they are hand-reading examples, not betting recommendations. Count the selected cards, not the pairs you can see The [PokerStars Omaha rules](https://www.pokerstars.com/poker/games/omaha/) specify the two-hole-card, three-board-card construction. [Christchurch Casino's poker rules](https://christchurchcasino.co.nz/wp-content/uploads/2018/07/Poker-How-to-Play-Web.pdf) independently describe the same requirement. You cannot play all five community cards or use one hole card with four board cards. Once you have a legal five-card selection, apply the [standard high-hand rankings](https://www.pokerstars.com/poker/games/rules/hand-rankings/). A full house needs three cards of one rank and two of another inside those five cards . Seeing those groups somewhere among your nine available cards is insufficient. In the examples, hole identifies the two selected private cards and board identifies the three selected community cards. Other cards remain available when searching for a better selection, but they do not contribute to the displayed hand. Two pairs on the board can leave you with one pair Board: K ♠ K ♥ 7 ♦ 7 ♣ 2 ♠ Example 1: One pair: kings Your four cards: A ♠ Q ♥ J ♦ T ♣ Select from your hand: A ♠ Q ♥ Select from the board: K ♠ K ♥ 7 ♦ Best five: K ♠ K ♥ A ♠ Q ♥ 7 ♦ You cannot keep both board pairs: K-K-7-7 would require four community cards. Your best legal selection keeps the kings and uses your ace and queen as kickers. The seven is the final kicker. Example 2: Two pair: aces and kings Your four cards: A ♠ A ♥ Q ♦ J ♣ Select from your hand: A ♠ A ♥ Select from the board: K ♠ K ♥ 7 ♦ Best five: A ♠ A ♥ K ♠ K ♥ 7 ♦ The pocket aces change the answer. Select both aces from your hand and K-K-7 from the board. The result is aces and kings with a seven kicker. Counting “three pairs” across the hole cards and board would miss the task: only the strongest legal five-card hand counts. Matching one board rank is different from matching both The same board: K ♠ K ♥ 7 ♦ 7 ♣ 2 ♠ Example 3: Three of a kind: kings Your four cards: K ♦ A ♠ Q ♥ J ♣ Select from your hand: K ♦ A ♠ Select from the board: K ♠ K ♥ 7 ♦ Best five: K ♠ K ♥ K ♦ A ♠ 7 ♦ The king in your hand combines with both board kings for trips. Keeping K-7-7 from the board instead would give you only two pair, kings and sevens, with an ace kicker. Trips rank higher, so that tempting two-pair selection loses to your own better hand. Example 4: Full house: kings full of sevens Your four cards: K ♦ 7 ♥ A ♠ Q ♣ Select from your hand: K ♦ 7 ♥ Select from the board: K ♠ K ♥ 7 ♦ Best five: K ♠ K ♥ K ♦ 7 ♦ 7 ♥ Now the selected hole cards supply both a king and a seven. K-K-7 from the board completes kings full of sevens. You can also construct sevens full of kings by taking K-7-7 from the board, but the kings-full version wins the comparison: a full house is ranked by its three-of-a-kind component first. A full house on the board is not automatically your full house Board: K ♠ K ♥ K ♦ 7 ♣ 7 ♦ Example 5: Three of a kind: kings Your four cards: A ♠ Q ♥ J ♦ T ♣ Select from your hand: A ♠ Q ♥ Select from the board: K ♠ K ♥ K ♦ Best five: K ♠ K ♥ K ♦ A ♠ Q ♥ Using K-K-K from the board and A-Q from your hand leaves trips with two kickers. The board's sevens cannot come along as a pair because all three board-card slots are already occupied. Example 6: Full house: kings full of aces Your four cards: A ♠ A ♥ Q ♦ J ♣ Select from your hand: A ♠ A ♥ Select from the board: K ♠ K ♥ K ♦ Best five: K ♠ K ♥ K ♦ A ♠ A ♥ With two aces in your hand, K-K-K plus A-A is legal. You have kings full of aces, not the kings full of sevens visible on the board. These examples use specific hole cards; “a pocket pair makes a full house” is not a universal maximum-hand rule. Holding the two remaining sevens on this board would let you make four sevens with a king kicker. Four of a kind on the board still uses only three board slots Board: K ♠ K ♥ K ♦ K ♣ 2 ♠ Example 7: Three of a kind: kings Your four cards: A ♠ Q ♥ J ♦ T ♣ Select from your hand: A ♠ Q ♥ Select from the board: K ♠ K ♥ K ♦ Best five: K ♠ K ♥ K ♦ A ♠ Q ♥ All four kings are community cards. You can select only three, so this hand has three kings with ace-queen kickers. The fourth board king is excluded; it is not an extra card that upgrades trips to quads. Example 8: Full house: kings full of aces Your four cards: A ♥ A ♦ Q ♣ J ♠ Select from your hand: A ♥ A ♦ Select from the board: K ♠ K ♥ K ♦ Best five: K ♠ K ♥ K ♦ A ♥ A ♦ The pocket aces again provide the pair for a full house. The final two examples have no overlapping hole cards, so they can also be compared as one legal showdown. Against example 7 on this board, example 8 wins: kings full of aces beats three kings. A dramatic board does not make the pot an automatic split. A short way to check your own selection Start by naming the two hole cards you want to use, then the three board cards that complete the hand. Keep that selection visible while naming its rank: it prevents a discarded card from quietly re-entering your explanation. Check the category and all relevant kickers. Try the other hole-card pairs before declaring the maximum: finding a legal hand is only the first step. Four hole cards offer six unordered pairs; a completed five-card board offers ten unordered triples. That gives 6 × 10 = 60 legal selections to compare. Several can tie for your best value, such as choosing which three of the four board kings to use in example 7. The displayed selection is one valid best hand, not necessarily the only one. For an off-table exercise, cover the answers above and write “hole: two cards; board: three cards; final hand: five cards.” Then uncover the selection. If your answer differs, check whether you used too many board cards, chose a weaker legal hand, or missed a kicker. Our [hand-rankings guide](https://gtogecko.com/blog/poker-hand-rankings-guide) covers the broader category and tie-break rules. Identifying your hand does not tell you an opponent's hand or what action to take. These examples do not model ranges, pot size, position, stack depth, rake, future cards or betting. A different question—whether a currently shared straight stays a split across future runouts—is covered in the [PLO freeroll examples](https://gtogecko.com/blog/plo-freeroll-same-straight). Check the examples and continue learning The downloadable [eight card configurations](https://gtogecko.com/data/plo-paired-board-hands/cases.json) and [results CSV](https://gtogecko.com/data/plo-paired-board-hands/results.csv) preserve every displayed card and hand. The [Python checker](https://gtogecko.com/data/plo-paired-board-hands/verify.py) evaluates all 60 legal selections per case, checks the displayed selection, and tests whether relabeling every suit consistently preserves the result. The [method and reproduction instructions](https://gtogecko.com/data/plo-paired-board-hands/README.md) explain the scope and commands. No random sampling is involved. For structured follow-up, [PLO Gecko](https://gtogecko.com/plo-edge) includes lessons and quizzes on PLO versus Hold'em, as described in its [current App Store listing](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388). It is made by GTO Solutions, the team behind this site. The examples here are original editorial exercises; they are not app screenshots or a claim that these exact eight drills appear in the app. The [PLO learning path](https://gtogecko.com/blog/how-to-learn-plo) places hand construction before starting-hand and strategy study. Rules and product sources checked September 6, 2026. Scope: four-card Omaha high with a completed board, not Omaha Hi/Lo, Short Deck, or an assessment of profitable play. ### PLO6 Suit Patterns: Count Your Possible Flush Suits https://gtogecko.com/blog/plo6-suit-patterns To describe the suits in a PLO6 hand, group its six cards by suit and write the group sizes. Then count groups containing at least two cards. Three spades plus three hearts form a 3-3 pattern: six same-suit card pairs, but only two suits that could make a flush. Two spades, two hearts and two diamonds form 2-2-2 : three pairs and three possible flush suits. That distinction describes the cards; it does not rank the hands. This reference gives a simple counting procedure, all nine six-card suit patterns, and exact deal frequencies you can reproduce. It also explains why the fifth and sixth cards make familiar four-card labels less informative. Write the suit counts first [PokerStars' six-card Omaha rules](https://www.pokerstars.com/poker/games/omaha/6-card/) require exactly two hole cards and exactly three board cards to make the final five-card hand. A flush therefore needs two hole cards of its suit. Having one card of a suit is insufficient, even if the board contains four or five of that suit. - Group the hole cards by suit. - Write the group sizes from largest to smallest, leaving out zeroes. Three spades, two hearts and one diamond become 3-2-1 . - Count groups of size two or more. Here there are two: spades and hearts. We call these flush-capable suits : suits for which your hole cards meet the two-card requirement. The board must still supply three cards of that suit, and the resulting flush need not win. This is not a count of draws on the current board. Six paired combinations can belong to only two suits Two constructed six-card hands A♠ K♠ Q♠ A♥ K♥ Q♥ has shape 3-3. Within spades you can select A♠K♠, A♠Q♠ or K♠Q♠; hearts supply the same three rank pairs. That is six same-suit pairs spread across two suits. A♠ K♠ A♥ K♥ A♦ K♦ has shape 2-2-2. Its same-suit pairs are A♠K♠, A♥K♥ and A♦K♦: three pairs spread across three suits. These are separate examples, not opponents in one deal: they share cards. Their pair counts establish no equity or strength ordering. Count pairs within each suit, then count the qualifying suits. Several pairs in the same suit still need the board to supply that one suit. A group containing k cards has k(k − 1) / 2 possible two-card selections. Add that number across suits to count same-suit pairs. To count flush-capable suits, add one for each group containing at least two cards instead. On a single five-card board, at most one suit can appear three times, so these are alternative possible flush suits across different boards. The extreme example makes the difference clear. Six spades contain 15 two-card selections, all spades. They give you one possible flush suit. Those 15 selections are not 15 separate chances to make a flush. Why “double-suited” needs a card count With four hole cards, two suits containing at least two cards force a 2-2 pattern. With five cards, both 2-2-1 and 3-2 satisfy that same condition. They contain two and four same-suit pairs respectively. The [five-card Omaha hand-construction rule](https://www.pokerstars.com/poker/games/omaha/5-card/) still uses exactly two hole cards. With six cards, four different patterns have exactly two flush-capable suits: 2-2-1-1, 3-2-1, 3-3 and 4-2 . Only 2-2-2 has three. Write the actual shape when comparing hands, and check what a tool means by its suitedness labels before treating a filter as an exact definition. Even published deal percentages can use an inclusive label. [Cardquant's six-card guide](https://cardquant.com/6-card-plo-strategy-the-fundamentals/) lists 79.5% as double-suited and separately gives 9.3% as triple-suited. Our exact census finds 79.51% with at least two flush-capable suits, including 9.32% with three ; exactly two account for 70.19% . The published rounded figures are consistent with that inclusive interpretation. That is a reconciliation of counts, not evidence that every tool uses the same convention. Our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) discusses hand selection. The reference here answers the narrower question of what suit structure you actually hold. Neither “two suits” nor “three suits” specifies the ranks, the action to take, or the strength of a flush on a particular board. Every PLO6 suit pattern, with exact deal counts These figures count one uniformly random, unordered six-card hand from a complete standard 52-card deck. All ranks are included. The denominator is 20,358,520 distinct hands. This is a combinatorial census, not measured player data or an opening range. On narrow screens, scroll horizontally for the exact counts and percentages. All six-card suit patterns, including all ranks; zero-count suits omitted Shape Same-suit pairs Flush-capable suits Hands Deal share 2-2-1-1 2 2 6,169,176 30.30% 2-2-2 3 3 1,898,208 9.32% 3-1-1-1 3 1 2,513,368 12.35% 3-2-1 4 2 6,960,096 34.19% 3-3 6 2 490,776 2.41% 4-1-1 6 1 1,450,020 7.12% 4-2 7 2 669,240 3.29% 5-1 10 1 200,772 0.99% 6 15 1 6,864 0.03% Thus 2-2-2 occurs in about 9.32% of unconditioned six-card hands. That percentage is about being dealt the shape, not making a flush or winning a pot. Once you specify ranks, known cards or a range selected by betting action, this unconditional table no longer supplies the corresponding probabilities. Reproduce the 2-2-2 row Choose which three of the four suits appear: four choices. In each chosen suit, select two of its thirteen cards: C(13, 2) = 78 choices. Therefore the count is 4 × 78 × 78 × 78 = 1,898,208 . Divide by C(52, 6) = 20,358,520 to get 9.323899…%. For 3-3, choose two suits in six ways, then three cards from each: 6 × C(13, 3) 2 = 6 × 286 2 = 490,776 . Each unordered hand belongs to exactly one row. The downloadable census also includes all five four-card patterns and all six five-card patterns. A shape still leaves out the important cards Compare these separate six-card examples, which have the same ranks and the same 2-2-1-1 shape: - A♠ K♠ Q♥ J♥ T♦ 9♣: the ace belongs to a paired suit; the available spade pair is A♠K♠. - A♠ K♥ Q♥ J♦ T♦ 9♣: the ace is the only spade. The available suited pairs are K♥Q♥ and J♦T♦. This hand cannot make a spade flush under Omaha's two-hole-card rule. Both have two same-suit pairs and two flush-capable suits. A shape-only note loses which suits they are and where the ace sits. Preserve all ranks and suits in a study input; use the shape as a summary alongside them. The [PLO best-five examples](https://gtogecko.com/blog/plo-paired-board-hands) cover how to select the final cards on completed boards. A usable study note For the first hand, write: “PLO6; A♠ K♠ Q♥ J♥ T♦ 9♣; shape 2-2-1-1; suited pairs A♠K♠ and Q♥J♥.” That preserves enough information to reconstruct the suit structure. A note saying only “double-suited” does not. When recording a percentage beside a suitedness label, also copy its inclusion rule: exactly two eligible suits, or at least two. Keep a raw-deal percentage separate from any number reported for a selected range. This prevents the 70.19% and 79.51% counts above from being treated as competing answers to the same question. For a separate equity question, enter the full PLO5/PLO6 hand in [OmahaCalc](https://apps.apple.com/us/app/omahacalc-plo5-6-poker-equity/id6759628690), keeping its ranks and suits exact. GTO Solutions AS makes both OmahaCalc and this site. Product information was checked September 6, 2026. This census was built independently; it is not an app benchmark, an app feature demonstration, or an equity comparison of the examples. Our [PLO5/PLO6 calculator-accuracy study](https://gtogecko.com/blog/plo-monte-carlo-equity-accuracy) addresses estimation error when you move on to equity calculations. Method and downloads The generator enumerates all labeled counts for spades, hearts, diamonds and clubs that sum to four, five or six cards. A count vector receives weight C(13, spades) × C(13, hearts) × C(13, diamonds) × C(13, clubs). It then groups vectors with the same sorted shape. Integer counts are exact. The article table rounds percentages to two decimal places; the downloadable table uses six. An independent checker instead enumerates ordered suit sequences, counting the remaining available cards for each next suit, then removes dealing order. It verifies all twenty shape rows, totals and the seven constructed examples. No random samples, seed, solver ranges or private hands are involved. Download the [complete suit-pattern table](https://gtogecko.com/data/plo6-suit-patterns/suit-patterns.csv), [seven full-card examples](https://gtogecko.com/data/plo6-suit-patterns/examples.json), [exact results and pair witnesses](https://gtogecko.com/data/plo6-suit-patterns/results.json), [generator](https://gtogecko.com/data/plo6-suit-patterns/generate.py), [independent checker](https://gtogecko.com/data/plo6-suit-patterns/verify.py), [reproduction instructions](https://gtogecko.com/data/plo6-suit-patterns/README.md) and [checksums](https://gtogecko.com/data/plo6-suit-patterns/SHA256SUMS). The census describes standard-deck hole-card composition before conditioning on other information. It does not estimate board probabilities, opponent holdings, equity, winning-flush probability, strategy EV or a range to play. Suited pairs are combinations of cards, not independent outcomes. - PokerStars, [Six-card Omaha rules](https://www.pokerstars.com/poker/games/omaha/6-card/): exactly two hole cards and three board cards; accessed September 6, 2026. - PokerStars, [Five-card Omaha rules](https://www.pokerstars.com/poker/games/omaha/5-card/): the same final-hand construction; accessed September 6, 2026. - Phil Rocquemore, [Six-card PLO fundamentals, Cardquant](https://cardquant.com/6-card-plo-strategy-the-fundamentals/): published suitedness percentages, reconciled with our explicit counts; accessed September 6, 2026. - GTO Solutions AS, [OmahaCalc, US App Store](https://apps.apple.com/us/app/omahacalc-plo5-6-poker-equity/id6759628690): PLO5/PLO6 equity study; accessed September 6, 2026. ### Poker Flashcards: Fix the Question Before You Drill https://gtogecko.com/blog/poker-flashcards A useful poker flashcard puts the question and necessary context on the front, then the answer, reason and source on the back. Before adding another card, check two different problems: does the front give away what you meant to retrieve, or does it leave out information needed to answer? “Why do I need 25% equity here?” can be a reasonable question about an explanation. It is a poor test of whether you can calculate 25%. “Should I bet ace-king?” has the opposite problem: hiding the answer does not make an underspecified strategy question useful. This guide repairs those questions. Use the [poker flashcard workshop and blank template](https://gtogecko.com/data/poker-flashcards/workshop.html) for three constructed examples, answer notes and changed-condition checks. These are our editorial design examples, not a validated assessment or a tested claim about learning gains. For when and how often to study, use the separate [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker). Keep the context; remove accidental answers The [official Anki manual](https://docs.ankiweb.net/editing.html#effective-learning) recommends simple cards and understanding the material before memorizing it. It also warns that predictable groupings can provide unintended clues. That is useful authoring guidance, not evidence that one poker card format beats another. Start by writing the target on the back: calculate a price, identify an action, construct a hand or recall a particular reference output. Then check the front against that target. If it is a number, do not print that number in the title. If it is an action label, retain the action history that determines it. If it is a solver response, retain the modeled situation and identify the reference solution. A card that asks only for a definition does not need every input a solver would need. A screenshot needs the same check. Crop or cover the highlighted action and frequency if those are the answers. Keep the board, exact hand, relevant amounts and action path readable. A file named “always-check-this-flop” also supplies a clue if that filename is visible during review. Repair 1: ask for the calculation, then grade the denominator Before: “Why do I need 25% equity against a half-pot bet?” Repaired front Heads-up no-limit Hold'em, river. The pot is 60 chips before your opponent moves all-in for 30. You can call the full 30. Ignore rake. What pot-share equity makes calling break even against folding? Show the denominator. Back and grading note 25%. Calling makes the final pot 60 + 30 + 30 = 120 chips. The threshold is 30 / 120. An acceptable answer includes your call in that denominator. This is a question about the price of calling. It does not provide your hand's equity against the opponent's range, so answering it does not tell you to call. The full [pot-odds explanation](https://gtogecko.com/blog/pot-odds-poker-math) belongs in your reference material rather than on the front of every card. For a changed-condition check, keep the starting pot at 60 and make the opponent's all-in 60, with enough chips for you to call 60. The answer becomes 60 / 180, or one third, approximately 33.33%. That asks you to use the denominator again rather than recite the first answer. Repair 2: preserve the action that determines the label Before: “The button bets the flop. Is that a continuation bet?” Repaired front No-limit Hold'em. The button raises preflop, the small blind folds and the big blind calls. Heads-up on the flop, the big blind checks and the button bets. What is the standard name for the button's bet, and which earlier action determines the label? Back and grading note A continuation bet. The button was the final preflop raiser and then bet the flop. Name both the label and the relevant earlier action. This follows [PokerStars' continuation-bet definition](https://www.pokerstars.com/poker/learn/lesson/c-betting/). No hole cards or board are needed to classify this sequence. Those details matter if you instead ask whether the bet is a good strategy. Change the opening flop action: after the same preflop history, the big blind bets first on the flop. That is a donk bet under [PokerStars' action-order definition](https://www.pokerstars.com/poker/learn/strategies/donk-betting-what-it-is-and-when-to-do-it/). The label changes because the prior caller leads into the prior aggressor. Neither label grades the quality of the bet. Repair 3: put the game on the front Before: “I hold the ace of spades and the board has four spades. Do I have a flush?” Repaired front Standard Texas Hold'em. Your hole cards are A♠ Q♦. The river board is K♠ 9♠ 5♠ 2♠ 7♥. Name your best five-card hand. Back and grading note An ace-high flush: A♠ K♠ 9♠ 5♠ 2♠. State the hand and its five cards. Hold'em allows one hole card with four board cards. Now change the game to four-card Omaha high and your hole cards to A♠ Q♦ J♥ T♣. Keep the same board. You cannot make a flush: Omaha requires exactly two hole cards and three board cards, and your hand contains only one spade. Compare the official [Hold'em](https://www.pokerstars.com/poker/games/texas-holdem/) and [Omaha hand-construction rules](https://www.pokerstars.com/poker/games/omaha/). “Texas Hold'em” is not an unwanted hint here. It is a rule needed to answer the question. Removing it would create ambiguity rather than a better memory test. Split a bundle of questions into gradeable parts Before: “Explain the pot odds, blockers and best action in this hand.” You might remember the price, miss a blocker and guess the action. A single “correct” mark would conceal that mixture. Repair it by making the price one card, a specific blocker relationship another, and the reference strategy a third. Keep the relevant context on each front; keep the reasoning for each answer on its own back. Write the grading note before reviewing: which fact, calculation or relationship must your response contain? Record a miss when that element is absent, even if the revealed answer feels familiar. A short explanation can still belong with an answer. “Name the bet and identify the prior aggressor” is one connected target. The point is to make a missed answer interpretable, not to force every card into a one-word response. Suspend a solver card whose answer you cannot defend Before: “A-K on K-7-2: bet or check?” Do not repair that front by inventing a confident back. If the intended answer comes from a solution, record its format, positions, exact cards, street, prior actions, pot and stacks at a named point. Preserve the reference's ranges, rake or ante assumptions and available bet sizes as well. Keep a solution identifier and date so the answer can be checked later. Then ask a bounded question such as “What actions and frequencies does this identified solution display for this exact hand?” The back should record that output and its source. Keep your own explanation separate from facts actually shown by the solution. If the context or reference is missing, set the card aside until you can restore it. Our [solver study guide](https://gtogecko.com/blog/how-to-use-poker-solver) covers interpreting the resulting output. A reusable front and back - Front: one retrieval target; the rules and situation needed to answer; a neutral reference identifier if applicable. - Back: answer; reason or calculation; what a satisfactory response must contain; a condition that limits or changes the answer; source and date checked. The [printable workshop](https://gtogecko.com/data/poker-flashcards/workshop.html) keeps answers behind expandable sections and includes a blank template. The examples here show their answers because this page teaches card construction. Use your own notes or a flashcard system for repeated review; the workshop is a manual reference, not an app import package. Use a changed-condition question to check the card's boundary. Keep its answer hidden until you have responded; avoid a visible heading that names the expected hand or action. Answering a familiar card and answering a related new question are different observations. [Butler's 2010 experiments](https://pubmed.ncbi.nlm.nih.gov/20804289/) studied repeated testing and transfer using prose passages and later questions. His study included new inferential questions as well as repeated ones. Our changed-condition checks have not been tested in poker learners, and a correct response does not establish broad mastery or predict table performance. Use guided material as the starting reference For guided study, [River offers short interactive poker lessons and questions](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420). River and GTO Gecko are made by GTO Solutions. After studying a point, write a question about it in your own notes, check the answer against the material and use the front/back test above. The downloadable cards are an independent manual resource; this article does not describe a River flashcard feature. Sources checked September 6, 2026. The workshop's questions, annotations and template are original constructed teaching material. Its calculation and hand-construction examples have independent arithmetic and card-selection checks; no learner study, mastery cutoff or improvement estimate was produced. Download the [card text and source references](https://gtogecko.com/data/poker-flashcards/cards.json) and [method and reproduction notes](https://gtogecko.com/data/poker-flashcards/README.md). ### Poker Hand Notes: What to Record When Details Are Missing https://gtogecko.com/blog/poker-hand-notes Record the hand you can support, including its gaps. Write the game, positions, stacks, exact cards and actions in order; attach the source and precision of each uncertain detail. If a missing fact changes the question you want to study, keep the alternatives separate or narrow the question. A note saying “I had ace-queen, bet small, then faced a raise” can be enough to remind you which hand to revisit. It cannot identify one exact solver decision. The [plain-text hand-note template](https://gtogecko.com/data/poker-hand-notes/note-template.txt) and [printable worksheet](https://gtogecko.com/data/poker-hand-notes/worksheet.html) below help turn that reminder into a reviewable record. Capture the state before writing the verdict Keep the original note or permitted hand-history export. Make a separate review copy instead of polishing uncertainty out of the original. For a remembered hand, say that memory is the source. Write “about 200 before the hand” if that is what you recall, rather than silently upgrading it to an exact stack. Record enough to reach your chosen decision. Later streets can stay in a separate result section; an incomplete hand does not need an invented ending. Start the review copy with these fields: - Game and units: variant, cash or tournament, number dealt in, blinds, antes and straddles. State whether amounts are chips, currency or big blinds. - Players and stacks: use positions instead of names; distinguish starting stacks before forced bets from chips remaining at the decision. In a multiway pot, keep each relevant stack. - Cards: record both ranks and suits, with the flop, turn and river on separate lines. Mark the point you want to review. - Actions: list the actor and action in sequence. For a raise, write the total committed on that street as “raise to,” plus the extra chips added if useful. - Pot and conditions: label whether the pot includes the bet you face, and whether deductions are known. For a tournament decision, retain relevant payout or bounty context when available. - Question and gaps: state the decision you want to understand, the missing facts and where you might verify them. This field order reflects the distinction in the [Poker Hand History specification](https://phh.readthedocs.io/en/stable/required.html) between initial state and ordered actions. Our template is ordinary prose, not a PHH file or an import format. Give each detail a status Use four plain labels. Reported means the detail appears in a named source, which could be your own recollection; it does not certify that the detail is correct. Derived means calculated from listed inputs. Hypothetical means chosen for a separate study branch. Unknown means you have no supported value. For example: “BB started with about 260 — reported from memory”; “flop pot 13 — derived from the listed contributions, assuming no deductions”; “100bb — hypothetical setting for a separate drill”; “turn suit — unknown.” Keep the status and source alongside the value, not in a footnote that will disappear when copied. A calculation inherits uncertainty in its inputs. It cannot turn an estimated starting stack into exact chips behind. A read belongs on its own line: “I thought BB could bluff” is an interpretation. “BB checked, then raised” is an action report. Keep both if useful, with their different roles visible. Why a balanced pot does not fix an ambiguous note Consider a constructed six-handed no-limit Hold’em cash hand , with amounts in chips. Blinds are 1/2; there are no antes, straddles, rake or other deductions in this teaching example. Before posting, BTN has 200, SB has 300 and BB has 260. The other players fold without contributing. BTN raises to 6, SB folds and BB calls. The flop pot is 13 = 6 + 1 + 6 . BTN has 194 behind and BB 254. On K♠ 7♦ 2♣, BB checks, BTN bets 4, and the note says only: “BB raises 16.” BTN has not responded. That shorthand leaves two possible reconstructions. They are hypotheses about the note, not rulings about an ambiguous live declaration. On a narrow screen, scroll the table to read both interpretations. Constructed flop states before BTN responds; all amounts in chips Quantity Raise to 16 Raise by 16, to 20 BB’s total flop contribution 16 20 Pot including BB’s raise 13 + 4 + 16 = 33 13 + 4 + 20 = 37 BTN’s additional call amount 16 − 4 = 12 20 − 4 = 16 BTN / BB chips behind 190 / 238 190 / 234 Both branches are affordable full raises, and both reconcile the chips. The folded SB still has 299. In the first branch, 33 + 190 + 238 + 299 = 760 ; in the second, 37 + 190 + 234 + 299 = 760 . Each equals the three contributing players’ starting total. Passing an arithmetic check does not tell you which branch happened. A reliable additional record—such as the exact total BB put in—could resolve it. Until then, label both branches or leave the call amount unknown. Do not pick the prettier pot merely because it matches a study preset. If the note had instead recorded “BB raises to 16,” the remaining call is 12. That wording removes the to/by ambiguity in the written record; its accuracy still depends on the source. The [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math) covers what to do with a supported call price; this exercise only reconstructs the price. One missing suit can change the question In a separate synthetic hand, Hero has A♠ Q♦ and the flop is K♠ 9♠ 4♦. The turn note says “a two,” with its suit unknown. We can still examine what that gap permits: - If the turn was 2♠: Hero has four spades across the hole cards and board. A spade river completes an ace-high flush. - If the turn was 2♥: Hero has only three spades available. One river card cannot complete Hero’s flush. Hold’em uses the highest-ranking five-card hand from the player’s two cards and the five community cards, as [PokerStars’ Hold’em rules](https://www.pokerstars.com/poker/games/texas-holdem/) explain. Counting the available suits establishes this difference without assuming an opponent’s range. The two alternatives demonstrate the ambiguity; they do not assign equal probabilities to the turn suits. Nor does a possible flush prove that calling or betting is best. With the turn suit unresolved, ask a conditional question—“What changes if the turn is a spade?”—instead of claiming to have recovered the original hand. Choose what the incomplete record can support Verify when a permitted original history or another reliable record can settle a missing detail. Preserve both the old entry and the correction, with its source. Branch when a small set of explicit alternatives is useful to study. Keep separate headings for “if the raise was to 16” and “if it was to 20.” A conclusion shared by those branches applies to those branches; it does not cover every other possibility. If you cannot justify a short list, keep a range or an unknown instead of selecting two convenient values. Narrow or pause when the gap prevents the intended review. Missing starting stacks may still allow discussion of action order. If the chips remaining at your decision are independently known, however, you can record that current state without inventing a starting stack. Identify which quantity your comparison actually requires. Missing deductions prevent a precise net-pot calculation. An unknown opponent holding is different: do not invent it; any range used in analysis is a model assumption. Keep the resulting record separate from grading the decision. Our [result-blind review guide](https://gtogecko.com/blog/results-oriented-poker) handles that later step. The [Dwan–Schwimer analysis](https://gtogecko.com/blog/dwan-schwimer-hand-analysis) shows how source disagreements and model differences remain visible in a specific published hand study. Take a supported question into study For off-table follow-up, [GTO Gecko](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) offers study of available solved scenarios across formats, stack depths and positions. Compare the setup with your note before treating it as a match. If you choose a different stack or betting branch, write that change into the study copy. GTO Solutions AS publishes this site and GTO Gecko. Product information was checked September 6, 2026. The downloads are standalone manual aids, not an app integration; they do not reconstruct a missing hand or provide a solver verdict. Download the [blank text template](https://gtogecko.com/data/poker-hand-notes/note-template.txt) or the [printable sheet with worked examples](https://gtogecko.com/data/poker-hand-notes/worksheet.html). Before sharing a real record, consider which identifying details the recipient needs; our [hand-history privacy guide](https://gtogecko.com/blog/poker-hand-history-privacy-phh) explains why removing names alone may be insufficient. Method and checks These are two invented teaching examples, not player data or measured memory research. The [case data](https://gtogecko.com/data/poker-hand-notes/examples.json), [standalone Python checker](https://gtogecko.com/data/poker-hand-notes/verify.py) and [reproduction notes](https://gtogecko.com/data/poker-hand-notes/README.md) preserve the inputs and checks. The checker verifies both chip ledgers and enumerates the 46 river cards consistent with Hero’s cards and the board for each specified turn. Other hidden cards are unspecified; the enumeration checks completion possibilities, not their probabilities. It does not estimate equity, validate arbitrary hand histories or choose an action. The template makes missing information inspectable. No study here establishes that it improves memory, decision quality or poker results. ### Poker Re-Entry ROI: Why a Cash Can Still Be a Loss https://gtogecko.com/blog/poker-re-entry-roi A tournament cash can still leave you with an event loss. To find the net result, subtract every entry cost, including fees, from the event's total prize receipts. Divide that net by the total entry cost to calculate ROI. A $250 cash after three $110 entries leaves a net result of −$80, not +$140. Start with the charges, not just the finishing position. A results page may show one finish while your payment history contains several paid entries, commonly called bullets. This guide uses six invented entry receipts and three completed events to show how to reconcile the two. Download the [entry ledger](https://gtogecko.com/data/poker-re-entry-roi/entries.csv) and [event ledger](https://gtogecko.com/data/poker-re-entry-roi/events.csv) to follow the arithmetic. Define an entry before calculating ROI Under [PokerStars' re-entry rules](https://www.pokerstars.com/help/articles/tourn-reentry-registration/), a player can enter again after elimination, within the event's registration window and limits. Check the event's own rules. One tournament entered three times is one event and three paid entries in the ledger below. Our examples cover self-funded cash entries into completed, non-bounty tournaments, all in US dollars. Each event has one settled cash prize for the player, which may be zero. They exclude tickets, staking, swaps, refunds, rebuys, add-ons, bounties, travel, taxes, currency conversion and phased formats that can pay a player more than once. Those require additional records and explicit accounting conventions; they are not zero-cost items to silently omit. Record the prize-pool contribution and operator fee separately when the receipt provides that split. A receipt for $100 plus a $10 fee costs $110. If a lobby already lists an inclusive $110 total, do not add the $10 again. The amount paid is the control total. Use one table for charges and another for prizes Give each event a stable identifier. Under it, give every entry a unique receipt or entry identifier. Put each entry's charge in the entry table; put the event's settled prize in the event table once. Event A: the cash that did not cover the entries Entry A1: $100 + $10. Entry A2: $100 + $10. Entry A3: $100 + $10. Each is a separate payment for the same event. The first two entries ended without a prize; the third ended with a $250 cash. Event cost: $110 + $110 + $110 = $330. Net result: $250 − $330 = −$80. Event ROI: −$80 / $330 × 100 = approximately −24.24%. If you join the $250 event prize onto all three entry rows and then sum that column, you get $750 of supposed receipts from a single $250 payout. Aggregate the charges by event first, then attach the one event prize. If your system instead records prizes by entry, assign this prize only to the surviving entry and check that the event total still equals $250. Event A has three charges and one prize. Its cashing status and its negative net result are both correct. Reconcile the complete set before reading the percentage The synthetic ledger has three events and six entries. Every entry includes a fee; every prize is counted once. The table uses dollars, and ROI is rounded only for display. On a narrow screen, scroll the table horizontally to see the ROI column. Three completed events; all amounts USD Event Entries Paid Prize Net ROI A 3 × $110 $330 $250 −$80 −24.24% B 1 × $55 $55 $0 −$55 −100.00% C 2 × $220 $440 $800 +$360 +81.82% Total 6 entries $825 $1,050 +$225 +27.27% Total realized entry-cost ROI = (sum of settled prizes − sum of all entry costs) / sum of all entry costs × 100. Here that is ($1,050 − $825) / $825 × 100 = approximately 27.27%. It describes this constructed completed set. It does not estimate the reader's long-run return or justify another entry. Use four checks before accepting the result: - Match the entry list against your original payment and registration records. Internal agreement cannot prove that no receipt was omitted. - Each event identifier and each entry identifier appears once in its own table. Every entry belongs to a listed event. - The sum of the six receipt totals equals the sum of the three event costs: $825. - Match prizes to payout confirmations. Here they sum to $1,050, and $825 + $225 = $1,050. No event prize is multiplied by its entry count. Keep losing entries and zero-prize events in the same declared set as the cashes. For an ongoing event, record the payments but leave its result unsettled. Do not replace a pending prize with zero or include an unfinished event in this completed-event ROI. When total entry cost is unknown, leave ROI unresolved A displayed finish does not prove how much a particular player paid. [SharkScope's current FAQ](https://www.sharkscope.com/FAQ.html) explains that on some networks it estimates individual rebuy or re-entry expenses when actual counts are unavailable. That is a documented data limitation, not evidence that every result is wrong. Check which costs your source knows, estimates or omits. Suppose you know Event A paid $250 and each entry cost $110, but you have verified only that there were between one and three entries. One entry would mean +$140; two would mean +$30; three would mean −$80. The sign is unresolved until the count is known. Store that uncertainty and look for the missing receipts. Do not turn a blank into one entry or a zero-dollar fee. A verified total event charge can establish cost even if the entry count is missing. Likewise, if the fee is included in a verified total charge, its missing breakdown does not stop you calculating the total cost. Missing cost and missing detail about an already-known cost are different problems. The supplied dataset has complete splits for inspection, not because every personal ledger needs that exact schema. Label what the denominator counts Two of the three synthetic events have a cash, but only two of the six individual entries finish with a prize. “66.67% of events cashed” and “33.33% of entries cashed” describe different denominators. Name the denominator when exporting or comparing a result. Another database may group entries differently. Also distinguish total ROI from an unweighted mean of event ROIs. [SharkScope distinguishes its average and total ROI statistics](https://www.sharkscope.com/FAQ.html). For our event units, the unweighted mean is approximately −14.14%, while total ROI is +27.27%. The unweighted mean gives the $55 event the same weight as the $440 event. Total ROI answers how the combined dollars paid performed. Check the label before comparing your ledger with a tracker. Keep the results ledger separate from decision study This calculation tells you what the completed entries cost and returned. It does not tell you whether a re-entry or a particular hand was a good decision. Our [bankroll guide](https://gtogecko.com/blog/bankroll-management-for-pros) addresses reserve planning; [the ICM explainer](https://gtogecko.com/blog/icm-poker-strategy) covers how tournament stacks and payouts enter a decision model. For separate off-table decision study, [ICM Trainer](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367) offers available precomputed tournament scenarios with stack and payout context. It is made by GTO Solutions, the team behind GTO Gecko. The downloadable ledger is an independent article resource, not an ICM Trainer tracking feature. Sources checked September 6, 2026. All events and receipts are invented, with no player records or performance estimates. Download the [exact results](https://gtogecko.com/data/poker-re-entry-roi/results.json), [method and reproduction instructions](https://gtogecko.com/data/poker-re-entry-roi/README.md) and [independent checker](https://gtogecko.com/data/poker-re-entry-roi/verify.py). The checker tests the published fixtures and intentionally rejects other datasets. It cannot find real receipts you have not supplied. ### Why Your Poker Trainer Accuracy Dropped https://gtogecko.com/blog/poker-trainer-accuracy Your poker trainer accuracy can fall even when your recorded accuracy rises in every drill category. If the later session contains more of the categories where you score lower, the overall percentage can move down. Before treating that as regression, compare the category counts and calculate both periods using one fixed mix. In the invented record below, overall accuracy falls from 80% to 59% , a decline of 21 percentage points. Giving the two fixed sets equal weight instead produces 65% to 72.5% , a rise of 7.5 points. Keep both results: one describes the attempts completed; the other compares recorded set rates on a common mix. Neither proves that skill improved. Start with the counts behind the percentage Imagine two fixed drill sets in a manual study record. Set A contains familiar situations; Set B contains situations still being developed. Keep those memberships unchanged between periods. These are illustrative labels, not an app’s difficulty classifications. For this example, an “accepted” decision passes one unchanged binary grading rule. We are not defining the scoring formula of GTO Gecko or another trainer. In mixed-strategy spots, selecting a lower-frequency action is not automatically an error; preserve the actual reference and grading rule used for your record. All counts are invented. Each attempt belongs to one set. On narrow screens, scroll to compare both periods. Both set rates rise, while the pooled rate falls Fixed set Earlier accepted / attempts Earlier rate Later accepted / attempts Later rate A: familiar 72 / 80 90% 19 / 20 95% B: developing 8 / 20 40% 40 / 80 50% All attempts 80 / 100 80% 59 / 100 59% Earlier, Set A supplied 80% of attempts. Later, it supplied only 20%. The later period put most of its attempts into Set B, which still had the lower recorded rate even after rising from 40% to 50%. The pooled 59% is correct: 59 of the later 100 decisions were accepted. It answers “What fraction of these attempts passed?” It does not isolate a change within a fixed task mixture. The danger of combining groups is the subject of [Simpson’s original paper on contingency tables](https://math.bme.hu/~marib/bsmeur/simpson.pdf); the poker counts here are our own constructed example. Compare both periods on one fixed mix Choose a reference mixture and apply it to both periods. This is the weighted-rate arithmetic used in [direct standardization](https://wonder.cdc.gov/wonder/help/ucd.html#Age-Adjusted%20Rates); the linked method supplies a statistical reference, not evidence that this poker worksheet measures learning. Giving the two sets equal importance means a 50% weight for each: Earlier: 0.50 × 90% + 0.50 × 40% = 65% Later: 0.50 × 95% + 0.50 × 50% = 72.5% Change: +7.5 percentage points This is a fixed-mix percentage. It is not the percentage actually achieved over either period’s 100 attempts, and it is not an app rating. The same reference weights make the two summaries answer the same composition question. Changing the weights changes the comparison. No extra decisions or player data were added. There is no universal correct reference mix. Equal weights give both sets equal importance. Keeping the earlier period’s 80/20 mix asks a different question. For future comparisons, record the weights and their purpose before collecting the later results. When exploring an existing record, label the weight choice retrospective and show how another reasonable mix changes the answer. Each row applies its stated weights to both periods. “Points” means percentage points. The size of the increase depends on the declared benchmark Reference A / B Earlier Later Change 50% / 50% 65% 72.5% +7.5 points 80% / 20%: earlier mix 80% 86% +6 points 20% / 80%: later mix 50% 59% +9 points Here both set rates rise, so every common nonnegative mix has a higher later value. If one set rises and another falls, even the direction can depend on the weights. Do not search through mixtures until one produces a flattering result. Use a benchmark record alongside your practice plan Download the [printable comparison worksheet](https://gtogecko.com/data/poker-trainer-accuracy/worksheet.html). It includes the completed equal-weight example and a blank record. It is a manual sheet, not an automatic calculator. - Define the sets. Record the game, positions, stack depth, action context, reference solution and scoring rule. Keep set membership stable. - Record accepted and attempted counts. Use the same treatment of hints, retries and revealed answers in both periods. Keep the method of selecting situations within each set comparable. - Declare nonnegative weights that sum to 100%. Choose them for a stated study question, then keep them fixed across the comparison. - Calculate each set’s rate, then its weighted contribution. Multiply by the weight as a fraction: 50% weight × 90% rate contributes 45 percentage points. Add the contributions separately for the earlier and later periods. Retain the raw pooled rates too. - Write a bounded conclusion. For the example: “The equal-set benchmark rose 7.5 points; the attempted mix shifted toward Set B. This record does not establish lasting learning.” Reference weights do not dictate how to allocate practice time. You can spend more time on a difficult set while retaining a stable comparison framework. Use our [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker) to organize the sessions; use this record to describe their composition. When the comparison is unavailable or misleading No attempts is not 0% accuracy. If a set has positive reference weight but zero attempts in at least one period, that period’s set rate is undefined, so the two-period benchmark comparison is unavailable. For example, if Set A has 20 earlier attempts and no later attempts, the earlier benchmark may still be calculable; the later one is not. Do not replace it with zero, reuse the old rate, or silently spread its weight across the other sets. Collect comparable attempts, or explicitly define a narrower benchmark and report the excluded set. If you only have the two overall percentages, you cannot reconstruct the missing set counts. Start a prospective record rather than inventing an adjusted historical score. Fixed weights also cannot correct a changed problem mix inside a set. If “river decisions” becomes mostly easy checks in the later period, keeping that row at 50% does not make the comparison equivalent. A changed solution, grading rule or use of hints can break comparability too. Finally, these are recorded rates, not precise estimates of ability. The 100 attempts per period make the arithmetic easy; they are not a recommended sample size. Repeated decisions and chance variation remain relevant. Our [guide to poker-stat denominators and uncertainty](https://gtogecko.com/blog/poker-stat-sample-size) explains why counts matter, but its opponent-stat intervals should not be automatically transplanted to correlated trainer attempts. Keep feedback and measurement separate Accuracy does not measure the modeled cost of an error. After checking whether the samples are comparable, use [EV-loss review](https://gtogecko.com/blog/poker-leak-finder-ev-loss) to investigate costly patterns rather than treating every rejected decision as equally important. For off-table practice, [GTO Gecko](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) offers simulated study scenarios with solver feedback. Review the available decisions and their frequencies, then keep any fixed-mix comparison in your own study record. Disclosure: GTO Solutions AS publishes this site and GTO Gecko. Product evidence was checked on September 6, 2026. The binary grading example and worksheet are independent editorial tools, not app output or a description of an in-app benchmark feature. Method and downloads The [four count rows](https://gtogecko.com/data/poker-trainer-accuracy/counts.csv), [exact results](https://gtogecko.com/data/poker-trainer-accuracy/results.json) and [101-weight check](https://gtogecko.com/data/poker-trainer-accuracy/weight-sensitivity.csv) are public. With Set A weight w , the earlier fixed rate is 0.40 + 0.50w and the later rate is 0.50 + 0.45w . Their difference is 0.10 − 0.05w : between 5 and 10 percentage points for weights from zero to one. Run the standard-library Python [generator](https://gtogecko.com/data/poker-trainer-accuracy/generate.py) and [independent checker](https://gtogecko.com/data/poker-trainer-accuracy/verify.py) using the [reproduction instructions](https://gtogecko.com/data/poker-trainer-accuracy/README.md). The [checksum manifest](https://gtogecko.com/data/poker-trainer-accuracy/MANIFEST.sha256) records the publication files. This is exact arithmetic on invented counts, not a simulation, controlled learning study or analysis of product users. - [E. H. Simpson (1951), original paper, especially pages 240–241](https://math.bme.hu/~marib/bsmeur/simpson.pdf): interpreting grouped and combined data. - [CDC WONDER, fixed-reference weighted-rate method](https://wonder.cdc.gov/wonder/help/ucd.html#Age-Adjusted%20Rates): mathematical background for standardization; not poker-learning evidence. - [GTO Gecko, official US App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434): current product scope. External sources accessed September 6, 2026. No causal improvement, lasting retention, table performance or financial result is established by this comparison. ### Shown Bluffs Are Not a Bluffing Frequency https://gtogecko.com/blog/shown-bluffs-poker If ten revealed bets can be correctly classified and four are bluffs, the bluff share of that classified group is 40%. It does not establish that an opponent bluffs 40% of the time they bet. The hands you see have passed through calling, folding and disclosure decisions. Hidden hands can have a different composition, and visible cards do not always settle whether a bet was a bluff. Here is a small example you can inspect completely: twenty invented river bets, with four classified as bluffs, six as value bets and ten left unknown. The classified fraction is 40%. Under the example's binary labels, the bluff fraction across all twenty bets can be anywhere from 20% to 70%, in five-percentage-point steps. Both endpoints fit the same observed record. Why a revealed hand is a selected observation A bet that gets called can produce different information from one that wins without a call. Even after a hand ends, showing can be optional: [PokerStars' current show-or-muck instructions](https://www.pokerstars.com/help/articles/show-hole-card/11087/) describe settings and choices for showing winning hands after opponents fold, as well as mucking. That is an example of a disclosure mechanism, not a universal rule for every room. You may see a hand because someone called or because the bettor chose to show it. Also distinguish what appeared on screen from what you can legitimately review later: [PokerStars documents some mucked showdown cards in participants' hand histories](https://www.pokerstars.com/help/articles/hh-mucked-cards-rule/). Its help page distinguishes those from cards folded facing a bet. Do not equate “mucked on screen” with “permanently unknown.” A collection of memorable reveals is therefore not automatically a random sample of all bets. Nothing here assumes that people preferentially show bluffs rather than value; either direction needs evidence. The research paper [Bayes' Bluff (UAI 2005), section 3.3](https://webdocs.cs.ualberta.ca/~mbowling/papers/05uai.pdf), explicitly distinguishes observations with known opponent cards from those with hidden cards. Its model sums over possible hidden holdings. That illustrates why missing cards belong inside an inference model; simply deleting those observations is a different procedure. Our exercise below is a counting demonstration, not an implementation of that Bayesian model. Keep the label separate from the cards For this exercise, every bet has exactly one stipulated underlying label: bluff or value. The ten revealed bets are classified correctly. Think of a teaching dataset whose author knows the labels, not a person whose intentions become certain when their cards appear. Real hands are less tidy. A losing bet can have been intended for thin value; a winning bet can have been intended as a bluff. A merged bet may resist either label. If you cannot justify the classification, keep it unknown even when the cards are visible. The synthetic record contains all twenty eligible bets from one declared context. Each has a unique ID. We are measuring the bluff share among those bets , not bets per dealt hand, per river opportunity, or per session. In an actual review, define the bettor, format, positions, stack conditions, board/action context, sizing and observation window before collecting the denominator. Two hidden worlds, one visible record The twenty-bet record Bets 01–04 have known bluff labels. Bets 05–10 have known value labels. Bets 11–20 have unknown labels. The observed classification fraction is 4 / (4 + 6) = 40% . Assign all ten unknowns to value and the completed record has 4 bluffs in 20 bets. Assign all ten to bluff and it has 14 in 20. Neither assignment changes a single observed label. Two compatible completions of the same synthetic record. B means bluff; V means value; ? means unknown. These are possible label assignments, not estimated probabilities. On a narrow screen, scroll the table horizontally to compare both worlds. What changes when the unknown labels change? Record Known B / V Ten unknowns All-bet bluff share World A 4 / 6 All value 4 / 20 = 20% World B 4 / 6 All bluff 14 / 20 = 70% [Open the missing-label workshop](https://gtogecko.com/data/shown-bluffs-poker/workshop.html) to move between the eleven possible totals. It keeps the observed labels fixed and changes only the hypothetical unknown labels. It does not estimate which completion is more likely. Calculate bounds for a complete record Let B be the known bluff count, V the known value count and U the unknown count. With N = B + V + U and N greater than zero, the smallest compatible bluff fraction is B / N ; the largest is (B + U) / N . The proof is just counting. None of the unknown labels can remove a known bluff, and at most all U unknowns can add one. Assigning every unknown to value reaches the lower endpoint; assigning every unknown to bluff reaches the upper. For our record, those are 4/20 and 14/20. The width is U/N: here, 10/20 = 50 percentage points . If all labels become known correctly, the endpoints coincide. If none is known, the bounds are 0–100%. If you do not know how many eligible bets occurred, you do not have the N needed for this calculation. Resolve one unknown correctly and the arithmetic changes. If bet 11 is value, the bounds become 4/20 to 13/20: 20–65% . If it is bluff, they become 5/20 to 14/20: 25–70% . Either resolution removes one unknown and narrows the width by five percentage points. It does not choose labels for the other nine. These are bounds on a fixed completed record under declared label assumptions . They are not a 95% confidence interval, a posterior probability range or a forecast of an opponent's next bet. More shown hands do not settle the selection question Imagine a larger synthetic record with the same proportions: 400 known bluffs, 600 known value bets and 1,000 unknowns. The classified share is still 40%; the full-record bounds remain 20–70%. The unknown fraction is still one half of the record, so its bound width is still fifty percentage points. Increasing the counts alone has not constrained how those unknown labels are assigned. Our [poker-stat sample-size guide](https://gtogecko.com/blog/poker-stat-sample-size) addresses a different question: sampling uncertainty when you have defined action counts and comparable opportunities under a statistical model. A confidence interval around the classified observations cannot, on its own, establish that the hidden observations have the same composition. Additional assumptions or evidence can narrow the possibilities. Charles Manski's [Inference with Imputed Data , section 3.1](https://arxiv.org/pdf/2205.07388), separates the contributions from observed and missing outcomes; connecting the two requires assumptions. Our finite-record counting exercise illustrates that distinction without estimating a population parameter. For example, a justified observation model could connect disclosure to holdings and actions. An authorized fuller hand history might resolve particular unknowns. Neither step permits silently assigning every unshown hand to value, or copying the shown-hand fraction into the unshown group. Write the observation you actually have First count every eligible bet, including unshown bets . A list of twenty memorable reveals is not a complete twenty-bet denominator. If completeness is unknown, report that limitation instead of calculating these bounds. Replace “bluffs 40%” with a note like this: “Twenty comparable river bets recorded; four classified bluff, six classified value, ten unknown. Classified share 40%; classification and disclosure assumptions still need review.” Keep the supporting cards, action sequence and information source alongside each label. Our [hand-notes guide](https://gtogecko.com/blog/poker-hand-notes) helps preserve missing details without inventing them. Separate why a label is unknown: cards never observed, incomplete history, or visible cards whose betting purpose remains ambiguous. Also record how known cards became available. That lets later evidence change the relevant row instead of turning one striking reveal into a permanent player label. For off-table practice, [Live Poker Trainer](https://apps.apple.com/us/app/live-poker-trainer/id6760467336) offers practice against specified opponent models. Use those models to explore a declared assumption; they do not identify which model fits a real opponent from shown cards. GTO Solutions AS publishes both the app and this article. Product information was checked September 6, 2026; this exercise does not test the app or claim that it computes these bounds. Method and downloads We created twenty synthetic IDs and enumerated all 2 10 = 1,024 binary assignments to the ten unknown labels. Every assignment preserves the ten known labels. The resulting complete-record bluff fractions have eleven distinct values, from 20% through 70% in five-point steps. Enumeration gives possibilities, not probabilities: we did not assume the assignments are equally likely. Download the [observed record](https://gtogecko.com/data/shown-bluffs-poker/observed.csv), [two endpoint completions](https://gtogecko.com/data/shown-bluffs-poker/completions.csv), [exact results](https://gtogecko.com/data/shown-bluffs-poker/results.json), [generator](https://gtogecko.com/data/shown-bluffs-poker/generate.py), [independent verifier](https://gtogecko.com/data/shown-bluffs-poker/verify.py) and [reproduction instructions](https://gtogecko.com/data/shown-bluffs-poker/README.md). The [checksum file](https://gtogecko.com/data/shown-bluffs-poker/SHA256SUMS) covers the public bundle. No real players, private histories, solver ranges or random simulation were used. The exercise does not establish bluff intent from cards, correct misclassification, recover omitted bets, validate a tracker, or determine a calling strategy. Even a fully labeled past record does not by itself establish a stable future rate. - PokerStars, [Show or muck your cards](https://www.pokerstars.com/help/articles/show-hole-card/11087/): operator-specific disclosure options; accessed September 6, 2026. - Southey and colleagues, [Bayes' Bluff: Opponent Modelling in Poker](https://webdocs.cs.ualberta.ca/~mbowling/papers/05uai.pdf), UAI 2005, section 3.3: distinct observation likelihoods for known and hidden cards; accessed September 6, 2026. - PokerStars, [Cards mucked in hand histories](https://www.pokerstars.com/help/articles/hh-mucked-cards-rule/): distinction between visible display and authorized history; accessed September 6, 2026. - Charles F. Manski, [Inference with Imputed Data](https://arxiv.org/pdf/2205.07388), May 2022, section 3.1: observed and missing outcome decomposition; accessed September 6, 2026. - GTO Solutions AS, [Live Poker Trainer, US App Store](https://apps.apple.com/us/app/live-poker-trainer/id6760467336): specified opponent-model practice; accessed September 6, 2026. ### Backdoor Draws in Poker: Which Turns Keep You Drawing? https://gtogecko.com/blog/backdoor-draw-poker A backdoor draw needs help on both the turn and river. On the flop, three hearts across your hole cards and the board are a backdoor flush draw, not a nine-out flush draw. The next heart creates a draw; a second one completes the flush. Map the turns before treating that potential as a reason to continue. With 8♥7♥ on K♥9♣2♦, 22 of 47 unseen turn cards create a one-card straight or flush draw . Yet only 90 of 1,081 equally likely two-card runouts complete either formation: 8.33%. Creating a draw is much more common than finishing one. That 8.33% assumes you see both remaining board cards; it is neither showdown equity nor a flop-call threshold. The original turn map below shows where those numbers come from. It is a synthetic Hold’em card-counting example, not a solver recommendation to call, bet or raise. What “runner-runner” asks the deck to do Hold’em lets you choose your best five cards from two hole cards and five community cards; the turn and river arrive separately. See the [official PokerStars Hold’em rules](https://www.pokerstars.com/poker/games/texas-holdem/). A runner-runner, or backdoor, completion requires both remaining board cards to contribute to the target hand. With our 8♥7♥ and K♥9♣2♦ flop, no single turn card completes either target. A straight or flush is present only after two suitable runners. A 6♣ creates an open-ended straight draw: a 5 or ten on the river completes it. A 5♣ creates a gutshot: only a 6 completes the straight. A 3♥ creates a flush draw. A 3♣ leaves neither target reachable with one river card. This is why “two suited hole cards” does not always mean a backdoor flush draw. If the flop has none of that suit, even two matching runners leave only four cards of the suit among your seven. You need three across your hole cards and the flop to reach five with two cards. A complete turn map for two backdoor draws We condition only on Hero’s two cards and the three flop cards. We assume a uniformly shuffled standard deck, with no information beyond those five known cards. Every remaining card is equally likely in each unknown location. There are 47 possible turns and, after each turn, 46 possible rivers. Unknown opposing hands, folds and burn cards are integrated out; we do not infer their contents from betting. All rows use 8♥7♥ on K♥9♣2♦. T means ten; J means jack. “Completion cards” counts distinct rivers making at least one five-card straight or flush, not cards guaranteed to win. Scroll the table horizontally on a narrow screen. Every possible turn, grouped by the draw it creates Turn cards Number Draw after the turn Completion cards / 46 6♥ or T♥ 2 Flush + open-ended straight 15 / 46 (32.61%) 5♥ or J♥ 2 Flush + gutshot 12 / 46 (26.09%) 2♥, 3♥, 4♥, 9♥, Q♥, A♥ 6 Flush only 9 / 46 (19.57%) Non-heart 6 or ten 6 Open-ended straight only 8 / 46 (17.39%) Non-heart 5 or jack 6 Gutshot only 4 / 46 (8.70%) Every other legal turn 25 Neither target remains reachable 0 / 46 (0%) For the 6♥ turn, the nine remaining hearts and eight straight-completing cards overlap at 5♥ and T♥. Count those two once: 9 + 8 − 2 = 15. The same principle gives 9 + 4 − 1 = 12 after 5♥. The 22 active turns are 10 hearts plus 16 cards of ranks 5, 6, ten and jack, minus the four hearts counted in both groups. The other 25 turns do not mean the hand has zero equity. Pairing an 8 or 7 might matter against an opponent; our map tracks only straights and flushes. This graphic summarizes the table. Scroll horizontally to read it at full size on a narrow screen. A useful turn creates possibilities. Its row still has to survive the river, and completing a formation does not establish a showdown winner. Why the two backdoors add up to 8.33%, not 8.60% The familiar backdoor-flush calculation is (10 / 47) × (9 / 46) = 4.16%. Ten unknown hearts can arrive first, followed by nine. Unlike an ordinary flush draw, a non-heart turn ends this route entirely. Multiplying a fixed number of immediate outs by four misses that two-step requirement. For the combined calculation, count unordered turn–river pairs. There are C(47, 2) = 47 × 46 / 2 = 1,081 pairs. Each pair represents two equally likely orders, so treating them as unordered does not change the final-completion probability. - Flush: choose any two of the ten remaining hearts: C(10, 2) = 45 pairs. - Straight: the rank pairs 5–6, 6–T or T–J complete a straight. Each has four choices of each rank: 3 × 4 × 4 = 48 pairs. - Both: 5♥–6♥, 6♥–T♥ and T♥–J♥ appear in both counts: three pairs. Therefore P(straight or flush) = (45 + 48 − 3) / 1,081 = 8.33% . Simply adding the separate 4.16% and 4.44% figures double-counts those three completions. “Both” here means a five-card straight and a different five-card flush can each be selected from the seven cards. It does not mean a straight flush. The 9♣ breaks the suited sequence in all three overlaps. You can cross-check the result from the turn table: (2 × 15) + (2 × 12) + (6 × 9) + (6 × 8) + (6 × 4) = 180 successful ordered runouts. Dividing by 47 × 46 gives the same 8.33%. What changes when you know an opponent’s cards? The 47-card model describes a particular information state. If two specific opposing cards are exposed, there are 45 unknown cards instead. With zero hearts exposed, the flush count is 45 / 990 = 4.55%; with one heart, it is 36 / 990 = 3.64%; with two hearts, it is 28 / 990 = 2.83%. Exposing two non-hearts raises the flush-completion percentage because it removes cards that could make this route fail. Here 990 = C(45, 2), and the numerators choose two from ten, nine or eight remaining hearts. Those are separate conditional calculations. Do not remove two arbitrary cards merely because an opponent exists. If you assign a range from the action, the calculation must average over compatible hands with their stated weights; the three exposed-heart percentages are not substitutes for that calculation. The contents of that range also matter for who wins. A completed flush that loses: Keep 8♥7♥ on K♥9♣2♦, expose A♥Q♥ for the opponent, then deal 6♥ and 5♥. Hero makes K♥8♥7♥6♥5♥. The opponent makes A♥K♥Q♥6♥5♥ and wins with the higher flush, following the [standard high-card comparison for flushes](https://www.pokerstars.com/poker/games/rules/hand-rankings/flush/). The runner-runner route succeeded; the showdown did not. Completion frequency is consequently different from [equity against a hand or range](https://gtogecko.com/blog/poker-equity-explained). Equity can include wins with pairs or unimproved cards and shares from ties, while excluding completed draws that lose. Neither number alone supplies the EV of an earlier betting decision. Use the map to ask a better study question [PokerStars’ semi-bluff lesson](https://www.pokerstars.com/poker/learn/lesson/bluffing/) includes backdoor draws among possible candidates when other factors align. That is a reason to examine the full situation, not to call any flop bet because a hand can improve. In an off-table review, write down the specific turns before checking a solution. For this hand: “A non-heart 6 gives me eight straight-completing rivers; 6♥ gives me fifteen straight-or-flush completions; 3♣ gives neither.” Then record the position, effective stack, pot, bet size and opponent range. The turn map is a checklist of possible continuations, not a frequency for betting them. Ask whether the available actions make sense under those conditions and whether reaching the river costs more chips. For that next step, use [GTO Gecko](https://play.gtogecko.com/) to study a comparable available flop scenario off-table, comparing its action frequencies and EV estimates before inspecting different turns. The [current official listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434), checked September 5, 2026, describes precomputed flop and turn study. GTO Gecko and this blog share the GTO Solutions team. This article’s exact fixture and turn map are independent calculations; we do not claim that the app contains this particular scenario. Download the full map and reproduce the counts Our [47-turn CSV](https://gtogecko.com/data/backdoor-draw-poker/turns.csv) and [1,081-runout CSV](https://gtogecko.com/data/backdoor-draw-poker/runouts.csv) retain every card-level result. Download the [exact totals](https://gtogecko.com/data/backdoor-draw-poker/results.json), [Python generator](https://gtogecko.com/data/backdoor-draw-poker/generate.py), [independent Node verifier](https://gtogecko.com/data/backdoor-draw-poker/verify.mjs), [method and reproduction instructions](https://gtogecko.com/data/backdoor-draw-poker/README.md), and [integrity manifest](https://gtogecko.com/data/backdoor-draw-poker/MANIFEST.sha256). Save the [diagram source](https://gtogecko.com/data/backdoor-draw-poker/turn-map.svg) alongside them for the full package. The enumeration is exact for one constructed 52-card Hold’em fixture, with both future board cards seen. It uses no random sampling and makes no claim about action-conditioned ranges, betting EV, optimal bluff frequency, stacks, rake, payouts or app output. Change the known cards or assumptions before applying these counts to a different hand. ### Dry Side Pot Strategy: When Betting Still Has a Purpose https://gtogecko.com/blog/dry-side-pot-poker A dry side pot does not make every bet pointless. In our fixed river model, one bet loses 90 chips as a dead bluff, while the same 150-chip bet against the same ten-combination response range makes 30 chips when Hero can beat the all-in player after the live opponent folds. A third case adds 60 chips over checking by getting called by worse. The deciding question is not simply “Is the side pot empty?” It is which pot Hero can win in each response branch . This article begins one decision before our [side-pot calculation and call-EV guide](https://gtogecko.com/blog/side-pot-equity-calculation). That guide covers contribution layers and already-created pots after action closes. Here, the current side pot is exactly zero, two players still have chips, and a fold or call changes both eligibility and settlement. Every card, response, and payoff is published in a reproducible casebook. Disclosure: GTO Solutions AS publishes GTO Gecko and this article. The casebook is a separate synthetic chip-EV study, not a GTO Gecko production solution, player-data study, or claim that the app contains this exact node. The Short Answer: Empty Does Not Mean Irrelevant A side pot is “dry” in this article when, at the decision point, the two players who still have chips have placed no matched extra chips beyond the main pot. If Hero bets and Villain folds, the unmatched bet returns; there is still no side pot. If Villain calls, their two 150-chip wagers create a 300-chip side pot that only those two players can win. For the return convention, [2026 WSOP Rule 108](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) states that an uncalled bet or raise is returned in its hand-protection context; room and event procedures control an actual ruling. [PokerStars' official rules page](https://www.pokerstars.com/help/articles/poker-rules-master/217448/) says a side pot is created when one player is all-in and the others continue betting, and only contributors can win it. [Poker TDA's current published 2024 rules](https://www.pokertda.com/view-poker-tda-rules/) require each side pot to be split separately. Those are settlement rules, not a recommendation to bet or check. Scope: The numbers below are river chip EV. On a payout-sensitive bubble or final table, ICM and bounty value can change the decision even when the chip settlement is identical; see the separate [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy). - A dead river bluff cannot improve EV in the special model below. If Hero loses to the all-in hand even after Villain folds, the fold does not award Hero the main pot. - An isolation bet can have value. If Hero beats the all-in hand but loses to Villain, folding Villain can move the main pot to Hero. - A value bet can have value for the ordinary reason. A worse live hand can call and fund a new side pot. - Earlier streets are different. On the flop or turn, betting can change future equity and future action; a river-only slogan is not a complete model. One River State, Three Complete Branches Freeze this No-Limit Hold'em river state. The board is K ♣ 9 ♦ 7 ♠ 4 ♥ 2 ♣ . One player is all-in with A ♠ 9 ♣ . The main pot is 300 chips. Hero and Villain both have at least 150 chips behind, but their current side pot is zero. Hero may check or bet 150; Villain may fold or call. Raises, rake, bounty value, tournament payouts, future cards, and prior-chip recovery are excluded. Information boundary: A ♠ 9 ♣ is revealed to the reader for a retrospective, full-state calculation. It is not a claim that Hero sees the all-in cards while action remains: [Poker TDA Rule 16](https://www.pokertda.com/view-poker-tda-rules/) and [WSOP Rule 70](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) call for all-in cards to be tabled once the other betting action is complete. For a live decision, replace the fixed hand with an all-in range unless the hand is actually exposed and known. To separate all-in exposure timing from the order of showing at an ordinary showdown, see our [showdown-order casebook](https://gtogecko.com/blog/poker-showdown-order). Its paired action records identify when later betting remains possible. The solid check branch reaches a three-player main-pot showdown. After a bet, a fold returns Hero's unmatched wager and removes Villain from main-pot eligibility; a call leaves the main pot three-way and creates a 300-chip side pot between Hero and Villain. The payoff table immediately below gives the same information without relying on the image. Narrow screen? Scroll the diagram horizontally to read each branch. A fold changes who contests the main pot; a call creates the side pot. An uncalled wager is returned rather than won or lost. Narrow screen? Scroll horizontally to compare all three branches. Decision-point settlement; earlier contributions are sunk Hero line Current wager Main-pot players New side pot Hero payoff counted Check 0 Hero, Villain, all-in 0 Hero's share of 300 Bet 150, Villain folds 150 returns Hero, all-in 0 Hero's share of 300 Bet 150, Villain calls 150 at risk Hero, Villain, all-in 300; Hero and Villain only Main receipt + side receipt − 150 The payoff convention matters. A displayed +300 means Hero receives the 300-chip main pot from this decision onward. It is not whole-hand profit: Hero's earlier contribution helped build that pot and is already sunk. This is the same current-state discipline used in our [pot-committed decision guide](https://gtogecko.com/blog/pot-committed-poker). Case A: A Dead Bluff Loses 90 Chips Give Hero Q ♥ J ♥ . Hero loses to the all-in player's pair of nines and to every Kx hand in Villain's ten-combination range. Villain calls the six KQ, KJ, and KT combinations and folds the four K8 and K6 combinations. Every combination has equal conditional weight. This response policy is a synthetic input, not a solver or population estimate. Check: Villain's pair of kings wins the main pot in all ten branches. Hero receives 0 . Bet/fold, 4 of 10: Hero's 150 returns, but A ♠ 9 ♣ still wins the main pot. Hero receives 0 . Bet/call, 6 of 10: Hero loses the main and side pots and loses the new 150-chip wager. Hero's payoff is −150 . Bet EV: (4 / 10 × 0) + (6 / 10 × −150) = −90 chips . Checking is better by 90. The 40% fold rate does not make this bluff profitable. Folding Villain does not fold the all-in player, and Hero still cannot win the main pot. If Villain somehow folded 100%, betting would only tie checking because the wager would return and the all-in hand would still win. Case B: The Same Fold Rate Makes 30 Chips Change only Hero's hand to K ♥ 5 ♥ . Keep the board, all-in hand, Villain's exact ten combinations, 150-chip bet, and four-fold/six-call policy unchanged. Hero now beats the all-in pair of nines, but every Villain Kx combination has a higher kicker and still beats Hero. Check: Villain wins the three-way main pot in all ten branches. Hero receives 0 . Bet/fold, 4 of 10: Hero's wager returns. With Villain gone, Hero beats the all-in hand and receives the 300-chip main pot . Bet/call, 6 of 10: Villain beats Hero for both pots. Hero loses the new 150-chip wager . Bet EV: (4 / 10 × 300) + (6 / 10 × −150) = 120 − 90 = +30 chips . This is the controlled counterexample to “you can never bluff a dry side pot.” Hero's hand is not a conventional zero-showdown bluff: it has a live claim to the main pot once Villain folds. The bet buys a chance to isolate that claim. Whether the opponent really folds often enough is a separate range and strategy question. The Break-Even Fold Formula The paired cases generalize to a deliberately narrow formula. Assume Hero receives nothing after checking, loses every pot if called, and has expected share q of the main pot M conditional on Villain folding. Let f be the fold probability and B the bet: EV(bet) = f × q × M − (1 − f) × B Break-even fold frequency f* = B / (q × M + B) , when q is greater than zero. For Case B, q = 1, M = 300, and B = 150, so break-even is 150 / (300 + 150) = 33.33% . The declared 40% fold rate clears it. Case A has q = 0, so no fold rate below 100% can make the bet better than checking; at 100%, it merely ties. In a live information set, q is the expected fold-branch share against the all-in player's range, not a value read from concealed cards. Narrow screen? Scroll horizontally to compare bet sizes and main-pot shares. Break-even fold rate in the special isolation-bluff model; main pot M = 300 Bet B B / M q = 25% q = 50% q = 75% q = 100% 75 1 / 4 pot 50.00% 33.33% 25.00% 20.00% 150 1 / 2 pot 66.67% 50.00% 40.00% 33.33% 300 1 pot 80.00% 66.67% 57.14% 50.00% Do not import this threshold into an unrelated hand. The formula assumes zero check value and zero called value, with q already conditional on the fold branch. If Hero sometimes wins when called, if checking has equity, or if the fold range changes Hero's main-pot share, use the full branch tree instead. Case C: A Value Bet Adds 60 Chips Give Hero K ♥ Q ♥ and Villain ten weaker Kx combinations: KJ and KT call four times; K8, K6, and K3 fold six times. Hero beats the all-in hand and every Villain combination. Check EV: Hero wins the 300-chip main pot in every branch: 300 . Bet/fold, 6 of 10: the wager returns and Hero wins the main pot: 300 . Bet/call, 4 of 10: Hero receives the 300 main pot plus the 300 side pot, less the 150 current wager: 450 . Bet EV: (6 / 10 × 300) + (4 / 10 × 450) = 360 chips , or +60 versus checking. An empty side pot cannot contain value before the bet. It can contain value after a worse hand calls. That sounds elementary, but it is exactly why “dry means check” is too broad. Turn Betting Needs a Future-Card Tree The central casebook ends on the river so every branch settles immediately. On the flop or turn, a bet can fold out a live opponent's future equity, charge a draw, change the ranges that reach the next street, or create new bet and raise branches. The all-in player's cards also remain unavailable to the deck and can affect both live players' equity. “Protection” is therefore not a free reason to bet; it is a request for a larger model. Record the remaining cards, range behind each action, future sizing, and joint main/side-pot settlement. Our [multiway strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy) explains why relative position and stronger continuing ranges already make multiway incentives different from heads-up poker. Checking Down Is a Decision, Not a Deal Two players may independently decide that checking is best. That is different from making an agreement to avoid betting against each other. [The 2026 WSOP Official Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) describe poker as an individual game and treat soft play and collusion as sanctionable conduct. Poker TDA Rule 69 uses the same individual-play principle. Checking itself is not proof of collusion, and these rulebooks do not solve the strategic decision. Act independently, do not coordinate a check-down, and follow the room or event's ruling. When uncertain during a live hand, ask the floor rather than using an off-table strategy tool. A Five-Question Dry-Side-Pot Review - Is the side pot actually zero now? Separate matched side-pot chips from an unmatched wager that would return. - Who can win each pot after each response? A fold can remove one live opponent from the main pot; a call can create a side pot with different eligible players. - What is Hero's conditional share? Evaluate against the all-in player's range after a fold—or the exposed hand, if actually known—and against the joint call range after a call. Do not add incompatible heads-up equities. - What new chips are at risk? Earlier contributions are sunk. Count the current bet once and count returned unmatched chips correctly. - What did the river model omit? Add future cards, raises, rake, bounty value, ICM, and room-specific rules before transferring the conclusion. Study a Comparable Multiway Spot Off the Table Use GTO Gecko off-table to review a comparable available precomputed scenario, including its available actions, mixed-action frequencies, EV estimates, and range composition. Its current [US App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) describes available multiway sessions; the [Google Play listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) describes off-table range and frequency study. This article's dry-side-pot model is separate and does not claim the app contains this exact node or settles side pots. For an available comparison, write down the pot, stacks, players, board, action sequence, and range assumption before reading any frequency. If the app's scenario does not match those fields, study the strategic contrast rather than copying a number. Do not use solvers, charts, or this casebook during a live hand. Dry Side Pot FAQ Can you bluff into a dry side pot? Sometimes a bet that looks like a bluff can profit by folding out the live opponent when Hero can then win the main pot. A true river bluff with zero share against the all-in hand and zero value when called is never strictly better than checking in this model. Who can win a newly created side pot? Only the players who contribute to it and retain live hands. The all-in player remains eligible for the main pot but did not contribute to the later side pot. Should players always check down against an all-in player? No universal rule follows from the side pot being empty. Value, main-pot isolation, future equity, range composition, payout incentives, and rules can all matter. Players must make independent decisions under the applicable rules. Method, Downloads, and Limits The JavaScript generator and independent Python verifier each evaluate all 21 five-card subsets of every seven-card hand, then settle the check, bet/fold, and bet/call branches from the disclosed cards. The bundle contains three cases, 30 combination branches, and 12 break-even sensitivity rows. There is no sampling and no solver. Passing the verifier establishes internal agreement with the frozen assumptions, not optimal play or real-world response frequencies. - [README, reproduction commands, and scope](https://gtogecko.com/data/dry-side-pot-poker/README.md) - [Complete casebook (JSON)](https://gtogecko.com/data/dry-side-pot-poker/casebook.json) - [All 30 hand/response branches (CSV)](https://gtogecko.com/data/dry-side-pot-poker/cases.csv) - [Break-even sensitivity table (CSV)](https://gtogecko.com/data/dry-side-pot-poker/thresholds.csv) - [Deterministic JavaScript generator](https://gtogecko.com/data/dry-side-pot-poker/generate.mjs) - [Independent Python verifier](https://gtogecko.com/data/dry-side-pot-poker/verify.py) - [SHA-256 manifest](https://gtogecko.com/data/dry-side-pot-poker/MANIFEST.sha256) The fixed policies are constructed sensitivity inputs. They are not GTO, opponent reads, or population claims. The model excludes raises, ties in the fixed cases, side pots already in existence, future streets, rake, jackpot drops, bounties, prize payouts, and ICM. Actual pots and conduct follow the applicable room or event rules. Sources - [PokerStars: poker terms and side-pot rules](https://www.pokerstars.com/help/articles/poker-rules-master/217448/) — accessed September 5, 2026. Used for side-pot creation and contributor eligibility. - [Poker TDA: 2024 Rules, Version 1.0](https://www.pokertda.com/view-poker-tda-rules/) — accessed September 5, 2026. Used for all-in action, separate side pots, and individual-play boundaries; not strategy advice. - [2026 WSOP Official Tournament Rules (PDF)](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) — accessed September 5, 2026. Relevant sections include Rules 40, 70, 74, 108, and 118. Room and event rules control actual disputes. - [GTO Gecko dry-side-pot casebook](https://gtogecko.com/data/dry-side-pot-poker/README.md) — generated and independently checked September 5, 2026. Original synthetic analysis for this article. - [GTO Gecko, US App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) — accessed September 5, 2026. Used only for the bounded off-table product description. ### Dwan vs Schwimer: A $200,800 Hand Through the Closest Solver Nodes https://gtogecko.com/blog/dwan-schwimer-hand-analysis Tom Dwan’s ace-king lost a reported $200,800 pot to Michael Schwimer’s five-four offsuit. The closest retrieved solver model frequently checks his ace-king on the turn—but cannot give us a trustworthy verdict on the whole hand. The reason appears before the flop: Schwimer’s exact starting hand never opens in that model. A solver can still teach us something here, provided we keep the real hand, the matched decisions, and the changed assumptions visible. We reconstructed this hand from High Stakes Poker , Season 8, Episode 8, using contemporary reporting, then queried real preflop and GTO Gecko postflop solutions. Below are the cards, a range grid, the closest available betting branches, and the river price. This is an analysis of a played cash-game hand through an approximate model, not a fresh solve of the televised game. Disclosure: GTO Solutions AS publishes GTO Gecko and this article. Database extracts and sources checked September 5, 2026. Graphics are original reconstructions. Scroll the diagram horizontally on a narrow screen for readable labels. Reported HJ/SB positions and pot; suit symbols remain visible as well as colors. The hand: ace-king meets an unexpected two pair Schwimer had reloaded to about $100,000. We follow the small-blind and hijack position labels in the [PokerNews episode recap](https://www.pokernews.com/news/2021/02/high-stakes-poker-season-8-episode-8-38623.htm); [Poker.org’s hand report](https://www.poker.org/latest-news/michael-schwimer-leaves-tom-dwan-stunned-after-200k-high-stakes-poker-pot-a7Cd65C72XYK/) supplies the hole-card suits and $54,800 river pot. Dwan held A♦K♥; Schwimer held 5♥4♣. Scroll the diagram horizontally on a narrow screen for readable labels. Amounts are raise-to totals where applicable. $26,800 is reconstructed from the reported later pot. Complete hand history in text Scroll horizontally on narrow screens to read all columns. Reported hand: all amounts USD Street / board Dwan, SB · AdKh Schwimer, HJ · 5h4c Preflop Three-bets to $13,000 Opens $3,000; calls $10,000 more Flop 4♠ 5♣ 2♥ Bets $14,000 Calls $14,000 Turn A♥ Checks Checks River J♠ Bets $25,000; calls $48,000 more Raises all-in to $73,000 The completed board is 4♠ 5♣ 2♥ A♥ J♠. Schwimer’s two pair beats Dwan’s pair of aces. That outcome settles who won; it does not tell us which decisions were profitable against the ranges each player expected. A source discrepancy worth keeping visible The episode-level PokerNews description lists $200/$400/$800 with an $800 third-blind ante. That schedule does not reconcile with this hand’s reported pots under the stated positions. Poker.org describes $200/$400. We use the reported $54,800 river pot and $200,800 final pot, reconstructing the flop pot as $54,800 − 2 × $14,000 = $26,800; we do not invent the missing blind/ante explanation. [Bart Hanson’s separate reconstruction](https://www.youtube.com/watch?v=euMG7R2k4Go) also labels Schwimer as the cutoff in narration. We test that alternative below. The [official PokerGO episode](https://www.pokergo.com/videos/high-stakes-poker-season-8-episode-8) is the original broadcast; its subscription-gated footage was not independently reviewed for this article. Choose the model by structure, then show the differences We found the same 5–4–2 rainbow flop in the GTO Gecko 200-base-big-blind, eight-seat straddle, SB-versus-HJ three-bet-pot library. Here “base big blind” means the blind before the straddle: the model uses 0.5/1/2 blinds, so 200 base bb equals 100 straddles. This is the closest structural comparison among the configurations we checked, not a claim that the actual hand had that forced-bet structure. Scroll the diagram horizontally on a narrow screen for readable labels. Similar SPR supports a structural comparison; it does not establish identical ranges. Scroll horizontally on narrow screens to read all columns. Reported hand versus selected stored model Parameter Reported hand / reconstruction Selected model Game roles SB versus HJ, following PokerNews SB versus HJ, heads-up postflop Starting effective stack About $100,000; 250 × the reported $400 big blind 200 base bb; 100 straddles Forced bets Sources differ; not reconciled 0.5 / 1 / 2 blinds; 0.5bb ante each × 8 Preflop sizes Open $3,000; three-bet to $13,000 Open 6bb; three-bet to 24bb Flop pot / stack behind $26,800 / $87,000 55bb / 176bb Rake Not established 4%, capped at 2 base bb Flop / turn 4♠ 5♣ 2♥ / A♥ Identical after consistent suit relabel Opponent’s exact 54o Present in the reported hand Zero preflop arrival; absent postflop The appeal is the stack-to-pot ratio (SPR) : $87,000 behind divided by the reconstructed $26,800 flop pot is 3.25; the stored model has 176 bb behind and a 55 bb pot, or 3.20. A 150bb unstraddled live model we also checked has an SPR of 5.91; the 100bb straddle version has 1.38. Matching the postflop geometry makes the 200bb model useful, even though it does not make the preflop ranges interchangeable. See [how straddles change action order and effective depth](https://gtogecko.com/blog/poker-straddle-action-order). We preserve the actual suits through a complete relabeling: clubs→spades, spades→hearts, hearts→diamonds, diamonds→clubs. The database board is therefore 5♠ 4♥ 2♦, its turn A♦, and Dwan’s combination A♣K♦. Every card changes consistently. That differs fundamentally from replacing only Schwimer’s offsuit hand with a suited one; our [solver suit-frequency guide](https://gtogecko.com/blog/poker-solver-suit-frequencies) explains why. Preflop: the most important mismatch is 54o In the corresponding preflop library, the hijack folds 54o 100% when first in. After a modeled 6bb open, the small blind’s AKo three-bets to 24bb about 93.85% , calls 6.12%, and jams 0.03%. Dwan’s aggressive action therefore fits this nearby model, with a different raise size. Schwimer’s subsequent call cannot be graded honestly by clicking an off-range 54o cell. Its arrival weight at the modeled three-bet decision is zero: the model never opened it. That is a limitation of this comparison, not proof that the live opponent could not hold it. Scroll the diagram horizontally on a narrow screen for readable labels. HJ response to SB’s three-bet in the 200-base-bb straddle model. Letters distinguish actions without relying on color. Read the grid conditionally. It describes the hijack’s response after opening to 6bb and facing the small blind’s raise to 24bb. F means fold, C call, R raise, and M a mix with at least two actions at 1% or more. A dash means no arrival. Colored cells can represent hands that only opened occasionally; they do not mean every listed hand always reaches this node. Accessible text version of the 13×13 grid F fold; C call; R raise; M mixed; — no arrival. Scroll horizontally to read the entire grid. HJ versus SB three-bet: categorical actions Rank A K Q J T 9 8 7 6 5 4 3 2 A AA M AKs C AQs C AJs C ATs C A9s C A8s M A7s M A6s F A5s M A4s C A3s M A2s F K AKo M KK M KQs C KJs C KTs M K9s M K8s F K7s F K6s F K5s F K4s F K3s — K2s — Q AQo M KQo M QQ M QJs C QTs C Q9s F Q8s F Q7s — Q6s — Q5s — Q4s — Q3s — Q2s — J AJo M KJo M QJo F JJ M JTs C J9s C J8s F J7s — J6s — J5s — J4s — J3s — J2s — T ATo F KTo F QTo F JTo F TT M T9s C T8s C T7s — T6s — T5s — T4s — T3s — T2s — 9 A9o F K9o — Q9o — J9o — T9o — 99 C 98s M 97s F 96s — 95s — 94s — 93s — 92s — 8 A8o F K8o — Q8o — J8o — T8o — 98o — 88 M 87s C 86s — 85s — 84s — 83s — 82s — 7 A7o — K7o — Q7o — J7o — T7o — 97o — 87o — 77 C 76s C 75s — 74s — 73s — 72s — 6 A6o — K6o — Q6o — J6o — T6o — 96o — 86o — 76o — 66 M 65s C 64s — 63s — 62s — 5 A5o — K5o — Q5o — J5o — T5o — 95o — 85o — 75o — 65o — 55 C 54s C 53s — 52s — 4 A4o — K4o — Q4o — J4o — T4o — 94o — 84o — 74o — 64o — 54o — 44 C 43s — 42s — 3 A3o — K3o — Q3o — J3o — T3o — 93o — 83o — 73o — 63o — 53o — 43o — 33 M 32s — 2 A2o — K2o — Q2o — J2o — T2o — 92o — 82o — 72o — 62o — 52o — 42o — 32o — 22 M Across the arriving range, weighting physical combinations and their preflop reach gives approximately 41.13% fold, 53.40% call, 3.11% four-bet to 52.8bb, and 2.37% jam . These are range averages, not 54o’s strategy. There is a useful comparison hand: 54s . At 200 base bb it opens about 99.72% and calls the modeled three-bet 100%. At 100 base bb it opens only 0.05%. Depth matters substantially inside this database. Suitedness also matters: 54s is a deliberate analogy for studying two pair, never a replacement for Schwimer’s actual 54o. Flop: Dwan’s half-pot bet is one of several options Dwan’s $14,000 bet is 52.2% of the reconstructed $26,800 pot. The closest offered size is 27.5 into 55 base bb: exactly half pot. We select that existing branch rather than pretending the library solved a 52.2% bet. Scroll the diagram horizontally on a narrow screen for readable labels. Exact mapped AK combination in the closest checked HJ model. The highlighted half-pot branch approximates the played 52.2% bet. For Dwan’s exact mapped ace-king combination, the stored mix is 38% check, 38% bet about quarter pot, 15% bet half pot, and 9% bet about three-quarter pot. The played bet has a clear counterpart, but it is not the model’s only action. These are rounded numerical outputs within a restricted betting tree; the retrieved export does not provide a convergence certificate that would justify treating each percentage point as exact. For the two legal suited 54 combinations, the modeled response to half pot is approximately always call after normalizing the rounded export. That gives us an example of two pair retaining a calling line. It does not supply a frequency for 5♥4♣, which is absent from the postflop range. Turn: the model checks ace-king and bets suited two pair Follow that half-pot-bet/call branch and deal the actual ace turn. Dwan’s exact combination checks about 77% . Its alternatives are a 20%-pot bet at 13%, a 46.2%-pot bet at 8%, and a remaining-stack shove at 2%. The played check appears frequently in this proxy, despite ace-king improving from ace-high to top pair. This frequency is against the model’s opponent range, which excludes 54o. A wider real range could change Dwan’s strategy too; the result does not validate his decision against Schwimer. Scroll the diagram horizontally on a narrow screen for readable labels. The suited hand is an analogy. It cannot supply a check-back grade for Schwimer’s actual 54o. After the small blind checks, the suited-two-pair analogies behave differently from Schwimer’s played check-back. Both put about 97% on a 50.8bb bet into 110bb, approximately 46.2% pot, and only about 1% on checking in the rounded export. That small residual is not evidence of a precisely calibrated checking frequency. We show 5♦4♦ in the graphic; 5♥4♥ is the other legal suited analogy. On this board the latter has a heart flush draw, so they are not identical combinations even though this betting summary is similar. This is the strongest teaching contrast in the hand: improving to top pair does not automatically make the out-of-position player bet, and having position with two pair does not automatically make checking attractive. The model’s strategies depend on both ranges and the previous betting branch. We cannot attach its suited-hand check frequency—or an EV loss—to Schwimer’s actual offsuit check. How sensitive is that turn result? Two small checks make the approximation more informative. First, changing the earlier flop size changes which hands arrive at the turn. Second, changing the reported opener from hijack to cutoff changes the starting ranges. Scroll horizontally on narrow screens to read all columns. Dwan’s ace-king turn check: conditional model comparisons Opener model Earlier flop bet Turn check frequency HJ, 200 base bb 25.1% pot ≈30% HJ, 200 base bb 50% pot — main comparison ≈77% HJ, 200 base bb 74.9% pot ≈96% CO, 200 base bb 50% pot — position check ≈90% The HJ checks of 30%, 77%, and 96% come from three different conditional turn ranges, not a smooth sizing formula. Do not interpolate them to manufacture an exact answer for Dwan’s 52.2% flop bet. Under the alternative CO label, the closest half-pot branch checks about 90%; 54o still folds 100% first in, and AKo still mostly three-bets from the small blind (96.14%). The central limitations survive the position change, while exact frequencies move. River: a price we can calculate, a verdict we cannot The retrieved flop and turn files end at river-entry states. We did not obtain a river solution for this hand, rebuild the opponents’ ranges, or run a custom river solve. Consequently, neither Dwan’s river bet nor his call gets a solver approval stamp here. Scroll the diagram horizontally on a narrow screen for readable labels. An arithmetic threshold using reported amounts, not a river solver recommendation. The $73,000 is Schwimer’s total river raise , so Dwan owes $48,000 after his own $25,000 bet. The break-even pot share is $48,000 / $200,800 = 23.9% , using reported pots and ignoring any unreported deductions. With no ties, that is the win rate required for calling to break even relative to folding. That number does not measure Schwimer’s bluff frequency. It is the hurdle for Dwan’s hand against the whole raising range, including any worse made hands or split pots. Five-four beats ace-king at this showdown. That alone does not establish whether Schwimer intended the raise for value or as a bluff, and one revealed hand cannot tell us the composition of the range Dwan faced. Calling this a solver mistake from the showdown alone would skip the very question we need to answer. What to take into your own hand review Use the nearest node to ask a narrower question. In this hand, we can study a mixed ace-king flop bet and a frequent ace-turn check in a model with a closely matched SPR. We can contrast that with suited two pair’s turn betting. We cannot turn those pieces into an exact grade for an opponent who entered with an excluded hand. To study this comparison in GTO Gecko, look for the cash/straddle 200bb, SB-versus-HJ three-bet configuration and the 5–4–2 rainbow flop. The relevant database branch is half-pot bet/call followed by the ace turn. Check the full ranges before focusing on one combination. The [guide to how GTO Gecko solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) explains why solved assumptions matter; the [GTO Gecko web app](https://gtogecko.com/web-app) is the next step for studying the available scenarios. Method and evidence Preflop figures were extracted from a separate precomputed preflop database, and postflop figures from the GTO Gecko stored solution library, on September 5, 2026. These are separate extracts of corresponding configurations, not a newly solved, perfectly continuous full-hand tree. The postflop library’s own ranges determine its outputs. We used the standard equilibrium files, with no player-type adjustment or node locking. All quoted frequencies are conditional on reaching the named model decision. The postflop export rounds probabilities to two decimals; where they total 99% or 101%, we normalize by their sum and report approximate values. Preflop range averages use six combinations for pairs, four for suited hands, twelve for offsuit hands, and the stored arrival weights. The categorical grid suppresses zero-arrival cells. The model uses 4% rake capped at 2 base bb; actual rake and the disputed forced-bet schedule are not established. The public [methodology and source note](https://gtogecko.com/data/dwan-schwimer-hand-analysis/methodology.md), [selected-results table](https://gtogecko.com/data/dwan-schwimer-hand-analysis/selected-results.csv), and [categorical grid data](https://gtogecko.com/data/dwan-schwimer-hand-analysis/range-grid-summary.json) document the displayed analysis. Full proprietary solution trees and private access details are not reproduced. The reported hand is sourced near its reconstruction; every solver percentage above comes from the scoped database extracts, not from the commentators’ assessments. ### Heads-Up Poker Rules: Button, Blinds and the First Hand https://gtogecko.com/blog/heads-up-poker-rules In heads-up Hold’em, the button posts the small blind. The other player posts the big blind. The button acts first before the flop and last on the flop, turn and river. Dealing starts with the big blind, so receiving the first card and taking the first preflop action belong to different players. The first hand after a tournament drops from three players to two needs one extra check: which survivor should post the next big blind? Moving the button mechanically to the next occupied seat can get that hand wrong. The three-case table below makes the transition explicit. Keep deal order separate from action order The [Poker TDA’s published 2024 rules, Rule 34B](https://www.pokertda.com/view-poker-tda-rules/), put the heads-up small blind on the button and give that seat the last card of the initial deal. [PokerStars’ heads-up guide](https://www.pokerstars.com/poker/learn/news/strategy-to-play-heads-up-poker/) also confirms the change from first action preflop to last action on later streets. BTN means button, SB small blind and BB big blind. Scroll horizontally on a narrow screen if needed. Both players still have cards and chips available for betting. One ordinary two-player Hold’em hand Stage First Then Initial hole-card deal BB receives a card BTN/SB receives a card; repeat once Preflop action BTN/SB BB responds Flop, turn or river action BB BTN/SB responds “First” identifies who acts first on that street; it does not mean each player acts only once. A bet or raise may require another response. If someone folds, the hand ends. Once an all-in has closed betting, subsequent board cards create no further betting decisions. Posting the small blind is not a preflop call. In a synthetic heads-up hand with 100/200 blinds, no ante and 5,000 chips each before posting, the BTN/SB has posted 100 against the BB’s 200. To call, the button adds 100; checking is not an option while facing that difference. If the button calls, the BB may check or raise. If both reach the flop with betting still available, the BB acts first there, regardless of who raised preflop. The diagram restates the order table. On small screens it can be scrolled horizontally. The button marks the player’s position. In a staffed game it does not identify the person physically dealing the cards. From three players to two: the three elimination cases Our example starts with seats A, B and C in clockwise order . In the hand just completed, A had the button, B posted the small blind and C posted the big blind. Assume normal uninterrupted rotation before that hand, one elimination, full blinds and no seat moves or earlier button irregularity. Both survivors can post and have chips left to act. [Robert’s Rules of Poker, version 11, section 4 rule 3](https://www.pagat.com/docs/RobsPkrRules11.pdf), assigns the initial heads-up button to the survivor who posted the big blind most recently. TDA Rule 34B additionally says the button may need adjustment to prevent a player posting the big blind on consecutive hands when heads-up starts. We use that stated transition convention here; confirm the rules of the event you are playing. Read each row as a separate possible outcome of the same three-handed setup. Scroll horizontally if needed. Previous hand: A = BTN, B = SB, C = BB Player eliminated Next BTN/SB Next BB Why this survivor gets the button A (button) C B C just posted the BB. B (small blind) C A C just posted the BB. C (big blind) B A B posted the BB more recently than A. The third row is the easy one to misread. C is gone, so “give the last big blind the button” cannot mean handing it to C’s empty seat. Look back through the normal rotation: B was the big blind one hand before C, and A was the big blind before B. Of the two survivors, B is the more recent big blind. B therefore posts the small blind again, this time with the button. In the first row, advancing the old button from A straight to B would instead make C the big blind twice consecutively. Place the next BB at B and the heads-up BTN/SB at C. Once the first heads-up hand is correctly assigned, the two survivors exchange roles on each following hand. Completed rehearsal, with C eliminated: “First heads-up hand: B has BTN/SB, A has BB. Deal A–B–A–B. B acts first preflop. If they reach a flop with betting available, A acts first. Next hand: A has BTN/SB and B has BB.” Two players in a pot does not move the button Compare that transition with a three-player table where A, on the button, simply folds. B and C can play a heads-up pot , but A remains in the game for the next hand. B stays the small blind without the button. On the flop, B acts before C. For a study note, compare the small-blind role in the two setups: - Three players dealt in, button folds: the SB is not the button and acts first postflop. - Two-player table: the SB is the button and acts last postflop. Write “two-player table” or “two players left in this hand” at the top of a review. The word “heads-up” alone can conceal the distinction. Our [position guide](https://gtogecko.com/blog/poker-position-strategy) explains the strategic role of acting after an opponent; the transition table here only establishes who occupies each role. A short practice check before studying ranges Use three slips labeled A, B and C and a button marker. Set up the previous hand shown above, remove one seat, and write the next BTN/SB and BB without looking at the table. Then write four deal recipients, the first preflop actor and the first flop actor. Repeat with each different elimination. Check the individual labels rather than awarding yourself a vague “I know heads-up” score. For example, after B is eliminated, the correct first deal recipient is A, but the correct first preflop actor is C. Getting one right does not establish the other. If you miss a label, redo that case before adding hands or bet sizes. For the strategy that follows, see our [Spin & Go guide’s heads-up section](https://gtogecko.com/blog/spin-and-go-strategy). If rules and hand strength still need work, the [poker learning checkpoints](https://gtogecko.com/blog/what-to-learn-first-in-poker) offer a broader starting point. This reference supplies no opening range, shove threshold or claim about which hand to play. For continued off-table learning, [River’s official App Store listing](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420) describes short interactive lessons that progress from poker fundamentals into range and postflop concepts. River is part of GTO Solutions, the team publishing this article. The transition ledger here is our own teaching aid; we are not claiming that River teaches or validates these exact cases. Downloads, rule scope and limits The public ledger expands these three distinct role cases across three rotations of A/B/C. For each it lists the first heads-up hand and two subsequent hands: nine labeled cases and 27 hand rows . Those are constructed coverage checks, not a sample of real tournaments. No random seed or simulated cards are involved. Download the [transition CSV](https://gtogecko.com/data/heads-up-poker-rules/transitions.csv), [structured casebook](https://gtogecko.com/data/heads-up-poker-rules/results.json), [Python generator](https://gtogecko.com/data/heads-up-poker-rules/generate.py), [independent Node verifier](https://gtogecko.com/data/heads-up-poker-rules/verify.mjs), [reproduction instructions](https://gtogecko.com/data/heads-up-poker-rules/README.md) and [file checksums](https://gtogecko.com/data/heads-up-poker-rules/MANIFEST.sha256). The generator traces recent big-blind history; the verifier uses a separate three-case role table. Agreement checks the implementation of our declared convention, not every possible house rule. Cash-table departures, re-entry, table balancing, prior dead buttons and simultaneous eliminations need their own context. Do not apply the three-seat shortcut when its history assumptions are missing. For a live placement error, call staff promptly: TDA Rule 34A treats errors discovered before and after substantial action differently. This article does not adjudicate a hand already in progress or cover showdown order. Rules and official product sources checked September 5, 2026. The TDA page currently publishes its 2024 version; Robert’s Rules is cited specifically as version 11. Follow the rules adopted by your event. ### ICM Deals: What Changes When Money Is Left to Play For? https://gtogecko.com/blog/icm-deal-money-left-to-play If an ICM deal leaves money for the winner, the quoted guarantee and the winner prize are separate amounts. In a worksheet that removes the reserve from first place, calculate ICM on the reduced payout ladder. The winner later receives their agreed guarantee plus the reserved prize; the other players receive their guarantees. That distinction matters even when the arithmetic looks balanced. Reducing everybody's original ICM value by the same percentage can produce the right total while allocating it differently. This guide gives you a reproducible way to inspect the quote, using a synthetic three-player example rather than a real deal or a recommendation to accept one. First identify what remains contested A deal can settle only part of the prize pool. [PokerStars' tournament rules, section 8](https://www.pokerstars.com/poker/tournaments/rules/), allow money to remain for first place or other finishes and describe ICM figures based on payouts after money left in play is removed. The current [deal help page](https://www.pokerstars.com/help/articles/trn-deal-explanations/28392/) also says play continues until a winner is determined. Those pages do not specify every deduction and rounding convention for every event. Confirm the event's reserve, the finishes that receive it, and how it changes the payout inputs. The examples below explicitly subtract a winner-only reserve from the original first prize. They are not a claim that every operator computes its quote this way. Here, guaranteed means fixed by the agreed deal regardless of the player's eventual finish. It does not mean the operator transfers the money immediately. Nor do you add the original finishing prize again: the deal replaces the original allocation of the money being chopped. A $300 winner prize changes the guarantees Three players remain with 60,000, 25,000 and 15,000 chips . The remaining prizes are $1,200, $750 and $450 , a total of $2,400. Set aside $300 from first place. The ladder used to calculate the guaranteed ICM allocations becomes $900, $750 and $450 , totaling $2,100. We use the Malmuth–Harville ICM model: a player's first-place probability is their chip share; after assigning that finish, remove that stack and apply the same rule to the remaining players. Summing all six finishing orders gives the table below. These are model probabilities, not measured chances of winning. The recursion is documented in [Juho Kim's ICM paper, section II](https://arxiv.org/html/2506.00180v1); our [ICM introduction](https://gtogecko.com/blog/icm-poker-strategy) explains the basic calculation. On a narrow screen, scroll horizontally to compare the three amounts. The guaranteed column totals $2,100; the expected-contingent column totals $300. Synthetic USD; values displayed to cents Player / chips Original ICM value Guarantee if agreed ICM expected share of $300 A / 60,000 $991.76 $811.76 $180.00 B / 25,000 $763.24 $688.24 $75.00 C / 15,000 $645.00 $600.00 $45.00 Player A's ICM first-place probability is 60%, so removing $300 from first place reduces A's guaranteed allocation by 0.60 × $300 = $180 . B's reduction is $75 and C's is $45. Each player's reduction reflects their model share of that particular prize. A does not receive $180 of the reserve automatically. With the displayed guarantees agreed, A receives $1,111.76 if A wins and $811.76 otherwise. The three possible settlements make the distinction visible: On a narrow screen, scroll horizontally to compare every player's final payment. Final payments after the single $300 winner award Winner A receives B receives C receives A $1,111.76 $688.24 $600.00 B $811.76 $988.24 $600.00 C $811.76 $688.24 $900.00 Every row totals $2,400. Second versus third makes no payment difference in this winner-only-reserve fixture. Why a proportional haircut gives a different deal The reserve is 12.5% of the $2,400 pool. It may seem natural to retain 87.5% of every player's original ICM value. That produces guarantees of $867.79 for A, $667.83 for B and $564.38 for C , after rounding. Those numbers also total $2,100. Yet A's guarantee is about $56.03 higher than in the adjusted-ladder calculation, while B and C receive less. The reason is precise: multiplying every ICM value by 87.5% is equivalent to scaling every finish's payout by 87.5%. It is not equivalent to subtracting $300 solely from first place. This does not make a voluntarily agreed alternative split invalid. It means the label “ICM with $300 left for first” is not enough to identify the formula. Ask which payout ladder and deduction method produced the guarantees. The identity is about expectation, not certainty At the same ICM stack snapshot: Original ICM value = adjusted-ladder guarantee + ICM expected value of the reserved prizes. For a first-place-only reserve R, the expected reserved value is the player's chip share × R. The identity follows because an expected payout is a probability-weighted sum. Splitting each finish's payout into a reduced payout and a reserved part splits that sum in the same way. Our downloadable calculation checks the equality with exact fractions. It does not establish that playing on is equally attractive to every person, or that ICM predicts the actual outcome distribution. Skill, position and blind levels are absent from this model. A deal can also change incentives. The algebra holds with the probabilities fixed; it does not prove that the real continuation keeps those probabilities. If money remains for second place too Keep the same stacks and original prizes, but reserve $300 for first and $100 for second . The adjusted ladder is now $900, $650, $450 . The calculated guarantees are A $781.18, B $646.32 and C $572.50, totaling $2,000 after rounding. A finishes second in the model through two routes: B is assigned first place and the model selects A next, or C is assigned first place and the model selects A next. The probability is (25/100 × 60/75) + (15/100 × 60/85) = 26/85 , approximately 30.59%. A's reduction is therefore $180 plus $100 × 26/85, or $210.588235… , which rounds to $210.59. Subtracting the independently rounded displayed amounts ($991.76 − $781.18) gives $210.58 instead. This one-cent difference is display rounding, not a missing payout. The winner receives $300 extra and the runner-up $100 extra. Neither bonus belongs in every player's guaranteed total. Our fixtures keep the adjusted ladder nonnegative and in descending order. If a proposed reserve changes that ordering or exceeds a listed prize, stop and clarify the operator's actual inputs. Do not silently reorder finishes or substitute a different formula. A worksheet for checking a deal quote - Freeze the inputs. Record all remaining stacks and the original remaining payouts in one currency. - List each contested award. Write the amount and the finish that receives it. Keep bounties or other awards outside this worksheet unless their treatment is explicitly specified. - Record the calculation ladder. Confirm exactly where each reserve was deducted. Reproduce the proposed guarantee using that ladder. - Reconcile the whole pool. Sum all agreed guarantees, then add each contested award once. Compare with the money being distributed. - Write each actual outcome. “Guarantee plus $300 if first” is clearer than a single number mixing guaranteed cash and expected value. - Resolve the final cents. Display rounding can differ from settlement rounding. Confirm final guarantees and how any residual cent is assigned before relying on the quote. For an off-table exercise, cover the guarantee column, calculate the $300 reserve's effect, then explain why the proportional haircut disagrees even though both totals reconcile. For studying playing decisions under a tournament payout ladder, continue with the [final-table ICM strategy guide](https://gtogecko.com/blog/final-table-icm-strategy). Continue studying tournament payouts [ICM Trainer](https://gtogecko.com/icmtrainer/support), part of the same GTO Solutions portfolio as GTO Gecko, supports off-table study of available precomputed preflop scenarios with stack and payout context, as described in its [official store listing](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en_US&gl=US). Use it to study how tournament context changes available decisions. This article's deal worksheet is an independent calculation; it is not ICM Trainer output or a claim that the app calculates deals or accepts holdback inputs. Method, downloads and limits The [exact JSON results](https://gtogecko.com/data/icm-deal-money-left-to-play/results.json) retain all six finishing orders and their rational probabilities for each of three reserve vectors. The [nine-row CSV](https://gtogecko.com/data/icm-deal-money-left-to-play/casebook.csv) contains the allocation comparisons. Reproduce them with the standard-library [Python generator](https://gtogecko.com/data/icm-deal-money-left-to-play/generate.py), then run the independent [JavaScript verifier](https://gtogecko.com/data/icm-deal-money-left-to-play/verify.mjs). Instructions and checksums are in the [method note](https://gtogecko.com/data/icm-deal-money-left-to-play/README.md) and [artifact manifest](https://gtogecko.com/data/icm-deal-money-left-to-play/MANIFEST.sha256). This is deterministic model arithmetic, with no random sample, seed, app telemetry or real tournament observations. Dollar figures are synthetic and rounded independently for display; exact fractions govern the mathematical comparisons. Taxes, fees, prior payments, bounties, noncash awards and negotiated adjustments are excluded. No hand ranges, betting actions or gambling outcomes are recommended. Rules, mathematical sources and official product evidence checked September 5, 2026. Event procedures and product features can change; verify the specific event's quote and current official product information. ### Poker Cash Out: How to Check the Price of Certainty https://gtogecko.com/blog/poker-cash-out An all-in cash-out fee is the price of replacing an uncertain showdown award with a fixed amount. In a simple equity-based model, a $100 pot after rake and 50% equity are worth $50 in expectation. Deduct a 2% fee from that $50, and the fixed award is $49. The expected-dollar cost is $1. That comparison belongs at the moment of the offer, after betting has finished. Both alternatives must use the same eligible pot and the same information about the cards. It does not say whether the earlier shove was good, or whether certainty is worth $1 to you. This guide gives you an off-table way to check the arithmetic, including a trap: rounded equity can make a correct fee look wrong. Check the current terms before using an old percentage On September 5, 2026, the [PokerStars .com feature page](https://www.pokerstars.com/poker/all-in-cash-out/) states a 2% deduction from hand value, calculated after rake. It describes offers after cards are revealed with no action pending. Accepting ends your claim to the pot; declining leaves you contesting it, even if an opponent accepts. An older [PokerStars learning article dated July 1, 2020](https://www.pokerstars.com/poker/learn/news/how-to-use-the-cash-out-feature-to-reduce-variance-in-cash-games/) still says 1%. Use the current terms for your market and the actual offer, rather than importing that older percentage. The examples below use a declared 2% model where indicated; they do not establish another operator’s rules or verify a client’s settlement code. Keep three amounts separate Write down the pot before deductions, the amount remaining after rake, and your expected share of that remainder. Suppose the gross pot is $104, rake is $4, and your equity is exactly 50%. - Net pot: $104 − $4 = $100. - Expected showdown award: $100 × 0.50 = $50. - Cash-out fee: $50 × 0.02 = $1. - Fixed award: $50 − $1 = $49. For this example, a 2% fee is 1% of the net pot. It is not a two-percentage-point subtraction from equity: 50% × 98% = 49%, whereas 50% − 2 percentage points would give 48%. With 80% equity, the same fee removes $1.60 from a $100 net pot. The percentage base matters. The diagram restates the four amounts above. Scroll horizontally on a narrow screen to read the full ledger. The $1 fee reduces the expected award. The $4 rake was already removed before the cash-out comparison. In symbols, let N be the net pot, e your expected fraction of it, and f the fee rate. Then: Expected award V = N × e Fixed award C = V × (1 − f) Expected-dollar cost = V − C = V × f These are awards from the current pot, not whole-hand profits. If you previously contributed $52, the $49 award leaves a −$3 hand result; the $50 expected award corresponds to −$2. Subtracting the same sunk contribution from both sides preserves their $1 difference. Use the [rake-cap guide](https://gtogecko.com/blog/poker-rake-cap-math) to understand a rake schedule. Here, rake is an input already established for this pot. Do not subtract it again from a quote or pot figure that is already net of rake. The opposite mistake also matters: using $104 instead of $100 with 50% equity and a $49 quote would falsely suggest a 5.77% fee, because 1 − 49 ÷ 52 is about 0.0577. Equity means expected pot share, including splits For a single heads-up pot with equal splits, e = probability of winning outright + half the probability of tying. A synthetic 40% win, 20% tie and 40% loss distribution has 50% equity: 0.40 + 0.20 ÷ 2 = 0.50. Its expected award from $100 is $50, even though its outright-win probability is only 40%. In our model, using 40% would incorrectly produce a $39.20 quote instead of $49 at a 2% fee. This is a check on your own equity input, not a claim about how PokerStars implements tied hands . Its public formula does not document that detail. Ask what an equity display includes before treating “win” and “equity” as interchangeable. The accounting examples assume one pot with one eligible heads-up pair and no further deductions. Side pots, unequal eligibility, multiway splits and separate insurance contracts need their own settlement model. See [the equity guide](https://gtogecko.com/blog/poker-equity-explained) for the broader distinction between equity and betting value. What does the same fee cost at different equities? The following sensitivity check uses a $100 net pot throughout. The 1%, 2% and 5% columns are hypothetical fee settings, not a comparison of current poker rooms. Each cell shows the fixed award, followed by the expected-dollar cost in parentheses. Exact equity inputs; no ties are needed for these three rows. Scroll horizontally if needed. Fixed awards and costs from a $100 net pot Equity Expected award 1% fee 2% fee 5% fee 20% $20.00 $19.80 ($0.20) $19.60 ($0.40) $19.00 ($1.00) 50% $50.00 $49.50 ($0.50) $49.00 ($1.00) $47.50 ($2.50) 80% $80.00 $79.20 ($0.80) $78.40 ($1.60) $76.00 ($4.00) At fixed equity and fee, doubling the net pot doubles the dollar cost. At fixed pot and fee, a larger equity share also costs more dollars to cash out. Neither observation makes the percentage fee larger. Why a displayed 60% cannot prove the fee If N and e are exact, N × e is positive, and you have the unrounded quote C, you can rearrange the formula: f = 1 − C ÷ (N × e) . At zero expected award the division is undefined; there is no percentage fee to infer from this formula. Rounded display inputs also weaken the check. Here are three synthetic offers from the same $100 net pot and exactly the same 2% fee. We round equity to the nearest whole percent and the award to the nearest cent, with half values rounded up. These are worksheet conventions, not observed software behavior. Each underlying equity displays as 60%. “Apparent fee” incorrectly treats that display as exact. One actual fee, three apparent fees Exact equity Display Rounded quote Apparent fee 59.51% 60% $58.32 2.8% 60.00% 60% $58.80 2.0% 60.49% 60% $59.28 1.2% For the first row, $100 × 0.5951 × 0.98 = $58.3198, displayed as $58.32. Replacing 0.5951 with 0.60 gives 1 − $58.32 ÷ $60 = 2.8%. The discrepancy came from the input precision, not a different fee. A mismatching quote is a reason to check the inputs, not proof of an extra charge. Record all available precision, known cards, pot eligibility, deductions and the operator’s rounding rules. An equity estimate from a separate calculation can also differ because it conditions on different information or has sampling error. Our three-row example isolates display rounding; it is not a confidence interval for a Monte Carlo estimate. A five-field note for reviewing an offer Save this alongside the hand after the session: - Terms: operator, market, date and stated fee base. - Pot: gross amount, eligible pot and deductions; mark whether each figure is already net. - Equity: expected share, known cards and displayed precision. - Quote: fixed award, rounding information and your calculated award. - Conclusion: arithmetic matches, or a named input remains unresolved. For example, your note might read: “Net pot $100; equity display 60%; quote $58.32; stated fee 2%. Using the displayed equity gives $58.80, a $0.48 difference. Exact equity and rounding rules are missing, so the fee is not resolved.” The first row above supplies one consistent explanation; it does not prove that this was the operator’s input. A positive fee lowers expected dollars in the stated model. Whether paying for certainty fits a person’s preferences is a different question; this worksheet has no bankroll or utility model. Nor should the eventual river decide whether the quote was expensive. The comparison uses information available when the offer was made. [Running it twice](https://gtogecko.com/blog/running-it-twice-poker-ev) addresses a different choice: sharing the pot across multiple runouts. That linked study explains when expectation stays the same while variance changes. A paid fixed award introduces an explicit cost instead. Study the equity input, then audit the offer separately For off-table PLO5/PLO6 study, we recommend [OmahaCalc](https://apps.apple.com/us/app/omahacalc-plo5-6-poker-equity/id6759628690) for estimating equity from known hands and board cards. Its current US listing describes Monte Carlo calculations. GTO Gecko and OmahaCalc share GTO Solutions AS ownership. The app is a study tool; this article does not claim it quotes cash-outs or provides insurance. A simulated equity estimate is an input with uncertainty, not a verification of an operator’s offer. Reproduce the examples We constructed ten accounting cases and three precision examples; no customer hands or operator quotes were collected. The [fee ledger CSV](https://gtogecko.com/data/poker-cash-out/scenarios.csv), [rounding CSV](https://gtogecko.com/data/poker-cash-out/rounding.csv) and [JSON results](https://gtogecko.com/data/poker-cash-out/results.json) preserve the inputs and outputs. The standard-library [Python generator](https://gtogecko.com/data/poker-cash-out/generate.py) uses decimal arithmetic, and the independent [Node verifier](https://gtogecko.com/data/poker-cash-out/verify.mjs) checks them using integer arithmetic. Download the [method and reproduction instructions](https://gtogecko.com/data/poker-cash-out/README.md), [diagram source](https://gtogecko.com/data/poker-cash-out/award-flow.svg) and [integrity manifest](https://gtogecko.com/data/poker-cash-out/MANIFEST.sha256) with the data. There is no random seed because this is deterministic accounting, not a card simulation. Product and operator sources were accessed September 5, 2026; recheck terms before applying the arithmetic to a real offer. ### How to Use a Poker Randomizer Without Forcing a Quota https://gtogecko.com/blog/poker-randomizer To execute a 30% betting frequency, give each eligible attempt a fresh 30% chance of betting. With a uniform random integer from 1 to 100, one valid rule is “bet on 1–30; check on 31–100.” Set the rule before drawing, use the first draw, and keep the same probabilities when the decision is unchanged. That does not mean you must bet exactly three times in the next ten attempts. In our exact teaching calculation, independent 30% draws produce precisely three bets only 26.68% of the time . A shuffled pack containing three “Bet” cards and seven “Check” cards guarantees the count, but changes the chance of the next action as cards are used. This guide is an off-table practice exercise: how to execute a frequency you have already chosen. A randomizer does not tell you whether that frequency is a good poker strategy. First identify what the percentage describes A solver frequency can describe an action for one exact hand at a particular decision point. It can also be an aggregate across a range. Those are different inputs. If a range bets 30% overall, some hands might bet every time and others never; you cannot assign 30% to every hand from that aggregate alone. [PioSOLVER’s official explanation of strategy and EV](https://piosolver.com/docs/faq/gto_concept/) defines action probabilities for a particular hand at a node. Use our [guide to reading solver output](https://gtogecko.com/blog/how-to-use-poker-solver) if you still need to identify the relevant hand, action or decision. For the examples below, “another attempt” means another practice execution of the same supplied policy. The 30% number is synthetic; it is not a recommendation for a particular Omaha or Hold’em hand. A different board, hand, stack or action history may require a different policy. Updating for relevant poker information is different from increasing the betting chance because the last few random draws said “Check.” Map the actions before you draw A random number generator, or RNG, supplies a number. Your interval rule turns that number into an action. Poker training tools use this approach; for example, [GTO Wizard’s trainer documentation](https://help.gtowizard.com/how-to-use-the-trainer/) describes RNG-based action selection. The mapping below is our own teaching convention, not a claim about any app’s default ordering. All endpoints are inclusive. On a narrow screen, scroll the table horizontally if needed. Two example policies using 100 equally likely integers Supplied policy Integer interval Action 30% bet / 70% check 1–30 Bet Same two-action policy 31–100 Check 40% small / 35% large / 25% check 1–40 Bet small Same three-action policy 41–75 Bet large Same three-action policy 76–100 Check For the three-action example, 40 means small, 41 means large, 75 still means large, and 76 means check. Every possible integer belongs to exactly one action. You may reverse the ordering if you prefer; preserve the interval sizes and commit to the convention before seeing the number. Synthetic completed practice entry: “My supplied policy is 40% small, 35% large, 25% check. I recorded the intervals above before drawing. My first number was 73, so I selected Bet large. Execution: correct, because 73 is in 41–75. Strategy review: still separate; this record does not show that the supplied policy was right for the spot.” Check the generator’s endpoints. Integers 0–99 also give 100 outcomes, but inclusive integers 0–100 give 101. “Bet on 0–30” would select 31 of those 101 outcomes, about 30.69%, rather than 30%. A 1–100 integer map also has one-percentage-point steps: it cannot reproduce 33.3% exactly. A uniform 1–1,000 map can assign 333 outcomes to that number, but extra randomizer precision does not establish extra solver accuracy. If you round a displayed mix, record the rounded policy you are actually practicing. The procedure assumes that each integer is equally likely and fresh draws are independent. Merely displaying a number does not establish either property. Avoid rerolling because you dislike the selected action or moving the cutoff after seeing the number; both change how actions are selected. A pure 100% action needs no random draw. A short run does not owe you the target count For ten independent attempts with a fixed 30% Bet probability, the expected count is three. “Expected” is a probability-weighted average across possible blocks, not a required result for each block. The [NIST binomial formula](https://itl.nist.gov/div898/handbook/eda/section3/eda366i.htm) gives the chance of exactly three: 120 × 0.3³ × 0.7⁷ = 0.266827932, or about 26.68%. There are 120 placements for three bets among ten attempts. Each such sequence has three Bet factors of 0.3 and seven Check factors of 0.7. Adding them gives the result. Zero bets occurs with probability 0.7¹⁰, about 2.82% . These figures come from an exact model, not a test of a commercial randomizer. If the first three draws all produce checks, the next draw still has a 30% Bet chance under this procedure. If they all produce bets, the next chance is also 30%. You do not need to “catch up” after checks or “save” remaining bets after a streak. Review whether you followed the mapping on each attempt. A streak alone does not distinguish normal variation from a faulty generator or an execution error. For example, a recorded roll of 73 followed by Check under our three-action map is an execution error regardless of the recent action count. If your question is instead how much an observed opponent statistic tells you about an unknown tendency, see [poker stat sample size](https://gtogecko.com/blog/poker-stat-sample-size). Why a shuffled quota is a different procedure Now make ten cards: three labeled Bet and seven labeled Check. Shuffle them uniformly and draw without replacement. Even this randomized quota has a 30% Bet chance at each numbered position before any cards are seen . However, once you observe earlier cards, its remaining composition matters. After three checks, all three Bet cards remain among seven cards: the next Bet chance is 3/7, about 42.86%. After three bets, no Bet cards remain: the next chance is zero. More generally, after t draws containing b bets, the remaining chance is (3 − b) / (10 − t) , for a possible history with fewer than ten draws. The shuffle was random; the later draws are still dependent because the cards are not replaced. The table compares the same two teaching policies after specified histories. “Previous attempts” are within the known ten-attempt block. Chance the next action is Bet Observed previous attempts Fresh independent draw Shuffled three-bet quota None 30% 30% First three all Check 30% 42.86% (3/7) First three all Bet 30% 0% First nine: two Bets, seven Checks 30% 100% First nine: three Bets, six Checks 30% 0% Diagram: the first-three-action comparison from the table. Scroll horizontally on a narrow screen. The starting percentage matches; the next decision after an observed history does not. Exact values and the one-attempt-remaining cases appear in the preceding table. What an observer could predict in this toy exercise Suppose an observer knows the policy, the block boundary and every previous action, but cannot see the next draw or the remaining shuffled order. The observer guesses whichever next action is more likely. For fresh 30% draws, guessing Check succeeds 70% of the time at every position. For the shuffled quota, that rule succeeds 74.67% on average across the ten positions ; at the final position it succeeds 100%, because the remaining card is determined. Our [exact results](https://gtogecko.com/data/poker-randomizer/results.json) contain the position-by-position calculation. This is action-prediction accuracy, not poker win rate, EV loss or measured exploitability . Real opponents do not usually observe your private hand or know which actions belonged to repeated eligible practice decisions. The exercise demonstrates conditional dependence, not a claim that someone can exploit a particular player for a measured amount. A compact execution check for your next study session - Record the input. Write the exact decision, the supplied action frequencies and any rounding. Keep range-wide percentages separate from the hand you are practicing. - Audit the intervals. Confirm the endpoints, count each action’s integers and check for gaps or overlaps. The downloadable [100-row mapping sheet](https://gtogecko.com/data/poker-randomizer/mapping.csv) lists every outcome in our two examples. - Draw once and follow the mapping. Log the number and the selected action. When reviewing execution, check the row that applied; do not grade it by whether your last ten actions look balanced. - Review the strategy separately. If the chosen frequency seems wrong for the spot, revisit the solve or your assumptions. Correct execution of a poorly chosen policy is still poor strategy. For off-table Omaha practice, [PLO Gecko](https://gtogecko.com/plo-edge) includes RNG dice for mixed-strategy training, as described in its [official App Store listing](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) . Use the app’s displayed action intervals when practicing there. PLO Gecko is part of GTO Solutions, the team publishing this article. Our model is not a measurement of the app’s random generator or a description of its rounding algorithm. Method, downloads and limits We enumerate all 1,024 binary sequences of length ten. Under the independent policy, a sequence with k Bets receives weight 0.3ᵏ × 0.7¹⁰⁻ᵏ. Under the quota policy, the 120 sequences with exactly three Bets each receive weight 1/120; all others receive zero. We sum exact rational weights, then round percentages only for display. There is no sampling seed or Monte Carlo error. Download the [reproduction instructions](https://gtogecko.com/data/poker-randomizer/README.md), [complete weighted sequence CSV](https://gtogecko.com/data/poker-randomizer/sequences.csv), [JSON summaries](https://gtogecko.com/data/poker-randomizer/results.json), [Python generator](https://gtogecko.com/data/poker-randomizer/generate.py), independent [Node verifier](https://gtogecko.com/data/poker-randomizer/verify.mjs) and [file checksums](https://gtogecko.com/data/poker-randomizer/MANIFEST.sha256). The verifier uses combinatorial formulas and checks the exported sequences and all 100 interval assignments. [Philip Stark’s probability notes](https://www.stat.berkeley.edu/~stark/Teach/S240/Notes/ch2.htm) give the mathematical background for independent Bernoulli draws and sampling without replacement. This calculation contains no dealt poker hands, betting tree, stack depth, position, rake, tournament payout or opponent response. It does not establish an equilibrium strategy, a cost of simplifying a solve, a product’s RNG quality, or a general requirement that every possible strategy implementation use independent draws. It checks this specific fresh-draw procedure against this specific finite quota. Primary documentation and official product evidence checked September 5, 2026. Product features can change. This walkthrough concerns off-table study and makes no claim about permission to use outside tools during play. ### Poker Showdown Order: Who Shows First? https://gtogecko.com/blog/poker-showdown-order Under the tournament baseline below, if a non-all-in Hold’em showdown needs an enforced order, the last river bettor or raiser shows first. If the river checks through, use the first remaining player clockwise after the button. A turn bet does not carry that priority into a checked river. [PokerStars’ showdown-order explanation](https://www.pokerstars.com/help/articles/poker-rules-master/) also gives this river-based distinction. A contested tournament all-in uses a different starting question: has all betting for the hand finished? Under [2026 WSOP tournament Rule 70](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), remaining hands turn face up when someone is all-in and betting is complete. That can happen before the river. An uncalled shove that makes everyone fold has no showdown. This guide uses ordinary Hold’em and the [published 2024 Poker TDA rules](https://www.pokertda.com/view-poker-tda-rules/) as its tournament baseline. Confirm the event’s adopted rules; a cash room or online client can have different procedures. Special [hand-for-hand reveal holds](https://gtogecko.com/blog/hand-for-hand-poker-rules) can also require waiting for staff. Our examples assume no such hold and are constructed review exercises, not reported hands or official rulings. Find the fact that changes the answer Write the last action before deciding who should show. “I called” leaves out the street, any subsequent raise, whether someone was all-in and whether other players could still bet. Those omissions can put the same sentence into different branches. Use the sequence to organize a hand history. The examples below supply the action and the applicable rule profile. Pair 1: the same bettor, a different final street A sits immediately clockwise after the button; B is next. Only A and B remain. Neither is all-in. Both retain their cards and neither volunteers to show. Each row starts a separate synthetic hand. On a narrow screen, scroll the table to read the answer column. Change the river record, then identify who shows first Case Action record First to show if order is enforced R1 River: A checks, B bets, A calls. B R2 Turn: A checks, B bets, A calls. River: A checks, B checks. A R3 River: A bets, B raises, A calls. B R1 and R2 differ in the street carrying B’s bet. R3 checks another common recording error: the first bettor and the last aggressor need not be the same person. These applications follow [PokerStars’ worked explanation of final-round aggression](https://www.pokerstars.uk/poker/learn/news/who-shows-cards-first-at-the-showdown-in-poker/). Here, “aggression” means a bet or raise, not a call. The order resolves a pause; it need not create one. PokerStars’ same guide encourages promptly revealing an unbeatable hand instead of waiting to surprise an opponent. If you are unsure who starts, keep your cards protected and ask the dealer. Pair 2: one player is all-in, but is betting over? In A1, A moves all-in on the flop and the only opponent, B, calls. In A2, B and C have both called A’s flop all-in, retain chips and can bet on later streets. Assume an ordinary tournament under the WSOP Rule 70 profile. These are separate hands. The second row is an intermediate state, not a showdown. An all-in flag does not establish betting completion Case Current state What follows A1 A all-in; B has called; nobody else remains. Expose both hands before the remaining board cards. A2 A all-in; B and C can still bet. The all-in reveal trigger has not yet been reached. A3 Continuing A2: B bets the turn, C calls; both check the river. Expose A, B and C, including main-pot-only A. For A3, the [TDA Rule 16 illustration](https://www.pokertda.com/view-poker-tda-rules/) explicitly includes main- and side-pot hands. Pot eligibility and exposure are separate questions. See our [side-pot guide](https://gtogecko.com/blog/side-pot-equity-calculation) for contribution-based eligibility; this casebook does not calculate awards. Showing, claiming and requesting are separate questions Under TDA Rule 13, table both Hold’em hole cards face up and clearly readable. Rule 19 applies even when your best five cards are on the board. Saying “I play the board” is not a substitute. [WSOP Rule 72](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) allows a non-all-in pot to go to the only live hand without showing. Our C1 example assumes the others discarded face down without tabling; it does not resolve a previously tabled winning hand. The same rule contains a penalty provision for refusing to show and intentionally mucking. Leave that dispute to the floor. Now change only the caller’s card status. Under TDA Rule 18, a river caller who keeps or tables their cards can request the last aggressor’s hand. A caller who discarded face down without tabling loses that right. Requests concerning another caller, or a river without a bet, are discretionary. These are rule distinctions, not a recommendation to pursue information after every pot. A review sheet you can actually fill in Our [printable showdown review sheet](https://gtogecko.com/data/poker-showdown-order/review-sheet.html) separates facts from conclusions. Complete it after a session or with a constructed hand: - Name the ruleset. Record tournament or cash, organizer, document and date. Leave an unknown rule unresolved. - Locate the players. Mark the button and remaining seats clockwise. - Record the final action. Include the street, last bet or raise, response and anyone still able to bet. - Record the cards. Note who retained, tabled or discarded them; do not infer this from a reported hand value. - State one conclusion. Exposure timing, who shows first, claim to a pot or request to see a hand—which question are you answering? Completed R2 entry: PokerStars’ cited river-order profile; A before B clockwise after the button; B bet the turn and A called; both checked the river; neither all-in; both retained cards. Question: who starts an enforced show order? Answer: A. The entry includes the reason, so a reviewer can spot a missing river check instead of merely marking “A” correct. For off-table practice, we recommend [Felted’s completed offline hand action logs and street-by-street replay](https://apps.apple.com/us/app/felted-texas-holdem-poker/id6759221162) to reconstruct betting sequences before filling in the sheet. GTO Gecko and Felted share the GTO Solutions team. The worksheet is our separate editorial tool; app animation order does not establish a live venue’s rule. Sources and casebook The [casebook](https://gtogecko.com/data/poker-showdown-order/cases.json) preserves the six action examples plus four card-status checks; [CSV](https://gtogecko.com/data/poker-showdown-order/cases.csv) makes them easy to compare. The [method note](https://gtogecko.com/data/poker-showdown-order/README.md) explains source mapping, review and limits. The [diagram](https://gtogecko.com/data/poker-showdown-order/review-flow.svg) and [file manifest](https://gtogecko.com/data/poker-showdown-order/MANIFEST.sha256) are also available. Run the [casebook verifier](https://gtogecko.com/data/poker-showdown-order/verify.py) to check file integrity and CSV/JSON agreement; source review remains a human task. Primary rules and product details were checked September 5, 2026. This is a procedural reference, not a strategy simulation: it estimates no equity or financial return and does not model damaged cards, disputed retrieval, penalties or every house exception. For synchronized tournament pauses and bustout ranking, use the separate [hand-for-hand rules guide](https://gtogecko.com/blog/hand-for-hand-poker-rules). ### Why Can a Poker Solver Play the Same Hand Differently by Suit? https://gtogecko.com/blog/poker-solver-suit-frequencies A poker solver can play two equal-rank combinations differently because a hand-class label hides physical-card relationships. Suits themselves are interchangeable labels, but which suit a hand shares with the board and each range is part of the game state. On one fixed flop, changing A ♥ 5 ♥ to A ♠ 5 ♠ can change future flush paths, exact card removal, legal matchups, and each combination's role inside the range. That is not the same test as renaming hearts to spades everywhere. In our synthetic audit, a complete suit relabel—hearts↔spades everywhere—reproduced every mapped strategy, value, matchup-mass, and exploitability field at the retained precision, while a fixed-board comparison produced a 22.09-percentage-point betting split. The actions were still almost tied in EV, so the frequencies are evidence to investigate—not numbers to copy. This article publishes the full experiment: a deliberately small game, exact physical-card ranges, three convergence checkpoints, raw solver output, a deterministic chart, the source harness, and a separately written verifier. The result answers a diagnostic question. It does not prescribe how often to bet ace-five in a real game or certify every solver implementation. Disclosure: GTO Solutions AS publishes GTO Gecko and this article. The experiment was run separately with a pinned open-source solver on synthetic ranges; it is not a GTO Gecko production solution or a product benchmark. The Short Answer: Suit Labels Are Not Suit Relationships Spades are not stronger than hearts. Rename every heart as a spade and every spade as a heart—consistently across the board, both players' weighted ranges, the focal hand, and all future cards—and the renamed game has the same strategic structure. This is a global suit isomorphism . Kevin Waugh's original [hand-isomorphism paper](https://www.cs.cmu.edu/~waugh/publications/isomorphism13.pdf) formalizes how suit permutations can map strategically equivalent poker states to one canonical representation. Now keep the board fixed and change only one hole-card combination. That is usually not a relabel. A heart in the hand may share a suit with a heart on the board, remove a heart from an opponent's range, or unlock a runner-runner heart flush. The corresponding spade may do none of those things. The ranks match, but the complete states do not. The distinction in one line Global relabel: every heart and spade changes together. Within-node comparison: the board and ranges stay fixed while A ♥ 5 ♥ is compared with A ♠ 5 ♠ . Only the first operation proves suit equivalence. The Controlled Node: What We Froze The audit uses heads-up, no-limit Hold'em chip EV on the flop. The pot starts at 100 chips and both players have 100 chips behind. There is no later-street betting, and there is no rake, ante, or ICM. Out of position checks; in position may check or bet 75 chips; facing that bet, out of position may fold or call. Every legal turn and river is still evaluated exactly to showdown. The focal board is Q ♣ 7 ♥ 2 ♦ . The out-of-position range is exactly A ♥ J ♥ and A ♠ J ♠ , each with weight 1. The in-position range is exactly K ♥ Q ♥ , K ♠ Q ♠ , A ♥ 5 ♥ , and A ♠ 5 ♠ , each with weight 1. These tiny ranges make every relevant card relationship inspectable. They do not resemble a recommended real-game range. The full relabel is the negative control. The fixed-board and range-weight changes deliberately break isomorphism. The range-weight panel uses the separate Q♣ 7♥ 7♠ control. Frequency is read beside EV and convergence, never alone. Test 1: Freeze the State and Enumerate Future Cards On Q ♣ 7 ♥ 2 ♦ , both ace-five combinations are ace-high. Their future-card trees differ. A ♥ 5 ♥ already shares hearts with the flop, so two more hearts can complete a flush. A ♠ 5 ♠ sees no spade on the flop; two further spades would leave only four spades among its seven cards. The independent enumerator lists all 1,081 unordered, legal turn-river pairs for each hand. Exactly 45 complete an ace-five heart flush, or 4.1628%. None complete an ace-five spade flush. That count establishes one real difference in the runout trees. It does not establish that the entire betting-frequency gap is “worth 45 runouts”: straight paths, board pairing, card removal, both ranges, and the full payoff tree are evaluated together. Narrow screen? Scroll horizontally to compare the runout, frequency, and EV columns. Tight checkpoint on Q♣ 7♥ 2♦ after OOP checks IP combination Runner-runner flush runouts Bet 75 frequency Bet EV Check EV Mixed EV A♥5♥ 45 / 1,081 (4.1628%) 71.9585% 21.568436 chips 21.565655 chips 21.567654 chips A♠5♠ 0 / 1,081 49.8732% 16.110989 chips 16.111110 chips 16.111050 chips The two hands' same-node mixed EVs differ by 5.456604 chips at the tight checkpoint. That cross-hand value contrast shows that the physical combinations are not equivalent in this toy node; it is neither the margin between betting and checking nor the isolated value of the backdoor-flush path. The within-hand action margins are much smaller: bet minus check is +0.002781 chips for A ♥ 5 ♥ and −0.000121 chips for A ♠ 5 ♠ . In this constructed tree, both betting decisions are near indifferent even though the displayed frequencies look far apart. Test 2: Relabel the Whole Game A fair control applies one bijection everywhere. We swapped hearts and spades, left clubs and diamonds fixed, mapped Q ♣ 7 ♥ 2 ♦ to Q ♣ 7 ♠ 2 ♦ , moved both ranges and their weights, and mapped every future card and output label. We did the same for the separate range-weight experiment. For this audit, a claimed global mapping has to pass all five checks: - Every public card maps under the same one-to-one suit permutation. - The focal physical combination maps under that permutation. - Every physical combination in both ranges maps with its weight preserved. - Every legal chance branch maps to a branch with the same probability and payoff rules. - Outputs are compared only after their combination labels are mapped too. Ranks, action tree, pot, stacks, and rules stay fixed. This test changes names without changing relationships. Recoloring selected cards independently is not a suit permutation and cannot establish strategic equivalence. The verifier performs nine mapping checks: three hearts↔spades self-map checks inside the symmetric scenario, plus three checkpoints for each of the two original/relabelled scenario pairs. Across solver-reported exploitability, strategy frequency, action EV, mixed EV, and weighted legal-matchup mass, the maximum residual was 0.000000 in retained numeric precision. Iteration counts also happened to match inside each relabelled pair. Environment-specific runtimes were excluded and did differ. That is the behavior the global relabel predicts without pretending every raw receipt field is invariant. The check matters because comparing A ♥ 5 ♥ with A ♠ 5 ♠ while leaving Q ♣ 7 ♥ 2 ♦ unchanged is not a failed isomorphism test. It is a deliberately non-isomorphic comparison. One heart on the board stays a heart, so the mapping was never applied to the complete state. Test 3: Break Isomorphism on Purpose A useful diagnostic needs a positive control: an input change that should create a suit difference. We used the hearts/spades-symmetric board Q ♣ 7 ♥ 7 ♠ , then reduced only A ♠ 5 ♠ 's in-position range weight from 1.0 to 0.2. All other physical combinations retained weight 1. The public relabel control moves that 0.2 weight with the hand, as a true mapping requires. After IP bets at the tight checkpoint, A ♥ J ♥ blocks the common A ♥ 5 ♥ bluff candidate, while A ♠ J ♠ blocks the downweighted A ♠ 5 ♠ . The compatible betting-range composition is therefore different. A ♥ J ♥ folds 100%; its call EV is −21.659782 chips. A ♠ J ♠ calls 72.3803%; its call EV is −0.000565 chips, essentially tied with the engine's node-relative fold value of zero. Narrow screen? Scroll horizontally to compare both blocked-candidate rows. Tight range-weight control after check, bet 75 OOP combination Blocked IP candidate Call frequency Call EV Weighted legal-matchup mass A♥J♥ A♥5♥ at weight 1.0 0.0000% −21.659782 chips 2.2000000 A♠J♠ A♠5♠ at weight 0.2 72.3803% −0.000565 chips 2.7148538 “Weighted legal-matchup mass” is the focal hand's reach weight multiplied by the sum of compatible opponent reach after card collisions. At this response node, A ♥ J ♥ can face the two weight-1 queen pairs plus the weight-0.2 spade ace-five that bets, so its mass is 1 + 1 + 0.2 = 2.2 . A ♠ J ♠ can face those queen pairs plus A ♥ 5 ♥ , whose solved bet frequency is 0.7148538, giving 1 + 1 + 0.7148538 = 2.7148538 . These are unnormalized post-action masses, not probabilities. The call-EV split follows the solved betting-range composition produced by weights and card removal together; it is not a linear standalone effect of changing one weight. The 72.3803% mixture is not a transferable defense frequency. This control illustrates a point from PioSOLVER's official explanations of [range weight, real frequency, and matchups](https://piosolver.com/docs/viewer/numbers_in_piosolver/): a displayed strategy belongs to a physical combination inside two weighted ranges. Exact card removal changes which opposing combinations remain compatible. Test 4: Tighten the Solve and Read Action EV The solver was stopped at three declared whole-game exploitability targets: 0.1, 0.01, and 0.001 chips. In a 100-chip starting pot, those labels are also 0.1%, 0.01%, and 0.001% of that starting pot. Exploitability is a strategy-level best-response measure; it is not a guaranteed error bar for one hand's frequency or EV. Narrow screen? Scroll horizontally to compare all convergence columns. Fixed-board result across increasingly strict exploitability targets Target Achieved Iterations A♥5♥ bet A♠5♠ bet Gap A♥5♥ bet − check EV A♠5♠ bet − check EV 0.1 chips 0.08032417 150 71.5319% 49.6767% 21.8553 points −0.015822 −0.945258 0.01 chips 0.00879097 820 72.0058% 49.9847% 22.0211 points −0.022700 −0.003299 0.001 chips 0.00095939636 10,090 71.9585% 49.8732% 22.0853 points +0.002781 −0.000121 The global relabel remains exact at every checkpoint, while the intentional fixed-board split persists. But the action-EV column changes the interpretation: the spade hand's −0.945258-chip gap at the loosest checkpoint contracts to −0.000121 chips at the tightest. Reading only the first frequency table would hide that convergence story. The foundational [counterfactual regret minimization paper](https://proceedings.neurips.cc/paper_files/paper/2007/file/08d98638c6fcd194a4b1e6992063e944-Paper.pdf) proves an approximation result for average strategies in finite, two-player, zero-sum extensive games with perfect recall. It does not make every finite printed frequency exact. PioSOLVER's current [concept documentation](https://piosolver.com/docs/faq/gto_concept/) likewise explains that current-solution EVs come from an approximate opponent strategy and that actions mixed at perfect equilibrium have equal EV. No primary source we reviewed provides a universal “frequency differences below X% are noise” rule. What the Range-Weight Control Adds The board control changes future-card relationships; the range-weight control changes reach composition. Together they show why “same ranks” is an incomplete unit of solver analysis. A physical combo's value depends on the public cards, the betting tree, its own reach, the other player's reachable combinations, and the legal runouts. Its frequency also serves the whole strategy rather than the isolated hand. This is why a 13×13 hand-class grid is excellent for orientation but insufficient for debugging suit splits. It merges combinations whose suits may block different value or bluff regions. Export combo-level ranges and weights at the actual node. PioSOLVER's official [UPI documentation](https://piosolver.com/docs/upi/commands/) makes the same mapping boundary concrete: its display-suit swap acts on the original board and affects range inputs and outputs, rather than recoloring one selected hand. Also resist a tempting reverse inference: equal action EV does not guarantee one unique frequency table. Some zero-sum games admit multiple equilibrium strategies with the same value; Geoff Gordon's author-maintained [one-card poker example](https://www.cs.cmu.edu/~ggordon/poker/) gives a concrete poker case. That is a possible explanation for a persistent mapped frequency difference, not a diagnosis of this Hold'em node. First verify the map, input ranges, runouts, labels, precision, and convergence. Use the Four Tests on Your Own Output - Freeze the entire node. Record game, positions, action history, board, pot, effective stack, rake or ICM treatment, legal sizes, exact combo-level ranges, and weights. A screenshot of one hand is not enough. - Enumerate the relationships. Check legal opponent matchups and future-card branches. Name the actual card removed or runout gained instead of saying one suit is “better.” - Write and verify one global permutation. Apply it to the board, both weighted ranges, focal combo, every chance card, and output labels. If any item lacks a counterpart, you have not established isomorphism. - Tighten and compare values. Keep at least three checkpoints. Record whole-game exploitability in units, each action's EV, mixed EV, frequency, and range composition. Look for stability and repeatability rather than inventing a universal percentage tolerance. How to classify the result - The inputs do not map: the states are not established as isomorphic. Locate the unmatched board card, range weight, legal matchup, or runout before reading output parity. - The inputs map and the mapped outputs agree: the relabel control passes at that checkpoint and retained precision. - The inputs map and output gaps shrink as the solve tightens: incomplete convergence is the leading explanation. - Mapped EVs agree but frequencies differ: rerun and inspect tie-breaking or equilibrium selection; do not declare a bug from frequency alone. - The inputs map but mapped values remain materially different: recheck output labels, convergence, precision, export, and implementation. Treat it as a bug candidate until isolated. For the study skill behind this workflow, see our guides to [reading solver output without memorizing every mix](https://gtogecko.com/blog/how-to-use-poker-solver), [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers), and [board-texture relationships](https://gtogecko.com/blog/board-texture-strategy). What This Experiment Cannot Prove This is one constructed heads-up chip-EV game with six total weighted physical combinations and a restricted bet tree. There are no raises, later-street bets, rake, antes, ICM, multiway players, or population tendencies. The narrow design makes the audit transparent; it also prevents the resulting frequencies from transferring to an ordinary cash or tournament hand. The experiment uses one pinned open-source implementation, [b-inary/postflop-solver commit 9d1509f](https://github.com/b-inary/postflop-solver/tree/9d1509fe5077d019825f833eed04b16d342dfda1), with sequential execution and mostly f32 internal numeric storage plus selected f64 summations. Its repository says open-source development has been suspended since 2023. We pin it for reproducibility, not current support. A clean rebuild reproduced all non-runtime output fields, and an independent verifier checked the retained results, but neither check establishes how another engine behaves. The 45 heart-flush runouts are not a causal decomposition of the 22.09-point split. The 71.9585% and 49.8732% strategies are not advice. The tight solve remains finite, the actions are nearly indifferent, and whole-game exploitability does not bound error for a single combination. Finally, exact agreement in this harness does not certify any proprietary solution library. Where GTO Gecko Fits GTO Gecko is off-table educational poker study software for reviewing available precomputed preflop and postflop scenarios. Its current US store listings describe range views, available actions, mixed frequencies, EV estimates, range composition and hand-combination views, simulated practice, explanations, reports, and progress tracking. See the current official listings on the [US App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). The practical connection is the reading habit: treat a displayed mix as the start of a question. Compare exact combinations, action EVs, range composition, board relationships, and the solution's stated configuration. GTO Gecko does not run this public harness in the app, and this article does not promise an arbitrary custom node or live solve. Our separate explanation of [how available GTO Gecko solutions are organized and checked](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) covers the product's own data workflow. Method, Downloads, and Independent Check The retained harness used Rust 1.85.0 and version 0.1.0 of the pinned engine. The engine and linked harness are published here under AGPL-3.0-or-later with source and license. Fifteen runs cover five scenarios at three targets. Total retained solve-and-finalize time was 30.958 seconds, excluding the initial compilation. A clean locked rebuild reproduced every non-runtime field, and a separately written verifier checked the retained mapping and outputs. The public Node.js generator parses the frozen result, independently enumerates runouts, checks all mapped pairs, and derives the CSV and accessible SVG. The Python standard-library verifier does not import the JavaScript or Rust. It rechecks card legality, range weights, three convergence levels, complete hearts↔spades mappings, all 1,081 runouts per focal hand, CSV values, SVG safety and accessibility, and every manifest hash. Passing proves the published files agree with this retained experiment; it does not prove that the model describes a reader's game. - [Method, exact configuration, reproduction commands, and limitations](https://gtogecko.com/data/poker-solver-suit-frequencies/README.md) - [Complete retained configuration and combo-level outputs for all 15 runs](https://gtogecko.com/data/poker-solver-suit-frequencies/experiment.json) - [Article-facing result table](https://gtogecko.com/data/poker-solver-suit-frequencies/suit-audit.csv) and [deterministic four-test diagram](https://gtogecko.com/data/poker-solver-suit-frequencies/suit-audit.svg) - [Node.js transformer and mapping checker](https://gtogecko.com/data/poker-solver-suit-frequencies/generate.mjs) and [independent Python verifier](https://gtogecko.com/data/poker-solver-suit-frequencies/verify.py) - [Pinned harness manifest](https://gtogecko.com/data/poker-solver-suit-frequencies/solver-harness/Cargo.toml), [lockfile](https://gtogecko.com/data/poker-solver-suit-frequencies/solver-harness/Cargo.lock), [source](https://gtogecko.com/data/poker-solver-suit-frequencies/solver-harness/src/main.rs), and [engine license](https://gtogecko.com/data/poker-solver-suit-frequencies/solver-harness/LICENSE) - [SHA-256 integrity manifest](https://gtogecko.com/data/poker-solver-suit-frequencies/MANIFEST.sha256) If the discrepancy is between a whole-range equity and an average of individual hand equities, use the separate [range-equity aggregation audit](https://gtogecko.com/blog/range-vs-range-equity). Its complete river matrix shows how compatible opponent mass changes the weights used to combine conditional hand equities. Sources - Kevin Waugh, [A Fast and Optimal Hand Isomorphism Algorithm](https://www.cs.cmu.edu/~waugh/publications/isomorphism13.pdf) (2013). Primary source for strategically equivalent poker states under suit permutations. - Martin Zinkevich, Michael Johanson, Michael Bowling, and Carmelo Piccione, [Regret Minimization in Games with Incomplete Information](https://proceedings.neurips.cc/paper_files/paper/2007/file/08d98638c6fcd194a4b1e6992063e944-Paper.pdf) (2007). Primary source for CFR reach probabilities, counterfactual value, and the scoped approximation guarantee. - PioSOLVER, [UPI commands](https://piosolver.com/docs/upi/commands/), [calculation and strategy concepts](https://piosolver.com/docs/faq/gto_concept/), and [viewer numbers](https://piosolver.com/docs/viewer/numbers_in_piosolver/). Current official documentation used for display-suit mapping, current-solution EV, reach ranges, real frequency, and matchup definitions; accessed September 5, 2026. - Geoff Gordon, [one-card poker equilibrium example](https://www.cs.cmu.edu/~ggordon/poker/). Author-maintained primary material used only to support the general possibility of non-unique poker equilibrium strategy tables. - [b-inary/postflop-solver , pinned commit 9d1509fe5077d019825f833eed04b16d342dfda1](https://github.com/b-inary/postflop-solver/tree/9d1509fe5077d019825f833eed04b16d342dfda1). Engine source, license, algorithm description, numeric-precision disclosure, and chance-isomorphism implementation used for the experiment. - GTO Gecko, [public experiment method and limitation statement](https://gtogecko.com/data/poker-solver-suit-frequencies/README.md), [retained output](https://gtogecko.com/data/poker-solver-suit-frequencies/experiment.json), and [independent verifier](https://gtogecko.com/data/poker-solver-suit-frequencies/verify.py); generated and checked September 5, 2026. - GTO Gecko, current official [US App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Used only for the bounded product description; accessed September 5, 2026. ### Range vs Range Equity: Why Hand Averages Can Mislead https://gtogecko.com/blog/range-vs-range-equity Range equity is an average over compatible, weighted hand matchups. It need not equal the simple average of the equities shown for your individual hands. One hand may be compatible with two opponent combinations while another faces three. Giving those two hand equities equal weight changes the calculation. Here is a complete river example where the two hand equities are 75% and 33.33%. Their simple average is 54.17%, yet the range has exactly 50% equity. You can check all five legal matchups by hand. This is an off-table audit of an equity summary, not a recommendation to bet or call. Two ranges, six candidate pairs, five legal matchups Use standard 52-card Texas Hold’em on the completed board 2♣ 3♦ 7♥ 9♠ J♣ . Hero’s range contains just A♠A♥ and K♠K♥ . The opponent’s range contains A♠A♦ , A♣A♦ and Q♠Q♥ . Each listed combination starts with input weight 1; all other combinations have weight 0. These are invented ranges chosen to expose the arithmetic, not recommended ranges for any position or betting line. Our model assigns each compatible pair the product of its two input weights, then normalizes across the legal pairs. There is no future betting, rake, payout adjustment or additional hidden-card evidence. The ranges can each list A♠ as a possibility. A single deal cannot put that same card in both players’ hands. Thus A♠A♥ against A♠A♦ is excluded. The other five pairings are legal. Each entry is Hero’s share of the pot at showdown: win 1, tie ½, loss 0. Scroll horizontally on a narrow screen. Board: 2♣ 3♦ 7♥ 9♠ J♣. All input weights: 1. Hero hand Vs A♠A♦ Vs A♣A♦ Vs Q♠Q♥ A♠A♥ Excluded: shared A♠ Tie: ½ Win: 1 K♠K♥ Loss: 0 Loss: 0 Win: 1 Both ace pairs make the same five-card hand rank: aces with J-9-7 kickers. The kings beat the queens and lose to either ace pair. No listed hand makes a straight or flush. This uses the ordinary [Hold’em best-five-card and equal-split rules](https://www.pokerstars.com/poker/games/texas-holdem/). Why the two answers differ Condition on Hero having A♠A♥. Only two opponent hands remain, so its equity is (½ + 1) ÷ 2 = 75% . Condition on K♠K♥ instead, and three opponent hands remain: (0 + 0 + 1) ÷ 3 = 33⅓% . The simple average is (75% + 33⅓%) ÷ 2 = 54⅙% , displayed as 54.17%. But that average gives each Hero hand half the total weight. Our model has five equally weighted legal pairs: two contain Hero’s aces and three contain Hero’s kings. The corresponding Hero hand probabilities are 2/5 and 3/5 . Range equity = (2/5 × 75%) + (3/5 × 33⅓%) = 50%. You can bypass the hand averages entirely: add Hero’s shares across the five legal pairs and divide by five. That gives (½ + 1 + 0 + 0 + 1) ÷ 5 = ½. The 4.17-percentage-point gap comes entirely from using different weights. If you know your actual hole cards are A♠A♥, their conditional showdown equity against this opponent range is still 75%. Do not replace it with the range’s 50%. The aggregate answers a question about both possible Hero hands together. The diagram groups the same five matchups by Hero hand. Its complete data appears in the table above. Input weight 1 for each hand does not make the two Hero hands equally likely after incompatible pairs are removed. Input weights and hand probabilities are different quantities Think of an input weight as the amount of a particular combination included before considering the other range’s card conflicts. The hand’s probability within the joint model also depends on how much compatible opponent weight remains. PioSOLVER’s [explanation of range weights and matchups](https://piosolver.com/docs/viewer/numbers_in_piosolver/) documents this distinction and uses the product of the two hand weights for matchup mass. For one Hero hand, multiply its input weight by the sum of the weights of its compatible opponent hands. Call that its row mass . Aggregate using: Range equity = sum of (row mass × conditional hand equity) ÷ total row mass. Equivalently, let a and b be the two hands’ input weights, and q be Hero’s expected pot share for that matchup. Sum a × b × q over legal pairs, then divide by the sum of a × b over those same pairs. On this completed board, q is simply 0, ½ or 1. An earlier-street calculation must also evaluate future boards. A different experiment could deliberately select Hero’s hand 50–50 first, then choose uniformly from the opponents compatible with that selection. That experiment really does produce 54.17%. It does not generate our five legal pairs uniformly. Before calling an answer wrong, establish which joint distribution the calculation is meant to represent. Fractional weights change the mass, too Keep the board and hands, but reduce the opponent’s Q♠Q♥ input weight from 1 to ½. All other input weights stay at 1. This is a sensitivity test, not an estimate of how often a player reaches the river with queens. Hero’s aces now face opponent weight 1 + ½ = 1½. Their weighted pot-share total is (1 × ½) + (½ × 1) = 1, giving equity 1 ÷ 1½ = 66⅔%. Hero’s kings face weight 1 + 1 + ½ = 2½, and their equity is ½ ÷ 2½ = 20%. The complete range has mass 1½ + 2½ = 4 and pot-share total 1 + ½ = 1½. Its equity is therefore 37.5% . The equal-hand average would be 43.33% . Counting only surviving combinations misses the fractional weights. The conditional equities below are rounded for display; all aggregate calculations use exact fractions. Changing only the opponent’s Q♠Q♥ weight Q♠Q♥ input Hero AA equity Hero KK equity Range equity Equal-hand average 1 75% 33.33% 50% 54.17% ½ 66.67% 20% 37.5% 43.33% Weighting by Hero’s input frequencies is not enough Restore the opponent’s queens to weight 1, then halve only Hero’s A♠A♥ input weight. The two conditional hand equities stay at 75% and 33⅓%, but their row masses become ½ × 2 = 1 and 1 × 3 = 3. The correct range equity is (1 × ¾ + 3 × ⅓) ÷ 4 = 43.75% . A spreadsheet that weights those equities only by Hero’s inputs computes (½ × ¾ + 1 × ⅓) ÷ 1½ = 47.22% . It has included Hero’s frequencies but still omitted compatible opponent mass. This is why the row-mass definition includes both ranges. Reconcile an equity export in four steps - Freeze the inputs. Record the exact board, both combo-level ranges and weights, dead-card information and selected node. An action percentage is not automatically the weight of a hand reaching that node. - Identify the denominator. Determine whether the export contains raw input weights, blocker-adjusted probabilities or matchup masses. If a mass already includes Hero’s input weight, multiplying by it again double-counts that weight. - Rebuild one row. Exclude opponent hands that conflict with this Hero hand, apply remaining weights, and check the conditional equity. Do this separately for each row: A♠A♦ is excluded against A♠A♥ but remains against K♠K♥. Then aggregate supported rows using their masses. - Check the remainder. If the totals still differ, investigate display rounding, sampling error, board/dead-card differences, filters and mismatched hand ordering before concluding that the software disagrees mathematically. For a concrete export convention, the [PioSOLVER UPI command documentation](https://piosolver.com/docs/upi/commands/) describes calc_eq_node as returning per-hand equities, matchups and a total. Preserve the documented hand ordering when joining those arrays. That is a reference for that interface, not a claim that every tool exports the same fields. If every included Hero hand has the same compatible opponent mass, input-weighted averaging works. Our no-collision control removes the opponent’s A♠A♦: both Hero hands then face the same two opponents, and both methods give 62.5%. Unequal masses can also happen to produce the same answer; agreement alone does not validate a spreadsheet. A row with zero compatible mass has no defined conditional equity in this model. Omit it from the aggregate rather than entering a made-up 0% equity. If total mass is zero, the two ranges describe no legal joint deal, so the aggregate is undefined. Fix the inputs. Use the result to improve your study notes A useful note for the first example reads: “Exact river ranges; all input weights 1; AA row mass 2, KK row mass 3; conditional equities ¾ and ⅓; aggregate ½. The 54.17% spreadsheet result averaged the rows equally.” That names the mistake without treating a high-equity range as permission to bet. For the broader concepts, see [equity versus betting value](https://gtogecko.com/blog/poker-equity-explained) and [individual hand combinations](https://gtogecko.com/blog/combo-counting). If the disagreement concerns different suits receiving different action frequencies, use the separate [suit-frequency audit](https://gtogecko.com/blog/poker-solver-suit-frequencies). This example does not model the information carried by unseen folded hands. We recommend [GTO Gecko](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) for off-table review of available solved scenarios, range composition, mixed-strategy frequencies and EV estimates. This article is published by the team behind GTO Gecko. The matrix here is an independent teaching example; it does not claim that the app exposes these exact export fields or includes this fixture. Method, checks and downloads We constructed seven deterministic river cases: equal inputs, reduced opponent weight, reduced Hero weight, no collisions, a zero-mass row, zero total mass and an all-tie board. The [standard-library Python generator](https://gtogecko.com/data/range-vs-range-equity/generate.py) ranks the best five cards from seven and sums exact rational weights. There is no random seed or sampled population. The [pair ledger](https://gtogecko.com/data/range-vs-range-equity/pairs.csv), [hand ledger](https://gtogecko.com/data/range-vs-range-equity/hands.csv) and [full JSON results](https://gtogecko.com/data/range-vs-range-equity/results.json) preserve every input and result. Download the [independent Node verifier](https://gtogecko.com/data/range-vs-range-equity/verify.mjs), [reproduction instructions](https://gtogecko.com/data/range-vs-range-equity/README.md), [diagram source](https://gtogecko.com/data/range-vs-range-equity/matchup-mass.svg) and [integrity manifest](https://gtogecko.com/data/range-vs-range-equity/MANIFEST.sha256) alongside them. The model uses two factorable input ranges conditioned on card compatibility. It does not reconstruct arbitrary correlated ranges, infer opponents’ frequencies or calculate action EV. No stakes, effective stacks, bet sizes, rake, tournament payouts or bounties enter these showdown-share calculations. Product and primary documentation were checked on September 5, 2026. ### Slow Playing in Poker: What Does a Free Card Risk? https://gtogecko.com/blog/slow-playing-poker Before slow playing a strong hand, identify what checking can gain and what a free card can change. In one example below, nine rivers complete an opponent’s flush but only seven beat our set. In another, all nine flushes lose to our full house. Neither count tells us whether the opponent would pay a bet. The useful review question is: what changes if I bet instead? Start by checking which cards change the winner. Then ask how the opponent would respond to a bet and what you expect to happen after a check. The four turn examples below separate those questions without pretending to solve a complete betting strategy. What counts as slow playing? Slow playing means deliberately postponing aggression with a strong hand to seek value later, such as calling instead of raising or checking instead of betting. [Upswing’s fast-play versus slow-play guide](https://upswingpoker.com/poker-slow-play-vs-fast-play/) introduces that choice. Here we focus on checking behind on the turn in heads-up Texas Hold’em : the opponent has checked, you act last, and a check sends both players to the river without another turn bet. A defensive check because your hand is no longer strong enough to value bet is a different reason to slow down. Checking first to act is different: the opponent can still bet, and you may get to call or [check-raise](https://gtogecko.com/blog/check-raise-strategy). Calling a bet with a strong hand can also be a slow play, but it does not give the opponent the same free-card choice. Identify the action before applying a slogan about trapping. [Andrew Brokos’ slow-playing analysis](https://blog.gtowizard.com/slow-playing/) distinguishes the risk of being outdrawn from the risk of failing to grow the pot. Our casebook measures only the first ingredient: how often a specified weaker hand becomes the winner on the next card. Four strong hands, four different river risks These are constructed teaching examples with both players’ cards exposed , not observed hands or recommended ranges. Eight cards are known: two per player and four on the board. That leaves 44 possible river cards. We enumerate all 44 once for each matchup and use the [standard high-hand ranking order](https://www.pokerstars.com/poker/games/rules/hand-rankings/), selecting the best five of seven as specified by the [Hold’em rules](https://www.pokerstars.com/poker/games/texas-holdem/). The hero is ahead in every turn matchup. No river ties occur in these four fixtures. At the table, the opponent’s cards are hidden; these exact counts become useful only as examples of what different parts of a plausible range can do. On a narrow screen, scroll horizontally to see both hands and all four board cards. “Hero loses” means loses at showdown if the river is dealt, not that checking loses this percentage of the pot. Exact outcomes across 44 legal rivers per synthetic matchup Turn hand Hero Opponent Board Hero wins / ties / loses Nut straight K♦ Q♥ A♠ A♦ A♣ J♦ T♠ 2♣ 34 / 0 / 10 Set 7♥ 7♠ A♣ Q♣ K♣ 7♦ 2♠ 9♣ 37 / 0 / 7 Full house vs draw A♥ A♦ K♣ Q♣ A♣ 7♦ 7♠ 2♣ 44 / 0 / 0 Same full house vs trips A♥ A♦ 7♥ 6♥ A♣ 7♦ 7♠ 2♣ 43 / 0 / 1 The nuts now can still be vulnerable With K♦ Q♥ on A♣ J♦ T♠ 2♣, you have the highest possible straight. Against A♠ A♦, however, 10 of 44 rivers beat you: 22.73% , rounded. The remaining ace makes quads. Any of the three remaining jacks, tens or deuces makes the opponent a full house. The count is 1 + 3 + 3 + 3. Your current nut hand wins on the other 34 rivers. “I cannot be behind yet” and “I cannot be overtaken” are different statements. A flush-completing card does not necessarily beat a set With 7♥ 7♠ on K♣ 7♦ 2♠ 9♣ against A♣ Q♣, nine clubs remain. All nine complete the opponent’s flush. But 2♣ gives you sevens full of deuces, and 7♣ gives you quads . You still win on those two clubs. The losing rivers are 3♣, 4♣, 5♣, 6♣, 8♣, T♣ and J♣: 7/44, or 15.91% . Counting nine “scare cards” as nine losses misses your own improvement. Compare both best hands on the same river. A better opponent hand can remain second best Now hold A♥ A♦ on A♣ 7♦ 7♠ 2♣ against K♣ Q♣. You already have aces full of sevens. Nine rivers complete the opponent’s flush, yet you win all 44 rivers . This matchup shows the card-based attraction of waiting: a worse hand can improve without overtaking you. It does not show that the opponent will bet the flush or pay your river bet on a paired board. That requires a separate assumption about how they play. In each of the two flush-draw fixtures, nine clubs complete a flush. The set loses to seven; the full house loses to none. The table and downloadable river list provide the exact hands and outcomes. The same full house has a different risk against trips Keep A♥ A♦ and the board A♣ 7♦ 7♠ 2♣. Change only the opponent to 7♥ 6♥. Now 7♣ makes their quads and beats your full house : 1/44, or 2.27%. You win the other 43 rivers. The board and your hand did not change, but the conditional risk did. Against an actual range, each legal opponent combination has its own weight and its own remaining deck. You cannot average these two illustrative rows equally unless you deliberately assume those two combinations are equally likely and are the whole range. There is a further boundary: against 7♥ 7♣ on that board, you are already behind quads on the turn. The casebook deliberately starts with the hero ahead; a real hand review cannot assume that condition merely because you hold a full house. Getting outdrawn is not the same as a checking mistake If a losing club arrives, would a turn bet have made the draw fold? A caller sees a river too. Betting changes the pot and possible actions; the outdraw alone does not establish a checking mistake. Brokos explains this distinction in his [free-card analysis](https://blog.gtowizard.com/slow-playing/). That is why 15.91% is a card-outcome probability, not an EV penalty for checking . Expected value compares the payoffs of complete alternatives, including folds, calls, raises and future actions. Our [equity guide](https://gtogecko.com/blog/poker-equity-explained) explains the distinction between showdown share and the value of a decision. Two response assumptions to test Use the full-house-versus-flush-draw fixture to isolate this missing information. If you assume K♣ Q♣ calls a turn bet but folds after missing the river, checking passes up a payment available now. If instead you assume it folds to that turn size but pays a river bet when a club arrives, waiting creates a possible later payment on nine rivers. The cards are unchanged; the response assumptions differ. These are deliberately incomplete hypothetical policies, not observations or EV rankings. Neither specifies every river response, raise or bet size. Their purpose is to identify the evidence that would make your reason for waiting credible. How to review a slow play Write down a concrete betting alternative and a reason to check before looking at the river result. Use this worksheet for an off-table hand review: - Record the decision. Note position, earlier actions, board, effective stack and pot. A check behind closes the street; a check out of position does not. - Name plausible opposing hands. Include hands that pay now, hands that might improve, and hands already beating you. Use the action sequence to justify them; do not build the range around the revealed showdown hand. - Separate improvement from overtaking. For relevant river cards, compare both final hands. Include ties, board pairs and redraws. A card can complete a draw and still leave it behind. - Compare responses. Which worse hands call your proposed size now? Which would fold? What extra bet or call do you expect after checking, and what evidence supports that expectation? - Check the remaining opportunity. On the turn, checking behind leaves one street for future bets. Consider the pot and effective stack when deciding what a later bet can accomplish. - Keep the uncertainty visible. If the case for checking depends on an unobserved bluff tendency or an assumed river payoff, label it as an assumption. Review how the conclusion changes if that action does not happen. Example review note, using the set-versus-draw fixture: “My set loses to seven clubs, not nine. I have not established whether A♣ Q♣ folds or calls my proposed turn size. I also have no river response policy. The card count is complete; my betting comparison is still incomplete.” This note tells you what to study next without grading the turn decision from the river card. There is also a range-level reason to check strong hands: a checking range can need hands able to continue against aggression. [Upswing’s published Lucid examples](https://upswingpoker.com/tips-for-slow-playing/) show some strong-hand checks in specific positions and board textures. Those examples support the existence of strategic checks, not a universal checking frequency for sets or two pair. Use [board texture](https://gtogecko.com/blog/board-texture-strategy) to identify what can change, then supply the range and response evidence. A wet board is not an automatic command to bet, and a full house is not an automatic command to trap. Study the decision in context For further off-table study, use [GTO Gecko](https://play.gtogecko.com/) to compare available actions, mixed-action frequencies, EV estimates and range composition in a comparable available precomputed scenario. Its [official App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) describes its poker study tools. We publish this article as the team behind GTO Gecko. Write your explanation for a strong-hand check before opening the displayed strategy. Then compare the incentives you identified with the available action values. The four exposed-card examples here are independent teaching calculations, not GTO Gecko solver output or a claim that these exact scenarios are available in the app. Method and reproducible downloads The study contains 176 river records: four fixtures × 44 legal cards . Each river has equal probability conditional on the eight specified cards in a uniformly shuffled standard deck, with no other known dead cards. We enumerate rather than sample, so there is no random seed or sampling error. A second implementation checks the best-five rankings and every exported outcome. Download the [four input fixtures](https://gtogecko.com/data/slow-playing-poker/cases.json), [complete river CSV](https://gtogecko.com/data/slow-playing-poker/rivers.csv) and [JSON results with hand ranks](https://gtogecko.com/data/slow-playing-poker/results.json). The standard-library [Python generator](https://gtogecko.com/data/slow-playing-poker/generate.py), independent [Node verifier](https://gtogecko.com/data/slow-playing-poker/verify.mjs), [method note](https://gtogecko.com/data/slow-playing-poker/README.md) and [checksums](https://gtogecko.com/data/slow-playing-poker/MANIFEST.sha256) make the calculation reproducible. These are turn-to-river card comparisons, not betting simulations. They specify no preflop range, action frequencies, bet sizes, pot or effective stack because none affects this conditional card count; those inputs are necessary for evaluating an actual decision. There is no rake, tournament payout, bounty, multiway or opponent-behavior model. The four matchups were selected to teach different mechanisms and do not represent how often those situations occur. Primary strategy, rules and official product sources checked September 5, 2026. Product availability and features can change. The calculation uses standard Hold’em hand rankings. ### Can Hand Histories Prove a Poker Shuffle Is Fair? https://gtogecko.com/blog/can-hand-histories-prove-poker-shuffle-fair No. Hand histories cannot prove that a poker shuffle is fair. A complete, prospectively defined sample can test whether one chosen feature of the deals is compatible with one precise model. An unusual result can flag that model for investigation. An ordinary result means only that this test did not detect its chosen kind of departure; it does not validate the random-number generator, source code, deployed app, or operator. This article turns that boundary into a usable workflow. The lab checks one observable—the hero’s pocket-pair count—using an equal-tail exact binomial rule fixed before the data are inspected. It also reports detection power, because a test that rarely catches a meaningful deviation should not be treated as reassuring. Scope and disclosure: GTO Solutions AS publishes this site and Felted. Felted appears only as a clearly labeled example of a single-deal verification claim from its current US App Store listing. The lab is an independent editorial teaching tool, not a Felted feature, regulator test, certification, operator audit, or accusation tool. It evaluates no private or live product data. “Fair Shuffle” Is More Than One Frequency A pocket-pair count concerns distribution . Fair operation asks more. The [UK Gambling Commission’s RTS 7](https://www.gamblingcommission.gov.uk/standards/remote-gambling-and-software-technical-standards/rts-7-generation-of-random-outcomes) separates agreement with theoretical probabilities from unpredictability, sound seeding, unbiased scaling or mapping, and the absence of adaptive behavior. It also requires the implemented game to follow its described rules. [GLI-19 v3.0](https://gaminglabs.com/wp-content/uploads/2020/07/GLI-19-Interactive-Gaming-Systems-v3.0.pdf) makes the same separation operational. Sections 3.2.1–3.3.2 call for review of randomness, scaling, and shuffling code; suitable tests of final outcomes; checks of distribution and independence; and resistance to cryptographic attacks. Sections 4.5–4.6 then address how the game uses and displays those outcomes. A player’s hand histories expose only a narrow slice of that stack. The Commission’s separate [RNG testing procedure](https://www.gamblingcommission.gov.uk/strategy/testing-strategy-for-compliance-with-remote-gambling-and-software-technical/3-procedure-for-testing) shows how much broader third-party work is: documentation and public-weakness research, source-code review, raw RNG output, scaled or shuffled-deck data, mapping, a live-like environment, versions, digital signatures, and a stated test scope. A player-side frequency table is not a substitute for that process. That is why “my cards look normal” and “the shuffle is fair” are not equivalent statements. A malicious or defective process could preserve the overall pocket-pair rate while changing who receives which pair, correlating deals over time, weakening unpredictability, or conditioning outcomes on an untested variable. Conversely, a fair process will sometimes produce streaks that look remarkable after the fact. Predeclare the Question Before Counting A useful outcome check begins with a small test contract. Write it down before opening the sample: - Population: for example, every completed deal in one account’s exported hold’em histories over a fixed date window. - Inclusion rule: every consecutive deal in which the hero received two hole cards, whether the hand was folded or played. - Observable: “the two hero cards share a rank,” with 22 through AA all counted. - Sample size and stopping rule: a fixed number of eligible deals, not “stop when the graph looks strange.” - Number of checks: every outcome feature that will be tested, so the false-flag budget can cover the whole planned family. - Decision rule: exact lower and upper cutoffs calculated in advance. If the export contains only voluntarily played hands, big pots, showdowns, bad beats, or hands selected for review, it cannot support this test. Strategy filters select on the cards and actions themselves. The resulting pair rate answers a different question about the filter, not the deal stream. Keep the unit of analysis fixed too. Do not count several seats from the same deal as independent trials, or pool standard hold’em with Short Deck, Omaha, exposed-card conditioning, or materially different export rules. Those designs need different probability models. Why the Null Pocket-Pair Rate Is 1 in 17 There are C(52,2) = 1,326 unordered two-card combinations. For each of 13 ranks there are C(4,2) = 6 suit pairs, so pocket pairs occupy 13 × 6 = 78 combinations. Under independent uniform 52-card shuffles: p₀ = 78 / 1,326 = 1 / 17 ≈ 5.882% For n eligible deals, the count X follows a binomial model, X ~ Binomial(n, 1/17) , only if the declared sampling and independence assumptions hold. The model already accounts for drawing two cards without replacement within a deal; independence is an additional assumption between deals. Exact Cutoffs—and the Power to Catch a Departure The published rule is a central, equal-tail exact binomial test . With one planned test and a 5% family error budget, each tail receives 2.5%. The lower cutoff is the largest count whose cumulative null probability is at most 2.5%; the upper cutoff is the smallest count whose upper-tail probability is at most 2.5%. Because counts are discrete, the two tails usually total less than 5%. One preregistered pocket-pair check at a 5% family error budget Deals Expected pairs Flag at Actual false-flag rate Power if true rate is 8% 250 14.7 ≤ 7 or ≥ 23 4.20% 27.3% 500 29.4 ≤ 19 or ≥ 41 4.58% 45.8% 1,000 58.8 ≤ 44 or ≥ 75 4.38% 73.6% 2,500 147.1 ≤ 123 or ≥ 172 4.12% 98.4% 5,000 294.1 ≤ 261 or ≥ 328 4.72% 99.99% The 8% column is a constructed sensitivity question: if the true pocket-pair rate were 8%, how often would this fixed two-sided rule flag? It is not an estimate about any poker product. At 250 deals, the rule would catch that planted departure only about 27% of the time. Even an in-range result is weak reassurance at that sample size. At 1,000 deals, power rises to about 74%; misses remain possible. Choose that sensitivity target before seeing the observed count. Setting the hypothetical rate equal to an interesting observed rate and then describing the output as prospective power reverses the workflow. The browser lab also reports a 95% Wilson interval as a descriptive range and an equal-tail p-value multiplied by the number of planned checks. The cutoffs—not an after-the-fact p-value hunt—are the primary rule. Probability-ordered “exact binomial” tests used by some software packages can produce different boundary counts, so the public bundle names and reproduces the equal-tail convention rather than relying on an ambiguous label. The p-value is calculated under the null model. It is not the probability that the shuffle is fair, nor is 1 − p the probability that it is unfair. Four Ways a Plausible Calculation Becomes Invalid 1. Searching until something looks rare Testing pairs, aces, suited cards, each rank, each seat, weekday, session length, winning hands, and dozens of other summaries creates many opportunities for a small p-value. If 20 independent checks each use 5%, the chance of at least one false flag would be about 1 − 0.95²⁰ = 64% . The lab uses the simple Bonferroni safeguard: with m planned checks, each tail receives 0.05 / (2m) . It is conservative, but transparent. For example, 80 pairs in 1,000 deals flags when five tests were planned: the adjusted central p-value is about 0.0386 and the upper cutoff is 80. With ten planned tests, the same count does not flag: the adjusted p-value is about 0.0772 and the upper cutoff is 82. Choosing five only after seeing 80 would invalidate the comparison. 2. Looking repeatedly and stopping on a flag Checking at 200, 300, 400, and every later deal is not the same as one test at the final sample size. Repeated looks spend more false-flag probability. A fixed stopping rule avoids that problem; a valid sequential design needs its own error accounting. 3. Keeping only memorable or playable hands A sample of hands you opened, reached showdown with, tagged, or remembered is conditioned on decisions and outcomes. Pocket pairs are more likely than average hands to survive several of those filters. No exact arithmetic can repair an inclusion rule that depends on the event being counted. 4. Treating one account’s view as the whole deck Hero cards do not reveal the hidden deck order, every opponent card, burns, mucked cards, entropy inputs, or the code-to-card mapping. A clean pocket-pair result can coexist with faults this statistic has no power to see. Expand the claim only when the evidence also expands. Three Layers of Evidence Answer Different Questions Start with the claim, then ask which layer can observe it. The table below repeats the diagram’s substance. Evidence layer Typical inputs Narrow question it can address Important missing piece Single-deal integrity Pre-deal commitment; later seed or record; deterministic reconstruction Does this disclosed deal match what was committed before reveal? Does not by itself validate entropy, code, distribution, or deployed operation Implementation assurance Source review; entropy design; unbiased mapping; binary identity; operating controls Does the reviewed system meet a defined design and deployment standard? Needs competent access, methods, scope, and often independent testing Population compatibility Complete outcome data; preregistered summaries; suitable tests; power analysis Do selected observations conflict with a declared statistical model? Cannot certify the generator or identify a cause from a flag A cryptographic commitment is especially easy to overstate. Committing to hidden information before disclosure can make later substitution detectable, and revealing enough information can let someone reproduce a particular deal. That does not automatically show the seed was unpredictable, the shuffle mapping was unbiased, the committed software is the software that ran, or the operator could not choose among candidate seeds before committing. Statistical testing is also deliberately bounded. [NIST SP 800-22 Rev. 1a](https://csrc.nist.gov/pubs/sp/800/22/r1/upd1/final) describes statistical tests as a useful first step for generator output while warning that no test suite can certify suitability or replace cryptanalysis. It addresses binary generator output, not a recipe for feeding encoded poker histories into a “NIST test” and declaring the deals certified. Where Felted’s Offline Verification Fits The current [US App Store listing for Felted](https://apps.apple.com/us/app/felted-texas-holdem-poker/id6759221162) says offline hands use a Fisher–Yates shuffle and directs readers to an in-game “Fair Deal” panel after the latest completed offline hand. That places a claim about a particular finished deal in the first evidence layer. Whether a concrete protocol supplies prior commitment and reproducible disclosure still has to be established from the protocol itself, not inferred from the feature name. It is not evidence that this article tested Felted, and the listing does not turn the pocket-pair lab into a certification of its shuffle. We do not generalize the offline description to online play, attest to an installed binary, or claim regulatory or laboratory approval. The ownership disclosure matters precisely because readers should know when an example comes from the same publisher. How to Read a Flag—or a Non-Flag If the count flags, preserve the data and investigate the pipeline before naming a cause. Confirm that histories are complete, duplicates are removed, game and deck rules are consistent, the hero actually received two cards in every included record, and the sample window and tests match the predeclared plan. Then reproduce the calculation independently. A persistent anomaly can justify asking the operator or an appropriate regulator for a scoped review; the count alone cannot establish manipulation. If the count does not flag, report the result with its power and scope. A defensible sentence is: “In 1,000 prospectively included deals, 59 pocket pairs fell inside the predeclared 45–74 non-flag region; this rule had about 74% power against a planted 8% pair rate.” An indefensible sentence is: “The shuffle passed and is fair.” That reporting habit also helps in ordinary poker analysis. It separates the question chosen before seeing results from the story invented afterward—the same discipline that improves a [result-blind hand-review process](https://gtogecko.com/blog/how-to-practice-poker). For the probability foundation beneath combinations and ranges, see the [poker equity explainer](https://gtogecko.com/blog/poker-equity-explained). Download and Reproduce the Evidence Lab The public bundle contains eight exact sample-size rows, the null model and assumptions, two planted alternatives, source and limitation notes, and an independent Python verifier. No random simulation is used: every cutoff and power value is calculated from the binomial probability mass. - [Model, cutoffs, power, sources, and limitations (JSON)](https://gtogecko.com/data/poker-shuffle-pocket-pair-power.json) - [Published reference rows (CSV)](https://gtogecko.com/data/poker-shuffle-pocket-pair-power.csv) - [Independent standard-library verifier (Python)](https://gtogecko.com/data/poker-shuffle-evidence-verifier.py) - [Method, command, and scope note](https://gtogecko.com/data/poker-shuffle-evidence-README.md) Place the four files in one folder and run python poker-shuffle-evidence-verifier.py . The verifier reconstructs the exact distribution and cutoffs independently of the browser component, recomputes power at 4% and 8%, and checks CSV/JSON agreement. Poker Shuffle Evidence FAQ How many poker hands are enough to prove an RNG fair? No finite hand-history count proves an RNG fair. Sample size should instead be chosen for power against a specific, predeclared departure, alongside evidence about design, implementation, and operation. Does a rare streak prove the deal was rigged? No. A streak chosen because it looked surprising has a selection problem. Define an event and stopping rule first, then account for every planned test. Does passing the pocket-pair test validate every card frequency? No. It checks one compressed count. Rank frequencies, suits, seats, boards, serial dependence, mapping, and unpredictability require different evidence. Can a deal commitment replace statistical testing? No. A well-designed commitment can protect the integrity of disclosed data for a particular deal. Population behavior and implementation assurance remain separate questions. Sources and Methodology Standards, product wording, and public calculations were checked on September 3, 2026 . The article uses the standards as a taxonomy of evidence; it does not claim that they certify this lab or any named product. - UK Gambling Commission, [RTS 7 – Generation of random outcomes](https://www.gamblingcommission.gov.uk/standards/remote-gambling-and-software-technical-standards/rts-7-generation-of-random-outcomes), last updated May 7, 2024. Used for separate requirements covering distribution, unpredictability, seeding, mapping, non-adaptive behavior, and implementation according to game rules. - UK Gambling Commission, [Testing strategy: Procedure for testing](https://www.gamblingcommission.gov.uk/strategy/testing-strategy-for-compliance-with-remote-gambling-and-software-technical/3-procedure-for-testing), last updated September 13, 2024. Used to contrast a player-side statistic with third-party review of documentation, source, raw RNG output, shuffled-deck data, mapping, versions, signatures, and deployment context. - National Institute of Standards and Technology, [SP 800-22 Rev. 1a: A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications](https://csrc.nist.gov/pubs/sp/800/22/r1/upd1/final), April 2010, with NIST’s April 19, 2022 revision planning note. Used for the limit that statistical tests cannot certify suitability or replace cryptanalysis. - Gaming Laboratories International, [GLI-19: Standards for Interactive Gaming Systems, Version 3.0](https://gaminglabs.com/wp-content/uploads/2020/07/GLI-19-Interactive-Gaming-Systems-v3.0.pdf), July 17, 2020, §§3.2.1–3.3.2 and 4.5–4.6. Used to distinguish source review, outcome analysis, distribution, independence, cryptographic strength, mapping, and game operation. GLI-19 is a technical standard; citing it is not a certification claim. - Apple App Store, [Felted – Texas Holdem Poker, US listing](https://apps.apple.com/us/app/felted-texas-holdem-poker/id6759221162). Used only for the narrow current description of its shuffle wording and Fair Deal panel for a completed offline hand. GTO Solutions AS publishes both Felted and this site. - GTO Gecko, [pocket-pair power model](https://gtogecko.com/data/poker-shuffle-pocket-pair-power.json), [reference rows](https://gtogecko.com/data/poker-shuffle-pocket-pair-power.csv), [independent verifier](https://gtogecko.com/data/poker-shuffle-evidence-verifier.py), and [method note](https://gtogecko.com/data/poker-shuffle-evidence-README.md). Generated and checked September 3, 2026. ### Cold-Call Ranges at 50bb vs 100bb: A Four-Spot Composition Study https://gtogecko.com/blog/cold-call-ranges-50bb-vs-100bb Across four matched 6-max cash spots, the absolute change in cold-call rate from 50bb to 100bb ranges from 0.16 to 0.82 percentage points . Those changes are not necessarily small relative to the low starting rates: button versus under the gun rises by 26.1% . The composition shift is clearer still. Only 70.6% to 75.3% of the smaller calling range's weighted call mass is shared at the other depth, leaving 24.7% to 29.4% not shared. The useful lesson is that one aggregate percentage can hide a material change in the hands producing it. This article reports every planned comparison, including the one where the 100bb call rate falls. It is a point-in-time study of four specific model comparisons—not a universal cold-calling chart. Disclosure: this article is published by the team behind GTO Gecko. What We Compared For this study, a cold call means a non-blind player's call of the first open raise. Small-blind and big-blind responses are excluded because those seats have already posted chips. This is the study's operational definition; poker usage is not perfectly uniform. The positions are under the gun (UTG), hijack (HJ), cutoff (CO), and button (BTN). The fixed setup was a 6-max regular no-limit Hold’em cash game with equal 50bb or 100bb stacks, no ante or straddle, 5% rake capped at 4bb, an open to 2.5bb, and response options of fold, call, raise to 7.5bb, or all-in. Each aggregate is weighted across all 1,326 physical starting-hand combinations. We selected the full non-blind responder chain against an UTG open—HJ responds; HJ folds and CO responds; HJ and CO fold and BTN responds—plus BTN versus a CO open after UTG and HJ fold as a late-position contrast. The set is deliberately nonexhaustive. Each matched pair preserves the opener, responder, folded seats, and players still to act while changing only stack depth. Four pairs therefore represent eight decision nodes. Four Matched Spots: Call Rate and Composition Narrow screen? Scroll the chart horizontally to compare both depths and all four overlap values. Combination-weighted call frequency. “Shared” means overlap measured against the smaller calling range; the complete text equivalent is in the table. Narrow screen? Scroll the table horizontally to inspect every rate and composition value. Cold-call frequency and composition by matched response spot Response spot Call at 50bb Call at 100bb Absolute change Relative change Shared mass Not shared HJ vs UTG 1.96% 2.12% +0.16 pp +8.0% 73.7% 26.3% CO vs UTG 2.52% 2.83% +0.31 pp +12.3% 70.6% 29.4% BTN vs UTG 3.15% 3.97% +0.82 pp +26.1% 73.2% 26.8% BTN vs CO 4.45% 3.86% −0.59 pp −13.3% 75.3% 24.7% Three 100bb call rates are higher, but BTN versus CO is lower. The snapshot therefore does not support “deeper means call more” as a general rule. HJ versus UTG illustrates why percentage points and composition should be read together: its rate rises only 0.16 points, while 26.3% of the smaller range's weighted call mass is not shared at the other depth. This composition question is narrower than the one answered in our [multiway pots strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy), which covers how often cold calls occur with players behind and what changes after the flop. What the Overlap Metric Measures A raw rate treats any two 3% calling ranges as equivalent. The overlap calculation keeps the hand labels and physical combination weights attached: - For each of the 169 starting-hand classes, convert its call frequency to physical call mass. - Use six combinations for a pair, four for a suited non-pair, and twelve for an offsuit non-pair. - At each class, take the lower call mass at 50bb and 100bb. - Add those shared pieces and divide by the smaller depth's total call mass. A 75% result means 75% of the smaller range's weighted call mass is also present at the other depth. It does not mean 75% of the 169 hand labels are identical. Mixed frequencies and combination counts both matter. Non-overlap is simply 100% minus overlap, using the same denominator. How to Study Stack-Depth Changes - Match the configuration. Positions, folded seats, rake, cap, sizing, antes, and players still to act are part of the spot. - Read absolute and relative changes together. A sub-one-point move can still be large when the starting action is rare. - Compare the full action mix. The public summary includes aggregate fold, call, raise, and all-in frequencies. If call mass falls, check where aggregate mass moved before drawing a conclusion. - Use overlap as a composition alarm. A close absolute total width does not establish that the same hands take the action. - Drill matched contrasts. Alternate the 50bb and 100bb versions and predict the direction before revealing the aggregate answer. A baseline can organize practice, but these model outputs do not describe how a specific player pool behaves. Keep model study and exploit adjustments separate. Method, Independent Check, and Downloads The reporting plan fixed the setup, three then-unseen comparisons, the joint four-spot set, weighting, overlap definition, and report-every-row rule before the new extraction. HJ versus UTG had already been used as a feasibility check, so that result was known. The sanitized registration states this boundary rather than presenting the exercise as fully blind. The first implementation decoded the retained snapshot and checked a full 1,326-combination response range at each of eight decision nodes. A separately written Python implementation then re-fetched the source. It completed 1,384 structural and invariant validations and 64 numerical comparisons ; every numerical comparison passed at a tolerance of 1e-12. Agreement shows that two implementations reproduce the declared calculations. It is not peer review or proof that the model applies universally. Inspect the sanitized public evidence: - [Method, disclosure, and interpretation limits](https://gtogecko.com/data/cold-call-stack-depth/README.md) - [Aggregate summary (JSON)](https://gtogecko.com/data/cold-call-stack-depth/summary.json) - [Four matched comparisons (CSV)](https://gtogecko.com/data/cold-call-stack-depth/four-node-summary.csv) - [Sanitized reporting plan](https://gtogecko.com/data/cold-call-stack-depth/preregistration.md) The full hand-level matrices, internal identifiers, storage locations, hashes, and EV arrays remain private. The public bundle lets readers inspect the method and reconcile the published aggregate outputs across formats. It does not contain the hand-level inputs required to recompute overlap independently; authorized internal reviewers reproduced that calculation against the retained source. Where GTO Gecko Fits The current US [App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US), checked September 4, 2026, describe GTO Gecko as educational poker study software for reviewing available precomputed ranges, mixed action frequencies, actions, EV estimates, and range composition. You can use it to compare available matched spots and practice simulated decisions. The four comparisons here come from selected precomputed library spots. They are not custom solves made for this article, and the listings do not establish that every possible cold-call formation is available. Product details and the selected snapshot were checked on the publication date; no app binary was installed or tested for this article. Limits of This Study - Four selected comparisons cannot establish a universal direction for stack-depth effects. - The snapshot is a model comparison, not a sample of human hands or player-pool behavior. - The results do not transfer automatically to another rake, size, seat order, table format, stack, or action history. - The study observes allocation changes; it does not isolate why individual hands change or measure their future postflop value. - The aggregate results are a contrast drill, not a complete range to copy. Sources - GTO Gecko selected precomputed 6-max cash-library snapshot, accessed September 4, 2026; sanitized [aggregate summary](https://gtogecko.com/data/cold-call-stack-depth/summary.json), [method notes](https://gtogecko.com/data/cold-call-stack-depth/README.md), and [reporting plan](https://gtogecko.com/data/cold-call-stack-depth/preregistration.md). - [Apple App Store — GTO Gecko: Poker Study](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434), accessed September 4, 2026. - [Google Play — GTO Gecko: Poker Study](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US), accessed September 4, 2026. ### Hand-for-Hand Poker Rules: Who Cashes When Two Players Bust? https://gtogecko.com/blog/hand-for-hand-poker-rules Hand-for-hand poker means every table completes one designated hand, then waits until the other tables finish theirs before another hand begins. If two players bust in that synchronized batch, there is no universal tiebreak: the [2026 WSOP rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) tie same-batch bustouts from different tables, while the [PokerStars platform rules](https://www.pokerstars.com/poker/tournaments/rules/) rank them by their chip counts at the start of the hand—even across tables. The tournament's governing terms, published rules, and authorized decision-maker control. “Same hand” here means the same synchronized batch , not the same wall-clock second. A fast table can finish and wait while a slower table is still playing; eliminations at both tables can still belong to one hand-for-hand round. Scope: this is a current rule-profile comparison, not a universal ruling or payout promise. Poker TDA procedures, WSOP event rules, and PokerStars online-platform rules have different authority and scope. Confirm the structure sheet and house rules where you play. How One Hand-for-Hand Batch Works - Staff or the platform starts hand-for-hand play. Under the cited live profiles, tables finish the hand already in progress and then hold. - Each active table plays one designated hand. The hands need not start or finish at exactly the same time. - A finished table waits. It cannot begin an extra hand while another table is still resolving action. - Staff or the platform resolves eliminations and payouts for the batch. The rule profile determines whether same-batch bustouts tie or are ordered. - The next batch begins only after release. This repeats until the event reaches the stated threshold. Table A finishing first does not create an earlier elimination batch. All three tables cross the same resolution barrier before the next hand begins. The ordered list above is the text equivalent. The mechanism limits a structural advantage. Without synchronization, a table playing more hands can expose its players to more blinds and more elimination chances while a slow table waits. Hand-for-hand equalizes the number of designated hands; it does not guarantee that every player faces identical positions, decision time, or risk. The Announcement Hand Can Already Count for Payouts Do not assume eligibility begins with the first freshly dealt synchronized hand. [Poker TDA 2024 Recommended Procedure 8](https://www.pokertda.com/view-poker-tda-rules/) and WSOP Rule 126 both start payout eligibility at the hand-for-hand announcement, while the tables finish their current hands. Poker TDA's explicit boundary example A tournament pays 50 places. There are 52 players when hand-for-hand is announced, and three players bust during the hands already in progress. RP-8 says all three share the 50th-place payout. That example answers eligibility and sharing at one boundary. It does not publish a general TDA algorithm for ranking every same-batch bustout. For a different event, record the announcement, table numbers, starting stacks, and paid places, then apply the event's own placement rule. WSOP, Poker TDA, and PokerStars Use Different Profiles Current published text accessed September 4, 2026 Question Poker TDA 2024 RP-8 WSOP 2026 Rule 126 PokerStars platform Rules 2.2–2.3 What is synchronized? Tables finish the announcement hand, then use hand-for-hand procedure One hand per table, then play suspends until the next batch A table finishing first waits for the other table(s) Different tables, same batch General placement order not stated in RP-8 Tie for the place finish Rank by starting stack Same table, unequal starting stacks General placement order not stated in RP-8 Higher starting stack gets the higher finish Higher starting stack gets the higher finish Equal starting stacks Not stated in RP-8 No further tiebreak stated in the cited clause Tie; prizes due are distributed equally Clock treatment Maximum 3 minutes per hand; 2 recommended where possible Exactly 2 minutes per hand, including the announcement hand Not stated on the cited rules page Where it applies Recommended procedure for adopting tournaments Events governed by the 2026 WSOP rules Tournaments on the PokerStars platform The narrow scope in the last row matters. PokerStars opens its page by saying the rules apply to tournaments on its platform, complement its General Terms, and yield to those terms if the two conflict. Do not automatically transplant Rules 2.2–2.3 into a PokerStars-branded live event. Likewise, the TDA document says its procedures supplement house rules; it does not make RP-8 the law of every card room. The trigger can differ too. WSOP Rule 126 describes hand-for-hand near first money. PokerStars Rule 2.3 says its platform may use the procedure at certain stages, including where upcoming prizes jump significantly. The lobby, structure sheet, or authorized announcement defines the actual boundary. Worked Case: Two Players Bust at Different Tables Suppose staff announces hand-for-hand with 101 players remaining and 100 places paid. In that hand already in progress—the announcement hand and first synchronized batch: - Player A starts with 120,000 chips and busts at Table 12. - Player B starts with 40,000 chips and busts at Table 18. - The two pots finish several minutes apart, but both belong to the same batch. Same facts, different current rule profiles Profile Result What did not decide it? WSOP 2026 Both cash at this boundary. A and B tie for the place finish because they busted at different tables in the same hand-for-hand hand, and Rule 126 makes qualifying busters eligible for a share of the paid place(s). A's larger starting stack and the wall-clock order PokerStars platform A cashes; B does not. A finishes 100th and B 101st because 120,000 was greater than 40,000 at the start of the synchronized hand. Different table numbers and wall-clock order Poker TDA RP-8 alone Cannot be determined from RP-8 alone. Use the event's placement rule or authorized decision-maker. No missing rule should be invented Those cash outcomes are specific to the stated 101-left/100-paid facts. Under WSOP, the cited text establishes the tie and payout eligibility but does not print a complete arithmetic recipe for every number of paid places and every prize structure. Under PokerStars, Rule 2.2 says equal starting stacks tie and any prizes due to those players are distributed equally. Keep those statements attached to their own profiles. Worked Case: Two Players Bust at the Same Table Move both players to Table 12 and keep the same starting stacks. Under both WSOP Rule 126-b and PokerStars Rule 2.2, Player A receives the higher finish because A began the hand with 120,000 and B with 40,000. The comparison point is the start of the hand . It is not who lost the last pot first, who held the stronger final hand, who had more chips one street earlier, or whose cards the dealer exposed first. Side-pot sequencing can determine who wins chips, but once both players are eliminated, the cited placement rules look back to their starting counts. If the WSOP players began with exactly equal stacks at the same table, Rule 126-b supplies no further tiebreak in its text. The safe answer is not to borrow PokerStars' equal-stack language; it is to ask the WSOP floor or consult the event-specific instruction. Does the Tournament Clock Stop? Not in the simple sense of “bubble time is frozen.” WSOP Rule 126 assigns exactly two minutes to each hand-for-hand hand, regardless of its actual duration, beginning with the hand in progress when the announcement is made. If two counted hands finish, four minutes come off the tournament clock. Blinds continue to rise when new levels are reached. Poker TDA RP-8 instead sets a maximum deduction of three minutes per hand and recommends two minutes per hand where possible. It also says blinds continue increasing as time elapses off the clock. Those are not competing descriptions of one universal timer; they are different profiles. This makes stack context dynamic. A stack that was 12 big blinds at the announcement can be fewer big blinds after a level change even if only a small number of hands were dealt. Our [big-blind-ante stack worksheet](https://gtogecko.com/blog/big-blind-ante-stack-m-ratio) explains why both big blinds and orbit cost should be recorded when antes matter. Why Do Dealers Hold All-In Cards Face Down? During hand-for-hand play, WSOP Rule 126-g and Poker TDA RP-8-F instruct dealers to keep players' cards face down after an all-in and call and not deal more cards until instructed. Staff can then coordinate the reveal and runouts across tables instead of broadcasting one table's result while action continues elsewhere. This is a procedural hold, not a change to hand rankings or pot eligibility. Protect your cards, follow dealer instructions, and let the floor release play. A spectator's report from another table is not a substitute for the official resolution. Does Hand-for-Hand Eliminate Stalling? It removes the reward from making your whole table play fewer designated hands than another table, because every table must clear the same batch barrier. It does not make every slow decision harmless. A player can still delay the entire field or abuse a decision clock. WSOP Rule 80 expressly allows officials to put an intentional staller on a clock and says deliberately burning time banks to ladder can lead to a reduced clock or a penalty. Hand-for-hand is therefore a synchronization mechanism, not permission to delay. Players should act in a normal, timely way and call the floor when the procedure is unclear. A Five-Field Record for a Disputed Double Bust Before debating who cashed, write down the facts the governing profile actually uses: - Authority: the event name, structure sheet, house rule, and rule version. - Eligibility point: whether the bust occurred in the announcement hand or a later synchronized batch. - Batch and table: which designated hand and whether the players were at the same table. - Starting stacks: the official counts recorded at the start of that hand; ask the floor or check the lobby record if a count is disputed. - Payout boundary: players remaining, places paid, and the paid places crossed by the eliminations. Do not substitute the time shown on a livestream, the order social media reported the busts, or end-of-hand pot sizes. If a required fact is disputed, preserve the record and ask the floor. Tournament officials can inspect information unavailable to a player or article. A Live Example: Three Tables, Two Payouts A [December 2025 PokerStars report from the EPT Prague Main Event](https://www.pokerstars.com/poker/learn/news/ept-prague-tournament-mechanics-explained-when-is-a-bubble-not-a-bubble/) describes three players busting from three different tables in one hand-for-hand batch. The live event treated them as tied and split the two available payouts among all three. That is an observed live-event resolution, not authority for another tournament. It also shows why the operator's name is not enough to choose a rule profile: this EPT report describes a cross-table tie, while the current PokerStars platform rules compare synchronized bustouts by starting stack. Check the rule attached to the event itself. After the Ruling: What to Study Placement is an event-administration question; Independent Chip Model (ICM) study begins only after the payout state is known. Once staff confirm who remains, which prizes are locked, the new stacks, and the next blind level, you can study how the bubble changes ranges with our [ICM introduction](https://gtogecko.com/blog/icm-poker-strategy) or the [satellite endgame guide](https://gtogecko.com/blog/poker-satellites). For structured off-table practice, [ICM Trainer on the App Store](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367) and [Google Play](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en_US) currently describe 504 precomputed solutions across 310 stack profiles for 3–9-handed tournament situations, with full preflop trees and pairwise bubble-factor context. It is a study tool: it does not connect to poker clients or supply real-time play assistance. Disclosure: ICM Trainer and GTO Gecko are published by GTO Solutions AS. Sources, Evidence, and Method - Poker Tournament Directors Association, [2024 Rules Version 1.0](https://www.pokertda.com/view-poker-tda-rules/), Recommended Procedure 8. Accessed September 4, 2026. - World Series of Poker, [2026 WSOP Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), Rule 80 on printed page 18 and Rule 126 on printed pages 27–28. Accessed September 4, 2026. - PokerStars, [Tournament Rules](https://www.pokerstars.com/poker/tournaments/rules/), platform scope and Rules 2.2–2.3. Accessed September 4, 2026. - Howard Swains, PokerStars, [“EPT Prague: Tournament mechanics explained”](https://www.pokerstars.com/poker/learn/news/ept-prague-tournament-mechanics-explained-when-is-a-bubble-not-a-bubble/), December 11, 2025 event report. Accessed September 4, 2026. - Apple App Store, [ICM Trainer: Push/Fold Poker](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367), Version 1.1.0; and Google Play, [ICM Trainer listing](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en_US). Accessed September 4, 2026. Reproduce the comparison Ten fixed cases cover the TDA announcement example, WSOP and PokerStars double bustouts, equal stacks, clocks, and the all-in hold. Two cases deliberately answer “source silent.” The website generator and a standalone Python checker calculate the expected rows separately and reject changes to pinned source-derived inputs and descriptors. - [Profiles, inputs, expected outcomes, and limitations (JSON)](https://gtogecko.com/data/hand-for-hand-casebook.json) - [Flat case results (CSV)](https://gtogecko.com/data/hand-for-hand-casebook.csv) - [Independent standard-library checker (Python)](https://gtogecko.com/data/hand-for-hand-casebook-verifier.py) - [Reproduction steps and boundaries](https://gtogecko.com/data/hand-for-hand-casebook-README.md) Method: we compared each profile at the same decision boundaries, separated printed examples from derived comparisons, and marked unsupported cases as source-silent. Passing the checker proves that the bundle agrees with the ten declared cases; it does not prove that a tournament adopted a profile. Sources can change after the access date, so the governing event or platform rule remains authoritative. TDA rules used by permission of the Poker TDA, Copyright 2026, [http://www.pokertda.com](http://www.pokertda.com/), All rights reserved. ### How to Calculate a Pot-Sized Raise in PLO: Call, Pot, Raise-To https://gtogecko.com/blog/how-to-calculate-pot-sized-raise-plo To calculate a pot-sized raise in PLO, model a hypothetical call, then price a raise equal to the pot that would exist after that call. This is an arithmetic sequence, not an instruction to put calling chips forward before declaring a raise. Keep two outputs separate: the chips you add now and your final wager for the street. If you already committed chips, those numbers are not equal. Use this ledger at one decision point. Let P be the rules-profiled sizing pot immediately before you act, including every wager already made on this street unless the governing rule supplies a deemed amount; W the rules-profiled amount to match ; and S your own chips already committed this street. Under a full-blind normalization, W can be larger than the largest physical wager. Your call is C = W − S . Then: Call: C = W − S Sizing pot after the hypothetical call: P + C Maximum raise increment: P + C Chips added now: P + 2C Final raise-to: S + P + 2C The arithmetic is deterministic; the pot input is not always universal. Tournament and house rules decide which forced bets count, how dead or short blinds are treated, and how odd denominations are rounded. This article names the rules profile where that matters. Scope and disclosure: this is an off-table arithmetic worksheet based on [Poker TDA 2024](https://www.pokertda.com/view-poker-tda-rules/) and the [2026 WSOP Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf). Those documents do not govern every game; the event or house rules and floor decision control. GTO Solutions AS publishes this site and PLO Gecko, which is mentioned later. The worksheet is not live-play assistance, a betting engine, or a ruling. The Four-Line Pot-Raise Ledger Write the calculation in this order instead of reaching for a shortcut: - Record the pot before your action ( P ). Include wagers still in front of players, not only chips already swept into the center. Do not remove your own prior chips from this count. - Find your call ( C ). Subtract your current-street contribution from the rules-profiled amount you must match: C = W − S . - Build the sizing pot after the hypothetical call. Add the call once: P + C . That result is also the largest amount you may raise on top of the call. - Name the output. Add C + (P + C) chips now. Add your earlier contribution S only when stating the final raise-to. Every quantity describes the instant before the actor acts Symbol Meaning Common counting error P Rules-profiled pot before your action, including live street wagers Counting only the chips in the center W Rules-profiled amount the actor must match on this betting round Substituting a smaller physical blind when the named rule assumes full blinds S Your own contribution on this betting round Forgetting a blind, bet, or earlier raise C Amount you add to call: W − S Calling the full W again If no one has bet on the street, C = 0 : the maximum opening bet is simply the current pot. If you have nothing committed, S = 0 : chips added and the final wager are equal. The distinction matters after you post a blind, bet, or raise earlier on the same street. The $45 Repot: Why $540 and $585 Are Different Answers Start a postflop street with $45 in the pot. Player A bets $45. Player B raises the pot to $180. Action returns to A. How large is A’s maximum repot? Immediately before A acts again, the pot is P = 45 + 45 + 180 = 270 . The live wager is W = 180 , and A already has S = 45 on this street. The call is therefore C = 180 − 45 = 135 . Second repot ledger: same action, two useful output labels Line Calculation Result What it means Pot before action 45 + 45 + 180 $270 All chips already committed to the pot Call 180 − 45 $135 What A still owes to match B Sizing pot after hypothetical call 270 + 135 $405 The maximum raise increment Chips added now 135 + 405 $540 What leaves A’s stack now Final raise-to 45 + 540 $585 A’s total wager on this street $540 is not a rival maximum. It is the amount A adds now; $585 is A’s final street wager after including the $45 already committed. The HTML table above repeats every value. After A adds $540, the pot contains $810. This final pot is a useful checksum: $270 already present + $540 added = $810 . It is not part of the maximum-raise formula, but it catches arithmetic that accidentally counts A’s prior $45 twice. Three Preflop Examples With Prior Chips First to act at $1/$2: maximum open to $7 With a fully posted $1 small blind and $2 big blind, P = 3 , W = 2 , S = 0 , and C = 2 . After the call the pot would be $5, so you may raise another $5. You add $7 and open to $7 total . Big blind faces a raise to $7: maximum re-raise to $22 The small blind has $1, the big blind has $2, and the opener has $7, so P = 10 . The big blind has S = 2 already committed and calls only C = 7 − 2 = 5 . The pot after that call is $15, the maximum raise increment is $15, and the big blind adds 5 + 15 = 20 . Add back the posted $2 when naming the final wager: raise to $22 . Four-way limp reaches the big blind: maximum raise to $10 Suppose a $1/$2 pot has four players at $2 each, including the big blind. The counted pot is $8. The big blind already matches the $2 wager, so C = 0 and the maximum raise increment is $8. The big blind adds $8 to the posted $2 and raises to $10 total . A zero call does not mean a zero raise. These examples extend the quick $7/$40 introduction in our [five-stage PLO learning path](https://gtogecko.com/blog/how-to-learn-plo). The new variable is S : once the actor has chips on the street, “how much do I add?” and “what do I raise to?” split apart. Multiway Money Counts Before You Call Begin postflop with $30 in the pot. A bets $20 and B calls $20. C now wants to raise the pot. Before C acts, P = 30 + 20 + 20 = 70 . C has nothing committed, so the call is $20. The pot after calling would be $90, allowing a $90 raise increment. C adds 20 + 90 = 110 and raises to $110 . The caller’s $20 matters even though it did not change the highest wager. That is why a heads-up shortcut can fail in a multiway pot: it may describe the bet you face but omit calls already sitting on the felt. Now take a prior-bet example. A $60 pot sees A bet $20 and B raise to $70. When action returns, P = 60 + 20 + 70 = 150 , A has S = 20 , and the call is $50. The pot after calling is $200, so A may raise $200 on top. A adds $250 now and raises from the earlier $20 to $270 total . When Does the 3× Shortcut Work? A common heads-up shortcut says: pot-sized raise-to = pot before the bet + 3 × the bet . It works in one clean shape: you had nothing committed, exactly one opponent bet B into a prior-street pot Q , and no one called. At your decision point, P = Q + B , C = B , and S = 0 . The general formula becomes Q + B + 2B = Q + 3B . For a $100 pot and a $100 bet, that gives 100 + 3 × 100 = 400 . The full ledger reaches the same answer: $200 is present before you act; call $100; the pot after calling is $300; raise $300; put in $400 total. Audit the shortcut before using it: - Any callers? Their chips must be in the pot term. - Anything already committed by you? Calculate the smaller call and report a separate raise-to. - Is “the pot” measured before or after the bet? Label it. Mixing those definitions adds or drops one bet. - Is the current action a raise-to rather than a fresh bet? Use C = W − S ; do not multiply an unlabeled number. The shortcut is a compressed special case. The four-line ledger is the model. Poker TDA and WSOP Do Not Count Every Preflop Exception the Same Way [Poker TDA 2024 Rule 54](https://www.pokertda.com/view-poker-tda-rules/) says players are entitled to a pot count only in pot-limit. Postflop, bets use the actual pot. Preflop, however, a dead or short all-in blind does not change the calculation: pot and repot bets assume full blinds. Its explicit 100/200 examples—either a dead small blind with a full 200 big blind, or both blinds posting only 100—set the first player’s maximum pot wager at 700 . The [2026 WSOP Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) use different language. Rule 101 entitles the acting player to pot-size information in pot-limit, and the Pot Limit section says the dealer gives the current pot-sized bet on request. That section also says tournament bets, including the small blind, are counted at their true value . The CALL, POT, RAISE, and ALL-IN glossary entries and Rule 129 supply definitions and the table-stakes boundary used below. For the same dead-small-blind setup—100/200, no small blind posted, big blind 200—the WSOP true-value language leaves a $200 sizing pot. Its CALL glossary says the first player in a blind game matches the big blind. The ledger therefore derives $200 pot + $200 call = $400 , then adds the $200 call and $400 raise increment: $600 total . This is a transparent derivation from the cited clauses, not a worked example printed by WSOP. Named tournament profiles, accessed September 4, 2026 Question Poker TDA 2024 WSOP 2026 May the acting player request pot information? Yes, in pot-limit only Yes, in pot-limit; dealer supplies the current pot-sized bet Ordinary postflop count Actual pot True wager values under the event section Dead small blind at 100/200 $700, an explicit Rule 54-B example $600, derived from true-value counting and the full-big-blind call definition Short all-in big blind At 100/200 with both blinds physically 100, P = 300 and W = 200 ; explicit maximum is $700 No matching worked example in the cited tournament document; ask the floor What should a player do? Identify the event or house profile before supplying P and W TDA’s two examples also expose an important bookkeeping split. In the short-big-blind example, the largest physical wager is only $100, but the rules-profiled amount to match is $200. In both examples the sizing calculation begins from a deemed $300 even though only $200 is physically present. The sizing pot after the hypothetical $200 call is $500, while the physical pot at that stage would be $400. After the player adds $700, the physical pot is $900—not the $1,000 you would get by treating the deemed sizing pot as real chips. Use sizing quantities only for the ceiling; use actual contributions for the physical pot and later side pots. Do not turn the profile difference into an invented universal answer for every cash game, straddle, bring-in, or short-blind setup. Ask the dealer or floor which published rules apply, then put the supplied sizing pot and amount to match into the same ledger. The formula stays fixed; the profile controls its inputs. Pot Cap, Stack Cap, and Minimum Raise Are Three Different Checks The pot formula gives a maximum, not a command to wager that amount. Table stakes impose a second cap: if the full pot action requires $400 from your stack and you have only $250 behind, the most you can add is $250. In the $100-pot/$100-bet example, that makes your all-in wager $250 total rather than $400. A third question is whether an aggressive action reaches the minimum legal raise and reopens action. That uses the last full bet or raise increment, not the pot-size maximum. Our [short all-in reopening guide](https://gtogecko.com/blog/short-all-in-reopen-betting) tracks that decision player by player. Do not use the maximum-raise worksheet to infer raise rights. Side pots are separate again. They determine who can win which chips after unequal all-ins; they do not retroactively change a correctly identified wager. Use the [side-pot contribution ledger](https://gtogecko.com/blog/side-pot-equity-calculation) once action and returned uncalled chips are settled. What This Worksheet Does Not Decide - Returned uncalled wagers: establish the live pot with the dealer before calculating. - Minimum raises and reopening: those need action history and the last full increment. - Verbal or physical action: accepted action, string bets, undercalls, and overbets are ruling questions. - Rounding and special structures: chip denominations, bring-ins, straddles, antes, and house conventions can change the supplied inputs. - Strategy: “maximum legal” does not mean “highest-EV.” Ranges, equity, position, and stack depth still decide whether a pot raise is good. For the strategic side, start with the [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide). For the price of a call rather than the ceiling on a raise, use the [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math). Download and Reproduce the Worked Cases The published evidence bundle contains twelve deterministic fixtures. It includes the $7 open, $22 big-blind re-raise, $110 multiway raise, $585 repot, both TDA $700 examples, the labeled WSOP $600 derivation, and a stack-capped action. No simulation or random sampling is involved. - [Fixture inputs, equations, assumptions, and pinned results (JSON)](https://gtogecko.com/data/plo-pot-sized-raise-fixtures.json) - [Flat worked-case ledger (CSV)](https://gtogecko.com/data/plo-pot-sized-raise-results.csv) - [Independent standard-library verifier (Python)](https://gtogecko.com/data/plo-pot-sized-raise-verifier.py) - [Reproduction steps and boundary note](https://gtogecko.com/data/plo-pot-sized-raise-README.md) The verifier recomputes the results without importing the website’s JavaScript model, checks the CSV against the JSON, and separately pins the $540/$585 result, both TDA $700 profiles, and the WSOP $600 derivation. Passing it shows that the published files agree with the stated arithmetic. It does not certify a poker room’s rules or a live ruling. Practise the Arithmetic Before the Strategy Take one hand history and stop immediately before every bet or raise. Record the rules profile, P , W , and S ; calculate the call; then calculate both chips added and raise-to. Five careful ledgers will teach more than memorizing an unlabeled shortcut. [PLO Gecko’s current App Store listing](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play listing](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) describe a pot-limit-betting lesson and off-table PLO4/PLO5 decision training. That makes it a natural next step after the arithmetic. It is not a live pot counter, does not establish a house’s blind convention, and is not the source of the rules in this article. Frequently Asked Questions What is the formula for a pot-sized raise in PLO? Let P be the rules-profiled sizing pot before you act, W the rules-profiled amount to match, and S your contribution this street. First calculate C = W − S . The chips to add are P + 2C , and the final raise-to is S + P + 2C . Use one consistent unit. Does the bet I am facing already count in the pot? Usually yes. In this ledger, P is measured immediately before you act, so it normally includes the opponent’s wager, calls, and your own chips already committed. Add only your still-unmade call when building the sizing pot after the hypothetical call. A named deemed-pot rule can replace physical values, which is why P and W must come from one rules profile. Why is a second repot $540 added but $585 total? Because the actor already bet $45. Facing a raise to $180, the actor calls $135 and may then raise $405, adding $540 now. The final street wager is the earlier $45 plus that $540: $585. Does the 3× rule always calculate a pot-sized raise? No. It is safe for a clean heads-up fresh bet when “pot” means the pot before that bet and you had nothing committed. Callers, prior chips, raises-to, and shifting pot definitions make it ambiguous. The call–sizing-pot-after-call ledger handles all of those. Can I ask the dealer how much the pot is? Under the cited Poker TDA 2024 and WSOP 2026 tournament profiles, an acting player is entitled to pot information in pot-limit. Procedures outside those profiles can differ, especially in cash games. Follow the published house or event rules. Is this formula only for four-card PLO? No. It describes the pot-limit betting structure, not the number of hole cards. It can apply to PLO4, PLO5, PLO6, and other pot-limit games when the named game uses the same counted-pot convention. Variant-specific hand rules and house procedures still apply. Sources - [Poker Tournament Directors Association, 2024 Rules Version 1.0](https://www.pokertda.com/view-poker-tda-rules/) — Rule 54-B Examples 1 and 2, and Rule 57; accessed September 4, 2026. - [2026 World Series of Poker Official Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) — Rules 101 and 129, Pot Limit section, and CALL/ALL-IN/POT/RAISE glossary entries; accessed September 4, 2026. - [PLO Gecko: Omaha Poker Trainer, Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) — product-scope cross-check; accessed September 4, 2026. - [PLO Gecko: PLO5 Omaha Trainer, Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) — product-scope cross-check; accessed September 4, 2026. ### PKO Bounty Value: Separate Cash from Future Value https://gtogecko.com/blog/pko-bounty-value There is no universal PKO bounty-to-chips conversion. Build a branch ledger instead: put complete continuation values—including every future prize and bounty path except the current immediate cash B and any explicitly isolated incremental progressive-transfer term H —in F , W , and L . For a closed heads-up decision with one win branch and a nonzero denominator, the algebraic break-even crossing is q* = (F − L) / (W + B + H − L) . In the constructed example below, F = 120 , W = 165 , L = 0 , B = 50 , and H = 0 , all in the same synthetic value units. The exact threshold is 120 / 215 = 24 / 43 = 55.81% . Removing the immediate bounty gives 120 / 165 = 8 / 11 = 72.73% . That comparison shows how an input changes a model; it is not a recommendation to call with 55.81% card equity. Disclosure: GTO Solutions AS publishes GTO Gecko and this article. The branch-value method, inputs, chart, calculator, and verification bundle were created for this article. They are an off-table planning model, not financial advice, tournament advice, or a PKO solver. The worked numbers are synthetic and do not represent a customer, operator, hand history, or product output. Before using the calculator - Read the event rules. The bounty split, side-pot award, rounding, and winner treatment can differ by operator and event. - Choose the same declared value unit for every branch. Do not add cash dollars to raw tournament chips. - List every material branch. Multiway pots, ties, side pots, and survival-with-chips outcomes need more than one win/lose percentage. - Keep H visible. It is the optional incremental effect of the current progressive transfer excluded from W , not cash already received or a catch-all for later bounties. Separate Three Kinds of Value Before You Count a Bounty A PKO decision can move three different ledgers. Collapsing them into “pot plus bounty” hides the largest assumptions. - Complete continuation value. F , W , and L model the whole future path after folding, winning, or losing: ordinary prizes, the existing bounty path, and later knockout opportunities. They exclude only the current immediate cash B and an incremental progressive-transfer effect deliberately isolated in H . A declared ICM calculation can supply the ordinary-prize component; our [ICM guide](https://gtogecko.com/blog/icm-poker-strategy) supplies the background. Gilbert's primary paper, [The Independent Chip Model and Risk Aversion](https://arxiv.org/abs/0911.3100), formalizes ICM as a model for expected value in poker tournaments and demonstrates why even a fair chip bet can change that modeled value. - Immediate bounty cash. B is cash the operator actually pays you in the modeled branch. It belongs only in branches where you both eliminate an eligible player and receive that bounty under the event's rules. - Isolated progressive-transfer effect. H is an optional estimate of the incremental effect of the amount newly added to your own bounty. It is not the displayed addition itself or a container for future bounty value omitted from F , W , or L . If the continuation values already include this incremental transfer, set H = 0 . This is a measurement rule as much as a formula. If F , W , and L are in dollars of modeled continuation value, then B and H must also be in dollars. If they are normalized units, everything must use that normalization. A chip-to-cash shortcut that ignores stack distribution, payouts, and bounty paths does not make unlike units comparable. The distinction matches one documented operator implementation. PokerStars' current [knockout help page](https://www.pokerstars.com/help/articles/trn-knockout/213397/), accessed September 4, 2026, says that in its described PKO structure an eliminator receives 50% of the opponent's bounty as cash and the remaining 50% is added to the eliminator's bounty. Its broader [tournament-types page](https://www.pokerstars.com/poker/tournaments/types/), accessed the same day, calls those percentages typical and tells players to check the lobby for exceptions. In that described structure, eliminating a player shown with a $100 bounty can make B = $50 ; it does not make H = $50 automatically. This page handles the pre-elimination PKO decision. If a mystery-bounty token has already been earned, our [mystery-bounty timing study](https://gtogecko.com/blog/mystery-bounty-draw-timing) owns the separate question of drawing now or waiting under a stated finite-pool mechanism. The Two-Branch Threshold For the narrow case with exactly two mutually exclusive outcomes—win the relevant pot and receive its bounty, or lose—define: - q : probability of the modeled win-and-eliminate branch; - F : complete continuation value after folding, including all later prize and bounty paths; - W : complete post-decision continuation value after winning, including all later prize and bounty paths and already net of the decision cost, but excluding current B and any incremental transfer isolated in H ; - L : complete post-decision continuation value after losing, including every future path that remains and already net of the decision cost, but excluding current B and any isolated H ; - B : immediate cash bounty in the win-and-eliminate branch; - H : optional incremental effect of the current progressive transfer, used only when that effect is excluded from W . The two alternatives are: EV(fold) = F EV(play) = q(W + B + H) + (1 − q)L Set them equal and solve for q : q* = (F − L) / (W + B + H − L) Let D = W + B + H − L . The equality q* = (F − L) / D is defined when D ≠ 0 . In the usual case D > 0 , play has at least as much modeled value as folding when q ≥ q* ; if D < 0 , the inequality reverses to q ≤ q* . If D = 0 , probability drops out: compare L with F , with every q tying only when they are equal. A crossing below 0 or above 1 is outside the feasible probability interval; report the resulting dominance or review the inputs instead of clamping it into a normal poker threshold. The two stated branches must still exhaust the outcomes. W and L are complete values of the states reached after choosing to play. Do not subtract the call, add the pot, or credit the won chips again if the continuation model already priced that state. Doing so would count the wager or award twice. In a truly closed, heads-up all-in where a clean win always eliminates the covered opponent, q may be derived from showdown equity after treating ties explicitly. In most other spots, it is a branch probability , not a hand-equity label. Fold equity, a surviving opponent, or a side pot can each create more branches. Worked Example: Immediate Bounty Worth 50 Units Consider a synthetic, heads-up, closed-action comparison. A separate tournament model has already converted every complete continuation outcome—including any existing-bounty and later-knockout paths—into the same value unit: Constructed two-branch inputs; no real hand or operator output Input Value Included Excluded F 120 Complete future path after fold Current B and isolated H W 165 Complete future path after win Current B and isolated H L 0 Complete future path after loss Current B and isolated H B 50 Cash paid now on elimination Progressive transfer H 0 No transfer increment isolated from W Displayed amount added to hero's bounty The fold branch is worth 120. The successful play branch is worth 165 + 50 + 0 = 215 ; the loss branch is worth zero. Therefore: EV(play) = q × 215 + (1 − q) × 0 q* = 120 / 215 = 24 / 43 = 0.55813953… = 55.81% At a hypothetical branch probability of 60%, the model gives EV(play) = 0.60 × 215 = 129 , nine units above folding. Without the immediate bounty, the threshold would be 120 / 165 = 8 / 11 = 72.73% . Both statements are arithmetic conditional on the five inputs. Neither validates those inputs or says a 60%-equity hand should be played. Use the [offline-capable branch-value calculator](https://gtogecko.com/data/pko-bounty-value/calculator.html) to change the inputs. Start with a zero-isolated-transfer baseline at H = 0 , then add clearly labeled negative or positive incremental cases only if you have a defensible model for the current transfer. Why the Progressive Half Is Not $50 of Cash Under the PokerStars example above, half of an eliminated player's bounty goes to the eliminator's account and half increases the bounty displayed on the eliminator. Those transfers have different owners and different timing. The first is immediate cash to you. The second makes you a larger target; whether any of it later becomes money for you depends on future tournament branches and the applicable winner, elimination, split, and cancellation rules. For this reason, H should be only the incremental modeled effect of the new transfer not already captured in W , not the face amount transferred. A useful audit is to publish at least two runs: - zero-isolated-transfer baseline: set H = 0 without calling it a lower or upper bound; - declared transfer-effect cases: supply model-derived negative and/or positive values of H and explain their horizon, tournament state, and treatment of the current added amount. Zero is a baseline, not a bound or automatically a conservative estimate. A future-state model could assign positive value if the transfer may later return to you, or negative value if the larger target changes opponents' incentives in a way that reduces your modeled continuation value. The sign must come from the declared model rather than the word “bounty.” Do not put the same progressive transfer into both W and H . F , W , and L must always include existing-bounty value and every later prize or knockout path. If W also includes the incremental effect of this new transfer, set H = 0 ; otherwise isolate only that increment in H . That is the model's main double-counting check. Even the cash split is not universal. A published [WSOP Circuit $400 Progressive Knockout structure sheet](https://assets.wsopcdn.com/wsop/pdfs/structuresheets/structure_5765_24602.pdf), accessed September 4, 2026, allocates $100 of the entry to non-value bounty chips, sends part of an eliminated bounty to cash, adds another part to the winner's bounty with $25 rounding, and states its own split-pot and final-winner treatment. That is evidence for that event's rules, not permission to transplant them into another lobby. Build a Branch Ledger for Multiway and Side-Pot Hands A single win percentage breaks down in multiway pots because “best hand,” “wins a pot,” and “earns a bounty” can describe different players. PokerStars' current [tournament rules](https://www.pokerstars.com/poker/tournaments/rules/), accessed September 4, 2026, define the bounty's “relevant pot” as the pot in which the bounty player was all-in for their final chips. Their published example awards one short player's bounty to the main-and-side-pot winner and a different player's bounty to the winner of a later side pot; the best hand overall cannot collect a bounty from a player they did not cover. Identical winning hands split the relevant bounty under that ruleset. Model that structure with a ledger instead of one enlarged pot. First construct the actual main and side pots, record who is eligible for each, and apply the operator's showdown and bounty-award order. Only then enumerate the settlements that can really occur; do not manufacture a Cartesian product of pot-result labels. Branch ledger template for an operator-specific multiway hand Branch Actual settlement and eligibility Probability Complete continuation value Immediate bounties Isolated transfer effect Branch 1 First distinct legal pot settlement and its bounty recipients p₁ T₁ B₁ H₁ Branch 2 Next distinct settlement after applying pot eligibility and showdown order p₂ T₂ B₂ H₂ Branch 3 Next distinct settlement, including survival or elimination and zero bounties where applicable p₃ T₃ B₃ H₃ Branch 4 Final distinct settlement needed to exhaust this hand's modeled outcomes p₄ T₄ B₄ H₄ Folding remains the separate comparator worth F . The four rows above are placeholders, not presumed combinations; add, split, or remove rows to match the legal settlements of the actual hand. Then calculate Σ pᵢ(Tᵢ + Bᵢ + Hᵢ) and verify that Σ pᵢ = 1 . If a tie has nonzero probability, split the affected row into operator-specific tie sub-branches before summing; do not bury split and rounding rules inside an average bounty. The probabilities are joint outcome probabilities derived from actual pot eligibility and showdown order. They must respect card removal, ties, stack coverage, folds, and which side pots each player can win. Adding two heads-up equities will generally not produce them. Freeze one accounting baseline across the ledger. Every Tᵢ must include the complete future path, including the existing bounty and later knockout opportunities. Hᵢ contains only the incremental effect of the new progressive transfer if that effect was deliberately excluded from Tᵢ ; otherwise set Hᵢ = 0 . Mixing those conventions across rows creates either an omission or double counting. Also separate “wins the pot” from “eliminates the player.” If the target covers you, doubling through them does not earn their bounty. If a third player wins the target's relevant pot, you may win a side pot and still receive no bounty. The branch ledger makes those zeroes explicit. How the Threshold Moves Holding F = 120 , W = 165 , L = 0 , and H = 0 fixed, the table varies only immediate bounty cash. This is a sensitivity study, not four estimates of one real hand. Narrow screen? Scroll the chart horizontally to compare all four immediate-bounty cases. Synthetic sensitivity with only B changed. The table is the complete text equivalent; the public bundle provides machine-readable reference data. Required branch probability as immediate bounty cash changes Immediate bounty B Win-branch value W + B + H Exact expression Required q* 0 165 120 / 165 72.73% 25 190 120 / 190 63.16% 50 215 120 / 215 55.81% 75 240 120 / 240 50.00% The curve falls because only the successful branch receives B . That monotonic result is conditional on every other input staying fixed. In a real tournament, a larger bounty can coincide with a different stack distribution, range, payout state, and chance of elimination. Recompute the full branch ledger instead of reading across this chart. An Off-Table Study Workflow - Record the operator and event. Save the lobby or structure sheet that defines the buy-in allocation, cash split, progressive transfer, side-pot award, split rounding, and final-winner rule. - Draw the pots and stacks. Mark who covers whom and the relevant pot for each all-in player. Do not assign a bounty merely because your hand can beat theirs. - Choose the common unit. Estimate complete continuation values F , W , and L —including existing and later prize and bounty paths—in one documented value system. - Enter immediate cash only in B . Apply it only to branches where the event rules award it to you. - Run H = 0 first. If you isolate an incremental effect of the current progressive transfer, publish that assumption separately and check that W does not already include it. - Enumerate branches. Include folds, wins, losses, ties, distinct legal side-pot settlements, survival, and every distinct bounty award. Confirm probabilities sum to one. - Stress the inputs. Vary F , branch probabilities, and H ; report whether the decision changes rather than presenting extra decimals as certainty. The calculator supports the two-branch arithmetic. The CSV branch ledger is the starting point when the hand has more outcomes. Neither supplies ICM inputs, ranges, fold equity, or joint multiway probabilities for you. Method, Downloads, and Independent Check The public JavaScript generator freezes the five-input example, the four-row bounty sensitivity, the branch ledger, the chart, and the browser calculator. A separate Python standard-library verifier recomputes the equations and invariant checks without importing or invoking the JavaScript implementation. SHA-256 hashes cover the release artifacts. Audit or reuse the complete bundle: - [Interactive two-branch calculator](https://gtogecko.com/data/pko-bounty-value/calculator.html) - [Method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/pko-bounty-value/README.md) - [Machine-readable reference data (JSON)](https://gtogecko.com/data/pko-bounty-value/reference.json) and [frozen expected-check specification (JSON)](https://gtogecko.com/data/pko-bounty-value/verification-report.json) - [Worked branch ledger (CSV)](https://gtogecko.com/data/pko-bounty-value/branch-scenarios.csv) and [immediate-bounty sensitivity (CSV)](https://gtogecko.com/data/pko-bounty-value/sensitivity.csv) - [Primary JavaScript generator](https://gtogecko.com/data/pko-bounty-value/generate.mjs), [independent Python verifier](https://gtogecko.com/data/pko-bounty-value/verify.py), and [SHA-256 manifest](https://gtogecko.com/data/pko-bounty-value/MANIFEST.sha256) - [Bundle-local chart copy (SVG)](https://gtogecko.com/data/pko-bounty-value/pko-bounty-value-branches.svg) and [bundle-local hero copy (WebP)](https://gtogecko.com/data/pko-bounty-value/pko-bounty-value.webp) Save every linked file in one flat directory. From that directory, run node generate.mjs , then python verify.py . Exact rational checks back the displayed 24/43 and 8/11 results; rounded percentages never feed back into the computation. A successful verifier run confirms agreement between the two implementations and catches many arithmetic and serialization errors. The frozen expected-check specification is not an execution receipt, and neither it nor a successful run proves the input values, branch probabilities, or operator interpretation. Where GTO Gecko Fits Use GTO Gecko off-table to review a comparable available precomputed scenario, including the available actions, action frequencies, EV estimates, and range composition. The [current US App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434), accessed September 4, 2026, supports that narrow educational workflow. Keep the bounty overlay in the separate worksheet above. GTO Solutions AS publishes GTO Gecko and this article. The store listing describes GTO Gecko as educational study software with precomputed outputs and simulated scenarios. It does not claim that every arbitrary PKO node is available or that the app accepts this five-input model. It is not a PKO calculator. A non-bounty library spot can be a baseline only when its positions, stacks, pot, board, and action tree are actually comparable; it cannot silently supply B , H , operator rules, or tournament-equity inputs. Limits of the Planning Model - Inputs, not truth: the formula propagates F , W , L , B , H , and branch probabilities. It does not estimate them. - Complete, common-unit values required: cash and tournament chips cannot be added directly, and F , W , and L cannot omit existing-bounty or later-knockout paths. The article does not prescribe one ICM or tournament-value implementation. - Two-branch scope: the closed-form threshold assumes one successful bounty branch and one loss branch. Use the general ledger for folds, ties, side pots, several opponents, partial wins, and survival states. - Progressive uncertainty: H is only the user-modeled incremental effect of the current transfer excluded from W . Setting it equal to the displayed transfer is unsupported. - Operator dependence: PokerStars and the cited WSOP Circuit event are examples of their own published rules. Always use the current rules for the specific event. - No strategy output: the model does not create ranges, solve an equilibrium, forecast a field, account for skill, or recommend a poker action. - No outcome promise: expected value under a model is not a prediction of one hand, cash, tournament finish, or future result. The useful habit is simple: one row per possible branch, one column per kind of value, and one declared unit. If the decision changes when H moves away from zero, the honest conclusion is that the isolated current-transfer assumption—not the displayed bounty—controls the answer. Sources - PokerStars, [What are Knockout (KO) tournaments on PokerStars?](https://www.pokerstars.com/help/articles/trn-knockout/213397/) Used for the operator's described PKO cash/progressive split and winner treatment; accessed September 4, 2026. - PokerStars, [Tournament Types](https://www.pokerstars.com/poker/tournaments/types/). Used for the stated common PKO buy-in allocation, progressive mechanism, exceptions, and event-lobby warning; accessed September 4, 2026. - PokerStars, [Tournament Rules](https://www.pokerstars.com/poker/tournaments/rules/). Used for the relevant-pot, stack-coverage, side-pot, identical-hand split, and ICM-description claims; accessed September 4, 2026. - WSOP Circuit, [$400 Progressive Knockout structure sheet](https://assets.wsopcdn.com/wsop/pdfs/structuresheets/structure_5765_24602.pdf). Used only as an operator-specific example of allocation, rounding, split-pot, and final-winner rules; accessed September 4, 2026. - George T. Gilbert, [The Independent Chip Model and Risk Aversion](https://arxiv.org/abs/0911.3100), 2009. Used for the ICM expected-tournament-value framing and the warning that fair chip gambles need not preserve modeled prize-pool value; accessed September 4, 2026. - GTO Gecko, [public method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/pko-bounty-value/README.md), generated September 4, 2026, with an independent verifier readers can run locally. - Apple App Store, [GTO Gecko: Poker Study](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434). Used for the bounded product-study description; accessed September 4, 2026. ### PLO Freeroll: When the Same Nut Straight Is Not a Chop https://gtogecko.com/blog/plo-freeroll-same-straight A redraw while sharing the nuts is not automatically a PLO freeroll. In the strict showdown test used here, both players hold the same current nut straight, Hero can scoop on at least one legal completion, and Hero cannot lose on any legal completion. With J-T on 9♠ 8♠ 7♦ 2♣, adding A♠ K♠ passes that test: Hero wins on 9 of 40 rivers, chops 31, loses none, and owns 61.25% equity . Change only the opponent’s side cards to pocket deuces—which also make a set using the board deuce—and the label fails. Hero still holds the nut-flush redraw, but now wins 7 rivers, chops 23, and loses 10. The resulting 46.25% equity is below half. “I have the same nuts plus a redraw” is therefore not a complete diagnosis. Scope and disclosure: this article covers heads-up four-card PLO high with fixed visible cards, a standard 52-card deck, and no future betting. GTO Solutions AS publishes this site and PLO Gecko. The casebook is open exhaustive enumeration, not product output, a solver strategy, or an outcome promise. The Strict Three-Part PLO Freeroll Test - Tied now: both players’ best legal five-card hands are identical in rank. - A scoop exists: at least one legal final-board completion makes Hero win outright. - No loss exists: no legal completion makes Hero lose. A locked chop passes the first and third conditions but fails the second. A redraw that is dominated, or one facing a full-house counter-redraw, fails the third. Poker writing sometimes uses “freeroll” more loosely for a player who has a large one-sided advantage while sharing a made hand. The strict definition above is operational: anyone can test it completion by completion. The underlying Omaha rule matters. The current [PokerStars Omaha rules](https://www.pokerstars.com/poker/games/omaha/), checked September 4, 2026, require exactly two of four hole cards and exactly three board cards. They also state that identical hands divide the pot. Our evaluator enforces those constraints for every row. Showdown equity = (Hero wins + ties ÷ 2) ÷ legal completions Scoop probability and equity are different numbers. The A♠ K♠ case scoops 9/40 rivers, or 22.5%, yet its equity is 61.25% because each of the 31 chops returns half the pot. Six Exact Same-Nut-Straight Profiles Every row begins with both players holding the current highest possible straight. Each starting board is unpaired and contains at most two cards of one suit, so no full house, quads, flush, or straight flush is available; in these six states, the nut straight is also the current overall nuts. The first five start on the turn, where twelve cards are known and 40 rivers remain. The sixth reproduces a published flop matchup, where eleven cards are known and C(41,2) = 820 unordered final boards remain. Suits are fixed; these are physical-card examples, not averages over hand classes. Narrow screen? Scroll the table horizontally to inspect the cards and every outcome count. Hero’s exhaustive fixed-card results; W/T/L means wins, ties, and losses, and equity is rounded to the displayed precision Profile Board Hero Villain Completions W/T/L Equity Strict result Locked chop 9♠ 8♠ 7♦ 2♣ J♥ T♥ A♣ K♦ J♦ T♦ 3♣ 4♣ 40 rivers 0 / 40 / 0 50% Not a freeroll Nut-flush redraw 9♠ 8♠ 7♦ 2♣ J♥ T♥ A♠ K♠ J♦ T♦ 3♣ 4♣ 40 rivers 9 / 31 / 0 61.25% True freeroll Higher-straight redraw T♠ 8♠ 7♦ 2♣ Q♥ 9♥ J♣ 3♦ J♦ 9♦ 4♣ 5♣ 40 rivers 4 / 36 / 0 55% True freeroll Dominated flush redraw 9♠ 8♠ 7♦ 2♣ J♥ T♥ 5♠ 3♠ J♦ T♦ A♠ K♠ 40 rivers 0 / 33 / 7 41.25% Not a freeroll Nut-flush redraw vs set 9♠ 8♠ 7♦ 2♣ J♥ T♥ A♠ K♠ J♦ T♦ 2♦ 2♥ 40 rivers 7 / 23 / 10 46.25% Not a freeroll Published flop example 9♥ 8♦ 7♦ A♣ A♠ J♦ T♣ K♦ Q♦ J♥ T♥ 820 final boards 28 / 377 / 415 26.40% Not a strict freeroll Narrow screen? Scroll the chart horizontally to compare all six completion profiles. Text equivalent: locked chop 0/40/0; nut-flush redraw 9/31/0; higher-straight redraw 4/36/0; dominated flush redraw 0/33/7; nut-flush redraw versus a set 7/23/10; published flop example 28/377/415. Only the second and third rows meet the strict freeroll test. Why Nine Spades Create a True Freeroll On 9♠ 8♠ 7♦ 2♣, both players use J-T with 9-8-7 for a jack-high straight, the current nut straight. Hero’s A♠ K♠ cannot form a flush yet because an Omaha hand must use three board cards. Any spade river supplies that third board spade. There are 13 spades in the deck. Four are known—9♠, 8♠, A♠, and K♠—so nine remain. Each gives Hero an ace-high flush; none gives Villain a better hand. The other 31 rivers preserve the shared straight or an equal improvement. That is the clean 9 wins, 31 ties, 0 losses partition. A Side Card Can Freeroll Without a Flush Draw On T♠ 8♠ 7♦ 2♣, both players’ J-9 makes the jack-high nut straight. Hero also holds Q♥. A remaining jack lets Hero use Q-9 with J-T-8 from the board for a queen-high straight. A remaining nine lets Hero use Q-J with T-9-8. One jack and one nine already sit in each player’s hand, leaving two of each: four scoop rivers . No river makes Villain win, so 4/36/0 is a true freeroll with 55% equity. This example is useful because it removes the visual cue of a flush draw. The test is about the full completion tree, not the draw’s name. Two Ways a Redraw Fails The opponent owns the better version Give Hero 5♠ 3♠ and Villain A♠ K♠ on the original 9♠ 8♠ 7♦ 2♣ board. Six spades are known, leaving seven. Every one of those seven rivers now makes both players a flush, and Villain’s ace-high flush wins. The 33 non-spades chop. Hero has a redraw in ordinary language, but the exact profile is 0/33/7 and 41.25% equity . A different redraw beats your best cards Return A♠ K♠ to Hero, but give Villain J♦ T♦ 2♦ 2♥. The paired side cards turn every remaining board-pairing river into at least a full house: three nines, three eights, three sevens, and the last deuce, for ten losses. Nine spades are nominal flush rivers, but 7♠ and 2♠ also pair the board; Villain’s full house or quads beats the flush. Hero therefore has only seven wins, alongside 23 chops and ten losses. This is the casebook’s central correction. Counting your own scoop cards is only half the job. You must also enumerate the opponent’s better redraws and the overlaps where one river completes both. The Current PokerStars Example, Recounted Exactly A current [PokerStars PLO strategy article](https://www.pokerstars.com/poker/learn/strategies/plo-six-common-mistakes/), checked September 4, 2026, illustrates a “freeroll situation” on 9♥ 8♦ 7♦. Hero has A♣ A♠ J♦ T♣ and Villain has K♦ Q♦ J♥ T♥. Both currently make the jack-high nut straight. PokerStars describes the K-Q-J-T hand—our Villain—as the freerolling side; our ledger keeps the A-A-J-T hand as Hero to match the source’s displayed 26.40% perspective. PokerStars reports the result per 1,000: Hero wins 34, ties 460, and Villain wins 506, giving Hero 26.40% equity. Our exhaustive count over the exact finite sample space is 28 wins, 377 ties, and 415 losses across 820 final boards . Scaled to 1,000, those values are 34.146, 459.756, and 506.098—respectively 34, 460, and 506 after whole-number rounding. The agreement is a useful external check, but the terminology is looser than our operational definition. From Villain’s perspective, the exact partition is 415 wins, 377 ties, and 28 losses, or 73.60% equity . Those 28 losses mean neither side passes the zero-loss test. This is also a flop state with two cards to come, not one of the five turn demonstrations. How to Audit a Same-Nuts PLO Spot - Build the current hand legally. Name the exact two hole cards and three board cards each player uses. Confirm that the shared straight is actually the nuts. - Mark your scoop completions. Count physical cards, not only ranks, and subtract every visible blocker from both four-card hands. - Mark every loss. Look for a higher flush, higher straight, board pair, full house, quads, and any counter-redraw created by side cards. - Resolve overlaps. A card such as 7♠ can complete your flush and the opponent’s full house. Award the final hand, not the first draw you noticed. - Keep showdown equity separate from action EV. Ranges, position, stack-to-pot ratio, bet size, future actions, fold equity, and rake are absent from a fixed-card river ledger. For flop wraps and the difference between nut and dirty outs, continue with the [PLO wraps guide](https://gtogecko.com/blog/plo-wraps-guide). For the conceptual boundary between equity and expected value, use [poker equity explained](https://gtogecko.com/blog/poker-equity-explained). Method, Independent Check, and Downloads The JavaScript generator constructs a standard 52-card deck, checks collision-free inputs, verifies that both players share the board’s highest possible straight, and evaluates every legal completion using exactly two hole and three board cards. There is no random seed or sampling error. The 40-card turn rows and 820-board flop row each partition completely into wins, ties, and losses. The separate Python reimplementation does not import the JavaScript evaluator. It parses cards, evaluates five-card hands, applies the Omaha construction rule, recomputes the nut-straight ceiling, and reconciles every outcome, display card, hand category, and best-five construction across all 1,020 CSV rows. Its frozen run passed 8,263 checks with assertion checks enabled. Agreement is evidence that two implementations reproduce the declared model; it is not peer review or certification of arbitrary PLO software. - [Question, rules, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/plo-freeroll/README.md) - [Frozen case inputs and expected results (JSON)](https://gtogecko.com/data/plo-freeroll/cases.json) - [Machine-readable case summary (JSON)](https://gtogecko.com/data/plo-freeroll/summary.json) - [All 1,020 completion-level outcomes (CSV)](https://gtogecko.com/data/plo-freeroll/final-board-outcomes.csv) - [Primary JavaScript generator](https://gtogecko.com/data/plo-freeroll/plo-freeroll-generator.mjs) and [separate Python reimplementation](https://gtogecko.com/data/plo-freeroll/plo-freeroll-verifier.py) - [Frozen verification report](https://gtogecko.com/data/plo-freeroll/verification-report.json) and [SHA-256 manifest](https://gtogecko.com/data/plo-freeroll/MANIFEST.sha256) What the Casebook Does Not Decide - Not a strategy node: fixed cards and equal completion likelihoods do not supply ranges, frequencies, position, stack depth, or a betting tree. - Not action EV: 61.25% showdown equity does not by itself tell you whether to check, bet, call, raise, or fold. - Not multiway: extra hands change card removal, scoop paths, and pot shares. - Not every Omaha variant: the cases use four-card PLO high, not PLO5, PLO6, Omaha Hi/Lo, wild cards, or a nonstandard deck. - Not a population estimate: six diagnostic examples do not measure how often freerolls occur in play. The current [US App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) listings for PLO Gecko, checked September 4, 2026, describe PLO4 and PLO5 study and training. Use it for the workflows stated in those listings, or start with our broader [PLO learning path](https://gtogecko.com/blog/how-to-learn-plo). This article did not install or test the app, and the open casebook does not establish that an app contains these six exact states. Frequently Asked Questions What is a nut-straight freeroll in PLO? In this article’s strict showdown definition, both players share the current nut straight, Hero has at least one way to scoop, and Hero has no way to lose over all legal final-board completions. This is different from a freeroll tournament, where entry does not require the usual buy-in. Is every redraw to the shared nuts a freeroll? No. A lower flush draw can be dominated, and a nut-flush draw can still lose to full-house or quads counter-redraws. Enumerate both players’ winning cards and resolve overlaps. Can you hold the current nuts and have less than 50% equity? Yes. In the pair-counter-redraw case, both players share the nut straight, but Hero has 46.25% equity. In the dominated-flush case, Hero has 41.25%. Why are there 40 rivers on the turn? Twelve cards are known: four board cards and eight hole cards. Removing them from a 52-card deck leaves 40 distinct river cards. Why are there 820 final boards on the flop? Eleven cards are known, leaving 41. With no future betting, turn-river order does not change the final showdown, so there are C(41,2) = 820 equally likely unordered pairs. Does a freeroll mean I should always raise? No. The label describes a fixed-card showdown completion tree. An action still depends on ranges, pot size, remaining stacks, future betting, fold equity, position, and rake. Sources - PokerStars, [How to Play Omaha Poker](https://www.pokerstars.com/poker/games/omaha/). Rules for four hole cards, exactly two hole cards plus three board cards, a 52-card deck, and split identical hands. Accessed September 4, 2026. - PokerStars Learn, [PLO: Six Common Mistakes](https://www.pokerstars.com/poker/learn/strategies/plo-six-common-mistakes/). Published June 24, 2026; fixed-card comparison and per-1,000 outcomes. Accessed September 4, 2026. - GTO Gecko, [PLO freeroll casebook evidence bundle](https://gtogecko.com/data/plo-freeroll/README.md). Generated and independently checked September 4, 2026. - PLO Gecko, [US App Store listing](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play listing](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). Product context accessed September 4, 2026. ### Poker Bunching Effect: Do Preflop Folds Change the Deck? https://gtogecko.com/blog/poker-bunching-effect Preflop folds do not physically change the deck. They can change the probabilities you should assign to its unseen cards. That only happens when the chance of folding depends on the private hand: the action then carries partial information about cards you cannot see. Poker players call this conditional card-removal pattern the bunching effect . One result matters immediately: the number of folds is not enough to determine either the size or the direction of bunching. In our reproducible experiment, five fold policies all had the same 60% average fold likelihood on a fresh deck. A random-fold control caused exactly zero theoretical change. Three policies left aces more likely in the Button's hand after upstream folds. A deliberately inverted policy left aces less likely. Composition—not the headline fold percentage—did the work. Scope: this is a card-composition experiment with transparent synthetic fold-likelihood policies. It is not a model of real players, a solved GTO range, an exploit, an EV estimate, or a GTO Gecko product output. The 95% intervals quantify Monte Carlo error conditional on each policy; they do not quantify whether that policy resembles poker played in the wild. What Is the Bunching Effect in Poker? The bunching effect is the change in your probability distribution over unseen cards after you observe actions that depend on hidden cards. Suppose several players fold before the Button. You do not see their hands, but under a hand-dependent strategy model, a fold need not be equally likely with every starting hand. Compatible complete deals in which those players received fold-heavy hands deserve more weight than deals in which they received continue-heavy hands. This differs from an ordinary [blocker](https://gtogecko.com/blog/blockers-unblockers). If you hold A ♠ , that known card directly removes one ace from every opponent's possible holdings. With bunching, the muck remains hidden. Nothing is removed with certainty; the observed fold history merely reweights compatible possibilities. Narrow screen? Scroll the table horizontally to compare blockers with bunching. Known-card removal and action-conditioned inference are related, but not identical Question Ordinary blocker Bunching effect What is observed? A specific private or board card An action, such as a fold; the private cards stay hidden What changes? Compatible combinations are removed with certainty Compatible complete deals receive different probabilities What assumption is needed? Only the known cards and dealing rules A hand-dependent model for the observed action Can the direction reverse? The held card fixes what it removes Yes; reverse the action likelihoods and the posterior can reverse Narrow screen? Scroll the diagram horizontally to view all four stages. Text equivalent: start with fair complete deals from a 52-card deck. Keep only the information that the upstream seats folded, not their hidden cards. Give every compatible deal a weight based on how likely those exact hands were to fold, then normalize the weights to obtain the conditional Button-hand distribution. A constant fold likelihood cancels and produces no bunching. Why a Fold Can Be Information Without Revealing a Card The logic is ordinary conditional probability. The [MIT OpenCourseWare treatment of Bayes' rule](https://ocw.mit.edu/courses/9-07-statistics-for-brain-and-cognitive-science-fall-2016/c253650367960f524be6611392e79c53_MIT9_07F16_lec1.pdf) formalizes how evidence updates the probability of an event. Here, the evidence is the sequence of folds. The hidden event is a complete allocation of private cards. The cancellation test Imagine every legal starting hand folds with probability 60%. After one fold, every compatible deal has been multiplied by the same constant. Normalizing divides by that same constant, so the unseen-card distribution is unchanged. Now let weak rank combinations fold more often and high-rank combinations continue more often, while keeping the same 60% average. Deals that put low cards in the muck receive more weight. More high cards remain available in the conditional distribution—not because the deck changed, but because the action was more compatible with some hidden deals than others. That distinction defeats a common shortcut. “Six players folded” cannot by itself imply a top-heavy deck. If those six actions were random with respect to cards, the exact effect is zero. If high-card hands folded more often under an intentionally reversed model, high cards become less likely for the target. A credible bunching result must therefore publish the action model, not just the fold count. Our Matched-Rate Experiment We built a standard 52-card Texas Hold'em experiment around a Button target hand. The table labels describe three, five, or six seats folding before the Button—our 6-max, 8-max, and 9-max sensitivity cases. All private cards are dealt before action. Generating upstream hands before the Button in code is exchangeable sampling bookkeeping, not a claim that the physical deal happens after folds. Each policy assigns a probability of folding to every one of the 1,326 concrete two-card combinations. We then normalized every policy so its physical-combination-weighted mean on a fresh deck was exactly 60%. This holds the one-seat headline rate fixed and isolates what changes when the composition of likely folds changes. Narrow screen? Scroll the table horizontally to compare all five policies. Five public likelihood policies; none is a population or solver range Policy Purpose Fresh-deck mean Expected diagnostic Random-fold control Every hand folds with probability 0.60 60% Exactly zero theoretical effect Rank gradient Fold likelihood declines smoothly as the two ranks rise 60% High ranks become more likely after folds Pair + suited gradient Adds pair and suited terms to a smooth rank score 60% A different positive composition shift Bucketed top band Uses low, middle, and high fold-likelihood bands 60% A deliberately coarse positive illustration Inverted rank diagnostic Makes higher-rank hands more likely to fold 60% The high-card shift should reverse The exact formulas and normalization factors are in the [method README](https://gtogecko.com/data/poker-bunching/README.md); the [fold-likelihood table](https://gtogecko.com/data/poker-bunching/fold_likelihoods.csv) publishes all 169 final class values. Pair, suited, and offsuit classes represent 6, 4, and 12 concrete combinations respectively. Expanding them matters because cards are sampled [without replacement](https://www.itl.nist.gov/div898/handbook/glossary.htm). Independently drawing seats from 169-cell percentages could assign the same physical card twice and erase cross-seat blockers. For every complete legal deal, the model multiplies the fold likelihoods of all upstream private hands. The primary simulator accepts or rejects that complete deal using the resulting product. This samples the joint condition that all observed seats folded. Fold actions are conditionally independent given private hands in this model; shared cards are the only modeled dependence. Result: Equal Fold Rates Did Not Produce Equal Decks The exact unconditional chance that a two-card Button hand contains at least one ace is 1 − C(48,2) / C(52,2) = 14.9321% . The primary run used 200,000 accepted complete deals for each of 15 policy/table scenarios. Narrow screen? Scroll the table horizontally to compare all three fold counts. Button chance of at least one ace; parentheses show percentage-point change from 14.9321% Synthetic policy 6-max / 3 folds 8-max / 5 folds 9-max / 6 folds Random control 14.986% (+0.054) 14.968% (+0.035) 15.012% (+0.080) Rank gradient 15.378% (+0.446) 15.766% (+0.834) 16.036% (+1.104) Pair + suited gradient 15.642% (+0.709) 16.409% (+1.476) 16.653% (+1.721) Bucketed top band 16.121% (+1.188) 16.972% (+2.040) 17.454% (+2.521) Inverted diagnostic 14.385% (−0.547) 14.152% (−0.781) 13.952% (−0.980) The small positive control estimates are simulation noise, not an effect: each control interval contains the 14.9321% baseline, and the constant policy is exactly neutral by construction. At 9-max, the bucketed model estimated 17.454% with a 95% Wilson interval of 17.288%–17.620%. The inverted diagnostic estimated 13.952% with an interval of 13.801%–14.105%. Those non-overlapping directions show why “folds leave good cards behind” is not a universal rule. Narrow screen? Scroll the chart horizontally to compare every model. All five policies have the same 60% fresh-deck average fold likelihood. Under the bucketed illustration, the ace-hand shift grows from +1.188 percentage points after three folds to +2.521 after six. The inverted model moves in the opposite direction. Points are Monte Carlo estimates under synthetic policies, not real-table forecasts. How Large Is a 2.521-Point Shift? A percentage-point difference is easiest to read as a long-run frequency under the stated model. The bucketed 9-max estimate differs from baseline by 0.02521, which is about one additional ace-containing Button hand per 40 repeated target deals. At three folds, its 0.01188 difference translates to about one per 84 target deals. These are absolute-frequency translations—not waiting-time predictions, session forecasts, or recommendations to enter a pot. Nor is there one universal “strong hand” multiplier. At 9-max, the pair + suited policy moved the chance that both Button cards were ten or higher from the exact 14.329% baseline to 16.487%, a +2.158-point change. Its any pocket pair point estimate was nearly unchanged at 5.875% versus the 5.882% baseline, and its 95% interval included that baseline. Rank composition, pairing, suitedness, and card compatibility respond differently to the same folded-hand policy. Narrow screen? Scroll the table horizontally to compare the secondary outcomes. 9-max / six-fold sensitivity; estimate with percentage-point change from its exact baseline Synthetic policy Both cards T+ AK Any pocket pair Random control 14.327% (−0.002) 1.212% (+0.005) 5.858% (−0.025) Rank gradient 15.741% (+1.412) 1.370% (+0.163) 5.871% (−0.012) Pair + suited gradient 16.487% (+2.158) 1.471% (+0.264) 5.875% (−0.007) Bucketed top band 15.484% (+1.155) 1.421% (+0.214) 5.931% (+0.049) Inverted diagnostic 13.010% (−1.319) 1.078% (−0.129) 5.983% (+0.101) The predeclared TT+ result, all 95% intervals, and exact baselines are in the [headline-results CSV](https://gtogecko.com/data/poker-bunching/headline_metric_results.csv). The table above shows why a single ace statistic cannot stand in for the complete posterior. The [complete 15 × 169 Button-hand table](https://gtogecko.com/data/poker-bunching/button_hand_class_results.csv) publishes every class with its Wilson interval. Treat individual small cells cautiously: aggregate events contain many more successes, while rare class estimates have much larger relative Monte Carlo error. The table exists for audit and exploration, not to crown a new opening hand because one simulated cell moved. Why Table Size Is a Sensitivity Test, Not a Forecast Our labels map 6-max to three folds before the Button, 8-max to five, and 9-max to six. We deliberately repeated the same fold-likelihood policy at every upstream seat. That isolates what happens as more conditionally informative folds accumulate. It does not say that under-the-gun, hijack, cutoff, and blind ranges are identical in real games. Actual action probabilities depend on position, prior actions, stack depth, raise size, antes, rake, format, and the strategic model. A real solver tree must carry those position-specific ranges and blockers through the deal. The article's table-size line therefore answers a controlled “what if we add more observations of the same kind?” question. It does not estimate the Button's live-dealt ace frequency at every six-, eight-, or nine-handed table. How We Checked the Simulation The main program uses whole-deal acceptance–rejection sampling, a method with roots in John von Neumann's [work on random digits](https://mcnp-green.lanl.gov/pdf_files/InBook_Computing_1961_Neumann_JohnVonNeumannCollectedWorks_VariousTechniquesUsedinConnectionwithRandomDigits.pdf) and the broader [Monte Carlo method described by Metropolis and Ulam](https://doi.org/10.1080/01621459.1949.10483310). It used NumPy PCG64DXSM, a frozen seed, and 200,000 accepted deals per scenario. Binary results use [95% Wilson intervals](https://www.itl.nist.gov/div898/handbook/prc/section2/prc241.htm). A seed makes a run repeatable; it does not prove the model or code correct. We added three separate checks: - Exact one-fold oracle. We enumerated all 1,326 possible folded hands and all 1,225 remaining Button hands for each one. The checker independently reproduced the oracle to a maximum absolute discrepancy below 9.8 × 10⁻¹⁶ . - Exact one-fold random control. Inside the independently recomputed one-fold oracle, the constant policy matched the no-information combinatorial baselines below 4.5 × 10⁻¹⁵ . The multi-fold control remains a sampled estimate whose intervals contain those baselines. - Different stochastic estimator. A separate program reads the CSV rather than importing the simulator, uses NumPy Philox and a different deal generator, and estimates the conditional result with self-normalized importance sampling. Across 15 scenarios, five headline metrics, all 169 hand classes, and 13 rank shares—2,805 comparisons—the largest primary/checker gap was 4.033 combined Monte Carlo standard errors, below our five-standard-error implementation-alarm threshold. That threshold is deliberately broad because thousands of comparisons create extreme values. Passing it is evidence against a coding mismatch between the two implementations; it is not a statistical equivalence claim, peer review, or validation of the synthetic policies. Reproduce or Audit Every Number The evidence bundle freezes code, inputs, seeds, outputs, readable summaries, and a checksum manifest: - [Method and reproduction guide](https://gtogecko.com/data/poker-bunching/README.md) - [Full primary results (JSON)](https://gtogecko.com/data/poker-bunching/results.json) and [headline results (CSV)](https://gtogecko.com/data/poker-bunching/headline_metric_results.csv) - [All 169 Button classes (CSV)](https://gtogecko.com/data/poker-bunching/button_hand_class_results.csv) and [all fold likelihoods (CSV)](https://gtogecko.com/data/poker-bunching/fold_likelihoods.csv) - [Exact one-fold oracle (JSON)](https://gtogecko.com/data/poker-bunching/one_fold_exact_oracle.json) - [Primary simulator](https://gtogecko.com/data/poker-bunching/simulate_bunching.py) and [independent checker](https://gtogecko.com/data/poker-bunching/check_bunching.py) - [Checker summary](https://gtogecko.com/data/poker-bunching/CHECKS.md), [full checker output](https://gtogecko.com/data/poker-bunching/checker_results.json), and [SHA-256 manifest](https://gtogecko.com/data/poker-bunching/MANIFEST.sha256) Python 3.11 and NumPy 2.2.3 produced the frozen run. Re-running 15 acceptance/rejection scenarios can take substantial time because some conditional deals have low acceptance probability. The README provides the exact commands and explains every output field. What This Result Does Not Tell You - It does not reveal a mucked hand. Bunching changes a distribution; it does not identify any player's cards. - It does not estimate a population. None of the four non-control policies was fitted to hand histories, a player pool, or a solver. - It does not supply an action. Card composition alone cannot establish a raise, call, or fold frequency, exploitability, or EV. - It does not transfer across trees. Change positions, stacks, sizes, prior actions, rake, antes, or strategy assumptions and the fold likelihoods change. - It does not prove a product feature. This experiment does not test whether any particular solver or training app accounts for bunching. HoldemResources Calculator has published a useful earlier [visual and implementation-oriented treatment of card bunching](https://www.holdemresources.net/blog/card-bunching-effects/). We designed this experiment around a different question: whether equal average fold likelihoods can still produce zero, positive, and reversed shifts. The answer under our declared policies is yes. How to Use the Idea in Study First identify the information boundary. Known hole cards and board cards are direct removal. Hidden folds require an explicit range or action-likelihood model. Then ask whether the tool or reference you are using carries folded ranges through the node. Do not “correct” a chart by adding a generic full-ring percentage from this article; the correction belongs to the specific tree and its ranges. Disclosure: GTO Solutions AS publishes both this site and GTO Gecko. Once the assumptions are locked, use a comparable available precomputed spot in [GTO Gecko](https://play.gtogecko.com/) to inspect actions, frequencies, EV estimates, and range composition, then practise supported decisions. The current US [App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US) listings describe that solved-scenario study workflow; they do not establish that the app implements the bunching model in this article. Frequently Asked Questions Do folded cards make the deck stronger? Not as a universal rule. Under a model that folds low ranks more often, observed folds can shift probability toward higher unseen ranks. Random folds cause no effect, and a model that folds high ranks more often reverses the direction. Is bunching the same as card removal? It is a conditional form of card removal. A known blocker removes specific combinations with certainty; bunching reweights unseen combinations using the likelihood of observed actions. Does the bunching effect matter more at a full table? More informative folds can compound the shift under one fixed policy, as our sensitivity test shows. Real table-size comparisons also change positions, ranges, stacks, and action histories, so the chart is not a universal full-ring forecast. Can I calculate bunching from a fold percentage? No. You need the card-by-card composition of the fold likelihoods and a without-replacement joint deal model. Policies with the same average fold likelihood produced different and opposite results here. Do poker solvers account for bunching? Some solver documentation explicitly describes folded-card removal, but behavior varies by product and mode. Check the documentation for the exact tree you use rather than assuming every output includes—or excludes—it. The Practical Takeaway A preflop fold can be evidence about unseen cards, but only through a declared model of which hands would fold. Count the actions, preserve card compatibility, publish the range composition, and keep model uncertainty separate from simulation precision. If one number survives this experiment, make it zero: with a card-independent fold policy, the exact bunching effect is zero. Sources - [MIT OpenCourseWare: Conditional Probability, Bayes' Rule and Independence](https://ocw.mit.edu/courses/9-07-statistics-for-brain-and-cognitive-science-fall-2016/c253650367960f524be6611392e79c53_MIT9_07F16_lec1.pdf) - [NIST/SEMATECH e-Handbook glossary: hypergeometric sampling without replacement](https://www.itl.nist.gov/div898/handbook/glossary.htm) and [Wilson confidence intervals](https://www.itl.nist.gov/div898/handbook/prc/section2/prc241.htm) - [Metropolis and Ulam (1949): The Monte Carlo Method](https://doi.org/10.1080/01621459.1949.10483310) - [von Neumann: Various Techniques Used in Connection With Random Digits](https://mcnp-green.lanl.gov/pdf_files/InBook_Computing_1961_Neumann_JohnVonNeumannCollectedWorks_VariousTechniquesUsedinConnectionwithRandomDigits.pdf) - [Wilson (1927): Probable Inference, the Law of Succession, and Statistical Inference](https://doi.org/10.1080/01621459.1927.10502953) - [HoldemResources Calculator: Visualizing the bunching effect](https://www.holdemresources.net/blog/card-bunching-effects/) (current product article checked September 4, 2026) - [GTO Gecko experiment method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/poker-bunching/README.md) - [GTO Gecko on the US App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US) (checked September 4, 2026) ### Poker Rake Cap Math: Why 5% Stops Being 5% https://gtogecko.com/blog/poker-rake-cap-math For an eligible hand under a 5% schedule capped at $0.75, the continuous breakpoint is a $15 gross pot. Above that point, the modeled rake cannot exceed $0.75, so its effective share becomes $0.75 divided by the pot: 3.75% on $20, 2.50% on $30, and 1.50% on $50. Whole-cent half-even rounding creates a narrow boundary around $15, however, so this guide names three different thresholds instead of saying only that “the cap kicks in at $15.” The worked fixture is the standard US-dollar No Limit/Pot Limit $0.25/$0.50 row published by PokerStars and checked September 4, 2026. On that page, the cap bucket uses players dealt into the hand , and a Hold’em or Omaha hand ending before the flop has no rake. The calculator below is a disclosed nearest-cent, final-gross-pot model of that public schedule—not a reconstruction of an operator’s internal ledger and not a claim about every poker room. [Open the schedule-aware rake-cap worksheet](https://gtogecko.com/data/poker-rake-cap/calculator.html). It is intentionally limited to the 22 PokerStars rows frozen for this article; another room requires its own current documented inputs. Disclosure: GTO Solutions AS publishes GTO Gecko and this article. The worksheet, chart, implementation, and verification bundle were created for this guide. They are for off-table study and do not recommend a poker action or estimate one player’s profit. The Short Answer: Percentage, Cap, and Effective Rate Start with eligibility. Under the cited PokerStars Hold’em/Omaha rule, a hand that ends before the flop returns zero modeled rake. For an eligible hand, define P as the modeled gross rakeable pot, r as the published percentage, and C as the published cap for the correct dealt-player bucket. In the implementation, 500 basis points means 5.00%: uncapped cents = half_even(P_cents × rate_basis_points / 10,000) modeled rake = min(C_cents, uncapped cents) effective rake = modeled rake / gross pot continuous breakpoint = C / r cap in big blinds = C / big blind The percentage describes how rake rises before the cap binds. The cap is a dollar ceiling, not a second percentage. Once modeled rake is fixed at that ceiling, the effective percentage falls as the gross pot grows. The rake dollars do not fall; they stop rising. One line worth remembering In the continuous model, effective rake tracks the nominal percentage below a binding cap. Whole-cent rounding creates small steps around that line. Above the cap, effective rake is cap ÷ gross pot . This describes house take under the model, not how that amount is attributed to an individual player. Read the Correct Schedule Row Before Doing Any Math A percentage and blind level are not enough. The current official [PokerStars rake page](https://www.pokerstars.com/poker/room/rake/), accessed September 4, 2026, publishes three separate US-dollar No Limit/Pot Limit tables: a standard table, a micro-stakes Omaha/Omaha Hi-Lo table, and a micro-stakes No Limit Hold’em Zoom table. Its player-count note says “players” means players dealt into that hand, not seats at the table. Worked source row: standard US-dollar No Limit/Pot Limit, checked September 4, 2026 Input Published value used Why it matters Stake row $0.25/$0.50 Sets the percentage and candidate caps Percentage 5.00% = 1/20 Applied to the modeled gross pot before the cap 2 players dealt $0.75 cap 1.50bb at a $0.50 big blind 3–4 players dealt $0.75 cap Same $0.75 cap as the 2-dealt bucket 5+ players dealt $2.00 cap 4.00bb at a $0.50 big blind Eligibility No rake when the hand ends before the flop This branch comes before percentage arithmetic “USD” identifies the schedule’s currency; it does not establish account access or legal availability in a reader’s location. Another operator’s current [published rake and blind structure](https://www.partypoker.com/en/poker/how-to-play/software/rake-blind-structure) uses its own categories and caps. That narrow comparison is enough to show why a worksheet must begin with the room’s current rules instead of a remembered default. Why “The Cap Starts at $15” Hides Three Answers The exact continuous equation $0.75 ÷ 0.05 = $15 is useful, but a whole-cent display makes “starts” ambiguous. Under this worksheet’s half-even convention, the boundary has three named points: 5% with a $0.75 cap under the nearest-cent half-even worksheet convention Gross pot Exact raw rake Uncapped half-even cents Final modeled rake Meaning $14.90 74.50¢ 74¢ 74¢ Exact tie rounds to even 74 $14.91 74.55¢ 75¢ 75¢ First displayed cap value $15.00 75.00¢ 75¢ 75¢ Raw percentage reaches the cap $15.10 75.50¢ 76¢ 75¢ First pot where the cap changes the rounded result - First displayed cap: $14.91, or 29.82bb. Half-even rounding first prints 75¢, although the exact raw amount is still below 75¢. - First integer-cent pot whose raw percentage reaches the cap: $15.00, or 30bb. This is the familiar C/r point on the available cent grid. - First strictly binding cap: $15.10, or 30.20bb. Uncapped half-even rake would be 76¢, so the cap now changes the result to 75¢. Parity matters at an exact half cent. At 4.5%, a $1 pot produces exactly 4.5¢ and rounds to the even integer 4¢; a $3 pot produces 13.5¢ and rounds to the even integer 14¢. Same 5%, Different Effective Rake The next table holds stake, percentage, rounding, and gross pot fixed. Only the dealt-player cap changes: $0.75 for two dealt versus $2.00 for five or more dealt. These are controlled calculations, not estimates of common pot sizes or one player’s share. Narrow screen? Scroll horizontally to compare both dealt-player caps. Standard $0.25/$0.50 row: same 5%, different dealt-player caps Gross pot Pot in bb Rake, $0.75 cap Effective rate, $0.75 cap Rake, $2 cap Effective rate, $2 cap $5 10bb $0.25 5.000% $0.25 5.000% $10 20bb $0.50 5.000% $0.50 5.000% $15 30bb $0.75 5.000% $0.75 5.000% $20 40bb $0.75 3.750% $1.00 5.000% $30 60bb $0.75 2.500% $1.50 5.000% $40 80bb $0.75 1.875% $2.00 5.000% $50 100bb $0.75 1.500% $2.00 4.000% Narrow screen? Scroll the chart horizontally to compare both curves through 100bb. Ideal continuous 5% model: the solid $0.75-cap curve bends at 30bb and the dashed $2-cap curve at 80bb. The table supplies the exact nearest-cent worksheet values. At $15, the two-player result displays the cap but the cap does not yet alter the rounded 75¢ result. At $40, the five-plus-player result behaves the same way at its $2 cap. This distinction does not change the continuous curve, but it prevents a calculator from describing a rounding event as a binding event. Three Schedule Mistakes the Worksheet Catches 1. Counting seats instead of players dealt At standard $0.10/$0.25, a $30 eligible pot produces $1.35 of raw rake at 4.5%. The modeled result is $0.50 with two players dealt, $1.00 with three or four dealt, and $1.35 with five or more dealt. A six-seat table with four players dealt uses the 3–4 bucket under the cited definition; empty seats do not move it to 5+. 2. Selecting a row from blinds alone At $0.05/$0.10, a $10 eligible postflop pot with two dealt has three different results in the dated snapshot: - Standard US-dollar NL/PL: 5%, $1 cap, modeled rake $0.50. - Micro Omaha/Omaha Hi-Lo: 4.25%, $0.50 cap, modeled rake $0.42 because the exact 42.5¢ tie rounds to even 42. - Micro NLHE Zoom: 4.5%, $0.50 cap, modeled rake $0.45. The worksheet makes the schedule family an explicit selection and accepts only stake labels in that family. It does not infer “micro” from the blind size or fall back to a generic percentage. 3. Assuming caps must rise with player count The current standard $25/$50 row prints caps of $2.25 for two dealt, $2.00 for three or four, and $3.00 for five or more. The checked-in snapshot preserves that non-monotone row exactly. A tidy-looking correction would be a source error, not data cleaning. Apply the Method to Your Room Rules - Confirm the source. Record the venue, currency, game family, exact stake row, and access date. - Check eligibility first. Apply the room’s documented no-flop/no-drop or other eligibility rule before calculating a percentage. - Use the source’s player definition. It may refer to players dealt, seats, players seeing a street, or something else. - Apply the published arithmetic. Use the percentage, precision, and rounding rule the source actually documents; label assumptions where it does not. - Apply the cap. Keep “cap displayed” separate from “cap strictly changed the result” near a rounding boundary. - Normalize after the cash result. Divide cap and breakpoint by the big blind only when one exact blind level belongs to the selected row. - Reconcile before reuse. Compare the result with current documentation or a completed-hand record; do not carry a dated row forward silently. The [offline-capable rake-cap worksheet](https://gtogecko.com/data/poker-rake-cap/calculator.html) embeds only the dated PokerStars snapshot used here. It routes those 22 source rows and 66 dealt-player combinations explicitly, distinguishes all three thresholds, and makes the first-betting-round branch visible. It makes no external requests and is intended for review away from active play. To use the method for another room, begin from that room’s own current documentation rather than altering a frozen source row. What This Model Does Not Tell You The public schedule names true-percentage half-even rounding, but it does not separately document the smallest accounting unit or whether an internal system calculates once from a final gross pot or incrementally as a pot grows. This article therefore applies the named rule once to one integer-cent gross-pot input and says so. It does not claim exact client behavior at half-cent ties, uncalled bets, side pots, split pots, multiple boards, returned or cancelled hands, or disconnections. The model also excludes contributed-rake attribution, rewards, rakeback, promotions, jackpot drops, time collections, fixed-limit schedules, tournament fees, and taxes. House rake is not automatically one player’s cost. A cap crossing alone does not show that a call, raise, or fold is correct, nor does it produce a range, frequency, exploit, or win-rate estimate. For a decision after money has already entered the pot, our [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math) owns the separate call-price and equity arithmetic. A full strategic comparison still needs positions, stacks, ranges, legal sizes, and a specified game tree. Match the Assumptions Before Studying a Solution Once the accounting is clear, use the same discipline with training material: check that the game, depth, positions, and rake assumptions match the spot you intend to study. Our separate guide to [how GTO Gecko solution assumptions are organized](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) owns that workflow. [GTO Gecko’s current US App Store page](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434), checked September 4, 2026, describes an off-table study app for available precomputed scenarios, with actions, mixed frequencies, EV estimates, range composition, explanations, simulated practice, and progress tracking. This article’s worksheet is not an in-app rake calculator, does not create a new solve for an arbitrary schedule, and does not connect to a live poker client. Poker Rake-Cap FAQ What does “5% capped at $0.75” mean? For an eligible pot, calculate 5% under the stated precision and rounding rule, then limit the rake to $0.75. In a continuous model, the two are equal at a $15 gross pot. Above it, $0.75 is a declining percentage of the growing pot. At what pot does a rake cap start to apply? Name the event. In the 5%/$0.75 nearest-cent example, the first displayed cap is $14.91, raw percentage reaches the cap at $15.00, and the cap first changes the rounded result at $15.10. Saying only “$15” hides the display and binding boundaries. Does player count mean seats or players seeing the flop? Neither is safe to assume. The cited PokerStars table defines it as players dealt into that particular hand. Read the definition on the schedule you use. Does no flop, no drop apply at every poker room? No universal claim is made here. It is the eligibility rule printed for the cited PokerStars Hold’em/Omaha schedule. Check the current rules for your venue, game, and table. Does the rake amount fall after the cap? Not in this percentage-plus-cap model. The rake amount stops rising at the cap while its effective percentage falls because the pot denominator keeps growing. Does reaching the cap change the correct poker strategy? The cap changes one model input, not an action by itself. Direction and size depend on the full spot and require comparable solved or otherwise justified game trees. Can I reuse this schedule later? Only after checking it again. The snapshot records what the official page showed on September 4, 2026. Rates, caps, table families, rules, and URLs can change. Method, Independent Check, and Downloads The public JavaScript generator stores the source rates as basis points and performs half-even rounding with BigInt quotient/remainder arithmetic. Binary floating-point can move an exact half-cent tie to the wrong side, so a separately written Python standard-library verifier recomputes the outputs without importing the JavaScript. It checks all 22 source rows and 66 family/stake/player combinations, 14 fixtures covering both half-even parity outcomes for every published rate, all three breakpoint formulas, no-flop/no-drop, CSV/JSON agreement, offline calculator controls, and every whole-cent pot from $0 through $2,000. SHA-256 hashes cover the 11 listed artifacts. Passing those checks proves internal consistency with the frozen snapshot. It does not prove that the live schedule remains unchanged or that the disclosed accounting assumptions reproduce an undocumented production ledger. - [Interactive schedule-aware rake-cap worksheet](https://gtogecko.com/data/poker-rake-cap/calculator.html) - [Method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/poker-rake-cap/README.md) - [Dated 22-row source snapshot](https://gtogecko.com/data/poker-rake-cap/source-snapshot.json) and [66 normalized schedule/player rows](https://gtogecko.com/data/poker-rake-cap/schedule-breakpoints.csv) - [Article worked cases](https://gtogecko.com/data/poker-rake-cap/worked-case.csv) and [complete reference output](https://gtogecko.com/data/poker-rake-cap/reference.json) - [JavaScript generator](https://gtogecko.com/data/poker-rake-cap/generate.mjs), [independent Python verifier](https://gtogecko.com/data/poker-rake-cap/verify.py), [verification specification](https://gtogecko.com/data/poker-rake-cap/verification-report.json), and [SHA-256 manifest](https://gtogecko.com/data/poker-rake-cap/MANIFEST.sha256) Sources - PokerStars, [Poker Table Rake](https://www.pokerstars.com/poker/room/rake/). Used for the three US-dollar No Limit/Pot Limit schedule families, rates, caps, exclusions, dealt-player definition, no-flop/no-drop rule, and half-even statement; accessed September 4, 2026. - PokerStars Help, [What is rake in poker?](https://www.pokerstars.com/help/articles/rake-master/220397/). Used for the first-party plain-language description of percentage rake, caps, and no-flop/no-drop; accessed September 4, 2026. - partypoker, [Rake and blind structure](https://www.partypoker.com/en/poker/how-to-play/software/rake-blind-structure). Used only to establish that another operator publishes a differently structured schedule; accessed September 4, 2026. - GTO Gecko, [public method, frozen source snapshot, reproduction commands, and limitations](https://gtogecko.com/data/poker-rake-cap/README.md), generated and independently checked September 4–5, 2026. - GTO Gecko, [official US App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434). Used only for the disclosed current product description; accessed September 4, 2026. This independent educational worksheet is not affiliated with or endorsed by PokerStars or partypoker. ### When Can You Trust a Poker Stat? Count Opportunities, Not Hands https://gtogecko.com/blog/poker-stat-sample-size A poker stat is not trustworthy after one universal number of hands. Start with the number of eligible opportunities , keep the result as an action count over that denominator, attach an uncertainty interval, and check whether the observations came from a comparable context. A displayed 25% could mean 5 actions in 20 opportunities or 125 in 500. The headline is identical; the evidence is not. Their two-sided 95% Wilson intervals are 11.2%–46.9% and 21.4%–29.0% . Every numerical player example below is synthetic. No customer, player-pool, or private hand-history data was used. The intervals describe binomial sampling uncertainty under a declared model; they do not diagnose a person or select a profitable response. Disclosure: [GTO Solutions AS](https://apps.apple.com/us/developer/gto-solutions-as/id1824050347) publishes GTO Gecko and the two practice products discussed near the end. The Denominator Is Opportunities, Not Hands For a frequency stat, preserve three values: the action count x , the eligible-opportunity count n , and the estimate x/n . An eligible opportunity is one in which the defined action could actually occur. A player cannot 3-bet without first facing a raise and having action reach them; a player cannot make a flop continuation bet without being the preflop aggressor, reaching the flop, and having the relevant betting opportunity. PokerTracker's current [Basic HUD Guide](https://docs.pokertracker.com/pt4/tutorials/the-hud/basic-hud-guide/), checked September 4, 2026, lists total hands separately from 3-bet, flop c-bet, and fold-versus-flop-c-bet frequencies “given the opportunity.” Its [Advanced HUD Guide](https://docs.pokertracker.com/pt4/tutorials/the-hud/advanced-hud-guide/) documents an occurrences/opportunities display such as 20% (2/10) and position filters. Those are product-specific examples, so inspect the definition and active filters in the tool you actually use. Suppose a player appears in 500 tracked hands, has 20 qualifying 3-bet opportunities, and raises 5 times. The statistical observation is 5/20 = 25% , not “25% over 500.” Treating that 25% as if it came from 500 eligible opportunities would inflate the denominator 25-fold and invent 125 actions. If a report gives only a rounded percentage and total hands, do not reverse-engineer an exact conditional count that is not there. If you already have the action and opportunity counts, try the [count-first Wilson calculator](https://gtogecko.com/data/poker-stat-sample-size/calculator.html). Keep reading for what its interval does—and does not—mean. How Uncertain Is a 25% Poker Stat? Every row in the chart observes exactly 25%. The eligible-opportunity count—and the matching action count—increases while the proportion stays fixed. The marker stays put as the interval narrows. Narrow screen? Scroll the chart horizontally to compare every opportunity count and interval endpoint. Synthetic examples; two-sided 95% Wilson score intervals. The table below is the complete text equivalent, and the downloadable bundle contains unrounded values. Narrow screen? Scroll the table horizontally to inspect every endpoint and interval width. Same 25% observed rate, different eligible-opportunity counts Actions / opportunities Observed 95% Wilson interval Interval width 5 / 20 25.0% 11.2%–46.9% 35.7 pp 10 / 40 25.0% 14.2%–40.2% 26.0 pp 25 / 100 25.0% 17.5%–34.3% 16.8 pp 50 / 200 25.0% 19.5%–31.4% 11.9 pp 125 / 500 25.0% 21.4%–29.0% 7.6 pp 250 / 1,000 25.0% 22.4%–27.8% 5.4 pp At a fixed observed rate under this model, more opportunities narrow sampling uncertainty; they do not make the estimate certain. Five hundred total hands might create hundreds of opportunities for one broad preflop stat and very few for a rare river branch. Even the same n can be adequate for a coarse study decision and inadequate for a close one. A Decision Threshold Is Not a Reliability Badge Imagine an arbitrary study rule declared before seeing these examples: investigate one branch only when a frequency is below 30%. The 5/20 interval crosses 30%, so the sample does not resolve that rule. The 125/500 interval lies entirely below 30% under the stated model. The cutoff is not poker truth or a player-type boundary; this simply shows how a denominator can change a decision while the displayed 25% stays fixed. Why Wilson Beats the Familiar Shortcut The familiar Wald interval takes the observed proportion and adds and subtracts 1.96 standard errors. It is simple, but [NIST's proportion-interval guidance](https://www.itl.nist.gov/div898/handbook/prc/section2/prc241.htm) notes that this symmetric approximation can produce impossible bounds below 0 or above 1. Brown, Cai, and DasGupta's [primary comparison of binomial intervals](https://projecteuclid.org/journals/statistical-science/volume-16/issue-2/Interval-Estimation-for-a-Binomial-Proportion/10.1214/ss/1009213286.pdf) documents the Wald interval's erratic coverage and recommends better-performing alternatives, including Wilson. For the synthetic case 1/10, Wald gives −8.6% to 28.6% ; a negative action frequency is impossible. Wilson gives 1.8% to 40.4% . At 0/10, Wald collapses to 0%–0%, while Wilson preserves the uncertainty that ten observations cannot remove. For observed proportion p̂ = x/n and z = 1.959963984540054 , the two-sided 95% Wilson construction used here is: center = (p̂ + z²/(2n)) / (1 + z²/n) half-width = z × sqrt[p̂(1−p̂)/n + z²/(4n²)] / (1 + z²/n) interval = center ± half-width The independent verifier also reproduces [NIST Dataplot's published 8/30 benchmark](https://www.itl.nist.gov/div898/software/dataplot/refman1/auxillar/propconf.htm): 0.141827 to 0.444480 after six-decimal rounding. That checks the implementation against a published reference; it is not peer review or proof that a fixed-rate binomial model describes a player. What Does Zero in N Actually Tell You? Zero out of zero is undefined. If no eligible opportunity occurred, there is no proportion to estimate. A report should show a dash, “not available,” or 0/0—not 0%. Zero out of n is an observed zero. If the action occurred zero times in genuine opportunities, the point estimate is 0%, but nonzero rates remain compatible with the sample. Narrow screen? Scroll the table horizontally to compare the two interval questions and the approximation. Zero observed actions: two-sided and one-sided upper endpoints Actions / opportunities Observed Two-sided 95% Wilson upper Exact one-sided 95% upper 3/n approximation 0 / 10 0.0% 27.8% 25.9% Not shown 0 / 25 0.0% 13.3% 11.3% Not shown 0 / 50 0.0% 7.1% 5.8% 6.0% 0 / 100 0.0% 3.7% 3.0% 3.0% 0 / 250 0.0% 1.5% 1.2% 1.2% The upper endpoint of the two-sided 95% Wilson interval and the exact one-sided bound answer different coverage questions, so they are not interchangeable. A two-sided 95% interval splits 5% noncoverage across two tails; a one-sided 95% bound uses the full 5% in one tail. For that predeclared one-sided zero-event question, the exact binomial upper limit is 1 − 0.05^(1/n) . The classic 3/n rule roughly approximates that exact one-sided limit; following Hanley and Lippman-Hand's [primary 1983 note](https://jhanley.biostat.mcgill.ca/Reprints/If_Nothing_Goes_1983.pdf), the bundle displays it only above 30 observations. Zero observed is evidence, never proof of impossibility. Why Context Splits Can Reverse the Read More data helps only when it estimates the quantity you care about. The synthetic table below uses one declared action but two different situations. Narrow screen? Scroll the table horizontally to compare both contexts with their pooled rate. Synthetic context split hidden by one pooled rate Slice Actions / opportunities Observed 95% Wilson interval Context A 20 / 50 40.0% 27.6%–53.8% Context B 5 / 50 10.0% 4.3%–21.4% Pooled 25 / 100 25.0% 17.5%–34.3% The pooled 25% is arithmetically correct and can still answer the wrong poker question. The difference could reflect position, stack depth, game format, prior action, sizing, lineup, or a change over time. If A was collected first and B later, context and drift are confounded; this table cannot identify the cause. Split on conditions that define a meaningfully different decision, preferably chosen before viewing the result. Searching many slices after the fact creates more chances to promote noise into a story. Report each slice's own x/n and interval instead of carrying the pooled precision into a smaller subgroup. Our broader [betting-pattern guide](https://gtogecko.com/blog/poker-betting-patterns) covers what to record; this page owns the uncertainty attached to the count. Plan in Opportunities, Then Estimate Hands If a target is m eligible opportunities and a qualifying situation independently appears at a stable assumed rate q across comparable hands, the expected total hand count is m/q . For a target of 100 opportunities: Synthetic planning examples for 100 eligible opportunities Assumed opportunity rate Expected total hands 50% 200 25% 400 10% 1,000 5% 2,000 These assumed rates are illustrations, not measured poker-population frequencies. The totals are expectations, not deadlines or guarantees. Eligibility can change with position, table behavior, filters, and time; count actual opportunities as they arrive. Nor is 100 a universal target. Choose precision for the decision, not a round hand count for the dashboard. A Safer Workflow for Using Player Stats - Define the event. Write exactly what action counts and when it was legally available. - Expose the denominator. Record x/n , not only a rounded percentage or total hands. - Add sampling uncertainty. Use a named interval method and confidence level; the [count-first calculator](https://gtogecko.com/data/poker-stat-sample-size/calculator.html) implements the two-sided 95% Wilson method used here. - Match the context. Check position, stack, format, action history, sizing, lineup, and collection window where relevant. - Compare the whole interval with a predeclared decision boundary. If materially different plans remain compatible with the interval, preserve that uncertainty rather than forcing a label. - Cross-check the story. Use showdowns, sizes, sequence-level notes, and a sound strategic baseline; one percentage should not classify a person. This is an off-table evidence workflow. Follow the rules of the poker room or platform where you play. A statistically clearer read still does not specify the correct exploit; game-tree costs, ranges, sizes, position, stack depth, and the risk of being wrong belong to the separate strategy decision. Our [GTO-versus-exploitative guide](https://gtogecko.com/blog/gto-vs-exploitative) covers that later step. Method, Independent Check, and Downloads The public JavaScript generator writes every synthetic table, the chart, and the calculator from frozen inputs. A separately written Python standard-library verifier recomputes Wilson, Wald, and exact zero-event results without importing or invoking the JavaScript implementation. It also checks the NIST 8/30 benchmark, context totals, decision-threshold relation, opportunity-planning matrix, CSV/JSON agreement, invariants, and SHA-256 hashes. Use the calculator or audit the complete evidence bundle: - [Interactive count-first Wilson calculator](https://gtogecko.com/data/poker-stat-sample-size/calculator.html) - [Method, equations, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/poker-stat-sample-size/README.md) - [Complete full-precision reference data (JSON)](https://gtogecko.com/data/poker-stat-sample-size/reference.json) and [frozen verification report (JSON)](https://gtogecko.com/data/poker-stat-sample-size/verification-report.json) - [Same-rate Wilson cases](https://gtogecko.com/data/poker-stat-sample-size/same-rate-wilson.csv), [zero-event cases](https://gtogecko.com/data/poker-stat-sample-size/zero-event-wilson.csv), and [Wilson-versus-Wald cases](https://gtogecko.com/data/poker-stat-sample-size/wald-comparison.csv) - [Context split](https://gtogecko.com/data/poker-stat-sample-size/context-split.csv), [decision-threshold illustration](https://gtogecko.com/data/poker-stat-sample-size/decision-threshold.csv), and [opportunity-planning matrix](https://gtogecko.com/data/poker-stat-sample-size/opportunity-planning.csv) - [Primary JavaScript generator](https://gtogecko.com/data/poker-stat-sample-size/generate.mjs), [independent Python verifier](https://gtogecko.com/data/poker-stat-sample-size/verify.py), and [SHA-256 manifest](https://gtogecko.com/data/poker-stat-sample-size/MANIFEST.sha256) The frozen report records the release-time cross-check between two implementations; rerun verify.py to validate the files you downloaded. Agreement does not validate a tracker definition, establish independence, prove that a player's rate is stable, or certify a strategic adjustment. Where the Practice Tools Fit The current [Felted support page](https://gtogecko.com/felted/support), checked September 4, 2026, lists descriptive VPIP, PFR, 3-bet, c-bet, and position breakdowns inside its play-money environment. Treat those percentages as summaries and apply the same count-and-context questions; this article does not claim that Felted displays Wilson intervals, exports the data, or tracks opponents. The current [support page for Live Poker Trainer](https://gtogecko.com/playertypetrainer/support)—still titled “Player Type Trainer”—was checked the same day and describes practice against four deliberately selected models: Fish, Nit, Maniac, and GTO, using precomputed solver data. A cautious hypothesis can choose a controlled practice contrast, but those fixed models are not evidence that a real person belongs to a stable type. The app does not validate this statistical method, and no app binary was installed or tested for this article. For the separate product workflow, see our [trainer walkthrough](https://gtogecko.com/blog/exploitative-poker-trainer). Limits of the Model A binomial model treats the count as the number of successes in a fixed number of independent Bernoulli trials with one stable success probability—the assumptions stated in the [NIST definition](https://csrc.nist.gov/glossary/term/Binomial_Distribution). Repeated poker decisions by one person can be dependent. Opponents adapt, table composition changes, and the same label can hide different decision trees. Filters, missing histories, site rules, and selection can also distort the denominator. A Wilson interval quantifies sampling uncertainty conditional on the model and recorded counts. It does not quantify every source of uncertainty, forecast one particular future action, test the cause of a context split, or estimate an entire population from these synthetic examples. At nominal 95% confidence, the frequentist claim is about the procedure: across repeated samples generated by the model, intervals built this way are designed to cover the fixed rate about 95% of the time. It is not a 95% posterior probability statement about this one completed interval. Missing hand labels create a separate problem from sampling uncertainty. Our [shown-bluffs exercise](https://gtogecko.com/blog/shown-bluffs-poker) keeps a complete twenty-bet record fixed and shows why the classified hands alone do not establish the bluff share among all twenty bets. The practical conclusion is deliberately modest: keep the numerator, denominator, interval, and context together. If any one is missing, the displayed percentage is not enough. Sources - PokerTracker 4, [Basic HUD Guide](https://docs.pokertracker.com/pt4/tutorials/the-hud/basic-hud-guide/), [Advanced HUD Guide](https://docs.pokertracker.com/pt4/tutorials/the-hud/advanced-hud-guide/), and [Custom Statistics Guide](https://docs.pokertracker.com/pt4/tutorials/reports-stats-and-filters/custom-statistics-guide/). Used for documented stat definitions, action/opportunity display, and filtering behavior; accessed September 4, 2026. - NIST/SEMATECH, [Confidence intervals for a proportion](https://www.itl.nist.gov/div898/handbook/prc/section2/prc241.htm), and NIST Dataplot, [Proportion Confidence Interval](https://www.itl.nist.gov/div898/software/dataplot/refman1/auxillar/propconf.htm). Used for the Wilson construction and published 8/30 benchmark; accessed September 4, 2026. - Brown, Cai, and DasGupta, [Interval Estimation for a Binomial Proportion](https://projecteuclid.org/journals/statistical-science/volume-16/issue-2/Interval-Estimation-for-a-Binomial-Proportion/10.1214/ss/1009213286.pdf), Statistical Science 16(2), 2001. Used for interval-method performance context; accessed September 4, 2026. - National Institute of Standards and Technology, [Binomial Distribution](https://csrc.nist.gov/glossary/term/Binomial_Distribution). Used for the fixed-probability, independent-Bernoulli model boundary; accessed September 4, 2026. - Hanley and Lippman-Hand, [If Nothing Goes Wrong, Is Everything All Right?](https://jhanley.biostat.mcgill.ca/Reprints/If_Nothing_Goes_1983.pdf), JAMA , 1983, DOI 10.1001/jama.1983.03330370053031 . Used for the zero-event calculation and rough rule-of-three scope; accessed September 4, 2026. - GTO Gecko, [public method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/poker-stat-sample-size/README.md), generated and independently checked September 4, 2026. - GTO Solutions AS, [official US Apple developer page](https://apps.apple.com/us/developer/gto-solutions-as/id1824050347). Used for publisher identity and current portfolio names; accessed September 4, 2026. - GTO Gecko, [Felted support](https://gtogecko.com/felted/support) and [Player Type Trainer support](https://gtogecko.com/playertypetrainer/support). Used only for the narrow product roles stated above; accessed September 4, 2026. ### Poker Straddle Rules: Action Order, Effective Stack, and SPR https://gtogecko.com/blog/poker-straddle-action-order [日本語で読む](https://gtogecko.com/ja/blog/poker-straddle-action-order) A live straddle changes three things before you choose a hand: the price to enter, the opening action order, and the stack depth measured against the largest live blind. It does not have one universal ruleset. Ask which seat may straddle, how much, who acts first, whether the straddler acts last, whether re-straddles are allowed, and what the minimum raise is. Only then should you convert the stack and study a matching strategy. This guide turns those questions into a rule card and a reproducible stack-to-pot-ratio (SPR) ledger. Its action maps use one named profile—the 2026 WSOP Live-Action cash-game rules. The 5/10 calculations are constructed chip examples, not observed hands or solver output. Use the map and verifier only for off-table study: [Rule 21 of the same WSOP document](https://assets.wsopcdn.com/wsop/853ee602-e1e9-4019-a0cf-381419d805c6.pdf) prohibits real-time assistance during live hands. What Is a Poker Straddle? A straddle is an extra blind bet made before the player has looked at their cards. A current [PokerStars rules explainer](https://www.pokerstars.com/poker/learn/news/common-poker-questions-answered/) describes the common UTG version as an optional third blind, usually posted by the player to the left of the big blind. That is a useful definition, not a promise that every room uses that position, amount, or action order. The word live matters. In a ruleset that treats the straddle as live, its chips count toward that player's preflop action and the player may retain an option when action returns. Exactly which option and when action returns are house-rule questions. A button straddle, a Mississippi-style straddle, a mandatory straddle, and a chain of re-straddles should not be silently treated as the same game. Write the House Rule Before the Range Use this eight-field card before converting a stack or opening a chart: - Game and stakes: no-limit, pot-limit, or fixed-limit; blinds; and any antes. - Eligible seat: UTG, Button, another seat, or more than one option. - Amount: fixed, a multiple of the big blind, or a permitted range. - Timing and priority: when it must be declared and which straddle wins if two are offered. - First actor: the first seat to act in the opening betting round. - Last-action right: whether the straddler keeps an option to raise when action returns. - Re-straddles: eligible seats, sequence, size, and cap. - Minimum raise: the minimum legal total after the final live blind. Leave an unknown field blank and ask the dealer or floor. Do not fill it from a different casino's page. The following current first-party pages demonstrate why. Narrow screen? Scroll horizontally to compare every rule field. What the cited page confirms; checked September 4, 2026 Profile Position and size Opening action Re-straddle What remains unknown here WSOP Live-Action 2026 UTG or Button; Button takes precedence; default 2× BB; no Button straddle in limit games Immediately left of the straddle first; straddler last with an option to raise Game-specific limits Anything changed by the table placard MUSASHI Shibuya page UTG posts first; successive re-straddles double through Button Not stated on the cited page Permitted through Button First actor, last action, minimum raise, and cap details SEED house rules Straddles are not adopted No straddled strategy applies The [2026 WSOP Live-Action rules](https://assets.wsopcdn.com/wsop/853ee602-e1e9-4019-a0cf-381419d805c6.pdf) confirm the first row and state that the minimum raise following a live straddle is twice the straddle amount. In that profile, 5/10 with a 20 straddle therefore has a first minimum raise-to of 40 unless the table placard says otherwise. The current [MUSASHI Shibuya house-rule page](https://www.pokerroom634.com/official/news/172) confirms its UTG-to-Button re-straddle chain, but the cited text does not define the missing action fields. The current [SEED house rules](https://seed-poker.jp/house-rules/) explicitly do not adopt straddles. These are examples of real rule divergence, not a ranking of rooms. Scope warning: the [official 2026 WSOP event page](https://www.wsop.com/tournaments/2026-57th-annual-world-series-of-poker/) publishes Live-Action and tournament rules as separate documents. The cited straddle rule governs the Live-Action cash games; the tournament document does not supply it. Do not use this article as permission to straddle in a bracelet event or another tournament. Who Acts First After a Straddle? Under the named WSOP 2026 profile, opening-round action starts immediately to the left of the straddle, proceeds clockwise, and reaches the straddler last. On the eight-handed no-limit table modeled here, the two permitted locations therefore produce different maps. Button straddles are not permitted in limit games under the same rule. UTG straddle UTG+1 first → LJ → HJ → CO → BTN → SB → BB → UTG straddler last Button straddle SB first → BB → UTG → UTG+1 → LJ → HJ → CO → Button straddler last The button example is the trap. Without a straddle, UTG normally opens the preflop round. In this profile, a Button straddle moves first action to the small blind. Postflop positional order is not rewritten by the preflop straddle: the first active player left of the Button acts first, and the Button remains last when still in the hand. Our [position guide](https://gtogecko.com/blog/poker-position-strategy) covers that ordinary postflop ordering. Narrow screen? Scroll the diagram horizontally to view both action maps and the SPR ledger. The action maps are eight-handed no-limit examples under the WSOP cash profile. The adjacent text and tables provide the complete text equivalent. Convert Effective Stack Into Straddle Units Suppose the effective starting stack before forced bets is D chips and the largest live blind is S chips. The mechanical starting depth is: effective depth in straddle units = D / S At 5/10 with a 20 straddle, a 2,000-chip effective starting stack is still 200 big blinds in bookkeeping terms, but it is 100 straddle units . The player who posted that 20 has 1,980, or 99 straddle units, behind before facing any voluntary action. If a legal final re-straddle were 40, the same pre-posting stack would be 50 units of that largest live blind. This conversion is necessary, but it is not sufficient to call the game “the same as ordinary 100bb” or “the same as ordinary 50bb.” Dead blinds, antes, first action, last-action rights, minimum raises, rake, and ranges can all differ. Narrow screen? Scroll horizontally to see every depth column. Pure unit conversion; no strategy equivalence implied Starting stack Largest live blind Mechanical depth 100 BB 2 BB straddle 50 straddle units 150 BB 2 BB straddle 75 straddle units 200 BB 2 BB straddle 100 straddle units 200 BB 4 BB final live blind 50 largest-blind units A 5/10 Straddle Does Not Merely Halve the Flop SPR Now compare two constructed eight-handed hands. Both begin 5/10 with 2,000 effective stacks, have one opener and one caller, and reach the flop heads-up. Every other player folds. There are no antes, uncalled chips, rake, or drop. We define flop SPR as the smaller active stack behind divided by the pot at the start of the flop. Narrow screen? Scroll horizontally to audit every pot component. Constructed 5/10 chip ledger Case Open and call Flop pot Stack behind Flop SPR No straddle UTG+1 opens to 30; CO calls 30 5 + 10 + 30 + 30 = 75 2,000 − 30 = 1,970 26.2667 UTG straddles 20 UTG+1 opens to 60; CO calls 60 5 + 10 + 20 + 60 + 60 = 155 2,000 − 60 = 1,940 12.5161 The displayed ratio is 12.5161 / 26.2667 ≈ 0.4765 ; using the unrounded fractions gives the same four-decimal result. Starting depth expressed in the largest-live-blind unit changes from 200 BB to 100 straddle units, yet the exact flop SPR is not simply 26.2667 divided by two. Both sides of the ratio change: the forced pot contains the small blind, big blind, and straddle, while a three-unit open leaves 97 straddle units behind instead of 197 big blinds. This comparison holds the open at three units of the relevant live blind: 30 without a straddle and 60 after the 20 straddle. It does not say either size or range is optimal. If the real game adds an ante, uses a different open, takes a drop, allows more callers, or keeps the straddler in the hand, rebuild the ledger. Four Mistakes the Rule Card Prevents - Calling a 2,000 stack “200bb deep” and stopping there. Record both 200 BB and 100 straddle units; the latter normalizes the stack to the new largest live blind. - Assuming UTG always acts first. Under the cited Button-straddle profile, the small blind acts first in the opening round. - Importing another room's re-straddle or raise rule. A page that confirms “UTG through Button” still does not answer every action-right field. - Studying an ordinary 100bb tree as if it were identical. Similar unit depth does not make the forced pot, positions, rake, or ranges identical. How to Match the Rule to a Study Spot First, copy the eight rule fields and express every amount in both BB and largest-live-blind units. Then record table size, effective stack, ante, rake, positions, and permitted preflop actions. Only compare a study configuration after those inputs match closely enough for the question you are asking. GTO Gecko's current [official product page](https://gtogecko.com/) lists straddle, ante, and rake variants in its precomputed preflop library. The official configuration page documents an [eight-handed straddle-plus-ante cash setup at 200bb](https://app.gtogecko.com/lp). Access depends on the paid plan, and that configuration must not be generalized to every room, stack, rake schedule, pot type, or arbitrary hand. Use a comparable solved spot to study how ranges respond to the stated inputs; do not relabel a different tree. The current Japanese [App Store listing](https://apps.apple.com/jp/app/gto-gecko-%E3%83%9D%E3%83%BC%E3%82%AB%E3%83%BC-wizard/id6738748434) describes GTO Gecko as an adult educational product with precomputed outputs, action frequencies, EV estimates, guided simulated practice, and plan-dependent libraries. It does not connect to live gambling or promise results. Disclosure: GTO Solutions AS publishes this article and GTO Gecko. The rule comparison and constructed arithmetic are educational evidence, not a claim that a product contains the example hand or that study changes gambling outcomes. Straddle Rules FAQ Is a poker straddle always twice the big blind? No. Twice the big blind is a common default and is the default in the cited WSOP 2026 profile unless otherwise specified. House rules or a table placard can define another amount. Who acts first after an UTG straddle? Under the cited WSOP profile, the player immediately left of the straddle acts first, so UTG+1 opens the action and the UTG straddler acts last. Confirm the local rule before relying on that order. Who acts first after a Button straddle? Under the cited WSOP profile, the small blind acts first and the Button straddler acts last in the opening round. Other rooms may ban Button straddles or use another procedure. Does a 2× straddle turn 200bb into 100bb? It turns the stack into 100 units of the straddle mechanically. It does not reproduce an ordinary 100bb game because the forced chips, action order, ante, rake, and available ranges may differ. How do I calculate SPR in a straddled pot? Add every chip actually in the pot at the start of the flop, including blinds and the straddle, then divide the smaller active stack behind by that pot. Do not count folded forced bets twice or omit them. Sources, Data, and Reproduction The rule pages below were re-opened on September 4, 2026. The JSON records the exact cited fields, explicit unknowns, both action maps, unit conversions, and all inputs and outputs for the 5/10 comparison. The JavaScript generator is tested against an independent Python implementation; neither program supplies strategy ranges. - [WSOP Live-Action Rules 2026](https://assets.wsopcdn.com/wsop/853ee602-e1e9-4019-a0cf-381419d805c6.pdf) — rule 22 for position, priority, action order, default size, raise option, and game-specific limits. - [MUSASHI Shibuya current house-rule page](https://www.pokerroom634.com/official/news/172) — confirms its UTG-to-Button doubling sequence; it is not used to infer unstated action rights. - [SEED current house rules](https://seed-poker.jp/house-rules/) — confirms that this room does not adopt straddles. - [Public cases and rule-field ledger (JSON)](https://gtogecko.com/data/poker-straddle-spr-cases.json). - [Independent arithmetic verifier (Python)](https://gtogecko.com/data/poker-straddle-spr-verifier.py). The practical sequence is rule first, unit conversion second, pot ledger third, strategy last. If one house-rule field is missing, preserve the uncertainty instead of importing a familiar answer. ### Pot Committed in Poker: The Current-State EV Test https://gtogecko.com/blog/pot-committed-poker Being pot committed does not mean your earlier chips force you to continue. It means the current price and the remaining decision tree may make continuing better than folding. Judge the next continue-or-fold choice from the point where you are making it. Chips already in the pot affect its present size, but they do not earn an ownership bonus because you supplied them. That does not make action history irrelevant. The line can change the range your opponent represents, the effective stack, who may still act, which pots you can win, the rake still to be taken, and whether you should measure chip EV or tournament prize EV. Those effects belong in the current state . “I already put in too much to fold” does not. Scope: the reproducible examples below are constructed chip-EV models, not observed hands, solver output, or player-pool estimates. The main A/B/C comparison is a heads-up river call that closes action, has no remaining rake or ties, and awards Hero the whole eligible pot on a win. Exact range and equity estimates remain your responsibility. What Does “Pot Committed” Mean in Poker? “Pot committed” has no formal percentage or universal threshold. In common strategy talk, it is informal emphasis that folding looks clearly inferior under plausible current inputs—not a separate mathematical category. The formal rule is to compare the expected value of every legal continuation with folding from the current decision point. Continuing may dominate because the pot is large relative to the next call, your equity is sufficient against the conditional range, or little future action remains. It does not dominate merely because you have invested half a stack, and an ordinary profitable call does not need the label. The emotional pull of a large earlier investment has a name outside poker. Arkes and Blumer's 1985 experiments described the [sunk-cost effect](https://www.sciencedirect.com/science/article/pii/0749597885900494): prior money, effort, or time can increase the tendency to continue. A later [meta-analytic review](https://link.springer.com/article/10.1007/s40685-014-0014-8) reported significant heterogeneity and decision-type dependence. Neither source studied poker. They help name a decision hazard; they do not prove how a particular player thinks or plays. The poker fix is mechanical: freeze the decision point, write down what can still change, and compare legal actions from there. The Current-State Test For a call that ends the betting, let P be every chip in the eligible pot before you act, including the opponent's current bet. Let C be the additional amount you must call now, and let q be your equity against the range that reached this exact action. Closed-action call final pot if you call = P + C EV(call) = q × (P + C) − C incremental EV(fold) = 0 after using folding as the comparison baseline required equity = C / (P + C) If ties are possible, include the appropriate fractional share in q —one half in a two-way tie, one third in a three-way tie, and so on. If you cannot win every chip in the middle, use only the pot for which you are eligible. This is the same price logic developed in our [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math); the new question here is which facts belong on each side of the decision point. A practical current-state record has seven fields: - Eligible pot now: the chips you can actually receive, including the current bet. - Incremental price: the additional chips required for this action—not your total investment in the hand. - Cards and conditional ranges: your equity against the range implied by this line, not against an opening range or one remembered hand. - Effective stacks and future branches: whether more betting, folding, value, or reverse implied odds remain. - Action rights: who may still act, whether action is reopened, and whether a raise is legal. - Remaining charges: rake, drop, or other deductions not already removed. - Objective: cash-game chip value or a tournament prize-value model such as ICM. Earlier action matters only through facts like these and through your separate whole-hand review. It is not an eighth field called “my share of the pot.” Two Different Histories, One Identical Call Consider the fixed river board K ♠ 9 ♠ 6 ♦ 3 ♣ 2 ♥ . Hero holds K ♦ Q ♦ . The constructed A/B betting range contains seven legal ace-king combinations that beat Hero and three missed-spade bluffs—A ♠ Q ♠ , Q ♠ J ♠ , and J ♠ T ♠ —that Hero beats. With equal combination weights and no ties, Hero's exact equity is 3 / 10 = 30% . Both legal chip histories end at the same river state: Villain's 100-chip bet is all-in, the pot before Hero acts is 400, calling costs 100, the final pot would be 500, and Hero has 1,000 chips behind before deciding. The break-even threshold is 100 / 500 = 20% . Narrow screen? Scroll the table horizontally to reach the pot, call, equity, and EV columns. Constructed A/B invariance test, in chips History Hero earlier Others before current bet Opponent bets now Pot now Call now Equity Incremental call EV Expected whole-hand result if called A: multiway dead money 80 220 100 400 100 30% +50 −30 B: heads-up contributions 150 150 100 400 100 30% +50 −100 History A starts nine-handed at 10/20: all nine players contribute 20, Hero bets 60 on the flop, Villain calls, and seven players fold. History B starts heads-up at 25/50: Villain completes the small blind to 50 and Hero checks the big blind; Hero checks the flop, Villain bets 100, and Hero calls. Both turns check through; Hero checks the river; Villain uses the remaining 100 as the all-in bet. Different starting stacks leave Hero with the same 1,000-chip current stack. The [public case file](https://gtogecko.com/data/pot-committed-current-state-cases.json) records every contribution and exact two-card combination. In either history, the expected gross receipt after calling is 0.30 × 500 = 150 . Subtract the new 100-chip call and the incremental call EV is +50 . History A loses 80 by folding and expects to finish the whole hand down 30 after calling: the call improves the result by 50. History B loses 150 by folding and expects to finish down 100 after calling: again, the improvement is 50. The whole-hand results differ because Hero invested different amounts earlier. The current choices do not differ because every decision-relevant input is now the same. A negative whole-hand result can still contain a positive current call; calling does not have to recover the hand to zero to beat folding. Narrow screen? Scroll the diagram horizontally to view all three panels. The table and surrounding paragraphs are the complete text equivalent. Inputs are constructed, not solver or population estimates. When History Really Does Change the Decision Now keep the same cards, 400-chip visible pot, 100-chip call, and 1,000-chip current Hero stack, but change the prior line. In History C, Villain raises the small blind to 150 preflop and Hero calls from the big blind; the flop and turn check through, Hero checks the river, and Villain moves all-in for 100. The exercise assigns that line a more value-heavy twenty-combination betting range: eight ace-king combinations, all three combinations of each available set of nines, sixes, and threes, and the same three bluffs. With equal weights, Hero now wins 3 of 20 combinations, or 15%. EV(call) = 0.15 × 500 − 100 = −25 chips Folding is better in that model. History mattered because it changed the [conditional range](https://gtogecko.com/blog/understanding-ranges-in-poker), which changed current equity. It did not matter because the pot remembered who contributed what. This is the important distinction behind hand reading. Do not erase the earlier line. Translate it into current evidence: which value hands, bluffs, draws, and sizings remain plausible after each action? Then price the decision against that range. The 30% and 15% range equities sit on opposite sides of the same 20% threshold. The physical hands and equity counts are exact for the listed combinations, but the ranges and their equal weights are teaching assumptions—not claims about equilibrium or a player pool. Why Current Pot Odds Can Still Be Incomplete The compact formula works only when the call closes action and realizes the stated equity. On an earlier street, an open tree can change the value even when the immediate pot and price are identical. Take another synthetic model. Hero checks a turn, and Villain bets 100 into 200. The pot is 300 before Hero acts, the call costs 100, and a call makes the pot 400. On the river, Hero checks. Villain checks back 40% of the time, against which Hero has 50% equity, and bets 200 the other 60%, against which Hero has 10% equity. - One-step proxy: pooling the branch equities gives 0.40 × 0.50 + 0.60 × 0.10 = 26% . Treating that as fully realized would give 0.26 × 400 − 100 = +4 . - River bet branch: calling 200 would make an 800-chip final pot, so Hero needs 25% equity. With 10%, the river call EV is 0.10 × 800 − 200 = −120 ; Hero folds. - Declared call-then-check tree: −100 + 0.40 × 0.50 × 400 + 0.60 × 0 = −20 . The proxy values the modeled turn call at +4; the declared call-then-check tree values that call at −20 against folding. It fixes Hero to call and then check, with only call or fold against one river bet; it does not evaluate a turn raise, river lead, or river raise, so it does not prove folding is best among every legal line. This is not a forecast or recommended strategy—the branch frequencies and conditional equities are constructed inputs. It shows why a pooled equity number can be misleading when future action selects different ranges and creates a new price. Low SPR Is Evidence, Not an Automatic-Call Rule A low stack-to-pot ratio (SPR) often makes decisions simpler because fewer chips and branches remain relative to the pot. It can widen profitable continuing ranges. It cannot turn zero equity into enough equity, make an ineligible side pot yours, or convert a poor prize-EV call into a good one. There is no universal rule such as “below 1 SPR, never fold” or “once half your stack is in, call.” Even at very low SPR, a hand with too little equity against the current range should fold if folding is legal and has higher EV. At a higher SPR, a call can still be best when current equity, position, future realization, and the available branches support it. Use SPR as a state variable that changes the tree, not as a label that decides the tree for you. Five Cases That Need More Than the Simple Formula - Future betting remains. Model plausible later bets, folds, raises, and realization instead of treating raw equity as guaranteed receipt. - The pot is multiway or contains side pots. Count only chips Hero can win. Our [side-pot EV guide](https://gtogecko.com/blog/side-pot-equity-calculation) shows the separate eligibility ledger and uses the same incremental decision baseline. - Rake or a drop remains. Use the net eligible pot after any incremental charge under each action; do not subtract money already removed a second time. - Tournament chips are not linear prize value. A positive chip-EV call can differ from the best prize-EV choice under [ICM](https://gtogecko.com/blog/icm-poker-strategy), especially near large payout changes. - Action rights are unusual. An all-in, short raise, player behind, or reopening rule can add or remove branches. Record what is actually legal before doing the arithmetic. In every case, keep the time boundary honest. In the closed-action chip model, we subtract the value of folding from both choices and call that incremental baseline zero; we do not claim the player's stack or tournament equity becomes worthless. Earlier losses still belong in session records and hand review, but they cancel when comparing actions that share the same past. Under ICM, compare the prize EV of calling with the prize EV of folding rather than importing the chip formula unchanged. A Five-Question Pot-Commitment Audit - Where is “now”? Mark the exact point before any new chips leave your stack. - What can I receive? Record the eligible pot now, the incremental price, and the final pot if this action closes betting. - What range reached this action? Convert the line, sizing, cards, and player evidence into a conditional range; then estimate equity against that range. - What branches remain? Include players behind, legal raises, future streets, remaining stacks, rake, and possible folds before showdown. - Which EV am I optimizing? Compare chip EV in an ordinary cash-game model or prize EV in a tournament model—do not slide between them. For study, write the state before looking at an answer. Compute the closed-action threshold where it applies, then inspect the relevant range and branches. The current US [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) listings describe GTO Gecko as an educational product for reviewing precomputed preflop and postflop ranges and strategies, practicing simulated decisions with feedback, and reviewing study progress. Where a comparable library spot is available, use it for this drill; do not assume the product contains either constructed example or accepts an arbitrary custom node. Disclosure: GTO Solutions AS publishes both this article and GTO Gecko. The examples demonstrate declared arithmetic, not an outcome promise or evidence that using a study product improves poker results. Pot-Committed FAQ Does putting half my stack in mean I have to call? No. Your earlier contribution affects the pot and remaining stack, but the next call still needs to beat folding from the current point. Use the current price, eligible pot, range, equity, and remaining branches. Can I be pot committed and still expect to lose the hand? Yes. A call can be positive EV relative to folding even when it loses most of the time or leaves the whole hand negative in expectation. In History B, the modeled call improves the result by 50 chips while the expected whole-hand result remains −100. Is there an SPR number where folding is always wrong? No universal SPR cutoff decides every range, board, price, rake structure, action tree, or payout model. Low SPR is useful context, not a proof. Should I ignore how the hand was played? No. Use the earlier line to update conditional ranges, remaining stacks, action rights, eligible pots, and other current facts. Ignore only the idea that your own sunk chips deserve special protection. Are pot odds enough before the river? Not necessarily. When betting remains, implied value, reverse implied costs, future folds, range changes, and equity realization can make the complete tree differ from a closed-action shortcut. Sources, Data, and Reproduction - Hal R. Arkes and Catherine Blumer, [“The Psychology of Sunk Cost”](https://www.sciencedirect.com/science/article/pii/0749597885900494), Organizational Behavior and Human Decision Processes , 1985. Publisher record accessed September 4, 2026. - Stefan Roth, Thomas Robbert, and Lennart Straus, [“On the sunk-cost effect in economic decision-making: a meta-analytic review”](https://link.springer.com/article/10.1007/s40685-014-0014-8), Business Research , 2015. Open publisher article accessed September 4, 2026. - GTO Gecko: Poker Study on the [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Product descriptions accessed September 4, 2026. - GTO Gecko, [current-state cases, formulas, assumptions, and text equivalent (JSON)](https://gtogecko.com/data/pot-committed-current-state-cases.json), plus an [independent standard-library verifier (Python)](https://gtogecko.com/data/pot-committed-current-state-verifier.py). Generated September 4, 2026. The Node generator recomputes the arithmetic and writes the public data and diagram. The independent Python verifier additionally checks card legality, enumerates every listed seven-card matchup, and recomputes the contribution ledgers, 20% threshold, +50/+50 paired-history result, −25 range-information counterexample, and +4-versus−20 future-tree reversal. Download both public data files into one folder and run python pot-committed-current-state-verifier.py . A pass confirms internal consistency with the declared inputs; it cannot estimate a real range, prove a solver strategy, or decide a live hand. ### Results-Oriented Poker: Judge the Decision Before the Result https://gtogecko.com/blog/results-oriented-poker A poker decision can be good and lose, or bad and win. Review it first with only the information available when the action was taken. Then reveal the runout and use any genuinely new evidence to improve future estimates. If win or loss is the only new information and neither the recorded inputs nor the reference analysis changed, the outcome—not the decision—moved your grade. This separation keeps two judgments auditable. Outcome bias changes how good the choice seems because it succeeded or failed. Hindsight bias makes the finished hand feel more predictable than it was. A locked record lets you compare your later reaction with what you actually wrote. Scope: the four cases below are constructed, heads-up cash-game chip-EV demonstrations. Villain is all-in, so call and fold are the only legal actions. The cases use no observed player data or solver output, and this is not a validated psychological test or a set of strategy recommendations. The models assume no ties, no remaining rake, and full equity realization. Their purpose is to isolate the logical difference between expected value and one realized result. What Does “Results-Oriented” Mean in Poker? Being results-oriented means using what happened after a poker choice as if it directly proved the quality of that earlier choice. A bluff is not automatically sound because it worked. A value bet is not automatically a mistake because it ran into the top of a range. A call with enough modeled equity does not become poor when the river or showdown loses. Jonathan Baron and John Hershey studied this broader evaluation problem under the label [outcome bias](https://bear.warrington.ufl.edu/brenner/mar7588/Papers/baron-hershey-jpsp1988.pdf). Across five 1988 studies with University of Pennsylvania undergraduates using medical decisions and monetary gambles, favorable outcomes led participants to evaluate otherwise matched decisions more favorably. A 2023 [preregistered replication and extension](https://rips-irsp.com/articles/10.5334/irsp.751) by Sriraj Aiyer and colleagues used online MTurk participants recruited through CloudResearch in a between-participants medical scenario and retained 692 participants after exclusions; it replicated the signal and direction of the original outcome effect. The researchers shared [materials, data, and code on OSF](https://osf.io/knjhu/). Those studies support the general distinction between a decision and its outcome. They did not study poker players, train poker decisions, or validate the worksheet in this article. The poker application below is a transparent teaching construction, not a new behavioral finding. Try the Result-Swap Exercise Imagine a river decision where Villain is all-in and Hero may only call or fold. Folding has incremental EV of zero. The pot is 300 chips before Hero acts, including Villain's bet. Calling costs 100, so the final pot after a call is 400. Let q be Hero's equity against the range that made this exact bet. Closed-action model required equity = 100 / 400 = 25% EV(call) = q × 400 − 100 A win realizes +300 chips from the decision point; a loss realizes −100 . This compact calculation is only the control surface for the result swap. The [closed-action call-EV guide](https://gtogecko.com/blog/pot-committed-poker) covers the full price formula and its assumptions. Now give the call a model-based action grade in each profile while its two outcomes remain hidden. Use any stable scale you like—for example, −3 for clearly poor through +3 for clearly good—and write the number and criterion down before opening a reveal. Profile G: 30% modeled equity The declared range model gives Hero 30% equity. The call's expected value is 0.30 × 400 − 100 = +20 chips . Under these assumptions, calling is better than folding. Record one model-based action grade for both identical twins, G-win and G-loss. Step 1: reveal only the two Profile G results G-win returns the 400-chip final pot and realizes +300 from the decision point. G-loss returns nothing and realizes −100. Before reading the interpretation, give G-win and G-loss separate snap grades. If either differs from your locked grade, record the direction and size of the change. Step 2: compare the Profile G grades Both twins had the same 30% model, price, legal options, and +20 call EV before the result. If G-win now seems better than G-loss, the result is the only changed field. Preserve the original model-based action grade and audit the reaction separately. Profile H: 15% modeled equity The declared range model gives Hero 15% equity. The call's expected value is 0.15 × 400 − 100 = −40 chips . Under these assumptions, folding is better than calling. Record one model-based action grade for both identical twins, H-win and H-loss. Step 1: reveal only the two Profile H results H-win realizes +300 from the decision point. H-loss realizes −100. Before reading the interpretation, give H-win and H-loss separate snap grades. Record any change from the grade you locked above. Step 2: compare the Profile H grades Both twins had the same 15% model, price, legal options, and −40 call EV before the result. The winning H call remains model-negative under the declared inputs; the losing G call remains model-positive. Result and action grade occupy separate axes. This result-swap exercise is a private consistency check, not a diagnostic instrument. The snap grades can record an outcome-aligned rating difference. Because the exercise is self-administered and uses a fixed order, it cannot isolate what caused that difference. It does not estimate a general bias or measure how you play. The Four Boxes a Hand Review Must Keep Separate Narrow screen? Scroll the table horizontally to reach the EV, outcome, and interpretation columns. Constructed 2 × 2 result-blind demonstration, in chips Case Equity model Call EV before result Action grade before result Realized call result Correct interpretation G-win 30% +20 Model-positive call +300 Sound under the model; favorable result G-loss 30% +20 Model-positive call −100 Sound under the model; unfavorable result H-win 15% −40 Model-negative call +300 Fold preferred in the model; favorable result H-loss 15% −40 Model-negative call −100 Fold preferred in the model; unfavorable result The table is deliberately repetitive. Within each pair, the information available before the action is identical. Only the stipulated outcome changes. Across rows, decision EV and realized payoff form separate axes: a positive-EV action can occupy either outcome column, and so can a negative-EV action. The arithmetic also shows why “I won” is not a replacement for “my estimate was sound.” The 30% input is a declared model, not a fact discovered by losing. If the actual conditional range estimate was poor, improve the model in a separate audit. Do not silently swap in Villain's revealed holding and pretend you assigned it certainty before calling. Outcome Bias and Hindsight Bias Are Not the Same Outcome bias asks, “Did the result change how I rate the choice?” Hindsight bias asks, “Did knowing the result change how predictable I think it was?” They can occur together, but they are not interchangeable. In Experiment 1 of Baruch Fischhoff's 1975 [hindsight study](https://doi.org/10.1037/0096-1523.1.3.288), outcome knowledge increased postdicted likelihoods and changed which details participants saw as relevant. Baron and Hershey explicitly separated that route from the direct effect of an outcome on decision evaluation. In poker language: - Outcome-bias statement: “The call lost, so the call was bad.” - Hindsight-bias statement: “After seeing the value hand, it was obvious that this line was never bluffing.” - Valid model criticism: “Before reveal, I omitted a public stack, sizing, or action-history fact that should have changed the conditional range.” A written record creates an audit trail; it is not a proven treatment. In two experiments with 98 and 128 Iowa State undergraduates (226 total), Amy Bradfield and Gary Wells had participants predict the future of videotaped couples, then supplied randomly assigned feedback that confirmed or disconfirmed the prediction. Participants later distorted reports about their earlier certainty, evidential basis, timing, and related judgments even though the prediction itself had been recorded. In Experiment 2, private thought about the upcoming retrospective questions before the outcome feedback diminished those effects. This task was not poker, and it does not prove that a poker journal prevents bias or improves win rate. When Should a Result Change Anything? Expected value describes a distribution before the outcome is observed; a result is one realization from it. Profile G can lose and Profile H can win without contradicting either declared calculation. The useful question is not “Do results matter?” but “What is this result evidence about?” Narrow screen? Scroll the table horizontally to reach the future-model column. Keep the old action grade separate from the future model Observation after the action Change the old grade? Update a future model? Ordinary runout No. It was unavailable at decision time. No, unless it exposes a record error. One revealed holding No. It does not change the earlier information set. Shows the combo occurred in this hand; weak evidence about its future frequency. Corrected public fact or reference mismatch Re-audit, naming the exact correction. Yes, if it changes the relevant assumptions. Prospectively collected comparable series No retroactive rewrite. Possibly; weight it under a declared sampling and comparison rule. Baron and Hershey described two narrower indirect uses: an outcome may affect an evaluator's beliefs about information the decision maker possessed, and a sequence of similar decisions can update probability beliefs. In self-review, hole cards revealed after the action are new evidence for future models, not recovered decision-time knowledge. A showdown establishes that one holding was possible in that hand; it does not establish a population frequency. Separately, if the audit uncovers a public fact or reference mismatch that belonged in the original information set, re-audit while naming that correction. Keep three records: the model-based action grade, the quality of your reasoning and assumptions, and the realized outcome. A hand can contain a sound action under a weak model and a favorable result. Compressing all three into “played well” or “played badly” destroys the part you need to improve. Narrow screen? Scroll the diagram horizontally to view all three stages. Text equivalent: first record the state, belief, assumptions, action, reason, confidence, and initial grade. While the result remains hidden, compare that record with a suitable model and preserve uncertainty. Then reveal the runout or showdown, separate luck from new evidence, and carry justified changes into a prospective set of comparable future spots. Use a Two-Pass Check for Outcome Bias The [quick review card (CSV)](https://gtogecko.com/data/results-oriented-poker-quick-review.csv) has one header and one reusable twelve-field template row. Copy that row for each decision. It follows the only chronology this check needs: - Lock the state and belief. While the result is hidden, record the available options, the range or equity belief you held, your action and reason, and confidence. Mark an unknown as unknown. - Audit the model-based action grade. Name the calculation, retained solver node, coach review, or other reference; record any mismatch in stack, size, range, rake, or tree. Lock the grade before reveal. - Reveal the raw result. Record what happened and a separate snap grade or change. Do not overwrite the locked fields. - Update only the future. Name genuinely new evidence, the future belief it might change, and the next comparable sample needed to test it. This card creates an audit trail; it is not an automatic score or validated test. A static CSV cannot hide the result or verify when you filled each field, so chronology is self-reported. It also cannot decide whether two spots are comparable, recover a belief you never recorded, or validate a range assumption. For scheduling, drilling, and the broader study loop, use the [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker). The longer technical CSV in the reproduction bundle exists to test the four synthetic fixtures, not as the everyday reader worksheet. Three Ways the Check Can Still Fail 1. Rebuilding the range around the revealed hand A vivid showdown can make every earlier action look like a clue pointing to that exact holding. Preserve the pre-reveal range, then ask only whether the combo was inside it and what further sample would justify a frequency update. Our guide to [thinking in ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) explains why one hand is not the whole distribution. 2. Reviewing only emotional hands A sample of bad beats, hero calls, and huge bluffs was selected by outcome. Choose decisions prospectively—for example, the first eligible river call from each session—or review a complete tagged class. Use the [EV-loss leak framework](https://gtogecko.com/blog/poker-leak-finder-ev-loss) when the question is aggregate strategic cost. 3. Treating a reference as ground truth for a different spot A solver output is conditional on its tree, stack, sizes, ranges, rake, and objective. A nearby node can challenge your reasoning without certifying the actual hand. Write down each mismatch before comparing actions. Use a Study Tool After You Lock the Reasoning A practical order is: write the hand state and your reason, keep the result hidden, then consult an appropriate reference. The current US [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US) listings describe GTO Gecko as an educational product for exploring precomputed poker scenarios, comparing available actions, frequencies, EV estimates, and range composition, and practicing simulated decisions with neutral feedback. Where an available library spot is genuinely comparable, it can provide a model baseline for the pre-reveal audit. Do not treat that baseline as a verdict on an unmatched hand. The public listings do not describe a result-hiding mode, arbitrary hand-history import, live-table connection, or a guarantee that every configuration is available. Preserve any mismatch and grade your assumptions separately. Disclosure: GTO Solutions AS publishes both this article and GTO Gecko. The constructed cases demonstrate declared arithmetic; they do not show that the product or review protocol improves player behavior, poker results, or profit. Results-Oriented Poker FAQ Is a winning poker decision always good? No. A negative-EV action can realize a favorable result. Grade the action from the information, options, payoffs, objective, and beliefs available before the outcome. Can one revealed bluff update my range? It proves that the specific bluff was possible in that hand. It does not establish how often the player or population takes the line. Give frequency claims a defined set of comparable observations. What if review exposes a missing decision-time fact? If you omitted a public fact that was available when you acted, re-audit and name that exact correction. A holding revealed only at showdown does not rewrite the old information set; record it separately as evidence for a future belief. Keep the original entry so the reason for either update remains auditable. Sources, Data, and Reproduction - Jonathan Baron and John C. Hershey, [“Outcome Bias in Decision Evaluation”](https://bear.warrington.ufl.edu/brenner/mar7588/Papers/baron-hershey-jpsp1988.pdf), Journal of Personality and Social Psychology , 1988. Open paper accessed September 4, 2026. - Sriraj Aiyer, Hoi Ching Kam, Ka Yuk Ng, Nathaniel A. Young, Jiaxin Shi, and Gilad Feldman, [“Outcomes Affect Evaluations of Decision Quality: Replication and Extensions of Baron and Hershey's (1988) Outcome Bias Experiment 1”](https://rips-irsp.com/articles/10.5334/irsp.751), International Review of Social Psychology , 2023. Article and linked [OSF materials, data, and code](https://osf.io/knjhu/) accessed September 4, 2026. - Baruch Fischhoff, [“Hindsight Is Not Equal to Foresight: The Effect of Outcome Knowledge on Judgment Under Uncertainty”](https://doi.org/10.1037/0096-1523.1.3.288), Journal of Experimental Psychology: Human Perception and Performance , 1975. DOI record and [open archived paper](https://web.mit.edu/curhan/www/docs/Articles/15341_Readings/Behavioral_Decision_Theory/Fischhoff_1975_Hindsight_is_not_equal_to_foresight.pdf) accessed September 4, 2026. - Amy Bradfield and Gary L. Wells, [“Not the Same Old Hindsight Bias: Outcome Information Distorts a Broad Range of Retrospective Judgments”](https://pubmed.ncbi.nlm.nih.gov/15915798/), Memory & Cognition , 2005. PubMed record and [open paper](https://link.springer.com/content/pdf/10.3758/BF03195302.pdf) accessed September 4, 2026. - GTO Gecko: Poker Study on the [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver&hl=en_US&gl=US). US product listings accessed September 4, 2026. - GTO Gecko, [quick reader review card (CSV)](https://gtogecko.com/data/results-oriented-poker-quick-review.csv), [four constructed cases and assumptions (JSON)](https://gtogecko.com/data/results-oriented-poker-cases.json), [technical fixture card (CSV)](https://gtogecko.com/data/results-oriented-review-card.csv), [method and limitations (Markdown)](https://gtogecko.com/data/results-oriented-poker-README.md), and [separately implemented verifier (Python)](https://gtogecko.com/data/results-oriented-poker-verifier.py). Generated September 4, 2026. The Node generator recomputes the four cases and writes both CSVs. A separately implemented standard-library Python verifier checks their schema, arithmetic, pair invariance, realized payoffs, and cells. Download the bundle into one folder and run python results-oriented-poker-verifier.py . A pass confirms internal consistency with the declared synthetic inputs and the fixtures embedded in that verifier version; it is not cryptographic proof of provenance. It cannot measure outcome bias in a person, validate the review protocol, estimate a real opponent's range, reproduce a solver, or recommend a wager. ### River Block Bets: When Betting Small Beats Checking https://gtogecko.com/blog/river-block-bet-strategy A river block bet is a deliberate small lead by the out-of-position player. It can beat checking when worse hands call the small bet, those hands would often check back, and the opponent's raise branch is not costly enough to erase the extra value. It fails when calls are too strong, worse hands fold, or raises force too much of the betting range to surrender. The name is misleading if you take it literally. A small lead proposes a lower first price and changes the response tree. It does not cap the pot: the in-position player can still fold, call, or raise. [PokerStars Learn's April 9, 2026 guide](https://www.pokerstars.com/poker/learn/strategies/a-guide-to-block-betting-the-river/) uses 20%–33% pot as a current educational convention for this idea. That is not a rule. The defensible size depends on the board, action history, stack, ranges, rake, and other sizes allowed in the tree. Scope: the compact model below covers one fixed hand in a heads-up no-limit Hold'em river tree. It allows check-fold/check-call or bet-fold/bet-call against one opponent bet or raise size. It excludes check-raises, river three-bets, multiple response sizes, side pots, and new rake. For a range, choose the best response for each combination first, then weight legal hand pairs; do not apply one best response to pooled range-average equity. Compare Two Trees, Not Two Slogans “Bet small for thin value” is not enough analysis. Neither is “check to control the pot.” The decision is between two complete trees: - After checking, the opponent can check back or bet. If they bet, you can fold or call. - After leading, the opponent can fold, call, or raise. If they raise, you can fold or call. The chips lost when you bet-fold still count in the original decision. The labels describe different things. A [donk bet](https://gtogecko.com/blog/donk-betting-strategy) describes leading into the previous aggressor. A [probe bet](https://gtogecko.com/blog/probe-betting-strategy) depends on a previous-street check-back. A block bet describes a usually small river lead's strategic role. One bet can fit more than one label, but no label settles its EV. It also has nothing to do with holding a [blocker card](https://gtogecko.com/blog/blockers-unblockers), although card removal can shape the betting range. What a Small River Lead Can Gain - Calls from hands that would check back. This is the cleanest thin-value case. A medium-strength hand turns a missed value opportunity into a call from worse. - A different response tree. After a check, the opponent may bet a polarized range for a larger size. After a small lead, some hands call, some fold, and only a subset raises. The new response range can be easier or harder to face; the tree decides. - Cheap folds from better hands. On the river, folding a worse hand does not deny future equity—there is no next card. A bluffing small lead earns its keep only by folding hands that currently win at showdown. A zero-equity bluff risking 25 chips to win 100 breaks even at 25 / (100 + 25) = 20% folds when every non-fold response loses the 25 and there is no further profitable branch. That is a restricted break-even result, not a recommended frequency. The Branch-Complete EV Model Let P be the pot before the river decision. Measure chip EV from that decision point, with prior contributions treated as sunk and any earlier rake already removed. After checking EV(check) = c × e_checkback × P + (1 − c) × max[0, e_vs_bet × (P + 2x) − x] c is the opponent's check-back probability, x is their bet, and the maximum chooses between folding for zero and calling. After leading b EV(lead) = f × P + k × [e_vs_call × (P + 2b) − b] + r × max[−b, e_vs_raise × (P + 2y) − y] The opponent folds with probability f , calls with k , and raises with r , so f + k + r = 1 . y is the opponent's total raise-to amount , not the extra chips above your lead. The four equities are conditional on four different response ranges. The range that checks back is not the range that calls a lead, and neither is the range that raises. Plugging one pooled showdown-equity number into every branch can make a good line look bad—or hide a losing line. A 100-Chip Worked Example Consider a synthetic heads-up river model: a 100-chip pot, a medium-strength made hand out of position, a 25-chip lead, and a 100-chip total raise-to size. These assumptions expose the arithmetic; they are not observed player frequencies or solver output. If you check, the opponent checks back 50% of the time. Your 65% equity against that branch contributes 0.50 × 0.65 × 100 = 32.50 chips. The opponent bets 75 the other 50%; your 32% equity makes calling worth 0.32 × 250 − 75 = 5 , contributing another 2.50. EV(check) is 35 chips. Synthetic 25-chip lead into a 100-chip pot Opponent response Probability Hero branch decision and payoff Weighted contribution Fold 20% Win the 100-chip pot +20.00 Call 70% 55% equity: 0.55 × 150 − 25 = 57.50 +40.25 Raise to 100 10% Fold and lose the 25-chip lead −2.50 Total 100% EV(lead) +57.75 Under these inputs, leading gains 57.75 − 35 = 22.75 chips over checking. The source of the gain is visible: the calling branch contains enough worse hands, while the raise branch is uncommon enough that bet-folding does not consume the value. Change those inputs and the conclusion can reverse. Illustrative model, not solver output. The paragraphs and ledger above are the complete text equivalent. Where the Conclusion Flips This sensitivity table is also synthetic, not solver output. It holds the check line at 35 chips, the lead at 25, folds at 20%, and equity versus a raise at 10%, so Hero folds to each raise to 100. As raise frequency rises, call frequency falls to keep all responses at 100%. Only equity against callers and raise frequency vary. EV(lead) − EV(check) , in chips; negative cells favor checking Equity versus calls Raise 5% Raise 15% Raise 25% Raise 35% 25% −6.88 −10.63 −14.38 −18.13 35% +4.38 −0.88 −6.13 −11.38 45% +15.63 +8.88 +2.13 −4.63 55% +26.88 +18.63 +10.38 +2.13 Read across for the cost of more raises and down for the value of a weaker calling range. At 35% equity versus calls, a 5% raise rate leaves the lead ahead; 15% makes it slightly worse. “I can get called” is incomplete: which hands call, and what does the rest of the range do? What to Do When the Block Bet Is Raised Suppose you lead 25 into 100 and the opponent raises to 100 total. Calling costs another 75, and the final pot after you call is 300. At the response node, you need: equity needed = (raise-to − lead) / (pot + 2 × raise-to) = 75 / 300 = 25% Equivalently, folding returns −25 from the original decision point; calling returns equity × 300 − 100 . Call when the latter is at least −25 . The first 25 chips are sunk at the response node , but they do not vanish from the original lead's EV. A pure zero-equity raise to 100 risks the full 100 to win the 125-chip pot already out there. It needs Hero to fold 100 / 225 = 44.44% of the time. In that stripped-down model, continuing at least 55.56% denies an automatic-profit pure bluff. This is not a universal minimum-defense target: value raises, showdown equity, several sizes, rake, and river three-bets change the solution. Against a strategic raiser, a robust small-bet range cannot contain only marginal bet-folds. It needs stronger continues alongside selected bluffs and thin value; the exact mix is node-specific. Use [polarized and merged range concepts](https://gtogecko.com/blog/polarized-vs-merged-ranges) as vocabulary, not as a substitute for opening the response tree. A Bounded Current-Engine Observation Constructed solver snapshot, not a population recommendation. On September 4, 2026, the publisher of this article ran one author-constructed heads-up river node—using the same rank runout as the cited PokerStars example—through GTO Gecko's then-current solving service. The pot was 100, effective river stacks were 300, and the board was J ♠ 4 ♦ 2 ♣ A ♥ 8 ♠ . We supplied explicitly listed, equally weighted ranges of 39 OOP and 40 IP physical combinations and a fixed action tree. The service returned three root actions. After card-removal conditioning and weighting all 1,365 legal OOP–IP hand pairs in its two-decimal per-combination dump, the range checked 69.56%, bet 25 for 23.95%, and shoved 300 for 6.49%. Three retained responses were byte-identical. The response did not expose a deployment revision or independent exploitability certificate, so we report what the service returned—not a claim that this proves equilibrium accuracy. This bounded result shows that a small lead can appear alongside checks and a larger bet in one fully specified model. It does not prescribe these frequencies for another board, range, stack, rake, action menu, or opponent, and it is not a claim that the public solution library contains this constructed node. The [sanitized input, per-combination root output, and collision-weighted aggregation](https://gtogecko.com/data/river-block-bet-solver-snapshot.json) are public. The EV table above is a separate sensitivity model, not solver output. When to Look for the Bet—and When to Reject It Questions to ask before copying a small river lead Small lead becomes more plausible Checking becomes more plausible Worse bluff-catchers can call small but would check back. Worse hands mostly fold while better hands call. The checking branch faces an awkward larger, polarized bet. Checking captures nearly the same showdown value without opening a costly raise branch. Your range retains enough strong hands to continue against raises. Your small-bet range lacks credible continues and can be pressured. A bluff candidate folds enough hands that currently win. The opponent's continue range is too strong for the amount risked. Removal effects improve the intended call or fold target. The copied size came from a different board, range, or action history. Multiway pots, payout pressure, and a different rake treatment move the decision outside this simple heads-up chip-EV model. Exploit adjustments also need a read or sample. If a particular opponent calls too wide and rarely raises, thin value improves. If that opponent bluff-raises too often, hands clearing the call threshold gain value while weak bet-folds lose value. Those are conditional deductions, not claims about a stake or player pool. A Five-Step Block-Bet Study Drill - Freeze the node. Record positions, board, action history, pot, effective stack, rake treatment, and available river sizes. - Compare the two roots. Write down check EV and small-lead EV for the range and for the hand you are studying. - Open every response. Record fold, call, and raise frequencies. Confirm they sum to 100%, then inspect the selected range in each branch. - Audit the raise plan. Calculate the call threshold from the actual total raise-to size. Mark bet-folds and bet-calls combination by combination. - Change one input. Add or remove one size, alter one range assumption, or change the river card. If the conclusion moves, identify the branch that caused it. The current US [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) listings describe GTO Gecko as an educational product for reviewing precomputed preflop and postflop ranges or strategies, practicing decisions with feedback, and tracking study progress. Use a comparable library node for this drill; do not assume the consumer product contains this constructed research node or accepts arbitrary inputs. Disclosure: GTO Solutions AS publishes both this article and GTO Gecko. The constructed engine snapshot supports one specified observation; it is not an outcome promise or evidence that studying it improves poker results. Common Block-Bet Mistakes - Treating the name as protection. The opponent still owns a raise button. - Counting calls without conditioning the range. A high call rate is bad if the callers are mostly better hands. - Using one equity number everywhere. Check-backs, calls, bets, and raises are selected ranges. - Betting only medium hands. A face-up bet-fold range invites an aggressive response. - Copying 25% or 33% mechanically. Sizing changes both the price offered and the raise tree. See our broader [poker bet-sizing guide](https://gtogecko.com/blog/poker-bet-sizing-strategy). - Ignoring the alternative. A small lead can be profitable and still lose to checking; compare the two EVs. River Block-Bet FAQ Is every small out-of-position river bet a block bet? No. “Block bet” is most useful when the small lead is chosen to improve on the check branch, commonly through thin value or a low-risk bluff. Another small bet may simply be an ordinary value size. What size is a block bet? There is no universal cutoff. Sizes around 20%–33% pot appear in current educational usage, but the available tree and ranges decide whether 25%, 40%, or no lead is best. Is bet-folding the river always weak? No. Folding can be correct when your equity against the raising range is below the call threshold. The strategic leak is building a whole small-bet range that cannot defend, not folding one hand that lacks enough equity. Is a block bet the same as a donk bet? Not necessarily. “Donk bet” describes action order relative to the previous aggressor. “Block bet” describes the role and usually small size of a river lead. The same action can be both. Does the engine snapshot prove I should block bet that board? No. It shows that one constructed range pair and one restricted action tree used the 25-chip option. Reproduce your node, inspect the response ranges, and test whether the result survives reasonable changes. Sources, Data, and Reproduction - PokerStars Learn, [“A Guide to Block Betting the River”](https://www.pokerstars.com/poker/learn/strategies/a-guide-to-block-betting-the-river/), April 9, 2026; and [“Considering if Betting Smaller is Better”](https://www.pokerstars.com/poker/learn/strategies/considering-if-betting-smaller-is-better/), October 24, 2025. These establish current public terminology, not this article's calculations. Accessed September 4, 2026. - Apple App Store, [GTO Gecko: Poker Study](https://apps.apple.com/us/app/gto-gecko-poker-study/id6738748434); Google Play, [GTO Gecko: Poker Study](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Product descriptions accessed September 4, 2026. - GTO Gecko, [branch-complete model and assumptions (JSON)](https://gtogecko.com/data/river-block-bet-model.json), [sensitivity rows (CSV)](https://gtogecko.com/data/river-block-bet-sensitivity.csv), [sanitized solver snapshot (JSON)](https://gtogecko.com/data/river-block-bet-solver-snapshot.json), and [independent standard-library checker (Python)](https://gtogecko.com/data/river-block-bet-verifier.py). Generated September 4, 2026. The Node generator and independent Python checker recompute all terminal payoffs, the 16 sensitivity cells, the 20%/44.44%/25% thresholds, legal card-collision counts, and the range-weighted root frequencies. Download the four data files into one folder and run python river-block-bet-verifier.py . Passing confirms internal consistency with the declared inputs; it cannot prove that the toy response frequencies occur in play or independently certify a private solving service. ### Short Deck Starting-Hand Equity: 12 Exact Hold’em Matchups https://gtogecko.com/blog/short-deck-starting-hand-equity Short answer: moving to Short Deck does not apply one universal multiplier to familiar starting hands. In our exact fixed-suit comparisons, A ♠ A ♥ against J ♣ T ♣ fell from 78.283% to 62.546% , while A ♠ 9 ♠ against K ♥ K ♦ rose from 32.251% to 45.463% . Q ♠ Q ♥ against A ♣ K ♣ changed from a 53.786% favorite to a 45.723% underdog. Those shifts do not all come from the same rule. We exhaustively enumerated four models so each matchup can move through three controlled steps: remove ranks 2–5, add A-6-7-8-9 as the low straight, then place a flush above a full house. That decomposition reveals both large changes and near-perfect cancellations. Disclosure: GTO Solutions AS publishes both this site and Short Deck Poker Trainer. The results below come from open code and exhaustive board enumeration, not from product output or store copy. They are fixed-card showdown equities—not ranges, solver strategies, or promises of results. The Exact Rules Profile “Short Deck” is not enough to identify every house rule. This article uses the current [PokerStars 6+ Hold’em rules](https://www.pokerstars.com/poker/games/six-plus/), checked September 4, 2026: remove every 2, 3, 4, and 5; allow A-6-7-8-9 as the lowest straight; rank a flush above a full house; keep a straight above three of a kind. PokerStars also describes antes and a Button blind, but forced bets do not enter an all-in showdown-equity calculation. Some rooms rank trips above a straight. These results do not transfer to that profile. Confirm the deck and hand-ranking order before using any Short Deck chart. Four models, one ordered comparison - 52-card standard: ordinary Hold’em deck, A-2-3-4-5 low straight, full house above flush. - 36-card deck only: ranks 6–A, ordinary consecutive straights only, full house above flush. - Add the low straight: the same 36-card boards, now A-6-7-8-9 also counts. - Official profile: the same boards and low straight, now flush ranks above full house. The order matters. These are sequential, arithmetic contributions under four declared models—not timeless causal shares or a story about how the game evolved. 12 Exact Starting-Hand Matchups Each row fixes all four hole cards, including suits. “Equity” is the first hand’s share if both players are all-in and every legal board is equally likely. Values are exact before display rounding; the [complete integer counts and unrounded results](https://gtogecko.com/data/short-deck-equity/short-deck-equity-matchups.json) are published beside the article. Narrow screen? Scroll the table horizontally to compare all four models. First hand’s heads-up all-in equity and ordered change; Δ values are percentage points Fixed-suit matchup Equity Ordered change 52-card standard 36-card deck only + A-6-7-8-9 Official profile Deck Δ Low-straight Δ Ranking Δ Total Δ A♠ A♥ vs K♣ K♦ 81.255% 74.138% 74.258% 74.258% −7.118 +0.120 0.000 −6.998 A♠ A♥ vs J♣ T♣ 78.283% 63.685% 63.685% 62.546% −14.598 0.000 −1.139 −15.737 Q♠ Q♥ vs A♣ K♣ 53.786% 48.062% 46.898% 45.723% −5.724 −1.164 −1.175 −8.063 Q♠ Q♥ vs A♣ K♦ 57.165% 50.009% 48.734% 48.504% −7.156 −1.275 −0.230 −8.661 A♠ K♦ vs J♥ T♥ 58.820% 49.707% 49.707% 49.351% −9.113 −0.0002 −0.356 −9.469 A♠ Q♦ vs Q♥ J♥ 68.327% 59.090% 59.273% 59.134% −9.238 +0.184 −0.139 −9.193 A♣ K♣ vs Q♥ J♥ 62.719% 55.507% 55.979% 55.991% −7.212 +0.472 +0.011 −6.728 A♣ K♣ vs Q♣ J♣ 65.955% 56.583% 57.123% 57.123% −9.372 +0.541 0.000 −8.831 9♣ 8♣ vs A♥ K♦ 40.383% 42.882% 45.790% 46.193% +2.498 +2.908 +0.403 +5.810 7♣ 6♣ vs A♥ K♦ 42.254% 39.577% 42.486% 42.889% −2.678 +2.909 +0.403 +0.635 A♠ 9♠ vs K♥ K♦ 32.251% 40.462% 44.222% 45.463% +8.211 +3.760 +1.241 +13.212 A♣ 6♣ vs Q♥ Q♦ 32.181% 37.262% 41.022% 42.262% +5.081 +3.760 +1.241 +10.081 Suit boundary: these are exact suit realizations, not averages for labels such as “AKs” or “QQ.” Global suit names are interchangeable, but relative overlap is not. For example, two suited hands can share a suit or occupy different suits; those are different blocker topologies. Narrow screen? Scroll the chart horizontally to inspect every matchup. Colored segments are signed, ordered contributions. Removing ranks 2–5 explains −14.598 points of the A♠ A♥ versus J♣ T♣ shift. A♠ 9♠ versus K♥ K♦ gains +8.211 from deck removal, +3.760 from A-6-7-8-9, and +1.241 from the flush/full-house swap. The full table above is the text equivalent. Finding 1: Two Familiar Favorites Flip Q ♠ Q ♥ against A ♣ K ♣ starts as a 53.786% favorite in the selected 52-card deal. Merely deleting ranks 2–5 takes queens to 48.062%. The low-straight rule removes another 1.164 points, and the flush/full-house swap removes 1.175, leaving queens at 45.723%. A ♠ K ♦ against J ♥ T ♥ also crosses 50%. Its 58.820% standard equity falls to 49.351% in the official profile, so the suited connector has 50.649%. Almost the entire change occurs at the deck-removal step: −9.113 points for ace-king, compared with effectively zero from adding A-6-7-8-9 and −0.356 from the category swap. This is stronger than saying “suited connectors improve.” It identifies which rule moved each exact deal. It also warns against using the conclusion as a class-wide shortcut: suits and ranks remain fixed here. Finding 2: A-9 and A-6 Gain Through Three Different Routes A ♠ 9 ♠ against K ♥ K ♦ rises 13.212 points overall, from 32.251% to 45.463%. The largest step is not the special straight: removing ranks 2–5 contributes +8.211 points. A-6-7-8-9 adds +3.760, and the flush ranking adds +1.241. A ♣ 6 ♣ against Q ♥ Q ♦ gains the same 3.760-point low-straight contribution and essentially the same 1.241-point ranking contribution. Its deck-removal contribution is smaller at +5.081, so the total gain is 10.081 points. Neither suited ace becomes a favorite in these rows. “Gains equity” and “is favored” are different claims. The values also do not establish an opening, calling, or shoving range. Finding 3: Similar-Looking Connectors Can Cancel Differently Against the same A ♥ K ♦ , 9 ♣ 8 ♣ gains 5.810 points overall. Every ordered step helps it: +2.498 from the compact deck, +2.908 from the low straight, and +0.403 from the ranking swap. For 7 ♣ 6 ♣ , the final change is only +0.635 points. Deck removal first costs 2.678 points; the low straight then returns 2.909, and the category swap adds 0.403. A slogan like “connectors gain in Short Deck” misses that cancellation. Finding 4: A Net Zero Can Hide Changed Boards The flush/full-house swap changes A ♠ A ♥ versus K ♣ K ♦ on 1,224 of the 201,376 Short Deck boards. Aces improve on 612 and worsen on 612, producing exactly 0.000 net equity points from that step. “No net change” therefore does not mean “no board changed.” The same distinction appears elsewhere. A rule can reverse individual outcomes but have a small aggregate effect because gains, losses, and tie transitions offset. The downloadable JSON keeps those integer transition counts instead of publishing only rounded percentages. How the Enumeration Works Once four hole cards are fixed, standard Hold’em leaves 48 cards, so there are C(48,5) = 1,712,304 unordered boards. Short Deck leaves 32 cards, so there are C(32,5) = 201,376 . The generator evaluates the highest-ranked five-card combination out of seven on every board, counts wins, ties, and losses, then calculates: equity = (wins + ties ÷ 2) ÷ all legal boards There is no random seed because there is no sampling. Each win/tie/loss partition sums to its complete board space. The twelve cases were selected to expose distinct mechanisms—pair compression, suitedness, domination, shared-suit blockers, connectors, and the low-straight endpoints. They are illustrative, not a representative sample of all C(36,2) × C(34,2) = 353,430 labeled two-player Short Deck deals. The first counterfactual has a second interpretation check: its 201,376 boards are exactly the subset of the 52-card standard boards containing only ranks 6–A. That is 11.7605% of the standard board space. The generator reaches the subset directly rather than filtering 1.7 million boards after the fact. Independent Checks and Evidence Bundle The primary JavaScript generator and independent Python verifier do not import one another. The verifier separately parses cards, ranks hands, and enumerates all boards. It reproduced all 48 published win/tie/loss partitions—four models for twelve matchups—exactly. We also checked the evaluator below the matchup level: - Both implementations test A-6-7-8-9 as 9-high, ordinary 6-7-8-9-T as higher, and reject false wraparound straights. - The Python checker classifies all 376,992 five-card Short Deck combinations under both straight conventions. With A-6-7-8-9 enabled, the mutually exclusive counts include 24 straight flushes, 6,120 non-flush straights, and 122,400 high-card hands; without it, those become 20, 5,100, and 123,420. - A separate five-card evaluator tests adversarial seven-card fixtures by checking all 21 possible five-card subsets. - Fixtures cover two trips forming the higher full house, three-pair resolution, board-playing ties, straight flush detection by suit, straight above trips, and a shared board where the control awards queens full while the official profile awards an ace-high flush. Passing these checks is evidence that two implementations agree with the declared rules and combinatorial invariants. It is not peer review, an app certification, or validation of an action strategy. - [Method, data dictionary, reproduction commands, and limitations](https://gtogecko.com/data/short-deck-equity/README.md) - [Complete results (JSON)](https://gtogecko.com/data/short-deck-equity/short-deck-equity-matchups.json) and [audit table (CSV)](https://gtogecko.com/data/short-deck-equity/short-deck-equity-matchups.csv) - [Primary JavaScript generator](https://gtogecko.com/data/short-deck-equity/short-deck-equity-generator.mjs) and [independent Python verifier](https://gtogecko.com/data/short-deck-equity/short-deck-equity-verifier.py) - [Frozen full-verification report](https://gtogecko.com/data/short-deck-equity/verification-report.json) and [SHA-256 manifest](https://gtogecko.com/data/short-deck-equity/MANIFEST.sha256) What These Numbers Do Not Tell You - Not a hand ranking: twelve selected rows cannot rank every Short Deck starting hand. - Not a range: each row conditions on four known cards; it does not average over an opponent range or over every suit realization. - Not a decision: there are no positions, antes, blinds, stack depths, bet sizes, action history, fold equity, rake, or future betting. - Not EV: showdown equity is one input to a decision model. It is not the expected value of raising, calling, or folding. - Not every Short Deck game: a trips-over-straight room requires a different evaluator and new results. For postflop draw-completion math rather than preflop head-to-head equity, use our separate [Short Deck Rule of 3 and 6 study](https://gtogecko.com/blog/short-deck-rule-of-3-and-6). For the conceptual difference between hand equity, pot equity, and EV, see [poker equity explained](https://gtogecko.com/blog/poker-equity-explained). How to Transfer the Result Into Study - Lock the rule profile. Confirm the deck, A-6-7-8-9 convention, and whether flush or full house ranks higher. - Use exact matchups as calibration, not charts. Ask which familiar favorite flipped and which rule caused most of the move. - Move to ranges. Replace one opponent hand with a position- and action-specific range before drawing a strategic conclusion. - Add the decision tree. Include forced bets, stacks, sizes, fold equity, future actions, and any fees before calling a play profitable. The current [Google Play](https://play.google.com/store/apps/details?id=com.shortdeck.shortdeck_app&hl=en&gl=US) and [US App Store](https://apps.apple.com/us/app/short-deck-poker-trainer/id6760950166) listings for Short Deck Poker Trainer, checked September 4, 2026, describe Short Deck study, preflop ranges, and equity tools. Use those tools for their stated study workflow; this article did not install the app, test its runtime, or use it to produce the table. Frequently Asked Questions Do pocket aces still begin ahead in Short Deck? This study cannot answer a whole-game ranking question because it examines selected fixed opponents and suits. It shows that A♠ A♥ remains favored in two named matchups, while its margin shrinks substantially. Why does Q♠ Q♥ become an underdog to A♣ K♣? In this exact suit realization, deck removal costs queens 5.724 points, A-6-7-8-9 costs 1.164, and the flush/full-house swap costs 1.175. The result is 45.723% for queens. It is not a suit-averaged QQ-versus-AKs claim. Does a straight beat three of a kind in Short Deck? Yes in the PokerStars profile used here, because its page changes flush versus full house and says the other rankings remain the same. Other rooms can use trips above a straight, so check the house rule. Why are the suits written out? Because suit overlap changes flush blockers and shared-runout possibilities. “AKs versus QJs” has distinct same-suit and different-suit cases; hiding the suits would overstate the result’s scope. Can I use 46.193% for every 98s-versus-AKo decision? No. That number belongs to 9♣ 8♣ versus A♥ K♦ under the stated rules and an all-in showdown. Other suit patterns, ranges, and betting states require their own calculation. The Practical Takeaway Short Deck compresses some familiar advantages, strengthens some low-straight endpoints, and lets different rule effects cancel. The useful habit is not memorizing twelve decimals. It is separating the format into explicit changes, checking one matchup under one rules profile, and refusing to turn showdown equity into action advice before ranges and the betting tree are present. Sources - [PokerStars: 6+ Hold’em rules](https://www.pokerstars.com/poker/games/six-plus/) — current operator rules page, accessed September 4, 2026. - [PokerStars Learn: preflop strategy in 6+ Hold’em](https://www.pokerstars.com/poker/learn/strategies/pre-flop-strategy-in-6-holdem/) — operator educational context, accessed September 4, 2026. - [Short Deck Poker Trainer on Google Play](https://play.google.com/store/apps/details?id=com.shortdeck.shortdeck_app&hl=en&gl=US) and [the US App Store](https://apps.apple.com/us/app/short-deck-poker-trainer/id6760950166) — first-party product listings, accessed September 4, 2026. - [GTO Gecko method, code, complete results, validation record, and limitations](https://gtogecko.com/data/short-deck-equity/README.md) — generated and checked September 4, 2026. ### Big-Blind Ante vs M: What Counts Against Your Stack? https://gtogecko.com/blog/big-blind-ante-stack-m-ratio At 500/1,000 with a 1,000 big-blind ante, a 20,000-chip stack is still 20 big blinds. It also has an M ratio of 8, because one unchanged orbit costs 500 + 1,000 + 1,000 = 2,500 chips. If you are the big blind next, you will have 18,000 chips—18 BB—physically behind after posting both forced bets. BB depth, M, and chips behind answer different questions: blind size, scheduled orbit cost, and what remains after this hand’s posts. One starting stack can therefore be 20 BB, M 8, and 18 BB behind without contradiction. The Standard 1 BB BBA in Four Lines - stack in BB = stack / big blind - orbit cost = small blind + big blind + BBA - With a 0.5 BB small blind and 1 BB BBA, orbit cost = 2.5 BB . - Therefore M = stack in BB / 2.5 : 20 BB becomes M 8, not an 8 BB stack. Scope and disclosure: this is a direct-formula forced-bet calculator, not a push-fold chart or an action recommendation. GTO Solutions AS publishes this site and ICM Trainer, which appears later as an optional study path. The formulas, tables, code, and chart are editorial artifacts; they do not use app telemetry or player results. Three Numbers, Three Different Jobs The BBA is deducted when posted, but it does not enter the pre-posting BB conversion. If stack is S and the big blind is B : stack in BB = S / B A 20,000 stack at a 1,000 big blind is 20 BB before posts. The ante changes the scheduled orbit cost and starting dead money, not that label. “Hero has 20 BB before posting” means 20,000 total chips here. Posting the 1,000 live blind and 1,000 ante leaves 18,000 behind; because the blind is live, 19,000 remains available for live betting. “20 BB behind” may instead exclude posts already on the table. Check the convention before reproducing a solve. How to Calculate M With a Big-Blind Ante M compares a tournament stack with the compulsory chips one seat is scheduled to pay over a complete rotation. The term was popularized in Dan Harrington and Bill Robertie’s [Harrington on Hold’em: Volume II](https://books.google.com/books/about/Harrington_on_Hold_em.html?id=u8y_9XdJaEMC). This page defines the numerator as the player’s total stack before the current hand’s forced bets. That convention is important: Kevin Desmond’s [MIT OpenCourseWare lecture](https://ocw.mit.edu/courses/15-s50-poker-theory-and-analytics-january-iap-2015/resources/introduction-to-poker-theory/), for example, teaches the same blinds-plus-antes denominator but uses effective stack as its numerator. Preserve the stated numerator when comparing an M value from another source. Let s be the small blind measured in BB, and let a be the big-blind ante measured in BB. A seat pays the small blind once, the big blind once, and the single BBA once in a complete stable orbit: BBA orbit cost in BB = s + 1 + a M = stack in BB / (s + 1 + a) For the common s = 0.5 and a = 1 structure, the denominator is 2.5 BB. The shortcut is exact under those inputs: M = stack in BB / 2.5 = stack in BB × 0.4 A current schedule where the shortcut changes The official [2026 World Series of Poker page](https://www.wsop.com/tournaments/2026-57th-annual-world-series-of-poker/) links the current bracelet-event structures. Its published [all-events structure document](https://assets.wsopcdn.com/wsop/449960d6-f34d-406d-8424-ff84f5ae51c3.pdf) includes levels such as 100/200 with a 200 BBA, where the 2.5 BB divisor works, and 1,000/1,500 with a 1,500 BBA, where it does not. In the latter level, the small blind is two-thirds of a big blind, so the denominator is 2/3 + 1 + 1 ≈ 2.667 BB . A 20 BB stack has M 7.5 using the unrounded 8/3 divisor. A structure can instead use a partial BBA, no early ante, or different short-handed procedures. Read all three forced-bet columns rather than assuming 2.5. 0.5 BB small blind, 1 BB big-blind ante; stack measured before forced bets Stack Full-orbit cost M Behind if posting BB + BBA next 5 BB 2.5 BB 2 3 BB 7.5 BB 2.5 BB 3 5.5 BB 10 BB 2.5 BB 4 8 BB 12.5 BB 2.5 BB 5 10.5 BB 15 BB 2.5 BB 6 13 BB 20 BB 2.5 BB 8 18 BB 25 BB 2.5 BB 10 23 BB 30 BB 2.5 BB 12 28 BB 40 BB 2.5 BB 16 38 BB 50 BB 2.5 BB 20 48 BB The last column answers only how much remains behind after the next big blind and BBA. It assumes the quoted stack includes and can cover both posts. A larger BBA lowers M without changing the stack’s BB count. Each line assumes a 0.5 BB small blind and unchanged forced bets for a complete orbit. Six-decimal values are in the downloadable CSV. How Ante Format and Table Size Interact Fixed big-blind ante After a stable eight-handed rotation, every seat has paid one BBA, one big blind, and one small blind. The same obligations arrive over six hands at a six-handed table. That is why s + 1 + a has no player count: table size changes when the obligations arrive, not their scheduled cost per stable orbit. Poker TDA’s public [2024 Recommended Procedure 11](https://www.pokertda.com/view-poker-tda-rules/) recommends a single-payer BBA, big-blind-first calculation, and no short-handed ante reduction. It is guidance, not every cardroom’s rule. Per-player ante With a traditional ante, each of N players posts p BB per hand, so each seat pays N × p across a complete orbit: per-player-ante orbit cost in BB = s + 1 + N × p M = stack in BB / (s + 1 + N × p) An eight-handed 0.125 BB ante contributes 1 BB in total each hand, matching the scheduled orbit cost of a 1 BB BBA. At six-handed, the same per-player ante totals only 0.75 BB, so the denominator falls to 2.25 BB. A 20 BB stack with 0.5/1 blinds: fixed 1 BB BBA versus 0.125 BB per-player ante Players BBA orbit cost BBA M Per-player orbit cost Per-player M 2 2.5 BB 8.00 1.75 BB 11.43 6 2.5 BB 8.00 2.25 BB 8.89 8 2.5 BB 8.00 2.50 BB 8.00 9 2.5 BB 8.00 2.625 BB 7.62 10 2.5 BB 8.00 2.75 BB 7.27 So 1 BB BBA equals 0.125 BB per player only at eight-handed; its six-handed equal-share equivalent is 1/6 BB. What If the Big Blind Cannot Cover the Ante? Suppose the blinds are 500/1,000 with a 1,000 BBA and the next big blind has only 1,500 chips. There is not enough to post both obligations in full. Under Poker TDA’s recommended big-blind-first calculation, 1,000 goes to the live big blind and the remaining 500 goes to the ante. The scheduled M is still 1,500 / 2,500 = 0.6 , although the stack cannot fund a normal orbit. The calculator shows the TDA-recommended split only in BBA mode. Operators can use other priority, reduction, or all-in procedures, so the published structure and tournament director control the hand. M Is a Measurement, Not a Strategy Model - Stack in BB normalizes a player’s chips to the current big blind. - Chips behind excludes chips already posted on this hand. - Effective stack is bounded by the stacks that can contest each other in the hand; in multiway pots, the relevant amount can differ by opponent. - M normalizes one stack to scheduled forced cost over a complete orbit. - ICM maps a tournament’s full stack distribution and payouts to modeled prize equity. M does not know cards, position, ranges, payouts, blind timing, or other stacks. A solver may label a spot by pre-posting BB depth, chips behind, or starting pot; use its convention instead of substituting M. This page therefore attaches no shove range to an M row. For decisions, start with the relevant [short-stack framework](https://gtogecko.com/blog/short-stack-strategy) and exact game tree. On bubbles and final tables, our [ICM guide](https://gtogecko.com/blog/icm-poker-strategy) covers payout pressure. Where ICM Trainer fits ICM Trainer is a mobile study app from this site’s publisher. Its current [Apple](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367) and [Google Play](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en_US) listings describe versioned precomputed ICM scenarios, preflop tree browsing, payout/stack context, and pairwise bubble factors. Use this calculator for BB/M bookkeeping; use an ICM model when payouts and other stacks matter. Five Counting Errors—and a Better Hand Record - Subtracting the BBA before reporting BB depth. A 20,000 pre-posting stack at a 1,000 big blind is 20 BB. Say “19 BB after the ante” only if the timing is explicit. - Calling M a stack in BB. M 8 under a 1 BB BBA does not mean the player has 8 BB; the standard example has 20 BB. - Multiplying a fixed BBA by table size. The table pays one BBA per hand, not one per player. Multiplying by eight would count the same orbit eight times. - Ignoring table size for per-player antes. Here the table really does post N × ante each hand. - Treating M as a clock. Your seat, a level increase, a table break, a [hand-for-hand batch](https://gtogecko.com/blog/hand-for-hand-poker-rules), or a changed ante can make the literal number of hands very different. A compact study note avoids all five errors by preserving raw values before normalizing them: Example record 8-handed · 500/1,000 · BBA 1,000 · stack 20,000 before posts · Hero BB next - Stack depth: 20 BB before posts. - Orbit cost: 2.5 BB under unchanged blinds and BBA. - M: 8. - Next hand: 18 BB behind after posting; 1 BB is live and 1 BB is ante. For a hand review, also record the other stacks, payouts, positions, blind time remaining, and whether the quoted stack includes the current posts. Retaining those facts is more useful than keeping one ratio and discarding the structure. Download and Verify the Reference Data The public bundle contains 40 conversions across four BBA sizes and 18 ante-format rows for two through ten players. Its standalone Node.js verifier recomputes every orbit cost and M, checks JSON/CSV parity, and checks fixed-BBA table-size invariance. - [Formula, assumptions, and all reference rows (JSON)](https://gtogecko.com/data/bba-m-reference.json) - [40 big-blind-ante conversions (CSV)](https://gtogecko.com/data/bba-m-conversion.csv) - [18 BBA-versus-per-player-ante rows (CSV)](https://gtogecko.com/data/ante-format-comparison.csv) - [Independent reference verifier (Node.js)](https://gtogecko.com/data/bba-m-verifier.mjs) Download the four files into one folder and run node bba-m-verifier.mjs . The verifier checks publication data, not a cardroom’s procedures. You still need the actual structure sheet and house rule as inputs. Limits of the Model - Blinds, antes, and table size are held fixed for a modeled complete orbit. - A table break, dead button, missed blind, level change, or heads-up transition can interrupt the rotation. - Some operators reduce or reprioritize the BBA; the TDA procedure is a recommendation, not a universal law. - M measures compulsory chip cost, not time, number of playable hands, tournament equity, or decision EV. - The static reference table assumes a 0.5 BB small blind and 1 BB BBA. Use the calculator for another structure. - The calculator covers blind games with either a single-payer BBA or an equal per-player ante. Button antes, bring-ins, and other forced-bet systems are not modeled here; derive their orbit cost from the actual posting rules. Big-Blind Ante and M FAQ Do I multiply the big-blind ante by the number of players? No. One player posts one BBA each hand. Across a stable complete orbit, each seat pays it once. Multiply by player count only for a per-player ante that every seat posts on every hand. Does M tell me how many hands I have left? No. M is a continuous stack-to-orbit-cost ratio. Position, table size, blind timing, stack changes, and posting rules determine the literal number of hands. Should I use BB depth or M for a solver? Use the exact convention and the stack, blind, ante, position, and payout inputs that the specific solution declares. M is a summary, not a substitute for its game definition. Sources - Poker Tournament Directors Association, [2024 Poker TDA Rules and Recommended Procedures](https://www.pokertda.com/view-poker-tda-rules/), especially RP-11 on BBA format, big-blind-first calculation, and no ante reduction. Accessed September 3, 2026. - World Series of Poker, [2026 WSOP event page](https://www.wsop.com/tournaments/2026-57th-annual-world-series-of-poker/) and [bracelet-event structure document](https://assets.wsopcdn.com/wsop/449960d6-f34d-406d-8424-ff84f5ae51c3.pdf). Accessed September 3, 2026. - Kevin Desmond, [“Introduction to Poker Theory”](https://ocw.mit.edu/courses/15-s50-poker-theory-and-analytics-january-iap-2015/resources/introduction-to-poker-theory/), MIT OpenCourseWare 15.S50 lecture, 2015. Accessed September 3, 2026. - Dan Harrington and Bill Robertie, [Harrington on Hold’em: Volume II — The Endgame](https://books.google.com/books/about/Harrington_on_Hold_em.html?id=u8y_9XdJaEMC), Two Plus Two Publishing. Bibliographic record accessed September 3, 2026. - Apple App Store, [ICM Trainer](https://apps.apple.com/us/app/icm-trainer-push-fold-poker/id6761499367); Google Play, [ICM Trainer](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en_US). Accessed September 3, 2026. - GTO Gecko, [BBA and M reference model](https://gtogecko.com/data/bba-m-reference.json), [conversion grid](https://gtogecko.com/data/bba-m-conversion.csv), [ante-format comparison](https://gtogecko.com/data/ante-format-comparison.csv), and [independent verifier](https://gtogecko.com/data/bba-m-verifier.mjs). Generated and accessed September 3, 2026. ### Before You Share a Poker Hand History: Minimize PHH https://gtogecko.com/blog/poker-hand-history-privacy-phh A portable poker hand history is not automatically a private one. Before sharing PHH, keep only the fields needed for the intended review, replace or remove player names, delete optional context and free-text commentary, and inspect what remains. Exact cards, stacks, and actions can still identify a hand when somebody can match them to another record. A minimized file is not anonymous . This guide’s workbench checks one TOML-derived Poker Hand History file against a conservative profile pinned to [PHH v0.0.2](https://github.com/uoftcprg/phh-std/tree/v0.0.2). It then builds a new, smaller document locally in your browser. It is an editorial tool—not the official PHH validator, a legal privacy assessment, a general converter, or a new GTO Gecko import format. The published example is synthetic. Disclosure: GTO Solutions AS publishes this site and GTO Gecko. The PHH format, PokerKit, Open Hand History, and NIST guidance cited here are external source materials. GTO Gecko does not currently support PHH import or export. Why a PHH File Needs a Sharing Check The [PHH specification](https://phh.readthedocs.io/en/stable/spec.html) defines a human-readable, machine-parsable way to record poker. Its required state fields describe the variant, relevant forced bets and limits, starting stacks, and an ordered action list. The current v0.0.2 profile covers 11 variants, including no-limit hold’em, pot-limit Omaha, stud, razz, and draw games. The same specification permits rich optional context: player and author names, event URL, venue and address, city, time zone, hand and table numbers, physical seats, winnings, currency, and time banks. An action string can include commentary; a PHH file can also contain underscore-prefixed custom fields. Those details can be useful in a private archive. Most are unnecessary when the recipient only needs to study a decision. Removing commentary is a privacy choice with an information cost. Notes may be the only place a recorder captured an exposed card, interruption, live read, or metagame condition. The minimized copy preserves normalized PHH action tokens, not commentary-only decision context. For the study process after choosing a hand, the [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker) explains how to write reasoning before checking the result and turn a finding into a drill. The working rule is simple: share the smallest record that serves the stated purpose . Parse before transforming; do not use a line-based comment stripper, because a hash inside a TOML string is data. Keep strategically meaningful values exact. If that exact pattern is itself sensitive, do not publish the hand—or replace it with a clearly labeled synthetic example. PHH is not the only interoperability project. [Open Hand History](https://hh-specs.handhistory.org/) is a separate JSON specification, published as [version 1.4.7 on March 4, 2024](https://hh-specs.handhistory.org/change-log/change-log), whose [guiding principles](https://hh-specs.handhistory.org/guiding-principles) call for replayability without loss from the user’s perspective. This version of the workbench accepts neither OHH nor native poker-room text and performs no conversion between them. The Public-Share-Minimum Field Policy Default handling under the pinned PHH v0.0.2 profile Group Default Reason Variant-specific strategic core Keep exact values The applicable forced-bet or limit fields, starting stacks, and ordered action tokens define the hand state. players Replace with Player 1…N , or remove Actions already address indexed players such as p1 ; a real name is not required. Event, location, date, seat, table, hand, time-control fields Remove Optional context can disclose the session or make external lookup easier. Finishing stacks, winnings, currency Remove unless reconciliation is the purpose Outcome data is unnecessary for most decision reviews and adds a linkage route. ante_trimming_status Keep only when true false is the specified default; true can change short-stack ante settlement. Underscore-prefixed custom fields and commentary Remove Open-ended text can hide private details; removal can also discard context not encoded elsewhere. Unknown non-underscore field Block output It may have strategic meaning in a future profile; the tool will not silently discard it. The transformation removes direct context while retaining the indexed strategic state. The exact pattern can still be linked to a stream, forum post, room record, or another player’s database. The complete [field matrix (CSV)](https://gtogecko.com/data/phh-privacy-field-matrix.csv) lists every v0.0.2 field and its default disposition. The machine-readable [policy (JSON)](https://gtogecko.com/data/phh-privacy-policy.json) records the same rules, guarantees, and non-guarantees. What the Local Checker Actually Tests Your pasted text is processed in memory inside a sandboxed frame that has no same-origin permission and whose content policy blocks network connections. Parent-page analytics cannot inspect the editor’s opaque-origin document. The workbench does not place the hand in a URL, browser storage, analytics event, or upload request. Loading this page, using browser extensions, copying into a clipboard manager, downloading a file, and sharing through another service are separate data flows. “Browser-local transform” is deliberately not a blanket security promise. - Browser parser boundary. The pinned [smol-toml 1.8.0](https://github.com/squirrelchat/smol-toml/tree/v1.8.0) dependency advertises support for [TOML 1.1.0](https://toml.io/en/v1.1.0) but documents exceptions such as accepting certain invalid dates, so this is not a strict TOML conformance check. The workbench rejects syntax errors reported by that parser, requires the PHH time field to be a valid local-time value, rejects unsafe integers, and rejects decimal literals that would change value when serialized through the browser number type. Safe integral floats and integers both become JavaScript numbers, so the profile treats 8.0 like 8 in integer-valued optional fields. - Pinned PHH structure. It recognizes the 11 v0.0.2 variants, requires the applicable state fields, checks player-aligned array lengths and numeric types, rejects incompatible betting-structure fields, and fails closed on unknown standard-looking fields. - Action-token shape. It checks indexed actors, canonical positive raise amounts, card-token syntax, short-deck rank exclusions, and the documented action forms. It removes only a standalone action-commentary delimiter, then canonicalizes whitespace. - Before/after invariant. It compares the normalized PHH state fields and action tokens, serializes and reparses the output, runs the structural profile again, and requires a byte-stable second transformation. Commentary is deliberately outside the invariant. That is a structural gate, not a poker engine. It does not check duplicate cards, full deal order, turn order, stack sufficiency, legal raise bounds, pot settlement, hand ranks, or future PHH versions. A clean workbench result means “accepted by this published profile,” not “officially valid poker hand.” Input is limited to one document and 100,000 characters. A Synthetic Before-and-After Test The public fixture is a three-player no-limit hold’em hand with 18 actions. The rich input deliberately includes three synthetic names, an event and URL, venue and address, local time, hand and table identifiers, seats, result fields, currency, two custom fields, and private-looking commentary. Under the default profile, the transform removes 29 top-level fields , including two custom fields; strips commentary from four action entries; replaces the three names with Player 1 through Player 3 ; and omits the default ante_trimming_status = false . It retains the no-limit variant, antes, blinds, minimum bet, starting stacks, and ordered action core. The JavaScript comparison reports that normalized strategic payload as unchanged. Published fixture results, reproduced September 3, 2026 Check Result Boundary JavaScript unit and adversarial suite 16 tests passed All 11 variant skeletons plus parser, actions, policy, precision, and invariant behavior Separate standard-library Python verifier Payload, sentinels, removal report, and SHA-256 hashes matched No poker replay PokerKit 0.7.5 replay 18 actions; 19 matching state snapshots; final stacks 86, 98, 116 Published synthetic fixture only [Official PHH tooling documentation](https://phh.readthedocs.io/en/stable/tooling.html) lists PokerKit, the Python library used for the separate replay check. The browser workbench does not send visitor input to PokerKit. PHH and PokerKit also share project provenance, so this is a separate implementation path—not independent institutional evidence. PokerKit 0.7.5 emitted one warning for the rich source: it treated time_zone_abbreviation as unexpected even though the field appears in the tagged v0.0.2 specification. The minimized copy removes that field. Reporting the warning separately is more accurate than collapsing syntax, structural acceptance, and replay into one “validated” badge. Download and Reproduce the Evidence - [Synthetic rich PHH input](https://gtogecko.com/data/phh-privacy-example-original.phh) and [default minimized output](https://gtogecko.com/data/phh-privacy-example-minimized.phh) - [Field-removal report and SHA-256 hashes (JSON)](https://gtogecko.com/data/phh-privacy-transform-report.json) - [Standard-library Python verifier](https://gtogecko.com/data/phh-privacy-verifier.py) - [Pinned PokerKit replay verifier](https://gtogecko.com/data/phh-privacy-pokerkit-verifier.py) and [exact dependency file](https://gtogecko.com/data/phh-privacy-requirements.txt) - [Commands, environment, files, and primary-source ledger](https://gtogecko.com/data/phh-privacy-README.md) Run the standard-library verifier first; it checks field allowlisting, synthetic privacy sentinels, the strategic payload, and file hashes without importing the browser implementation. The optional replay path installs exactly pokerkit==0.7.5 and compares public game-state snapshots. These checks support the claims about this fixture; they do not establish anonymity or universal conformance. The Risk That Remains After Names Disappear [NIST SP 800-188](https://doi.org/10.6028/NIST.SP.800-188) concerns government datasets, not poker files and not a legal safe harbor. Its useful general lesson is that removing direct identifiers does not eliminate re-identification risk: disclosure also depends on quasi-identifiers, high-dimensional patterns, other available records, and the release context. For a poker hand, the remaining fingerprint can be unusually specific. A stream, forum post, room export, group chat, or opponent database may contain the same board, stack distribution, and betting sequence. Player 2 remains linked to that indexed player’s actions inside the file. The attachment name, screenshot, or surrounding message may reveal the date and game that the document no longer states. - Could the exact cards, amounts, and action sequence be matched to another source? - Does the filename or surrounding message restore the context you removed? - Does the recipient really need exact accounting data or shown cards? - Do consent, room rules, platform terms, or research policy permit the disclosure? Pseudonymization is useful field hygiene. It is not unlinkability, consent, legal compliance, or an anonymity guarantee. Local processing reduces transport and service-retention exposure; it does not make a file safe to publish. Where GTO Gecko Fits—and Where It Does Not GTO Gecko is a separate off-table study workflow. As checked on September 3, 2026, its web importer accepts supported plain-text no-limit hold’em histories from GGPoker, PokerStars, and CoinPoker; WPT Global is routed through a third-party converter to PokerStars text. Supported hands can be stepped through on a replayer timeline and, where a situation can be matched, reviewed against available solver data. GTO Gecko does not currently import or export PHH .phh or .phhs files. If a hand you are entitled to use is already in a [supported GTO Gecko import format](https://play.gtogecko.com/replayer/import), review it there. Use this workbench for a different job: checking and minimizing a portable PHH document before a justified share. The workflows are adjacent, not integrated. PHH Privacy FAQ Is a minimized PHH file anonymous? No. Names and context can disappear while cards, stacks, amounts, and actions remain linkable to another record. Does a clean workbench result prove full PHH compliance? No. It passed this pinned structural profile. Full replay and poker-rule validity are separate checks, and the profile does not predict future PHH versions. Should I always remove finishing stacks and winnings? Remove them by default for decision study. Keep them only for a stated accounting or reconciliation need, and accept the added linkage risk. Can GTO Gecko open the minimized file? Not at present. GTO Gecko’s supported text importer and PHH are separate formats. Sources and Methodology Sources and current product behavior were checked on September 3, 2026 . - University of Toronto Computer Poker Research Group, [PHH repository at tag v0.0.2](https://github.com/uoftcprg/phh-std/tree/v0.0.2), plus the [stable specification](https://phh.readthedocs.io/en/stable/spec.html) and [optional-field reference](https://phh.readthedocs.io/en/stable/optional.html). Used for the field matrix, types, action notation, and default ante-trimming behavior. - Juho Kim, [“Recording and Describing Poker Hands”](https://arxiv.org/abs/2312.11753), revised August 29, 2024. The paper reports a 10,088-hand evaluation corpus covering 11 variants. - PHH project, [tooling guide](https://phh.readthedocs.io/en/stable/tooling.html); University of Toronto CPRG, [PokerKit repository](https://github.com/uoftcprg/pokerkit); and [PokerKit paper](https://doi.org/10.1109/TG.2023.3325637). Used for the pinned fixture replay path. - National Institute of Standards and Technology, [SP 800-188: De-Identifying Government Datasets](https://doi.org/10.6028/NIST.SP.800-188). Used only to frame linkage and release-context risk. - [Open Hand History specification](https://hh-specs.handhistory.org/), [version history](https://hh-specs.handhistory.org/change-log/change-log), and [guiding principles](https://hh-specs.handhistory.org/guiding-principles). Used to avoid presenting PHH as the only hand-history standard and to report OHH’s stated replayability goal with its public version date. - [TOML 1.1.0 specification](https://toml.io/en/v1.1.0) and [smol-toml 1.8.0 source and README](https://github.com/squirrelchat/smol-toml/tree/v1.8.0). Used to pin and disclose the browser parser’s advertised dialect and documented date-validation limitation. - GTO Gecko, [live hand-history importer](https://play.gtogecko.com/replayer/import). Used to verify the product boundary and supported input wording. - GTO Gecko, [PHH privacy evidence README](https://gtogecko.com/data/phh-privacy-README.md), [machine-readable policy](https://gtogecko.com/data/phh-privacy-policy.json), and [fixture report](https://gtogecko.com/data/phh-privacy-transform-report.json). Generated and accessed September 3, 2026. ### Does Running It Twice Change Poker EV? https://gtogecko.com/blog/running-it-twice-poker-ev Running it twice does not change either player's expected share of the pot under the model studied here. The remaining cards come from one fair shuffled stub (the undealt deck), each board carries half of the same post-fee pot, and no new fee is added. It can change the payout distribution. In all three exact fixtures below, scoops and total losses become less common while split-board outcomes become much more common. It is tempting to say that two boards must halve variance. They need not. The runouts use different cards from the same stub, so the card deals are dependent and the covariance between payoffs need not be zero. In our exact study of three heads-up Texas Hold'em all-ins, that covariance was negative and running it twice retained 48.13% to 48.84% of one-board variance. The corresponding standard deviation—the easier measure to compare with pot-size swings—retained 69.38% to 69.88% . Those figures come from an exhaustive evaluation of 1,789,832 outcome-equivalent labeled pairs of final boards across three separate constructed fixture spaces, not a simulation. The scenarios, complete results, Python generator and independent JavaScript verifier are downloadable below. Disclosure: GTO Solutions AS publishes GTO Gecko and Felted. Felted's current store listings include run it twice at cash tables. The three card fixtures, analysis, chart and code in this article were created for this study; they are not app telemetry and do not recommend a wager. The Answer in Four Lines - Equity: unchanged under the stated fair, equal-board model. - Payout shape in these fixtures: more half-pot results; fewer scoops and zero returns. - Variance in these fixtures: close to, but not exactly, half. - Decision: once betting is over, running twice changes short-run volatility—not the quality of the all-in that already happened. What Does Running It Twice Mean? After all remaining players are all-in and no betting is left, the undealt community cards are dealt on two boards. Half of the pot is settled using board one and half using board two. Streets that were already exposed stay shared. An all-in on the turn therefore receives two different rivers; an all-in on the flop receives two different turn-and-river runouts. That is one common implementation, not a universal rule. [PokerStars' current feature rules](https://www.pokerstars.com/poker/room/features/software-news/) limit it to cash-game pots with no betting left and settle the two halves separately. Its [Run It Twice help page](https://www.pokerstars.com/help/articles/run-it-twice-new/15582/) says all active players must enable the option and that PokerStars adds no extra rake for it. A cardroom, home game or different app may use different consent, side-pot, fee or odd-chip rules. “Does it change the odds?” is too vague. Each single board has the same marginal showdown equity as an ordinary runout. Your chance of receiving all the pot changes because now you must win both halves. Your chance of receiving none also changes. Equity is the probability-weighted pot share across all of those outcomes; it can stay fixed while the shape of the outcomes moves substantially. If equity itself is unfamiliar, start with our [poker equity guide](https://gtogecko.com/blog/poker-equity-explained). Why Expected Value Stays the Same In our heads-up model, let R1 be your share on the first board and R2 your share on the second. Each value is 0 for a loss, 1/2 for a tie or 1 for a win. With equal halves, your total share of the pot is: run-twice share = (R1 + R2) / 2 Both boards occupy equivalent visible positions in a uniformly shuffled stub, so they have the same marginal distribution. Linearity of expectation then gives: E[(R1 + R2) / 2] = (E[R1] + E[R2]) / 2 = E[R1] This exchangeability argument is the same framework used in Stewart N. Ethier's 2026 [published analysis of variance reduction in Hold'em](https://doi.org/10.1090/conm/844/16768); an [open full-text version](https://arxiv.org/html/2409.03607v2) is available. Independence is not required for the mean. It matters for the variance. Here, equity is expected gross pot share . Once the hand is locked for settlement, the chips already committed and the post-fee pot are fixed. Equal expected pot receipts therefore imply equal post-all-in chip EV. This does not retroactively make the original call profitable, and it does not cover a room that changes fees when extra boards are selected. The result is conditional on the exact state at the all-in. It does not say that every hand has the same equity, or that agreeing before a session is identical to choosing after seeing exposed cards. It says that, for a fixed locked board and fixed known hands, replacing one fair runout with two equally weighted fair runouts does not create or destroy expected pot share. Why Two Boards Do Not Simply Halve Variance If the payoff variables were independent, averaging two equal-variance results would halve the variance. Same-stub card deals are dependent because any card used on board one is unavailable to board two. Their payoff covariance can therefore differ from zero. The exact decomposition is: Var[(R1 + R2) / 2] = Var(R1) / 2 + Cov(R1, R2) / 2 The first term is the familiar one-half. The covariance term measures how the first board changes the second. In all three fixtures below it is negative, so the actual variance is slightly less than half. We do not turn those three results into a universal theorem: Ethier's paper also treats the general negative-covariance intuition as plausible rather than proved for every Hold'em state. Burn cards do not invalidate our visible-board count. Start with a uniformly shuffled stub and look only at the positions where community cards land. Whether unseen burn cards sit between those positions or are mathematically integrated out, the visible cards are still a uniform sample without replacement. Known exposed or dead cards are different: they must be removed from the input before calculating equity. Our Exact Three-Fixture Study We constructed three heads-up fixtures. One is a turn all-in with a clean 15-out draw. The second rewinds the same hands to the flop, where the draw has two cards to come. The third tests a strong made hand in a texture that can also produce ties. The study evaluates final seven-card hands and awards each board as a win, tie or loss. Constructed heads-up all-ins; Hero's result is measured Spot Hero Villain Locked board Cards to come per run Turn · 15-out draw A♥ K♥ Q♠ Q♣ 2♥ 7♥ 9♣ J♦ 1 Flop · overcards + nut-flush draw A♥ K♥ Q♠ Q♣ 2♥ 7♥ 9♣ 2 Flop · set vs overpair 7♠ 7♦ A♥ A♦ 7♣ 8♣ 9♥ 2 With four hole cards and a four-card board known, 44 cards are unseen. The two labeled rivers number 44 × 43 = 1,892 . On a flop, 45 cards are unseen. Turn-river order does not affect the final showdown rank, so one board has C(45,2) = 990 equally weighted two-card combinations. After those two cards are removed, board two has C(43,2) = 903 , giving 990 × 903 = 893,970 labeled disjoint board pairs per flop fixture. Each unordered two-card tail stands for the same two possible turn-river orders. A paired flop combination therefore represents four equally weighted street-ordered deals—two orders on each board—so no final-showdown outcome receives extra weight. Across one turn fixture and two flop fixtures, the compressed outcome-equivalent total is 1,892 + 893,970 + 893,970 = 1,789,832 labeled final-board pairs. It is not a count of every street-ordered deal. There is no random seed, sampling error or confidence interval. Result: Same Equity, About 48% of the Variance Exact Hero results, measured as a share of the post-fee pot Spot One-board final tails Labeled final-board pairs Equity once Equity twice Variance retained Standard deviation retained Turn · 15-out draw 44 1,892 34.0909% 34.0909% 48.8372% 69.8836% Flop · combo draw 990 893,970 54.1414% 54.1414% 48.2189% 69.4398% Flop · set vs overpair 990 893,970 88.3838% 88.3838% 48.1316% 69.3769% Every same-stub result sits just below the 50% independent-board benchmark because covariance is negative in these three fixtures. The complete values are repeated in the table above. Variance is measured in squared pot-share units, which is why a roughly 52% variance reduction does not mean the visible swing becomes 52% smaller. Standard deviation uses the original pot-share scale. Here it falls by about 30%. The one-river fixture has a particularly clean result. Hero wins on 15 of 44 rivers, so equity is 15/44 . Drawing two distinct rivers without replacement gives the standard finite-population correction: the two-board variance is exactly 21/43 , or 48.8372%, of the one-board variance. What “Lower Variance” Looks Like in Pot Shares Consider the flop combo draw: A♥ K♥ against Q♠ Q♣ on 2♥ 7♥ 9♣. With one board, Hero wins 536 of 990 runouts, or 54.1414%, and otherwise receives zero. Running twice preserves that 54.1414% equity but moves most probability into the middle: Hero's exact share of the full pot across 893,970 paired boards Final pot share Meaning Paired runouts Probability 0% Lose both boards 180,096 20.1456% 50% Win one board, lose one 459,732 51.4259% 100% Win both boards 254,142 28.4285% Running twice does not turn 54% equity into a safer 70% or a weaker 40%. It turns a two-point distribution—everything or nothing—into a three-point distribution where half the pot is the most likely result. Hero's chance of receiving nothing falls from 45.8586% on one board to 20.1456% across two. The chance of a full scoop falls from 54.1414% to 28.4285%. Those two changes balance around the same mean. Ties create quarter-pot and three-quarter-pot results. In the set-versus-overpair fixture, Hero receives the full pot 73.5409% of the time, three quarters 8.3797%, half 16.6491%, one quarter 0.9343% and zero 0.4960%. That is why a correct calculator must score each board as win, tie or loss instead of counting only “outs.” A $1,000 Pot Example Scale the same combo-draw result to a $1,000 pot after any ordinary fee has already been removed. One board pays Hero either $0 or $1,000. The expected gross pot receipt is $541.41 and the standard deviation is $498.28. Two equal boards pay $0, $500 or $1,000. The expected gross pot receipt remains $541.41, while the standard deviation falls to $346.01. Using the unrounded values, running twice has narrowed the distribution by $152.28 in standard-deviation terms; it has not added $1 of post-all-in chip EV. This is a distribution example, not a bankroll prescription. A player's utility, financial constraints and reasons for preferring smoother or lumpier outcomes are separate from the mathematical mean. When the Model Needs Qualification - Feature-specific fees: if choosing extra boards changes rake or adds a charge, compare returns after that difference. PokerStars says it adds no extra rake, but that statement belongs to PokerStars. - Unequal board weights: fixed weights that sum to one still preserve the mean when both boards have the same marginal equity, but they change the variance formula. Outcome-dependent weighting would be a different EV model. - Side pots: different players may be eligible for different pots. Each contested pot needs its own board split and eligible-player set. Our [side-pot guide](https://gtogecko.com/blog/side-pot-equity-calculation) covers eligibility, but its worked calculator deliberately models one board. - Multiway all-ins: this study fixes two known hands. Extra hands change both showdown scoring and pot structure. - Known and inferred dead cards: exposed or reliably known unavailable cards must be removed. Unknown burns can be integrated out. Random unknown mucked cards can be integrated out only in a deck-only model that ignores action information; action-conditioned fold ranges require a different model. - Promotions and odd chips: room-specific jackpot, insurance, promotion and odd-chip rules can make the cash settlement differ from an exact half-and-half model. - Different dealing procedure: returning cards, reshuffling between boards or using separate decks creates a different covariance and variance structure. If each board remains fair with the same marginal equity, that change alone need not alter the mean. Read the actual rules before applying the headline. Pot odds still govern the earlier call or fold; running twice cannot repair a negative-EV call after the money is in. Our [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math) handles that earlier decision. Does Running It Twice Change Strategy? Settlement happens only after betting is complete. PokerStars players can configure their preference earlier, but once a qualifying hand is locked there is no later bluff, fold or value bet to optimize. Running twice then changes only how the fixed showdown equity is paid across the two boards, subject to the room's settlement rules. That does not make the choice meaningless. Some players prefer a tighter short-run distribution; others prefer a single decisive board. Home games may have social conventions, and live rooms may impose time or operational constraints. Those preferences can affect which option a player chooses without turning either option into higher poker EV. Try the Mechanic in Felted Felted is a play-money Texas Hold'em app from the same publisher as this site. Its current [App Store listing](https://apps.apple.com/us/app/felted-texas-holdem-poker/id6759221162) and [Google Play listing](https://play.google.com/store/apps/details?id=com.felted.felted&hl=en_US) include run it twice at cash tables; the App Store version history also describes it in table setup, replays and hand history. Enable the setting on an offline cash table to observe two play-money runouts, then inspect the replay or hand history. The examples above remain a separate mathematical study; they are not claims about observed app frequencies. Download the Exact Data and Code The public bundle lets you audit every displayed number without trusting this article. The scenario file is the only input. The Python program implements the primary evaluator and exhaustive enumeration. The JavaScript verifier contains a separate evaluator and recomputes every count and exact fraction. - [Three card fixtures (CSV)](https://gtogecko.com/data/run-it-twice-scenarios.csv) - [Detailed rounded result table (CSV)](https://gtogecko.com/data/run-it-twice-results.csv) - [Assumptions, exact fractions and payout counts (JSON)](https://gtogecko.com/data/run-it-twice-study.json) - [Primary exhaustive generator (Python)](https://gtogecko.com/data/run-it-twice-generator.py) - [Independent exhaustive verifier (JavaScript)](https://gtogecko.com/data/run-it-twice-verifier.mjs) Place the five files in one folder. With Python 3.10+ and Node.js 16.6+, run python run-it-twice-generator.py , then node run-it-twice-verifier.mjs . Both use only their language's standard library and write new results into a run-it-twice-output folder. The generator stores outcome counts and reduced fractions before formatting percentages, so rounded display values never feed back into the calculation. Limits of This Study - Three constructed spots: the exact results describe these fixtures, not the full space of Hold'em all-ins. - Heads-up settlement: every fixture has two known hands and one contested pot split into equal board fractions. - Fair same-stub model: visible board cards come successively without replacement from a uniformly shuffled deck. - No feature-specific fee: returns are shares of the same post-fee pot in both choices. - No known extra dead cards: only the hole cards and locked board in the CSV are conditioned on. - Showdown only: the study does not model range uncertainty, folds, future betting, risk preference or bankroll utility. - Variance is not experience: exact mathematical dispersion does not predict how any short session will feel or finish. For a fixed payout with a separate fee, see [how to audit an all-in cash-out quote](https://gtogecko.com/blog/poker-cash-out). That choice exchanges the showdown award for a quoted amount; its fee accounting is different from splitting a pot across runouts. Running It Twice FAQ Does running it twice change poker equity? No, not under a fair same-stub deal with equal pot fractions and unchanged fees. Each board has the same marginal equity, so their average has the same expected value. Does running it twice cut variance in half? Not necessarily. Half is the independent-payoff benchmark. Same-stub card deals are dependent, so payoff covariance can change the result. Our three exact examples retained 48.13% to 48.84% because their payoff covariance was negative. Are the two boards independent? No. A card dealt on the first board cannot appear on the second. That card-level dependence allows the payoff covariance—and therefore variance—to differ from the independent-board benchmark without changing the mean. Can one player win both boards? Yes. That player scoops that contested pot. A player can also win one board and lose the other, usually receiving half, or tie one board and create a quarter-pot or three-quarter-pot total. Does running it twice add rake? PokerStars currently says no additional rake applies to its Run It Twice hands. Do not generalize that rule: check the specific room, app or home-game agreement. Can you run it twice in tournaments? Rules vary. The PokerStars implementation cited here is for cash-game pots, and Felted's listings describe the option at cash tables. Confirm the format's rules rather than assuming availability. Sources - Stewart N. Ethier, [Variance reduction in Texas hold'em and in video poker](https://doi.org/10.1090/conm/844/16768), Contemporary Mathematics 844, American Mathematical Society, 2026; [open full text](https://arxiv.org/html/2409.03607v2). Accessed September 3, 2026. - PokerStars, [What is “Run It Twice”?](https://www.pokerstars.com/help/articles/run-it-twice-new/15582/) and [Poker Software Features](https://www.pokerstars.com/poker/room/features/software-news/). Accessed September 3, 2026. - Apple App Store, [Felted: Texas Holdem Poker](https://apps.apple.com/us/app/felted-texas-holdem-poker/id6759221162). Accessed September 3, 2026. - Google Play, [Felted: Texas Holdem Poker](https://play.google.com/store/apps/details?id=com.felted.felted&hl=en_US). Accessed September 3, 2026. - GTO Gecko, [Run It Twice exact study](https://gtogecko.com/data/run-it-twice-study.json), scenario fixture, code and independent verification described above. Generated and accessed September 3, 2026. ### When Does a Short All-In Reopen Betting? Track It Player by Player https://gtogecko.com/blog/short-all-in-reopen-betting Under Poker TDA 2024 Rules 43 and 47, a short all-in does not create one table-wide “reopened” state. Check the player whose turn it is. An active player with chips behind who has not yet acted retains the option to raise. For a player who has acted, subtract the wager level after that player’s last action from the current wager. Betting is reopened for that player when the increase is at least the current full bet-or-raise increment. Equality is enough. In the official 100 → 125 → 200 example, A last acted at 100 and later faces 200: 200 − 100 = 100 , a full 100-chip increment, so A may raise. C acted at 125 and later faces the same 200: 200 − 125 = 75 , so C may not raise. Same current wager; different action history; different answer. Scope and disclosure: this article and calculator implement the cited [Poker TDA 2024 v1.0](https://www.pokertda.com/view-poker-tda-rules/) no-limit/pot-limit examples for off-table review. They are editorial tools, not universal rules, live assistance, or a substitute for the event’s published rules and floor decision. GTO Solutions AS publishes this site and ICM Trainer; Poker TDA and WSOP are external rules sources. The Player-Specific Three-Number Test Write down three wager amounts for the player being evaluated: - Current wager ( W ): the highest live total wager on this betting round. - Player’s reference level ( L ): the wager level immediately after that player’s most recent voluntary action on this round. - Full increment ( R ): the full bet-or-raise increment in force. Before any full opening bet, seed R with the minimum opening bet for the street. A short all-in can move W without replacing R . If the player has already acted, calculate increase now faced = W − L . Under the TDA 2024 profile, that player may raise when W − L ≥ R . If a standard raise is otherwise legal, minimum full raise-to = W + R . These are separate outputs: action can be reopened even when the player’s remaining stack cannot reach that raise-to, and pot-limit also imposes a separate maximum—use the [pot-sized raise ceiling](https://gtogecko.com/blog/how-to-calculate-pot-sized-raise-plo) after checking raise rights. Reset the ledger for each new betting round. A check is a voluntary action at the current wager level; a forced blind post is not. Also keep fold status and chips remaining outside the three-number test, because a folded or all-in player has no later option even if the arithmetic crosses the threshold. Before calculating, name the actor. Actor → already acted? → W − L versus R → may raise? → W + R If the actor has not voluntarily acted, do not invent an L from a posted blind. The player still has an option when action first reaches them, subject to being active, having chips, and the normal betting rules. An Opening All-In Can Be Smaller Than the Full Bet R can legitimately be larger than W . Suppose the minimum opening bet is 100, A checks at a wager level of 0, and B is all-in for 50. When action returns, A has acted and faces only 50: 50 − 0 < 100 , so the incomplete opening wager does not reopen a raise for A under [TDA Rule 47](https://www.pokertda.com/view-poker-tda-rules/). An active C who has not acted still has a raising option. The minimum full raise-to is 150: the current 50 wager plus the 100 full increment. A [historical TDA forum administrator example](https://www.pokertda.com/forum/index.php?topic=1456.0) gives the same NL/PL construction—20 into a 100 minimum produces a 120 minimum raise-to—but is used here only as an implementation check. The 50/150 case is a constructed rule boundary, not a numbered TDA addendum example or a new governing rule. It is included because rejecting R > W would silently exclude a valid short-all-in state. TDA Examples 1, 1-A and 1-B: Why A and C Differ The [Rule 47 Illustration Addendum](https://www.pokertda.com/view-poker-tda-rules/) starts post-flop in 50/100 no-limit hold’em. A opens for 100; B is all-in for 125 total; C calls 125; D is all-in for 200 total; and E calls 200. Neither B’s 25-chip increase nor D’s 75-chip increase is a full 100-chip raise on its own. Together, however, they make A face 100 more than the level after A’s action. TDA Example 1 sequence: the full increment remains 100 Step Action Current wager Full increment What changed 1 A opens to 100 100 100 Full opening bet 2 B all-in to 125 125 100 Short increase of 25 3 C calls 125 125 100 C’s reference level becomes 125 4 D all-in to 200 200 100 Short increase of 75 5 E calls 200 200 100 Action returns toward A Reopening belongs to a player, not to the table. The HTML tables repeat every value shown in the diagram. Player-by-player checks after the 100 → 125 → 200 sequence Official example Player checked W − L Compare with R Result 1 A at 200 200 − 100 = 100 100 = 100 May fold, call, or raise; minimum raise-to 300 1-A: A calls 200 C at 200 200 − 125 = 75 75 < 100 May fold or call 75; may not raise 1-B: A raises to 300 C at 300 300 − 125 = 175 175 > 100 May fold, call, or re-raise; minimum raise-to 400 Example 1-B also shows why “the last amount I called” is not the test. C’s 125 chips already on the street help determine the call amount, but reopening depends on how far the table’s wager level has moved since C acted. For ordinary raise terminology, see [what a 3-bet means](https://gtogecko.com/blog/what-is-a-3-bet); the procedural question here is whether that aggressive option is still available. TDA Example 2: Short All-Ins Do Not Reset the Minimum Raise In [Example 2 of the same addendum](https://www.pokertda.com/view-poker-tda-rules/), post-flop at 50/100, A opens for 300. B moves all-in to 500, C to 650, D to 800, and E calls 800. The increases are 200, 150, and 150. None is a full 300-chip raise, so the full increment remains 300. F has not acted and may fold, call 800, or raise to at least 1,100 : 800 + 300 . This example separates two facts that are often collapsed. Cumulative movement can be enough to reopen action for an already-acted player, but short all-ins do not become the new full-raise increment. The minimum raise-to still comes from the last full valid bet or raise. TDA Examples 3-A and 3-B: A Posted Blind Is Not an Action In [Examples 3-A and 3-B](https://www.pokertda.com/view-poker-tda-rules/), at 2,000/4,000 preflop, A calls 4,000, B folds, and C is all-in for 7,500 total. After folds through the small blind, the big blind faces 3,500 more. The addendum says the big blind has not yet acted on the option: posting 4,000 did not consume the right to raise. The remaining official Rule 47 examples Example Player checked History Full increment Result 2 F at 800 F has not acted 300 May fold, call 800, or raise to at least 1,100 3-A Big blind at 7,500 Blind posted; no voluntary action 4,000 May fold, call 3,500, or raise to at least 11,500 3-A: BB calls A at 7,500 A acted at 4,000; now faces 3,500 4,000 May fold or call; may not raise 3-B: BB raises to 11,500 A at 11,500 A acted at 4,000; now faces 7,500 4,000 May fold, call, or re-raise; minimum raise-to 15,500 Example 3-A is the implementation trap: using “chips already committed” as a proxy for “has acted” wrongly locks the big blind. Track voluntary action separately from forced posts. Example 3-B then shows that A’s rights change when the big blind makes a full raise, even though A could not raise after a smooth call. The 50% Rule Does Not Reopen No-Limit Action TDA Rule 43 uses 50% to interpret certain incomplete non-all-in raises in no-limit or pot-limit. For silent chip actions, apply the oversized-chip, multiple-chip and prior-chip rules first: a single oversized chip can be a call even when its value exceeds a minimum raise. Our [one-chip and multiple-chip examples](https://gtogecko.com/blog/one-chip-rule-poker) explain that classification. When the 50% test applies, an increase at least halfway to the required full raise must be completed; below halfway it is a call unless “raise” was declared first. All-ins are treated separately. Reopening is Rule 47. In no-limit and pot-limit, a player who already acted must now face at least a full bet or raise. The half-bet reopening threshold belongs to fixed-limit poker under Rule 47-B. Therefore a short all-in equal to 50% of the full increment is not, by that fact alone, enough to let an already-acted player raise again in this NL/PL model. WSOP 2026 Uses Its Own Wording [WSOP 2026 Rules 95–96](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf) also use a full-raise baseline and say the half-size reopening rule is for limit poker only. Rule 96 then states an event-specific exception for two or more consecutive all-in wagers that exceed the minimum allowable bet or raise. Its example has A bet 500, B raise to 1,000, C call 1,000, D move all-in to 1,300, and E move all-in to 1,700. If A calls or folds, B and C may raise. The last complete raise was 500, so their minimum raise is 500 more, to 2,200 total. That is a useful comparison, not permission to relabel this TDA calculator as a WSOP ruling engine. The texts are not identical, and other operators may publish different procedures. Select the governing event rules before doing arithmetic. What the Calculator Cannot Decide - Physical or verbal intent: it cannot determine whether chips, words, timing, or gestures constituted a call, raise, or all-in. - Accepted action and corrections: undercalls, incorrect counts, substantial action, and [action out of turn](https://gtogecko.com/blog/poker-action-out-of-turn) require their own rules and facts. - Stack and pot-limit bounds: “may raise” does not prove the player can fund a standard minimum, nor that a chosen pot-limit amount is below the maximum. - Pot ownership: reopening rights do not determine contribution layers or who can win them. Use the separate [side-pot calculation guide](https://gtogecko.com/blog/side-pot-equity-calculation) after the action has been established. - A live ruling: Poker TDA is a voluntary trade association, Rule 1 makes floor decisions final, and the house or event may supplement or replace this profile. If the input action history is disputed, stop. Record the exact sequence, call the floor, and apply the ruling before using any worksheet. The calculator answers only the declared numerical state it receives. Download and Reproduce the Checks The public bundle contains normalized TDA examples plus boundary fixtures for equality, one unit below the threshold, acted and unacted opening underbets, an unacted blind, a later full raise, a folded player, and an all-in player with no chips. Results are deterministic; no random sampling or private hand data is used. - [Inputs, ruleset labels, and expected outcomes (JSON)](https://gtogecko.com/data/short-all-in-reopening-fixtures.json) - [Player-by-player published results (CSV)](https://gtogecko.com/data/short-all-in-reopening-results.csv) - [Independent standard-library verifier (Python)](https://gtogecko.com/data/short-all-in-reopening-verifier.py) - [Method, field definitions, commands, and limitations](https://gtogecko.com/data/short-all-in-reopening-README.md) Place the four files in one folder and run python short-all-in-reopening-verifier.py . The verifier reads the public fixtures and checks the expected actor-specific decisions without calling the browser calculator. Decimal amounts are preserved for boundary comparisons rather than rounded for display. This reproduces the published arithmetic, not the judgment required to reconstruct a disputed live action. Where ICM Trainer Fits—and Where It Does Not After the venue determines the legal action sequence, ICM Trainer can be a next step for studying supported preflop tournament branches. Its current [US Google Play listing](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en&gl=US) describes precomputed tournament solutions and a full preflop tree through folds, calls, raises, and all-ins. The reopening calculator is not an ICM Trainer feature or a rules authority. The listing does not establish support for incomplete raises, cumulative short all-ins, minimum-raise adjudication, side pots, or every operator’s action tree. Preserve the ruled action, stack, payouts, positions, and other inputs before studying; our [solver study guide](https://gtogecko.com/blog/how-to-use-poker-solver) explains why accurate inputs matter. Short All-In Reopening FAQ Do two short all-ins always reopen betting? No. Under this TDA profile, compare the cumulative increase with the full increment for the named player. A and C can receive different answers. Does exactly one full increment count? Yes. Example 1 gives A an increase of exactly 100 against a 100-chip threshold. Does posting the big blind mean that player already acted? No. TDA Example 3-A treats the big blind’s option as unacted when action first returns preflop. Is the next minimum raise based on the latest short all-in? No. Keep the last full valid increment. In Example 2, F faces 800 but must add the unchanged 300-chip increment, making 1,100 total. Sources and Methodology Rules, product wording, and public files were checked on September 3, 2026 . - Poker Tournament Directors Association, [2024 Rules, Version 1.0](https://www.pokertda.com/view-poker-tda-rules/), Rules 43 and 47 and Illustration Addendum Examples 1, 1-A, 1-B, 2, 3-A, and 3-B. Used for the TDA calculation profile. Poker TDA is a voluntary association; event and floor rules control live decisions. - Poker TDA discussion forum, [“All in with less than BB”](https://www.pokertda.com/forum/index.php?topic=1456.0), administrator reply dated November 1, 2017. Used only as a historical implementation cross-check for an opening all-in below the minimum bet, not as the current rules authority. - World Series of Poker, [2026 Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), Rules 95–96. Used only for the separately labeled WSOP comparison. - Google Play, [ICM Trainer: Push/Fold Poker, US listing](https://play.google.com/store/apps/details?id=com.icmtrainer.icm_trainer&hl=en&gl=US). Used only for the narrow product description and checked on the date above. - GTO Gecko, [short-all-in reopening fixtures](https://gtogecko.com/data/short-all-in-reopening-fixtures.json), [results](https://gtogecko.com/data/short-all-in-reopening-results.csv), [independent verifier](https://gtogecko.com/data/short-all-in-reopening-verifier.py), and [method note](https://gtogecko.com/data/short-all-in-reopening-README.md). Generated and checked September 3, 2026. ### What Should You Learn First in Poker? A 5-Checkpoint Hold’em Router https://gtogecko.com/blog/what-to-learn-first-in-poker If you are learning no-limit Texas Hold’em and do not know what to study next, sample five narrow checkpoints. They cover a showdown comparison, Button-versus-big-blind postflop order, one pot-odds denominator, one card-removal count, and one optional solver-output interpretation. The router suggests the topic attached to the earliest missed checkpoint among these five . That sequence is an editorial study heuristic, not a validated hierarchy or a complete map of poker skill. A miss is a prompt to check the related topic; it is not proof that you lack the whole topic. The tool explains every answer and publishes its complete answer-to-path map, but it does not produce a skill score, certify a level, or predict poker results. Disclosure: GTO Solutions AS publishes GTO Gecko and [River](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420). River’s current Apple store listing describes an adaptive placement feature. The web router in this article is a separate editorial tool; its questions, routing rule, reference checker, and downloads are public below. Its controls remain disabled until the browser code owns them; answers then stay in local page state and are not submitted or stored. How a Narrow Miss Becomes a Review Route The first answer marked incorrect or “Not sure” selects a related review topic. Passing a checkpoint means only that you answered one item correctly. Use the suggestion as a first experiment—not as a permanent label or evidence of mastery. Earliest missed checkpoint and a broader follow-up drill First miss Suggested review topic Then test with varied examples 1 · Showdown [Five-card hand reading](https://gtogecko.com/blog/poker-hand-rankings-guide) Name the highest-ranking five-card hand correctly across ten varied showdowns. 2 · Position [Postflop action order](https://gtogecko.com/blog/poker-position-strategy) Identify the first scheduled actor before and after the flop, then trace a raised sequence. 3 · Pot odds [The final-pot denominator](https://gtogecko.com/blog/pot-odds-poker-math) Convert several bet sizes into break-even equity, then estimate equity separately. 4 · Combos [Known-card removal and combo counts](https://gtogecko.com/blog/combo-counting) Count several pocket pairs and unpaired hand classes after removing known cards. 5 · Solver EV [Mixed-frequency solver output](https://gtogecko.com/blog/how-to-use-poker-solver) Explain a mixed output without calling frequency “confidence” or “accuracy.” No miss [Applied, feedback-rich practice](https://gtogecko.com/blog/how-to-practice-poker) Use drill errors and reviewed hands to choose the next topic. The route is based on the earliest miss in this editorial sequence, not the number of correct answers. Someone who answers checkpoints two through five correctly but misreads the showdown receives the hand-reading review. That is a conservative study suggestion, not a claim that the person cannot understand later concepts. The diagram shows the router’s declared rule, not a validated learning hierarchy. You can revisit or override any suggestion. What These Five Checkpoints Cover Poker knowledge is not perfectly linear. A tournament specialist can understand ICM while still making combo-counting mistakes; a strong live player can read action well without using solver vocabulary. We placed concrete reading and arithmetic before more abstract model output because that makes a usable study sequence. It is one defensible editorial order, not a universal dependency chain. Solver literacy is optional, not a prerequisite for applied poker practice. 1. Read the hand before choosing a strategy Hand rankings are only the beginning. You must consistently select the highest-ranking five cards, recognize shared-board ties, and compare kickers. If that process is slow, strategy feedback becomes noisy: the learner may “fix” a bet that was never the main mistake. Start with our [poker hand rankings guide](https://gtogecko.com/blog/poker-hand-rankings-guide). Then make the knowledge executable. Deal ten boards, assign two hands, and say the exact winner and five-card holding before revealing the answer. Do not move on because the chart looks familiar; move on when the comparison itself is reliable. 2. Put every decision in seat order Seat position and the preceding action tell you who has acted, who still can act, and which starting ranges are plausible. Preflop charts without seat names are just colored squares. Postflop advice without action order loses the informational advantage that position creates. A useful micro-drill is to draw a six-handed table and mark the first scheduled actor preflop, the first actor after the flop, and the Button. Rotate the Button and repeat. Then add one raise and trace the action until no unmatched wager remains. Our [poker position guide](https://gtogecko.com/blog/poker-position-strategy) covers the seats and in-position versus out-of-position play; range construction can follow once the order is reliable. 3. Separate price from probability Pot odds answer one question: how often must a call recover its cost in a simplified showdown model? Equity answers another: how much of the pot does a hand or range expect to win at showdown? Comparing them is powerful only when both quantities use compatible assumptions. For a call of C into a pot that will be F after you call, the no-future-action threshold is C / F . The router’s 50-chip call contests a final 200-chip pot, so the threshold is 25%. Rake or future action changes the final cash flows; multiway pots, ties, ranges, and imperfect estimates complicate the expected share of the pot. Fold equity belongs to betting or raising, not to this call calculation. Work through the examples in our [pot-odds guide](https://gtogecko.com/blog/pot-odds-poker-math) and [equity guide](https://gtogecko.com/blog/poker-equity-explained) before adding those layers. 4. Replace one hand with a set of possible hands A range is not a vague list of “strong hands.” It is a weighted set of specific combinations consistent with the cards and action. Known cards remove combinations. On the router’s A♠ 7♦ 2♣ flop, holding A♥ leaves only A♦ and A♣, so an opponent has one possible AA combination rather than the six available before any ace is seen. This is the bridge from hand strength to range interaction. Practice by choosing one flop and counting a few value classes before estimating bluffs. Our [combo-counting guide](https://gtogecko.com/blog/combo-counting) covers pocket pairs, unpaired hands, and card removal; the point here is to make the count a habit. 5. Read solver output as a model result Solver frequencies are strategy frequencies inside a specified game tree. They are not confidence percentages, promises that one action will win, or proof that a tiny displayed EV difference is strategically meaningful after rounding and model error. If betting shows 2.10 bb and checking 2.09 bb in the same solved state, the most defensible first reading is that the actions are nearly indifferent in that model. Before copying the 60/40 mix, ask which ranges, bet sizes, rake, stack depth, and future actions were allowed. Our [poker solver study guide](https://gtogecko.com/blog/how-to-use-poker-solver) shows how to move from output to an explanation you can actually use. Why There Is No Poker Skill Score Five multiple-choice responses cannot support a broad claim about poker ability. A guess can pass a gate; a slip can fail one. Each checkpoint samples only a narrow concept, and this router has not been calibrated against a representative learner population or linked to later poker outcomes. That limitation is why the result is a review prompt. The joint [Standards for Educational and Psychological Testing](https://www.testingstandards.net/uploads/7/6/6/4/76643089/9780935302356.pdf) says a test should begin with a defined purpose, intended use, content domain, population, scoring, and reporting plan—and that evidence should support the particular interpretation being made. Our intended interpretation is deliberately small: “this topic corresponds to the earliest miss among five items,” not “this is your poker level.” The content blueprint is public too. Diagnostic-assessment research calls an item-to-skill map a Q-matrix; [a simulation study of Q-matrix design](https://pmc.ncbi.nlm.nih.gov/articles/PMC5965638/) found that item–attribute alignment affects classification quality. We borrow the transparent mapping idea, not the paper's psychometric model. There is one checkpoint per gate here—far too little evidence to claim mastery or classification accuracy. Why Answering and Feedback Still Help The questions are not merely decoration. [A review by Roediger and Butler](https://pubmed.ncbi.nlm.nih.gov/20951630/) reports that retrieving an answer can improve long-term retention relative to repeated study, and that feedback strengthens the benefit. A later [meta-analysis of 222 classroom studies involving 48,478 students](https://pubmed.ncbi.nlm.nih.gov/33683913/) found a positive average effect of quizzing, with results varying by factors including feedback, format, repetition, timing, and study design. Those findings support a learning interaction: try, retrieve, receive corrective feedback, and practice again. They do not validate this router's placement accuracy or show that a five-question poker tool improves poker performance. That would require purpose-built learner research. Turn the Result Into One 30-Minute Study Block - Write the gap in one sentence. “I used the pot before my call as the denominator” is more actionable than “I am bad at math.” - Study one explanation for ten minutes. Use the route's linked guide or another source you trust. Do not open five topics. - Do ten retrievals or decisions. Name winners, mark action order, calculate thresholds, count combos, or explain solver outputs—without notes first. - Review every miss immediately. Record the misconception, not just the correct letter. - Retest later with new examples. One correct repeat can be memory for the item; varied examples are stronger evidence that the concept transfers. If you cleared all five checks, do not jump straight to the most complicated tree you can solve. Start with a baseline drill or one marked hand. Log the first repeated decision error, study that family, and retest it. Our [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker) gives a fuller review loop. How the Router Was Built and Checked The routing rule is intentionally inspectable: answer all five questions; take the review topic attached to the earliest answer that is not correct; otherwise take the applied-practice route. “Not sure” is treated as a review signal. No weighted total, hidden threshold, learner profile, account, cookie, or server request is involved. We publish the [complete question and route blueprint (JSON)](https://gtogecko.com/data/poker-learning-router.json), a compact [answer map (CSV)](https://gtogecko.com/data/poker-learning-router-map.csv), and a [Node.js reference checker](https://gtogecko.com/data/poker-learning-router-verifier.mjs). The checker enumerates all 4⁵ = 1,024 complete answer combinations and compares the declared JSON routes with the stated earliest-miss rule. Download the three files into one folder and run node poker-learning-router-verifier.mjs . The checker compares the JSON’s checkpoint IDs, correct-option IDs, and route IDs with a separately declared five-entry oracle, confirms that the CSV matches the JSON, and tests every response combination. It cannot establish that a poker premise or answer key is true, and it does not exercise the React interface. The site’s separate automated tests cover the production routing function and rendered interaction. The next empirical step would be a disclosed beginner pilot measuring item difficulty, misunderstood distractors, route overrides, later drill performance, and retest stability. Where River Fits River is an educational poker app from the same publisher as this site. Its current [Apple App Store listing](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420) describes short interactive lessons, preflop and postflop practice, feedback, progress tracking, and adaptive placement; the [Google Play listing](https://play.google.com/store/apps/details?id=com.gtosolutions.pokercourseapp&hl=en_US) describes structured modules and practice. Store descriptions can change, so consult your regional listing for current availability and terms. Use River if you want a guided product path and repeated in-app practice. Use the public router here if you want to inspect every checkpoint and routing rule first. We do not use River telemetry in this article, and the web result should not be read as evidence that River's placement feature is accurate or effective. Limits to Keep in View - Five narrow checkpoints: many skills are absent, including live observation, tournament payouts, bankroll decisions, mental game, and game-specific rules. - Hold’em scope: the questions use no-limit Texas Hold’em concepts; do not transfer the sequence or answers to another variant without checking that variant’s rules. - One item per gate: a correct answer is weak evidence of mastery; an incorrect answer is a useful prompt to review, not a diagnosis. - Linear editorial sequence: real knowledge can be patchy. You may know a later concept while missing an earlier one. - No outcome validation: the router has not been tested against long-term retention, decision quality, or poker results. - Educational scope: neither the article nor the router supplies real-time assistance or guarantees profitable play. Poker Learning FAQ What should a complete beginner learn first in no-limit Hold’em? Rules, legal actions, hand rankings, and reading the highest-ranking five-card hand are sensible early topics. This router samples only the showdown-reading part of that foundation. Should I learn preflop charts before poker math? Learn position and the purpose of a range first. A small opening chart can then provide structure, but pair it with basic equity and pot-odds work rather than treating it as a script. When should I start using a poker solver? There is no required point: solver use is optional. If you choose it, begin with small trees and explain ranges, actions, frequencies, EVs, and assumptions in words before adding complexity. Does passing all five questions mean I am advanced? No. It means you answered five narrow items correctly. The recommended next step is applied practice that reveals a real repeated gap, not an advanced label. Can I ignore the recommended route? Yes. The route is a low-stakes starting suggestion. If varied drills show the suggested concept is reliable, move forward; if a later topic exposes the gap again, return to it. Sources - American Educational Research Association, American Psychological Association, and National Council on Measurement in Education, [Standards for Educational and Psychological Testing](https://www.testingstandards.net/uploads/7/6/6/4/76643089/9780935302356.pdf), 2014. Accessed September 3, 2026. - Henry L. Roediger III and Andrew C. Butler, [“The critical role of retrieval practice in long-term retention”](https://pubmed.ncbi.nlm.nih.gov/20951630/), Trends in Cognitive Sciences , 2011. Accessed September 3, 2026. - Chunliang Yang, Liang Luo, Miguel A. Vadillo, Rongjun Yu, and David R. Shanks, [“Testing (quizzing) boosts classroom learning: A systematic and meta-analytic review”](https://pubmed.ncbi.nlm.nih.gov/33683913/), Psychological Bulletin , 2021. Accessed September 3, 2026. - Matthew J. Madison and Laine P. Bradshaw, [“The Effects of Q-Matrix Design on Classification Accuracy in the Log-Linear Cognitive Diagnosis Model”](https://pmc.ncbi.nlm.nih.gov/articles/PMC5965638/), Educational and Psychological Measurement , 2015. Accessed September 3, 2026. - Apple App Store, [River: Poker Lessons & Trainer](https://apps.apple.com/us/app/river-poker-lessons-trainer/id6756941420); Google Play, [River – Gamified Poker Lessons](https://play.google.com/store/apps/details?id=com.gtosolutions.pokercourseapp&hl=en_US). Accessed September 3, 2026. - GTO Gecko, [Poker learning router blueprint](https://gtogecko.com/data/poker-learning-router.json), [answer map](https://gtogecko.com/data/poker-learning-router-map.csv), and [reference checker](https://gtogecko.com/data/poker-learning-router-verifier.mjs). Generated and accessed September 3, 2026. ### GTO+ Alternatives in 2026: Solver-Grade Study Without a Windows PC https://gtogecko.com/blog/gto-plus-alternatives GTO+ is a $75 one-time Windows program that solves heads-up postflop Hold'em spots on trees you build yourself, and at that price it's the cheapest way to own a real solver. We've recommended it twice on this blog and we're not taking that back. But it runs on nothing except Windows, it ships no presolved library, and its trainer doesn't exist yet. If you're on a Mac, on a phone, or just tired of building trees before every study session, this guide compares the tools that fix each of those gaps, with every price checked on September 1, 2026. The Short Version Most players hunting for a GTO+ alternative aren't looking for a different tree builder. They want the output without the operating: solved spots they can open anywhere and drill until the play sticks. That's a precomputed library with a trainer, like [GTO Gecko](https://gtogecko.com/). If you genuinely want to keep running your own solves, [TexasSolver](https://github.com/bupticybee/TexasSolver) does it for free on Windows, macOS and Linux, and Deepsolver does it in a browser. Keep GTO+ if you have a Windows PC and $75 is your whole budget. Tool Verified price (Sep 2026) Platforms You get GTO+ $75 one-time, updates included Windows 7+ DIY postflop solver, HU Hold'em GTO Gecko $149.99/yr per format, $239.99/yr all games iOS, Android, web, macOS 1.95M presolved hand strategies + graded trainer GTO Wizard $49–$279/mo (monthly billing) Browser Deepest presolved library; custom AI solving in upper tiers Deepsolver $49–$69/mo, or $29.40–$41.40/mo billed yearly Browser (no mobile) Cloud custom solving, unlimited calculations PioSolver 3 €450 (Pro) / €800 (Edge) + tax Windows Pro-grade DIY solver, scripting, aggregation TexasSolver Free, open source Windows, macOS, Linux DIY solver with a GUI, zero cost What GTO+ Gets Right Credit first, because there's plenty. The license is $75 once, a second machine costs $40, and the developer's own purchase page says all future updates are included. A CardRunners EV license is bundled in. Savefiles are hundreds of kilobytes where PioSolver's run to hundreds of megabytes. And in independent side-by-side tests the equilibria it produces effectively match Pio's on standard postflop work, which is why our [PioSolver alternatives](https://gtogecko.com/blog/piosolver-alternatives) guide calls it the better buy for anyone solving individual spots rather than running scripted research, and our [Simple GTO Trainer alternatives](https://gtogecko.com/blog/simple-gto-trainer-alternatives) roundup calls it the cheapest way to own a postflop solver outright. It's not abandoned, either. The download page lists a v1.9.1 beta from June 23, 2026, and the release notes describe preparatory engine work for an upcoming trainer. This is a live product with a developer who ships. So why are you here? Why Players Go Looking for an Alternative It runs on Windows and nowhere else. The system requirements say Windows 7 or higher, with 16GB of RAM and four cores recommended. There's no macOS build, no iOS, no Android, no web version. A Mac user's options are a virtual machine or a different tool. It solves what you build, not what you play. GTO+ is a research instrument for heads-up postflop Hold'em. You define ranges, choose bet sizes, build the tree, then wait for the solve. Do that well and the output is excellent. But there's no presolved library to browse when you have five minutes in a queue, and no drill mode that deals you spots and grades your answers. The trainer in the June beta notes is engine work today, not a product you can buy. The workflow is the price. $75 buys the engine. It doesn't buy the tree-building judgment that makes solver output trustworthy, and a bad tree produces confident nonsense. Our guide to [using a solver properly](https://gtogecko.com/blog/how-to-use-poker-solver) is mostly a list of ways to get this wrong. A presolved library removes that whole failure mode: someone already built the trees, ran the solves, and standardized the sizings. The Dead End We Can Measure We buy App Store search ads, so we can see what happens when people look for GTO+ on a phone. Between May 1 and August 16, 2026, 96 installs of GTO Gecko on iOS were attributed to someone typing a named rival tool into App Store search. 43 of those 96, just under half, came from the GTO+ searches "gto+", "gto+ poker" and "gto+ solver". No other non-Wizard brand reached double digits except DTO and GTO Lab, at exactly 10 each. GTO Gecko iOS installs attributed to rival-tool search terms, May 1 to August 16, 2026 GTO+ leads every non-Wizard brand searched before installing Attributed GTO Gecko iOS installs by rival search term, May 1 to Aug 16, 2026 GTO+ 43 DTO 10 GTO Lab 10 ICMIZER 8 Hand2Note 4 PioSolver 2 GTO Wizard searches sit in their own bucket at 362 installs and are excluded here for scale. Search Match traffic carries no keyword label, so every figure is a floor, not a total. Attributed installs from our own Apple Ads account over 108 days. "GTO+" combines the search terms "gto+", "gto+ poker" and "gto+ solver". Read that chart the way we do: dozens of people typed a Windows desktop solver's name into an iPhone store, found no GTO+ app because none exists, and installed a mobile GTO trainer instead. The demand for GTO+ on the go is real and the product isn't there. That's the gap every alternative below fills in its own way. 1. GTO Gecko: the Presolved Library and Trainer That Travels GTO Gecko is our app, so weigh this section accordingly. It inverts the GTO+ deal: instead of building trees and waiting on solves, you open a library where the solving is already done. The app ships 505 solve files holding 11,513 preflop decision points and 1,945,697 individual hand strategies across cash, MTT and Spin & Go formats, plus 25,196 postflop training scenarios over 109 canonical flops. The trainer deals you spots and grades every decision, and the postflop drills include opponent-model profiles (fish, nit, maniac) on the Elite tier, so you can practice against the players you actually face rather than only against equilibrium. It runs where GTO+ doesn't: iOS, Android, any browser at [play.gtogecko.com](https://play.gtogecko.com/), and natively on macOS through the Mac App Store. The web app has a free tier with daily limits and no credit card, which is the fastest way to test whether a presolved library fits how you study. Store standing as of September 1, 2026: 4.7 stars on the App Store and 4.9 across 1,070 Google Play reviews. Pricing is $24.99/month or $149.99/year for one format, $39.99/month or $239.99/year for all of them. What you give up against GTO+ is real: there's no custom tree building and no node locking. If your study revolves around odd stack depths and homebrew sizings, keep a DIY solver in reserve. If it revolves around playing better in standard spots, the library covers you and the drill loop is the part GTO+ hasn't shipped yet. 2. GTO Wizard: the Deepest Library, at Subscription Prices GTO Wizard is the biggest name in browser GTO study and its presolved library is the deepest on the market, a fact we don't argue with. Upper tiers add custom AI solving and node locking, which makes it the closest thing to "GTO+ plus a library" in one product. The cost is the catch: $49 to $279 a month on monthly billing depending on tier, roughly 20% less on annual. Two months of the mid tier costs more than a GTO+ license, and the tier that includes custom solving costs more per month than GTO+ costs forever. We break the tiers down in our [GTO Wizard pricing analysis](https://gtogecko.com/blog/gto-wizard-pricing) and the wider field in [GTO Wizard alternatives](https://gtogecko.com/blog/gto-wizard-alternatives). 3. Deepsolver: Custom Solving in a Browser Deepsolver is the straightest answer to "I want the GTO+ workflow but I don't have a Windows PC." It's a cloud solver: you configure a spot in the browser, their servers run it, and both plans include unlimited calculations plus a GTO trainer. It costs $49/month for Essential or $69/month for Pro, dropping to $29.40 and $41.40 per month on yearly billing, and you get two days to test it before committing. Two honest caveats from their own pages: it needs a solid internet connection, and it doesn't support mobile devices. You're renting a faster GTO+ in a browser tab, not putting a solver in your pocket. 4. PioSolver: the Upgrade Path, Not the Escape Path If your problem with GTO+ is capability rather than platform, PioSolver 3 is where you'd go: scripting, aggregation reports, and a decade of community workflows built around it. Pro costs €450 and Edge €800, both plus tax and both with one year of updates included. But note what it doesn't fix. Pio is Windows-only too, still DIY, and six times the price. For most people reading this page it's the wrong direction, which is exactly what our [PioSolver alternatives](https://gtogecko.com/blog/piosolver-alternatives) guide is about. 5. TexasSolver: the Free One TexasSolver is an open-source postflop solver under the AGPL v3 license with a GUI, about 2.5k GitHub stars, and builds for Windows, macOS and Linux. Its own benchmarks show results aligned with PioSolver on matched spots. For a Mac user who wants the GTO+ experience at GTO+ accuracy, this is the honest zero-dollar answer, and we said as much in our [poker solver roundup](https://gtogecko.com/blog/best-poker-solvers). The trade is polish: rougher interface, no vendor support, and the same DIY tree-building burden as every other solver on this list. Free software is only free if your time is. What Two Years of Study Actually Costs One-time purchases and subscriptions are hard to compare in a single glance, so here's the arithmetic over two years of continuous use, list prices as of September 1, 2026, annual billing where it's offered. Two-year total cost of six GTO study tools at September 2026 prices Two-year cost: GTO+ stays the cheapest paid solver Total cost of 24 months of study, USD list prices, annual billing where offered TexasSolver $0 GTO+ $75 Gecko, one format $299.98 Gecko, all games $479.98 Deepsolver Essential $705.60 Wizard Starter $936 PioSolver Pro sits between the Gecko plans at 450 euros one-time, plus tax, in a different currency. Two years of continuous use at September 1, 2026 list prices. GTO Wizard Starter uses the $39/month annual-effective rate; higher Wizard tiers multiply from there. GTO+ wins this chart and we're not going to pretend otherwise. The question the chart can't answer is what those dollars buy per hour of your study time. Two years of GTO+ is two years of building trees before you can ask a question. Two years of a library is two years of asking questions. Who Should Choose What You have a Windows PC, $75, and enjoy the research itself. Buy GTO+. Genuinely. It's the best value in DIY solving and the bundled CardRunners EV license is a nice extra. You're on a Mac. TexasSolver if you want to run your own solves for free, GTO Gecko from the Mac App Store if you want the answers already solved and a trainer on top. You study on your phone, in queues, between sessions. A presolved mobile library is the only format that survives real life. That's GTO Gecko on iOS and Android, and it's the conclusion 43 GTO+ searchers reached on their own in three and a half months. You want custom solving without owning hardware. Deepsolver in the browser, or GTO Wizard's upper tiers if you also want the library and can carry the monthly price. You run scripted aggregation research for a living. PioSolver Edge. Nothing else on this page replaces it. Switching from GTO+: What You Keep and What You Lose Nothing transfers. No platform here imports GTO+ savefiles, so your solved trees stay on the Windows machine that made them. What you lose going to any presolved library is control: custom ranges, custom sizings, node locking, and the ability to solve a straddled live-game monstrosity nobody precomputes. (GTO Gecko's cash trees do include a 200bb straddle profile, which covers the most common of those requests.) What you gain is time and repetition. Setup is a login rather than an install, the first solved spot is seconds away, and the drill loop that turns knowledge into instinct exists today instead of in a future release. The pattern we see across 22,500+ players in 175 territories is consistent: people don't stop studying because the answers were wrong. They stop because the workflow was work. Try the inversion free: open [play.gtogecko.com](https://play.gtogecko.com/) in any browser, on any operating system, and drill a few solved spots today. Daily limits, no credit card. If the library covers your games, you'll know within ten hands whether you miss the tree builder. FAQ Is GTO+ still being updated in 2026? Yes. The official download page lists a v1.9.1 beta dated June 23, 2026, following a v1.8.9 stable release in February 2026, and the beta notes describe engine work for an upcoming trainer. Anyone telling you GTO+ is abandoned is out of date. Does GTO+ run on Mac? No. The requirements are Windows 7 or higher; there's no macOS build. Mac users can run it in a Windows virtual machine, or go native with TexasSolver (free, DIY) or GTO Gecko (presolved library and trainer, Mac App Store). Is there a GTO+ mobile app? No. Searching "GTO+" on the App Store returns unrelated apps with a plus sign in the name, because the real GTO+ exists only on Windows desktop. Our ad data puts numbers on that dead end: 43 attributed GTO Gecko installs in 108 days came from GTO+ search terms alone. Is GTO+ as accurate as PioSolver? For standard heads-up postflop solving, effectively yes. Both converge on Nash equilibrium, and independent comparisons on matched settings find near-identical strategies and EVs. Pio earns its higher price with speed on large trees, scripting and aggregation tooling, not with better answers. What does GTO+ actually cost? $75 one-time for the first license and $40 for a second, with all future updates included and a CardRunners EV license bundled, per the official purchase page as of September 1, 2026. One license covers one computer. What's the cheapest GTO+ alternative? TexasSolver, which is free and open source, if you want to keep running your own solves. If what you want is presolved answers plus a trainer, GTO Gecko's single-format plan at $149.99/year is the cheapest full library on this page, and the web app's free tier with daily limits costs nothing to try. Sources - GTO+ purchase page — $75 first license, $40 second license, updates included, CREV bundled, checked September 1, 2026 - GTO+ download page — v1.9.1 beta June 23, 2026, Windows 7+ requirement, 16GB RAM recommended, trainer engine work in release notes, checked September 1, 2026 - PioSolver products page — Pro €450 and Edge €800 plus tax, one year of updates, checked September 1, 2026 - Deepsolver pricing page — Essential $49/mo, Pro $69/mo, $29.40/$41.40 annual-effective, browser only, checked September 1, 2026 - TexasSolver GitHub repository — AGPL v3, Windows/macOS/Linux, GUI, benchmark alignment with PioSolver, checked September 1, 2026 - PokerNews — GTO Wizard 2026 subscription plans and pricing changes - GTO Gecko on the App Store and Google Play — ratings and pricing, checked September 1, 2026 - Apple Ads attribution data, GTO Gecko iOS, May 1 to August 16, 2026 — install counts are floors, not totals, because Search Match traffic carries no keyword label ### Should You Draw a Mystery Bounty Now or Wait? https://gtogecko.com/blog/mystery-bounty-draw-timing If every intervening reveal and your eventual prize are sampled uniformly without replacement from the same fixed finite pool, waiting to redeem one earned token cannot change its original expected value or jackpot probability. This remains true even when your timing rule reacts to past public reveals, provided you commit before seeing the selected envelope, must redeem by a finite deadline and will still have a prize to draw. Waiting can still change the conditional answer. If somebody else removes a small prize, the mean of the remaining pool rises. If they remove the jackpot, its probability becomes zero. You learn which branch occurred only after accepting the risk of every branch. That is why a reveal can change today's number without making waiting better yesterday. We prove the result below, then check a deliberately adaptive rule by enumerating all 720 possible labeled three-envelope prefixes of a disclosed synthetic pool. The rule selected every envelope exactly 72 times, reproducing the original payout distribution and its $300 mean. Disclosure: GTO Gecko publishes this article and hosts a downloadable Mystery Bounty calculator and guide on its [Resources page](https://gtogecko.com/resources). The pool, timing rule, diagram and code below were created independently for this article. They do not describe an actual tournament, test an app or recommend a poker action. The answer in three lines - Before another reveal: draw now and any predictable timing rule—one committed using only earlier reveals—have the same payout distribution when every draw uses the stated fair pool. - After another reveal: recalculate from the prizes that remain; the conditional mean and jackpot odds may move sharply. - At the table: event rules, deadlines and time away from play can make immediate redemption operationally better even when envelope EV is unchanged. First Check the Tournament's Actual Draw Rules There is no universal mystery-bounty procedure. PokerStars' published explainer distinguishes automatic online reveals from live events where the player may decide when to pull a bounty. Its separate draw-timing article records professionals giving conflicting answers about whether they would pull immediately or wait. That disagreement is about live logistics and intuition; it is not a proof that the payout distribution changes. The 2026 WSOP tournament rules allow mystery-bounty selection to be run manually or through software and note that some draws award a predetermined amount while others can award access to another mystery draw. A published 2026 WSOP Event #63 structure also says bounties begin on Day 2 and that prize redemption cannot start before 4 p.m. Those details matter: an automatic reveal leaves no timing decision, a nested draw is not the simple list of cash values used below, and a redemption window can override your preferred schedule. Before applying any formula, confirm all five conditions: - The stated remaining pool is fixed except for prizes removed by draws. - Every intervening reveal and your eventual draw are conditionally uniform from that same pool. - Each revealed prize is removed without replacement. - Your token remains valid, and you must redeem while a prize is still available. - You commit before seeing the selected envelope, using only earlier reveals and any independent private randomness. If any condition fails, use the operator's rules rather than this model. A Synthetic 10-Envelope Pool Our example has ten labeled envelopes. The values are constructed to make both the updates and the verification easy to audit; they are not copied from a real event. Constructed pool before any envelope is opened Prize Count Pool value Chance on one draw $100 4 $400 40% $200 2 $400 20% $300 1 $300 10% $400 1 $400 10% $500 1 $500 10% $1,000 1 $1,000 10% Total 10 $3,000 100% The expected payout is the pool total divided by the number of envelopes: E[next bounty] = $3,000 / 10 = $300 That $300 mean is not a prediction that you will receive $300. The median is $200, the most common payout is $100, and 60% of envelopes pay $100 or $200. The $1,000 envelope pulls the average upward. Expected value describes the long-run average of this model, not its typical single outcome. What One Reveal Does to the Remaining Pool Let S be the total value of the current pool, N its number of envelopes and x the prize another player reveals. The updated mean is: new mean = (S - x) / (N - 1) In this pool, removing anything below $300 raises the mean; removing anything above $300 lowers it. Removing exactly $300 leaves it unchanged. Every branch changes the conditional pool. Weighted by the chance of reaching each branch, the next-envelope mean is still $300 and the jackpot chance is still 10%. The table contains the same values as the diagram. On a narrow screen, scroll horizontally. Next-draw values after one external reveal Revealed prize Branch chance Remaining total Next-draw mean Change Jackpot chance $100 40% $2,900 $322.22 +$22.22 11.11% $200 20% $2,800 $311.11 +$11.11 11.11% $300 10% $2,700 $300.00 $0.00 11.11% $400 10% $2,600 $288.89 −$11.11 11.11% $500 10% $2,500 $277.78 −$22.22 11.11% $1,000 10% $2,000 $222.22 −$77.78 0% Chance-weighted result 100% — $300.00 $0.00 10.00% The tempting branch is the 40% chance that somebody removes $100, lifting your conditional mean to $322.22. Waiting also accepts a 10% branch where somebody removes the $1,000 jackpot, dropping the next mean to $222.22 and its jackpot chance to zero. The weighted average includes both. Why No Predictable Timing Rule Beats the Pool The mean calculation is only one part of the result. The stronger statement is that a valid timing rule preserves the entire marginal payout distribution , including jackpot odds. Choose any payout class—for example, the $1,000 jackpot. Suppose R of the N remaining envelopes are in that class, so its current share is R / N . After another fair reveal: - with probability R / N , that reveal is in the class and its new share is (R - 1) / (N - 1) ; - with probability (N - R) / N , it is outside the class and the new share is R / (N - 1) . Multiply each new share by its branch probability and add them. The result simplifies to R / N . In probability language, the remaining share of every payout class is a martingale: its next expected value, given everything already revealed, equals its current value. Now let your redemption time be any bounded rule that uses only past reveals. When the rule stops, your fair draw has the current remaining distribution. The bounded optional-stopping result says the expected share of each payout class is still its starting share. Because this is true separately for $100, $200, $300, $400, $500 and $1,000, your complete ex-ante payout distribution—not merely its mean—stays the same. The restrictions do real work. The conclusion does not cover seeing or marking the next envelope, redeeming only on branches where a token remains valid, waiting until no prize is available, or an unbounded process with no guaranteed stopping point. For a simple counterexample, imagine only $100 and $1,000 remain. If you could inspect the first prize and accept it only when it is $1,000—otherwise reject it and take the second—you would guarantee $1,000. That is why a valid timing rule must commit before the selected prize is revealed. Exact Check of an Adaptive Draw Rule To make the theorem concrete, we tested a rule that really does react to what it sees: - Allow one other envelope to be opened. - If that reveal is $300 or less, redeem next. - If it is above $300, allow one more external reveal, then redeem immediately after it. This rule tries to capture the attractive low-prize-removal branches while delaying after an unattractive high-prize removal. It still cannot choose which first reveal occurs. We labeled the ten envelopes and enumerated every ordered first-three prefix: 10 × 9 × 8 = 720 equally likely cases. When the policy stops in position two, the unused third position remains in the enumeration so every prefix keeps equal weight. The selected envelope was: - $100 in 288 cases (40%); - $200 in 144 cases (20%); - $300, $400, $500 and $1,000 in 72 cases each (10% apiece). Equivalently, each of the ten labeled envelopes was selected exactly 72 times . The verified mean is therefore (72 × $3,000) / 720 = $300 , and the jackpot appears in 72 of 720 cases, or 10%. The adaptive rule did not improve either number. Exact results for three single-token policies in the synthetic pool Policy Information used Expected payout Jackpot chance Redeem now None $300 10% Wait exactly one reveal One reveal; no reaction $300 10% Adaptive rule above Up to two past reveals $300 10% If You Have Several Tokens, Calculate the Batch You Can Draw Now The single-token proof does not automatically settle every adaptive plan involving several accumulated tokens. A simpler question does have an exact answer: if you redeem k tokens immediately from the stated current pool, without replacement, the expected total is: E[k immediate draws] = k × S / N If J of the N remaining prizes meet or exceed a threshold, the chance of hitting at least one of them in k immediate draws is: 1 - C(N - J, k) / C(N, k) In the synthetic pool, three prizes are at least $400 and one is the $1,000 jackpot: Exact batch results from the original ten-envelope pool Tokens drawn now Expected total Chance of at least one $400+ prize Jackpot chance 1 $300 30.00% 10.00% 2 $600 53.33% 20.00% 3 $900 70.83% 30.00% 4 $1,200 83.33% 40.00% Those are batch-at-this-moment results, not a theorem about every multi-token strategy. Pool-specific limits, token expiration, shared draws and rules about redeeming multiple tokens can change the decision. The Bounty Draw Is Not the Poker Decision This study begins after a player has already earned a token. It says nothing about the probability of earning one. Deciding whether to call, shove or chase an elimination can depend on: - whether you cover the opponent and which player receives the bounty in a split pot; - ranges, showdown equity, fold equity and side-pot rules; - stack utility, payout pressure and Independent Chip Model effects; - whether bounty eligibility starts on a later day or phase; - the value of time, missed hands and leaving the table to join a redemption queue. Our [PKO bounty-value guide](https://gtogecko.com/blog/pko-bounty-value) owns the earlier call-or-fold branch accounting, including coverage, immediate bounty cash and progressive-transfer assumptions. The [ICM guide](https://gtogecko.com/blog/icm-poker-strategy) explains why tournament chips and cash are not interchangeable, while the [late-registration study](https://gtogecko.com/blog/late-registration-poker-ev) separates entry-timing mechanisms. The envelope calculation here should be one clean input, not a substitute for any of those problems. Operationally, immediate redemption often has the simpler risk profile: you avoid forgetting a token, missing a deadline, misplacing a card or discovering that the event has stopped processing claims. Waiting can also cost hands if redemption requires leaving the table. None of those effects changes the fair envelope distribution; they change the real-world decision around it. Download the Pool, Results and Code The evidence bundle is designed to be checked without trusting the prose. The CSV defines every labeled envelope. The generator evaluates the formulas and all 720 labeled prefixes. The JavaScript verifier reconstructs the enumeration independently and checks the generated study. - [Synthetic labeled pool (CSV)](https://gtogecko.com/data/mystery-bounty-example-pool.csv) - [Inputs, formulas, policy counts and exact outputs (JSON)](https://gtogecko.com/data/mystery-bounty-draw-timing.json) - [Primary generator (Python)](https://gtogecko.com/data/mystery-bounty-draw-timing-generator.py) - [Independent verifier (JavaScript)](https://gtogecko.com/data/mystery-bounty-draw-timing-verifier.mjs) Download all four files into one folder. Run python mystery-bounty-draw-timing-generator.py , then node mystery-bounty-draw-timing-verifier.mjs . Both use only their language's standard library. The machine-readable output records integer-dollar inputs, exact fractions and exact prefix counts before producing rounded display values, so the visible $322.22-style figures do not feed back into the calculations. To test a live structure, replace the synthetic rows with the operator's current remaining counts and prize values. Confirm the draw mechanism first; the [Mystery Bounty calculator and guide in Resources](https://gtogecko.com/resources) can help organize the same remaining-pool inputs for off-table study. Limits of This Result - Fair finite pool: every intervening reveal and the eventual selected prize must be conditionally uniform from the same fixed pool and removed without replacement. - One guaranteed draw: the general timing proof here follows one valid token that must be redeemed before a finite deadline with a prize still available. - No advance information: a rule may react to public history but cannot inspect, mark or predict the next envelope. - Cash payout only: the proof does not value missed hands, travel, queues, taxes, exchange rates or non-cash prizes. - No hand strategy: it does not model cover probability, eliminations, ranges, ICM or the chance of earning a token. - Synthetic example: the $3,000 pool is an audit fixture, not an estimate of any current or historical tournament. If the event uses software-generated prizes, nested draws, expiring tokens or a rule that changes eligibility over time, obtain the actual mechanism before treating the remaining-prize list as a uniform envelope pool. Mystery Bounty Draw Timing FAQ Should I draw my mystery bounty immediately? When every intervening reveal and the eventual prize are uniform draws without replacement from one fixed pool, drawing now and any bounded predictable timing rule have the same ex-ante payout distribution. Immediate redemption can still be preferable because of event deadlines, queues, card security or missed hands. Does waiting improve my chance of the top mystery bounty? No under the stated model. In the synthetic pool the jackpot starts at 10%. After one other reveal it becomes 0% if the jackpot was removed and 11.11% otherwise; before seeing the branch, those possibilities weight back to 10%. Why does the remaining average change if waiting has no advantage? The remaining average is conditional on what was revealed. Removing a below-average prize raises it and removing an above-average prize lowers it. Waiting exposes you to both changes; it cannot choose the favorable reveal in advance. Is expected value the payout I should expect most often? No. The synthetic pool's mean is $300, but its median is $200 and its most common payout is $100. A large top prize can make the mean much higher than the typical outcome. How do I calculate the chance of a large prize with several tokens? For k immediate draws, if J of N prizes meet your threshold, use 1 - C(N - J, k) / C(N, k) . Recalculate from the current pool and do not extend that batch formula to an adaptive multi-token policy without a separate proof. Does this prove when I should chase a mystery bounty? No. The analysis starts after the token is earned. Chasing one requires ranges, cover and elimination probabilities, side-pot rules, stack utility and sometimes ICM. Those are separate from the random draw's payout distribution. Primary Sources and Method Files - [PokerStars Learn: How Mystery Bounty tournaments work](https://www.pokerstars.com/poker/learn/news/how-mystery-bounty-tournaments-work/) — operator explanation of online and live draw mechanics, accessed September 1, 2026. - [PokerStars Learn: When should you pull your bounties?](https://www.pokerstars.com/poker/learn/news/mystery-bounty-championship-when-should-you-pull-your-bounties/) — published player perspectives on live redemption timing, accessed September 1, 2026. - [2026 WSOP Tournament Rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), mystery-bounty draw provisions on pages 8–9 — accessed September 1, 2026. - [2026 WSOP Tournament Structures](https://assets.wsopcdn.com/wsop/449960d6-f34d-406d-8424-ff84f5ae51c3.pdf), Event #63 provisions on pages 71–72 — accessed September 1, 2026. - [Article study output](https://gtogecko.com/data/mystery-bounty-draw-timing.json), [generator](https://gtogecko.com/data/mystery-bounty-draw-timing-generator.py) and [independent verifier](https://gtogecko.com/data/mystery-bounty-draw-timing-verifier.mjs) — generated and checked September 1, 2026. ### MonkerSolver Alternatives in 2026: PLO and Multiway Study Without the Hardware https://gtogecko.com/blog/monkersolver-alternatives MonkerSolver is a €499 desktop program that solves Hold'em and Omaha from any street, with any number of players, on betting trees you build yourself. That one-time price is honest and the engine is real: a good chunk of the PLO study material sold today was generated in it. The catch is everything around the engine. You supply the hardware, the tree-building skill, and the hours, and Monker hands you raw output instead of answers. If that trade is the reason you're here, this guide compares the alternatives that sell the answers directly, with every price checked on August 29, 2026. The Short Version Most players searching for a MonkerSolver alternative don't want a different research instrument. They want the results without the research. For NLHE that's a precomputed library with a trainer, like [GTO Gecko](https://gtogecko.com/). For PLO on a phone it's PLO Gecko. For browser-based PLO research with custom solving it's GTO Wizard PLO, and for watching Monker-quality sims someone else ran, it's Vision. Keep Monker if producing novel sims is the point. Tool Verified price (Aug 2026) Platforms Games Precomputed content MonkerSolver €499 one-time Windows 64-bit, macOS Hold'em + Omaha, multiway None (sold separately via cloud) GTO Gecko $149.99/yr per format, $239.99/yr all games iOS, Android, web NLHE cash, MTT, Spins 1.94M preflop hand strategies + 25,196 postflop drills PLO Gecko $119.99/yr iOS, Android PLO4 + PLO5 Full training library GTO Wizard PLO $139–$179/mo (annual, early bird) Browser PLO4 only Full presolved library Vision GTO Trainer $149.99–$187.49/mo (annual) Browser PLO4, PLO5, PLO6 Monker-generated sims PioSolver 3 €450 (Pro) / €800 (Edge) + tax Windows only NLHE heads-up postflop None GTOBase $1,200/yr Web, iOS, Android NLHE cash, MTT, Spins, HU Full presolved library What MonkerSolver Is, and What €499 Actually Buys MonkerSolver is a research instrument. Monkerware's product page describes it plainly: solve from any street, define your own betting structures, and lean on abstraction techniques to squeeze big games into your machine's memory. The official minimum is 8GB of RAM, and that number is doing a lot of work. Toy trees fit in 8GB. Full-tree PLO preflop work is the reason the word "abstraction" appears on the sales page at all, and the reason serious Monker users talk about hardware before they talk about poker. Credit where it's due, twice. First, €499 once is cheap for what the engine does; every browser platform on this page costs more than that per year. Second, the free edition solves turns and rivers at no cost, which is a genuinely useful way to learn how solvers think before spending anything. The ecosystem tells you the rest. Vision's PLO solutions were generated in Monker. PLO Mastermind, PLO Genius and Range Converter all import its files, which we covered in our [PLO Mastermind alternatives](https://gtogecko.com/blog/plo-mastermind-alternatives) breakdown. And Monkerware itself sells ready-made preflop ranges through its cloud, viewable in the free MonkerViewer. Sit with that for a second: the company that sells the lab also sells finished answers, because most of its own customers would rather buy the output than run the experiment. Why Players Go Looking for an Alternative Three reasons come up over and over. It ships empty. Monker contains zero solved spots on install. You design the tree, pick the abstraction, run the sim, and interpret the output. That's a skill set of its own, and learning it costs weeks you could have spent on your actual game. Our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) exists precisely because raw solver output is hard to read. The real cost isn't €499. It's €499 plus a machine with serious memory, plus electricity, plus solve time measured in hours or days for big preflop trees. PioSolver buyers hit the same wall, which is why our [PioSolver alternatives](https://gtogecko.com/blog/piosolver-alternatives) guide reads so similarly: with DIY solvers the license is the cheapest part. There is no mobile anything. No iOS app, no Android solver, no web version. Search "monkersolver" on the App Store today and you get cookie-clicker games. We can even put a number on that dead end, because we buy App Store ads: in the 30 days to August 11, 2026, the search terms "monkersolver" and "monker solver" produced five attributed installs of GTO Preflop, the preflop trainer in our portfolio, on broad-match campaigns. People type a desktop solver's name into a phone store, find nothing native, and install a mobile trainer instead. Monker isn't alone in this pattern: App Store installs attributed to desktop-tool search terms, 30 days to Aug 11, 2026 People search the App Store for desktop tools that aren't there Attributed installs of our mobile preflop trainer by search term, 30 days to Aug 11, 2026 Equilab 19 PioSolver 8 Flopzilla 7 GTOBase 5 MonkerSolver 5 Postflop+ 4 SnapShove 3 PokerSnowie 2 Search Match and broad-match traffic carries no keyword label, so every figure is a floor, not a total. Attributed installs by desktop-tool search term from our own Apple Ads account, 30 days to August 11, 2026. "MonkerSolver" combines the one-word and two-word spellings. If that mobile gap is your main complaint, the fix takes two minutes: [PLO Gecko on the App Store](https://apps.apple.com/app/id6756220388) or [on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) for Omaha, [GTO Gecko](https://apps.apple.com/app/id6738748434) for Hold'em. The Best MonkerSolver Alternatives in 2026 1. GTO Gecko — precomputed NLHE answers with a trainer, on your phone GTO Gecko is a mobile and web GTO trainer built on a precomputed library: the app ships 505 solve files holding 11,513 preflop decision points and 1,945,697 individual hand strategies across cash, MTT and Spins, plus 25,196 postflop training scenarios over 109 canonical flops. That's the inversion of the Monker deal. Instead of building trees, you open one that's already solved and drill it with graded feedback until the play is automatic. It also answers Monker's signature party trick from a different angle. Monker's fame is multiway solving; our preflop chart library is heads-up by construction, like nearly every chart product, and we've published [the measurements](https://gtogecko.com/blog/multiway-pots-poker-strategy) saying so. The Elite tier includes a dedicated Multiway Trainer for 3-player single-raised pots, along with player-type opponents whose rivers are solved on the device itself. Base plans run $24.99/month or $149.99/year per format, $39.99/month or $239.99/year for everything; Elite is $59.99/month or $349.99/year per format. The web app at [play.gtogecko.com](https://play.gtogecko.com/) has a free tier with daily limits and no credit card, so you can judge the library before paying. Store standing: 4.7 stars on the App Store, 4.9 across 1,070 Google Play reviews. 2. PLO Gecko — Omaha training for the price of one month elsewhere PLO Gecko (formerly PLO Edge) trains both PLO4 and PLO5 on iOS and Android at $119.99 a year, which is less than a single month of any browser PLO platform on this page. It's free to download with a daily allowance of 25 trainer hands and 50 range lookups before a subscription is needed, and the store listing was updated August 26, 2026, two days before this post. It rates 4.5 across both stores. Be clear about what it is and isn't. It won't run your custom 6-way sim; it's the tool for converting solver-approved Omaha into decisions you make in rhythm. If you're new to Omaha study, our [best PLO trainer](https://gtogecko.com/blog/best-plo-trainer-apps) roundup and the [PLO5 trainer guide](https://gtogecko.com/blog/plo5-trainer) map the whole category. 3. GTO Wizard PLO — the browser research route GTO Wizard launched a standalone PLO product in 2026, and it's the closest thing to a feature-for-feature Monker replacement for 4-card research: a full presolved library from preflop to river, a trainer, and custom solving with nodelocking on the Elite tier. Their own PLO page lists early-bird pricing at $139/month for Premium and $179/month for Elite billed annually ($179 and $239 after early bird ends), with a free tier of one postflop spot and ten trainer hands a day. Two honest caveats: it's PLO4 only, with PLO5 and PLO6 "in development with no ETA" per their FAQ, and a year of PLO Premium costs about $1,668, which is three MonkerSolver licenses. Their NLHE product is priced separately; we keep a verified breakdown in our [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing). 4. Vision GTO Trainer — Monker sims, rented Vision, from Run It Once, is the purest "someone else ran the Monker sim" product: its solutions were generated in MonkerSolver, and you browse and train them in a browser. As of August 2026 it covers PLO4 at $199.99/month ($149.99/month billed annually), PLO5 at $249.99 ($187.49 annual) and PLO6 at $119.99 ($89.99 annual). It's the only alternative here with 5-card and 6-card libraries you can open today, and that's a real edge over GTO Wizard's 4-card-only catalog. There's no native mobile app, and the pricing means a serious PLO4 habit runs $1,800 a year. 5. PioSolver 3 — the Hold'em sibling, same DIY deal If your interest in Monker was NLHE rather than Omaha, PioSolver is the more common desktop pick: €450 for Pro or €800 for Edge plus tax, one year of updates, Windows only, no Omaha, and the identical blank-canvas workflow. Choosing between the two DIY solvers is a game-type question, and our [best poker solvers](https://gtogecko.com/blog/best-poker-solvers) roundup covers that fork in detail. Notably, Monker beats Pio on two counts: it runs natively on macOS, and it solves multiway. 6. GTOBase — a big presolved NLHE library GTOBase sells precomputed NLHE solutions across 6-max cash (NL50 to NL1000), MTT, Spin&Go and heads-up formats, in the browser and in mobile apps, at $150/month or $1,200/year. No PLO at all, so it only replaces Monker for Hold'em players, and at ten times GTO Gecko's all-games annual price it's aimed at players who want stake-specific rake-adjusted libraries. The Money, Side by Side First-year cost of MonkerSolver and alternatives, verified August 2026 First-year cost, verified August 29, 2026 Annual-billing rates × 12 for subscriptions; euro prices plotted at face value Vision GTO (PLO4) $1,799.88/yr GTO Wizard PLO $1,668/yr GTOBase $1,200/yr MonkerSolver €499 once PioSolver 3 Pro €450 once, + tax GTO Gecko $239.99/yr, all games PLO Gecko $119.99/yr, PLO4 + PLO5 GTO Wizard and Vision figures use early-bird / annual-billing rates; monthly billing costs more. MonkerSolver and PioSolver are one-time licenses, hardware not included. First-year cost across the roster. The one-time licenses look cheap until you price the machine they need; the browser platforms charge the other way around. One reading of this chart says Monker is the bargain, and for a sim producer it honestly is. The other reading: the two tools priced like apps rather than like laboratory equipment are ours, because precomputing solutions once and serving them to everyone is structurally cheaper than renting you a solving cluster or selling you a lab. Who Should Still Buy MonkerSolver Some players shouldn't switch, and pretending otherwise would make this page useless. Buy Monker if you produce study material for others, coach and need sims tailored to a student's games, play formats and configurations nobody precomputes, or simply enjoy the research itself. You'll need the hardware and the patience to build trees, and the €499 will be the smallest line on that budget. Try the free turn-and-river edition first; it's the cheapest possible test of whether you actually like solver work or just felt you should own one. Everyone else is buying reps, and reps come from a trainer with graded feedback, not from a solve queue. Switching from MonkerSolver: What You Keep, What You Lose What you keep: the concepts transfer completely. Range morphology, blocker logic, sizing trees, the discipline of checking your instinct against an equilibrium. A precomputed library expresses the same theory; you just stop being the person who computes it. What you lose: custom trees and custom stakes. If your game has a straddle, an unusual rake cap, or a five-way limped pot you're dying to understand, a fixed library won't solve that exact spot for you (GTO Gecko's cash trees do include a 200bb straddle profile, which almost nothing else precomputes). You also lose your existing sim files in the switch; nothing here imports Monker output except Vision's platform, which was built from it. What changes on day one: study stops requiring a desk. A Monker session is an evening; a [GTO Gecko](https://gtogecko.com/) or PLO Gecko session is a queue, a commute, or the fifteen minutes before a live session starts. Frequently Asked Questions Is MonkerSolver worth it in 2026? At €499 one-time, yes, for the specific person it serves: someone producing novel sims who owns capable hardware and will invest weeks learning tree construction. For a player who wants to improve at PLO or NLHE, a presolved library with a trainer delivers more improvement per hour and per dollar. Does MonkerSolver run on Mac? Yes. Monkerware lists Windows 64-bit and macOS with at least 8GB of RAM, which makes Monker one of the few native macOS solvers. PioSolver, by comparison, is Windows-only. Is there a MonkerSolver mobile app? No. There's no iOS or Android solver, and searching "monkersolver" on the App Store returns nothing related to poker. Monkerware's free MonkerViewer can display cloud-purchased preflop ranges, including on Android phones, but it's a viewer, not a solver or trainer. For native mobile GTO training, GTO Gecko covers Hold'em and PLO Gecko covers Omaha. What is the best MonkerSolver alternative for PLO? For training, PLO Gecko: PLO4 and PLO5 drills with EV feedback on iOS and Android at $119.99/year. For browser research with custom solving, GTO Wizard PLO at $139–$179/month billed annually, PLO4 only. For browsing Monker-generated sims including 5-card and 6-card, Vision at $89.99–$187.49/month billed annually. What does MonkerSolver actually cost all-in? The license is €499. The all-in cost adds a machine with enough RAM for the trees you want (8GB is the official floor; large preflop abstractions want far more), plus solve time. A free edition limited to turn and river solves costs nothing and is the right way to evaluate it. Can any alternative solve multiway pots like Monker? Solving arbitrary multiway trees remains Monker's home turf. What you can get elsewhere is multiway training: GTO Gecko's Elite tier ships a Multiway Trainer for 3-player single-raised pots, and our [multiway strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy) publishes the numbers on why multiway charts barely exist anywhere. Sources - [MonkerSolver product page](https://monkerware.com/solver.html) — license price, free version limits, system requirements, checked August 29, 2026 - [MonkerViewer](https://monkerware.com/viewer.html) — free viewer, cloud range access, checked August 29, 2026 - [GTO Wizard PLO](https://gtowizard.com/plo/) — early-bird pricing, free tier, PLO5/PLO6 status, checked August 29, 2026 - [PokerNews GTO Wizard PLO review](https://www.pokernews.com/poker-tools/gto-wizard/plo-solver.htm) — monthly-billing rates, checked August 29, 2026 - [PioSolver store](https://piosolver.com/products) — PioSolver 3 Pro/Edge pricing, checked August 29, 2026 - [PLO365 solver roundup](https://www.plo365.com/best-plo-solvers/) — Vision GTO per-variant pricing, checked August 29, 2026 - [GTOBase](https://gtobase.com/) — plan pricing and format coverage, checked August 29, 2026 - [PLO Gecko on the App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) — rating, free daily allowance, update date, checked August 29, 2026 All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by MonkerWare, GTO Wizard, Run It Once, PioSolver, or GTOBase. Pricing verified on the dates noted — check each vendor's site for current rates. Apple Ads figures come from our own account and are floors, not totals, because Search Match traffic carries no keyword attribution. ### How Many Trials Does a PLO5 or PLO6 Equity Calculator Need? https://gtogecko.com/blog/plo-monte-carlo-equity-accuracy In our six fixed-hand preflop tests, the widest 95th-percentile error for one estimate was about 1.00 percentage point at 10,000 Monte Carlo trials, 0.43 at 50,000, 0.31 at 100,000 and 0.14 at 500,000. PLO5 and PLO6 followed almost the same curve. When comparing two independently sampled estimates, uncertainty from both contributes, so this one-estimate error ladder is not a 95% cutoff for their difference. Rerun close comparisons, increase the trial count or use exact enumeration when it is practical. We obtained ground truth by evaluating every legal final board for three PLO5 matchups and three PLO6 matchups. We then generated 2,000 seeded estimates for every spot at each of six trial counts: 72,000 estimates in total . The hands, seeds, code and outputs are downloadable below. Disclosure: GTO Gecko publishes this article. OmahaCalc, discussed below, is also a GTO Solutions AS product. This study was generated separately for the article; it is not a benchmark of OmahaCalc or any other app. The examples are constructed study inputs, not observed hands or strategy recommendations. Practical reading of this test panel - 10,000 trials: useful for a quick estimate, but a one-point gap can still be sampling noise in a near-even spot. - 50,000 trials: the widest measured 95th-percentile error fell below 0.45 points. - 100,000 trials: the corresponding error was about 0.3 points. - 500,000 trials: it reached about 0.14 points, at 50 times the trial count of 10,000 trials. These are measurements from six disclosed spots, not universal guarantees. Range, multiway and unusual tie structures can behave differently. Measured Error From 10,000 to 500,000 Trials For each spot and trial count, we sorted the absolute difference between the Monte Carlo estimate and exact equity. The 95th percentile is a useful study benchmark: approximately 95% of that spot's seeded estimates were at or below that error. The chart shows the largest such value among the three spots in each variant. Largest per-spot 95th-percentile absolute error among three PLO5 and three PLO6 fixed-hand matchups. Each plotted maximum was selected from three spot-level percentiles; each spot-level percentile uses 2,000 seeded estimates. Exact equity came from every legal final board. On a narrow screen, scroll the table horizontally. Largest per-spot 95th-percentile absolute error in each three-spot variant panel Trials PLO5 error PLO6 error What changed from 10K 10,000 0.99 pp 1.00 pp Baseline 25,000 0.63 pp 0.59 pp About 1.6–1.7× narrower 50,000 0.43 pp 0.42 pp About 2.3× narrower 100,000 0.31 pp 0.29 pp About 3.3× narrower 250,000 0.20 pp 0.20 pp About 5× narrower 500,000 0.14 pp 0.14 pp About 7× narrower The pooled median error was much smaller: 0.287 points at 10,000 trials, 0.090 at 100,000 and 0.041 at 500,000. We lead with the wider per-spot 95th percentile because the median describes an ordinary run, not the less convenient run that makes the displayed equity jump. How to Choose a Trial Count Without Overreading the Result Start with the precision you need for one fixed-hand estimate. At 100,000 trials, a displayed 55.2% could still be a few tenths from exact equity in the widest spots in this panel. If two independent runs show 55.2% and 55.4%, both estimates carry sampling uncertainty; the 0.2-point gap is not resolved merely because either run used 100,000 trials. - Use 10,000 trials to orient yourself. In this panel, it put 95% of individual estimates within about one percentage point even in the widest near-even spots. - Use 50,000 to 100,000 for tighter single-estimate precision. The measured 95th-percentile error for one estimate was about 0.42–0.43 points at 50,000 and 0.29–0.31 at 100,000. - Use 250,000 to 500,000 when a few tenths matter. The one-estimate error narrowed to about 0.20 and 0.14 points respectively, but it did not disappear. Comparing two sampled outputs still requires accounting for both. - Prefer exact enumeration for a tractable fixed-hand spot. A deterministic answer is better than spending more samples to approximate a state space you can enumerate. Do not turn those steps into a universal preset. A simulator that samples opponent ranges, dead cards, multiple players or two boards has a different model. Also keep raw equity separate from expected value: a more precise showdown percentage does not add position, stack depth, future betting, rake or opponent actions. Our [poker equity explainer](https://gtogecko.com/blog/poker-equity-explained) covers that distinction. Why Four Times the Trials Only Halves the Error A Monte Carlo equity estimate is an average. Give a win a score of 1, a tie 0.5 and a loss 0. The estimate is the mean of those scores. The standard error of a sample mean falls in proportion to 1 / √N , where N is the number of trials. NIST's guidance on confidence limits for a mean shows the same square-root term. That creates diminishing returns. To cut sampling error in half, you need roughly four times as many trials. Moving from 10,000 to 100,000 uses ten times the trial count, but the expected error scale shrinks by only √10, or about 3.16. Our measured widest-spot result moved from about 1.00 point to about 0.30, almost exactly that pattern. The interval calculation also passed a useful calibration check. Pooling six spots at each of six trial counts, the approximate 95% intervals contained exact equity in about 95.0% to 95.5% of the 12,000 estimates at each count. A 95% interval is not a 95% promise about one completed run; it describes a method that should cover the fixed truth about 95% of the time over repeated samples. See NIST's [confidence-interval explanation](https://www.itl.nist.gov/div898/handbook/prc/section1/prc14.htm) for that repeated-sampling interpretation. How We Built an Exact PLO5 and PLO6 Oracle [PokerStars' published Omaha rules](https://www.pokerstars.com/poker/games/omaha/) require exactly two hole cards and exactly three community cards in the final five-card hand. Its [five-card PLO guide](https://www.pokerstars.com/poker/learn/strategies/how-to-play-5-card-pot-limit-omaha/) and [six-card Omaha rules](https://www.pokerstars.com/poker/games/omaha/6-card/) confirm that the same construction applies after adding a fifth or sixth hole card. We applied that rule to PLO5 and PLO6 high with one standard 52-card deck. - PLO5: two known five-card hands remove ten cards. The remaining 42 cards make C(42, 5) = 850,668 unordered final boards. - PLO6: two known six-card hands remove twelve cards. The remaining 40 cards make C(40, 5) = 658,008 boards. PLO6 has fewer possible boards here because more hole cards are already known, but each player has more two-card hole combinations to evaluate: 15 instead of 10. We did not time either evaluator, so the board counts say nothing about which variant is faster in a particular tool. Every unordered final board is equally weighted because each one has the same 120 possible deal orders. For every board we compared the best legal Omaha hand for both players, counted wins, ties and losses, and awarded half a unit for a tie. This is complete enumeration, not sampling. The exact totals from the two independent implementations matched in all six spots. Constructed preflop test panel and exhaustive hero equity Spot Hero Villain Wins / ties / losses Exact equity P5-A A♠ A♥ K♠ K♥ Q♣ J♣ T♣ 9♦ 8♦ 7♥ 469,214 / 66 / 381,388 55.1622% P5-B A♠ K♠ Q♥ J♥ T♣ A♦ K♦ Q♣ J♣ 9♠ 294,553 / 298,784 / 257,331 52.1878% P5-D A♠ A♥ K♠ K♥ Q♣ 2♣ 2♦ 2♥ 3♠ 4♠ 669,638 / 0 / 181,030 78.7191% P6-A A♠ A♥ K♠ K♥ Q♣ J♣ T♣ 9♣ 8♦ 7♦ 6♥ 5♥ 359,603 / 0 / 298,405 54.6502% P6-B A♠ K♠ Q♠ J♥ T♥ 9♦ A♦ K♦ Q♦ J♣ T♣ 8♣ 225,107 / 255,322 / 177,579 53.6115% P6-D A♠ A♥ K♠ K♥ Q♣ J♣ 2♣ 2♦ 2♥ 2♠ 3♦ 4♦ 533,331 / 0 / 124,677 81.0524% The labels describe roles rather than a sequence: A is the widest near-even case, B is deliberately chop-heavy, and D means a deliberately lopsided synthetic stress test with clustered low pairs. The panel spans different outcome variances, but it is not a sample of the whole PLO hand space and should not be read as a starting-hand ranking. For that separate job, see our [PLO starting-hand guide](https://gtogecko.com/blog/plo-starting-hands). Chops Matter More to Precision Than the Variant Label The widest spots were P5-A and P6-A: both were near 50–55% equity and almost never tied. At 10,000 trials their 95th-percentile errors were 0.99 and 1.00 points. The chop-heavy P5-B and P6-B spots came in at 0.76 and 0.75 points. Why? A tie always contributes 0.5, exactly in the middle. A stream with many ties varies less than a stream that swings mostly between 0 and 1. Lower outcome variance means a narrower sampling distribution at the same N. That is also why the lopsided D spots converged faster than the near-even A spots. This explains the near overlap between the PLO5 and PLO6 curves. The number of hole cards does not by itself set Monte Carlo sampling error. For a fixed scenario, the win/tie/loss distribution and the number of independent trials do. PLO6 can require more computation per evaluated board, but runtime was outside this study. What We Simulated—and What We Did Not After exact enumeration, each Monte Carlo replication sampled the exact win/tie/loss distribution for its spot. That is statistically equivalent to drawing five distinct cards within a uniformly random legal board, replacing the board before the next independent trial, and retaining only whether Hero won, tied or lost. We used NumPy 2.2.3's PCG64 generator with a published deterministic seed for every spot and setting. A separate card-level check sampled and evaluated 25,000 actual legal boards in each spot; all six estimates were within 1.41 standard errors of exact equity. A method that avoids duplicate boards within a run would have a narrower error profile, especially as its sample approaches the finite board count, so this ladder should not be transferred to that design unchanged. The study does not test: - unknown hands, opponent ranges or range weighting; - multiway pots, double boards, dead cards or Omaha Hi-Lo; - device speed, app output or any specific implementation; - position, betting, fold equity, rake, equity realization or decision EV; - a universal worst-case bound beyond these six constructed spots. If only one or two cards remain, exact enumeration may be small enough to prefer. Our [PLO wraps study](https://gtogecko.com/blog/plo-wraps-guide), for example, evaluates all 820 turn-and-river combinations in its fixed flop cases. Monte Carlo earns its keep when the complete state space becomes too large or the model includes ranges and more players. Where OmahaCalc Fits The [official US App Store listing for OmahaCalc](https://apps.apple.com/us/app/omahacalc-plo5-6-poker-equity/id6759628690), checked August 29, 2026, describes PLO5 and PLO6 Monte Carlo equity calculations with known hands and board cards, plus multi-player calculations, ranked-hand browsing, percentile filters and range analysis. We did not feed this study's hands into the app, inspect its output or measure its performance. The useful habit applies to any Monte Carlo calculator: record the model, trial count and result; keep more digits in the calculation than in the conclusion; and rerun or increase N when the gap you care about is close to the measured error scale. Use calculation tools as off-table study aids and follow the rules of the game or platform where you play. Download the Data and Reproduce the Study The primary enumerator uses the open-source [PH Evaluator](https://github.com/HenryRLee/PokerHandEvaluator) for five-card ranks. A second implementation uses an independently written pure-Python rank tuple and a different dictionary-based board scorer. It checked every one of the 2,598,960 five-card combinations, all 7,462 distinct rank classes and every board in all six matchups. It also checked suit isomorphism, player-swap accounting, board order, duplicate cards, wheel straights, full houses and kickers. - [Exact hands, wins, ties, losses and equities (CSV)](https://gtogecko.com/data/plo-monte-carlo-exact-matchups.csv) - [Every per-spot, per-variant and pooled error summary (CSV)](https://gtogecko.com/data/plo-monte-carlo-error-summary.csv) - [All 72,000 replication rows (compressed CSV)](https://gtogecko.com/data/plo-monte-carlo-replicates.csv.gz) - [Machine-readable inputs, seeds, results, checksums and limitations (JSON)](https://gtogecko.com/data/plo-monte-carlo-study.json) - [Primary generator (Python)](https://gtogecko.com/data/plo-monte-carlo-generate-study.py) and [independent verifier (Python)](https://gtogecko.com/data/plo-monte-carlo-verify-study.py) - [Pinned Python dependencies](https://gtogecko.com/data/plo-monte-carlo-requirements.txt) and [verification report](https://gtogecko.com/data/plo-monte-carlo-independent-verification.json) Download the two scripts, requirements file and exact-matchup CSV into one folder. After installing the pinned requirements, run the generator and verifier from that folder; both write regenerated artifacts to plo-monte-carlo-output . A full run exhaustively evaluates all six matchups, so it can take several minutes. PLO Monte Carlo Accuracy FAQ Is 10,000 Monte Carlo trials enough for PLO equity? It was enough for a quick estimate in this panel: even the widest spots had a 95th-percentile absolute error of about one percentage point. It was not enough to resolve a difference of a few tenths reliably. Your required precision and model matter more than a universal preset. Why does the same hand show a different equity on repeated runs? Monte Carlo samples random legal outcomes. Different samples contain slightly different proportions of wins, ties and losses, so their means move around the fixed true equity. More trials narrow that movement; they do not make one sampled result exact. Does PLO6 need more trials than PLO5? Not automatically. In these six fixed-hand spots, the PLO5 and PLO6 error curves were nearly identical. Sampling precision depended on outcome variance and N. PLO6 has more legal two-card choices inside each hand, which can affect computation time, but this study did not benchmark speed. Is exhaustive equity always better than Monte Carlo? It is preferable when the exact state space is tractable and the model is correct. Monte Carlo becomes useful when ranges, more players or more unknown cards make full enumeration expensive. An exact answer to the wrong range assumption is still the wrong model. Does a more precise equity estimate tell me the correct poker action? No. This experiment measures showdown equity for fixed hands. A decision also depends on ranges, pot odds, position, stack depth, future actions, folds and sometimes rake or tournament payouts. Precision in one input is not a complete strategy. Sources and method references - [Apple App Store: OmahaCalc](https://apps.apple.com/us/app/omahacalc-plo5-6-poker-equity/id6759628690) — current public product evidence, accessed August 29, 2026. - [PokerStars: Omaha rules](https://www.pokerstars.com/poker/games/omaha/), [five-card PLO rules](https://www.pokerstars.com/poker/learn/strategies/how-to-play-5-card-pot-limit-omaha/) and [six-card Omaha rules](https://www.pokerstars.com/poker/games/omaha/6-card/) — accessed the same day. - [NIST/SEMATECH: confidence limits for a mean](https://www.itl.nist.gov/div898/handbook/eda/section3/eda352.htm) and [confidence-interval interpretation](https://www.itl.nist.gov/div898/handbook/prc/section1/prc14.htm) — accessed the same day. - [NumPy 2.2: PCG64](https://numpy.org/doc/2.2/reference/random/bit_generators/pcg64.html) and [multinomial sampling](https://numpy.org/doc/2.2/reference/random/generated/numpy.random.Generator.multinomial.html) — accessed the same day; the bundle pins NumPy 2.2.3. - [PH Evaluator source repository](https://github.com/HenryRLee/PokerHandEvaluator) — accessed the same day; the bundle pins phevaluator 0.6.0. ### Board Texture in Poker: How to Read Any Flop, With Real Numbers https://gtogecko.com/blog/board-texture-strategy Board texture is how the three flop cards interact with the ranges that see them: their suits, their pairing, how high they are, and how close together they sit. Those four properties decide who just connected, who should bet, and how big. The short version: two thirds of all flops contain a jack or higher, over half are two-tone, one in six is paired, and only 5.2% are monotone. Read those four things in order on every flop and the texture read stops being a feel thing and starts being a checklist. Every number in this article is measured, not quoted from somewhere else. We classified all 22,100 possible flops with the board classifier that ships inside GTO Gecko, then took the button-open and big-blind-call ranges from the app's own solved preflop database and counted what each range actually holds on five very different flops. Disclosure: we build GTO Gecko, and the method is described below so you can check it. What board texture means A flop like K ♠ 7 ♥ 2 ♦ and a flop like J ♠ T ♠ 9 ♥ are both "king high" and "jack high" if you only look at one card. As textures they're opposites. On the first, almost nothing changed: nobody has a straight, nobody has a flush draw, and whoever had the best hand preflop still has it. On the second, every range in the game just got reshuffled: made straights exist, flush draws exist, and hands as strong as an overpair are suddenly one card from being dead. That's the real definition: texture is the amount of interaction between the board and the hands people actually get to the flop with. It's why the same c-bet that prints money on one flop burns it on another, and it's the first read to make before any [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet) decision. The four things to read on every flop GTO Gecko's analysis code tags every board on four independent axes. It's a useful checklist precisely because the axes don't overlap: a flop can be high and dry, high and wet, low and paired, and each combination plays differently. Axis Classes What it tells you Suits Rainbow, two-tone, monotone Whether flush draws (or made flushes) are in play Pairing Unpaired, paired, trips Whether trips and full houses exist, and how much everyone's equity is frozen Highest card Jack-high or better, 7- to T-high, 6-high or lower Which range the top card hits: raising ranges are stuffed with big cards, calling ranges less so Connectedness Connected, open-ended draw possible, disconnected How many straight draws the board just dealt out Run K ♠ 7 ♥ 2 ♦ through it: rainbow, unpaired, jack-high or better, disconnected. Nothing to draw at. Now J ♠ T ♠ 9 ♥ : two-tone, unpaired, jack-high or better, connected. Same "high card" class, completely different flop. What the 22,100 flops actually look like There are exactly 22,100 distinct three-card flops in Hold'em. We classified all of them on the four axes above. If your instincts about "normal" flops disagree with this chart, your instincts are what's off. All 22,100 flops classified: 55.1% two-tone, 82.8% unpaired, 67.7% jack-high or better, 69.6% with an open-ended draw possible Suits Rainbow 39.8% Two-tone 55.1% Monotone 5.2% Pairing Unpaired 82.8% Paired 16.9% Trips 0.24% Highest card Jack-high or better 67.7% 7- to T-high 27.2% 6-high or lower 5.2% Connectedness (unpaired flops) Connected 22.4% Open-ended draw possible 69.6% Disconnected 8.0% All 22,100 possible flops, classified with GTO Gecko's four-axis board classifier. The connectedness row is measured over the 18,304 unpaired flops. A few of these surprise almost everyone: - 67.7% of flops contain a jack or higher. "The flop came high" is not bad luck for your 87s, it's Tuesday. Only 5.2% of flops are 6-high or lower. - Two-tone is the majority texture at 55.1%. The clean rainbow boards in training material are 39.8% of reality, and a flush draw or made flush is possible on 60.2% of all flops. - One flop in six (17.2%) is paired , counting the 0.24% that come as trips. - Truly disconnected boards are rare. Among unpaired flops, only 8.0% have no two cards close enough to build an open-ended draw. The K ♠ 7 ♥ 2 ♦ class of flop feels common because it's memorable, not because it's frequent. - The stereotype "dry" flop is real but a minority: jack-high-or-better, unpaired, rainbow describes 21.9% of flops. One classifier quirk worth knowing: the connectedness axis counts the wheel. A ♥ 7 ♦ 2 ♠ looks bone dry, but any hand with a 3, 4 or 5 in it has gutshot real estate through the ace, so the classifier refuses to call it disconnected. That's technically right, and it's a good habit: "dry" is a spectrum, and an ace-high board always has a low tail. If you want to poke at boards like this yourself, the solver view in [GTO Gecko](https://play.gtogecko.com/) lets you set up any flop and see both ranges' strategy on it directly. Range advantage, measured on real solved ranges Texture talk gets hand-wavy fast: "this board favors the raiser" is repeated everywhere and quantified almost nowhere. So we measured it. We took the button's 2.5bb opening range (43.7% of hands) and the big blind's calling range (29.8%) from GTO Gecko's solved 8-max 100bb cash database, the same no-ante, 5%-rake solution the app's charts display, and counted what each range holds on five flops chosen across the texture families. Before measuring anything we reproduced the frequencies the app's store screenshots print (UTG opens 13.9%, button 43.7%), and every number below was computed twice in two independent implementations that agree exactly. Flop Texture BTN: top pair or better BB: top pair or better BTN: no pair, no draw BB: no pair, no draw K ♠ 7 ♥ 2 ♦ Rainbow, disconnected 21.1% 15.8% 59.5% 63.0% A ♥ 7 ♦ 2 ♠ Rainbow, dry 28.9% 26.3% 51.5% 52.9% Q ♥ 8 ♥ 3 ♥ Monotone 25.6% 23.9% 31.5% 34.2% 7 ♠ 6 ♠ 5 ♥ Two-tone, connected 18.2% 17.8% 31.7% 29.8% J ♠ T ♠ 9 ♥ Two-tone, connected 25.7% 22.5% 15.8% 11.9% "Top pair or better" counts overpairs, top pair, two pair and everything above. "No pair, no draw" means no pair of your own, no flush draw, and not even a gutshot. Two findings in that table are worth the whole article. On dry, high boards the caller is capped, not crushed On K ♠ 7 ♥ 2 ♦ the button holds top pair or better 21.1% of the time against the big blind's 15.8%. That gap matters, but the bigger asymmetry is in the hands above top pair: the big blind 3-bets 100% of its JJ+, AKs and AKo before the flop ever comes, so its calling range arrives with literally zero overpairs on this board. The strongest pocket pair that flat-calls at any real frequency is TT, about a third of the time. The button, meanwhile, still has every AA combo it opened. That's what "range advantage" physically is: one player's range contains a class of hands the other player's range cannot contain. It's also why the standard play here is a small bet at very high frequency, and why [check-raising](https://gtogecko.com/blog/check-raise-strategy) a board like this from the big blind is mostly theater. The measured shape of "this board favors the raiser" K ♠ 7 ♥ 2 ♦ , button opens 2.5bb, big blind calls. Button: 21.1% top pair or better, including every overpair in the game. Big blind: 15.8% top pair or better, zero overpairs, and 63.0% of its range has no pair and no draw at all. The in-app theory text for GTO Gecko's Board Texture Mastery module summarizes it in one line: dry boards favor the preflop raiser and support high c-bet frequencies. Wet middle boards flip the script Now look at J ♠ T ♠ 9 ♥ . The button still has slightly more top-pair-or-better (25.7% vs 22.5%), but the whiff column inverts: the raiser now misses more often than the caller , 15.8% total air against 11.9%. The big blind's calling range is built from exactly the middling, suited, connected cards this flop smashes; 88.1% of it flops a pair or a draw. The same inversion shows up on 7 ♠ 6 ♠ 5 ♥ (31.7% air vs 29.8%). On boards like these the "I raised preflop, so I bet the flop" reflex is exactly backwards, and the standard adjustment is the one in the strategy section below: check much more, and size up when you do bet. Share of each range that completely misses: 59.5% vs 63.0% on K72 rainbow down to 15.8% vs 11.9% on JT9 two-tone BTN opening range BB calling range - - - - - - - 0% 10% 20% 30% 40% 50% 60% 70% 59.5 63.0 51.5 52.9 31.5 34.2 31.7 29.8 15.8 11.9 - K72 rainbow, dry A72 rainbow, dry Q83 monotone 765 two-tone, connected JT9 two-tone, connected Share of each range with no pair and no draw, button open vs big blind call, 8-max 100bb cash. On the two connected boards the raiser misses more often than the caller. The monotone board sits in between. On Q ♥ 8 ♥ 3 ♥ , 28.4% of the button's range has a flush draw (and another 9.1% already has two pair or better, flushes included). Almost nobody has nothing, which is why monotone strategy is small bets and a lot of caution: everyone has a piece, and the piece sizes are volatile. Paired boards: the whiff-fest K ♥ K ♠ 7 ♦ deserves its own paragraph because the categories collapse there. Nobody has "top pair"; you either connected with the board's five remaining K and 7 cards, hold a pocket pair, or you have nothing. Measured on the same ranges: the button holds trips or better 13.7% of the time, the big blind 10.7%, and roughly two thirds of both ranges (66.3% and 67.3%) have no pair of their own and no draw. When both players miss this often, fold equity is cheap, which is why solvers bet paired boards frequently and small. [SplitSuit's paired-board guide](https://www.splitsuit.com/poker-paired-boards-textures) lands on the same two facts from the population side: trips-or-better is rare, totally missing is common, and the players who fold too often against those cheap bets are the ones paying for it. From texture to strategy: frequency and size You don't need to memorize per-flop strategies to use any of this. Two principles, stated cleanly in [GTO Wizard's piece on c-bet mechanics](https://blog.gtowizard.com/the-mechanics-of-c-bet-sizing/) and visible in every table above, carry most of the weight: - Range advantage sets how often you bet. The wider the gap between your range and theirs on this texture, the more of your range gets to bet. K72 rainbow: bet a lot. JT9 two-tone: check a lot, whoever you are. - Nut advantage sets how big you bet. When only you can hold the overpairs and sets, you can size up and put maximum pressure on capped ranges. When the caller holds the straights (765, JT9), your big-bet privileges are revoked. GTO Gecko's own training module for this ships with the same two takeaways: on dry, disconnected boards, bet small and frequently; on wet, connected boards, bet larger but less often. Our numbers above are the reason those lines are true. If your c-bet uses one size on every board, [your sizing](https://gtogecko.com/blog/poker-bet-sizing-strategy) is donating EV in both directions: too big on the boards where every worse hand folds anyway, too small on the boards where draws get a price. The last texture skill is thinking a street ahead. Boards are static or dynamic: on a static A-9-3 rainbow, the hand that's best now is usually still best on the river; on a dynamic board, [as Tournament Poker Edge puts it](https://www.tournamentpokeredge.com/static-and-dynamic-board-textures-in-poker/), equities are very likely to change on the next card. Measured across GTO Gecko's canonical flop set, the turn pairs the board 18.4% of the time and puts a third card of one suit out there 14.5% of the time, numbers we dug into in the [probe betting article](https://gtogecko.com/blog/probe-betting-strategy). A hand that's happy on the flop but hates half the deck on the turn should usually bet now, and that read is pure texture. Does your study set match reality? For a strong-hand decision on the next street, see [what a free card risks when slow playing](https://gtogecko.com/blog/slow-playing-poker). Its four exposed-card examples distinguish an opponent completing a draw from actually overtaking you, then identify the betting-response information still needed. One more measurement, because it answers a fair question about training tools: if you drill on a curated set of flops, are you seeing the real game or a designer's taste? GTO Gecko's trainer rotates through a canonical set of 109 flops. Here's that set against the full 22,100: Texture class All 22,100 flops The 109 training flops Jack-high or better 67.7% 67.0% 7- to T-high 27.2% 28.4% 6-high or lower 5.2% 4.6% Paired 17.2% 18.3% Two-tone 55.1% 54.1% Rainbow 39.8% 39.4% Monotone 5.2% 6.4% Connected 28.8% 31.2% Open-ended draw possible 57.6% 53.2% Disconnected 13.6% 15.6% Every class lands within 2.5 percentage points of the true distribution except open-ended-draw boards, which sit 4.4 points light. The deck you drill against is, to within a couple of points, the game you'll actually be dealt. We didn't know that number before running this analysis, and we were prepared to publish it either way. Drilling board textures Reading one article recalibrates your priors; it doesn't build the reflex. The reflex comes from seeing a flop, making the four reads, acting, and being told immediately whether you were right, a few hundred times. GTO Gecko is a mobile GTO poker solver and trainer for iOS, Android and browser. Its cash postflop track includes a Board Texture Mastery module, described in-app as "master strategy across different board textures", which rotates the same spots across the flop families in this article, and the solver lets you set up any flop and see both ranges' full strategy on it. The [postflop features guide](https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide) walks through both. Postflop access comes with any active paid plan: the cash plan is $24.99 a month or $149.99 a year, and all four game types together are $39.99 a month or $239.99 a year. GTO Gecko is free to download on [iOS](https://apps.apple.com/app/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), and runs in a browser at [play.gtogecko.com](https://play.gtogecko.com/). Still comparing tools? We priced the whole field in [best poker solver apps](https://gtogecko.com/blog/best-poker-solver-apps), and [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the study workflow that makes texture work stick. Frequently asked questions What is board texture in poker? Board texture is the character of the community cards: their suits, pairing, height and connectedness, and how those interact with the ranges of hands players get to the flop with. Texture decides which player's range the flop favors, and with it the correct betting frequency and size. What is the difference between a dry board and a wet board? A dry board offers few or no draws (K72 rainbow: no flush draw, no open-ended straight draw). A wet board offers many (JT9 two-tone: made straights, flush draws, open-enders everywhere). Measured across all 22,100 flops, genuinely dry boards are the minority: only 8.0% of unpaired flops are fully disconnected, and 39.8% of all flops are rainbow. How often is the flop monotone? 5.2% of all flops, about one in 19. Two-tone flops are the most common suit texture at 55.1%, and rainbow flops make up the remaining 39.8%. So a flush draw is possible, or a flush already made, on just over 60% of flops. How often does the flop come paired? 17.2% of the time, about one flop in six. That includes the 0.24% of flops that come as trips. On paired boards most of both ranges misses: on K-K-7 roughly two thirds of both a button opening range and a big blind calling range have no pair and no draw. Which board textures favor the preflop raiser? High, dry, unpaired boards. On K72 rainbow the button's opening range holds top pair or better 21.1% against the big blind's 15.8%, and the caller has zero overpairs because those hands 3-bet preflop. Middle connected boards are the caller's territory: on JT9 two-tone the raiser completely misses more often than the caller (15.8% vs 11.9%). What is a static vs a dynamic board? A static board is one where the best hand rarely changes on later streets (A93 rainbow); a dynamic board is one where equities swing card to card (765 two-tone). Dynamic boards reward betting your good-but-vulnerable hands now, both for protection and because the turn so often kills your action or your hand. Sources - GTO Gecko flop census — all 22,100 possible flops classified with the app's four-axis board classifier (suits, pairing, highest card, connectedness). Computed twice in independent implementations; measured August 28, 2026 - GTO Gecko solved preflop database — 8-max 100bb cash, no ante, 5% rake capped at 4bb, 2.5bb opens. Button opening range (43.7%) and big blind calling range (29.8%); validated by reproducing the app's published UTG 13.9% / BTN 43.7% frequencies before measurement. Measured August 28, 2026 - GTO Gecko canonical training flop set — 109 flops, compared class by class against the full flop distribution. Measured August 28, 2026 - [GTO Wizard — The Mechanics of C-Bet Sizing](https://blog.gtowizard.com/the-mechanics-of-c-bet-sizing/) - [GTO Wizard — Flop Heuristics: IP C-Betting in Cash Games](https://blog.gtowizard.com/flop-heuristics-ip-c-betting-in-cash-games/) - [SplitSuit — Paired Boards & Textures Strategy](https://www.splitsuit.com/poker-paired-boards-textures) - [PokerStrategy — Poker Basics: Board Texture](https://www.pokerstrategy.com/news/content/Poker-Basics-Board-Texture_118938/) - [Tournament Poker Edge — Static and Dynamic Board Textures](https://www.tournamentpokeredge.com/static-and-dynamic-board-textures-in-poker/) ### Poker Side Pot Calculations: Eligibility, Equity and Call EV https://gtogecko.com/blog/side-pot-equity-calculation [日本語で読む](https://gtogecko.com/ja/blog/side-pot-equity-calculation) For every side pot, separate its size from the players eligible to win it. When reviewing a call, calculate equity (expected share) separately too. Multiplying the total pot by your chance of beating both opponents misses outcomes where you lose the main pot but win the side pot. We first divide contributions of 50, 200 and 200 chips, then check every one of 42 possible rivers in a fully specified hand. This is an off-table study exercise. The examples are constructed to explain the accounting, not observed hand histories or player data. If the disputed hand includes one or more incomplete all-ins, settle the action sequence before building pots. Our [short-all-in reopening ledger](https://gtogecko.com/blog/short-all-in-reopen-betting) tracks raise rights player by player; this page begins only after every action and contribution is known. Disclosure: GTO Gecko publishes this article. Felted, discussed below, is also a GTO Solutions AS product. We calculated the results independently for this article; they are not app-performance or earnings data. 50, 200 and 200 Chips Make a 150 Main Pot and a 300 Side Pot Suppose A contributes 50 chips to the whole hand, B contributes 200, and you contribute 200. A is all-in and nobody has folded. Assume no ante or rake. These totals include chips already posted or bet, including the blinds. - Main pot: 50 × 3 players = 150 chips. A, B and you are eligible. - Side pot: (200 − 50) × 2 players = 300 chips. Only B and you compete for it. Even if A has the strongest hand, A can receive only the 150-chip main pot. Compare B's hand with yours for the other 300 chips. [PokerStars' official explanation](https://www.pokerstars.com/help/articles/poker-rules-master/217425/) establishes contributor eligibility for a side pot. [Zynga's Japanese help page](https://zyngasupport.helpshift.com/hc/ja/27-zynga-poker/faq/11284-how-are-side-pots-formed/?l=ja) provides another unequal-contribution example. Even with the best hand, A can win only the bottom layer's 150 chips. B and you contest the upper layer's 300. Total: 450 chips. A Worksheet for Reconstructing a Hand - Write each player's whole-hand contribution. This is not just the current street's bet or the remaining stack. Keep folded players' contributions. - Sort the contribution levels, starting from zero: 0 → 50 → 200. Multiply each interval's height by the number of players who contributed at least its upper limit. - List the eligible players for each pot. They contributed at least that interval's upper limit and have not folded. - Return an unmatched top layer. An amount contributed by only one player is uncalled excess, not a contested pot. - Reconcile the total. All pots plus all refunds must equal all original contributions. With contributions of 50, 120 and 200, the layers are 50 × 3 = 150, then (120 − 50) × 2 = 140. The final 200 − 120 = 80 is returned. 150 + 140 + 80 = 370 chips , matching 50 + 120 + 200. After excluding uncalled returns, adjacent contested layers with the same eligible players can be combined. To use this method on your own hand, copy the [plain-text review worksheet](https://gtogecko.com/data/side-pot-worksheet-en.txt) and enter contributions, fold status and each pot's participants. Use this record for each pot: Fields to record for every pot Pot size → eligible players → your equity → pot size × equity Record unmatched refunds and the extra call cost separately. Where an opponent's hand is unknown, also record the assumed range and why you chose it. One Hand, Two Different Equities Equity is your expected fraction of a particular pot after the remaining cards are dealt. It includes your share of ties, not just outright wins. Side pots change the set of hands you must beat. A constructed turn example: No-Limit Hold'em, one board Board: J♣ 7♦ 2♠ 4♥ A (SB): A♠ A♥ B (BB): Q♠ Q♥ You (BTN): K♠ K♥ A is already all-in for a total of 50 chips. B and you have each contributed 50 and each have 150 left. B shoves 150 on the turn; you face a 150-chip call. Calling closes all betting and creates the 150 main pot and 300 side pot. This is a retrospective exercise with all hands known after the hand, not a claim that you can see AA and QQ when deciding. Ante and rake are zero; tournament payout equity is not modeled. Six hole cards and four board cards are known. Excluding those ten known cards gives 52 − 6 − 4 = 42 possible river candidates . Both pots use that same set of cards. On a narrow screen, scroll the tables horizontally. Every river grouped into three outcomes River Cards Main Side Chips you receive K♣ or K♦ 2 You You 450 Q♣ or Q♦ 2 B B 0 Any other river 38 A You 300 A king makes your set win both pots; a queen makes B's set win both. On every other river, AA wins the main pot and KK beats QQ for the side pot. If you need to check the hand comparison, see our [poker hand rankings reference](https://gtogecko.com/blog/poker-hand-rankings-guide). Your main-pot equity is therefore 2 / 42 = 4.76% , while your side-pot equity is 40 / 42 = 95.24% . Being far behind in the main pot does not finish the calculation. Call EV: Expected Receipts From Each Pot Minus the Extra Call When calling ends the betting and fixes the pot sizes, add the expected receipts from each pot. The main- and side-pot outcomes do not need to be independent. Expected chips received (including your contributed chips) (2 / 42) × 150 + (40 / 42) × 300 = about 292.86 chips Incremental call EV 292.86 − 150 = about +142.86 chips Subtract the 150 chips you must pay now. Subtracting your earlier 50 again confuses the current call decision with the whole hand's net result. The [current-state pot-commitment test](https://gtogecko.com/blog/pot-committed-poker) isolates that distinction with two different histories that reach one identical call. The +142.86 here is incremental expected value relative to folding at this decision, not a guaranteed or literal payout. If you fold, B's new 150 chips are uncalled and return to B. A and B contest the existing 150 main pot; your whole-hand net is −50 chips. If you call, your whole-hand expected net is 292.86 − 200 = about +92.86 chips. The difference, 92.86 − (−50) = about +142.86 chips , is the incremental value of calling now. The incorrect shortcut uses your 4.76% chance of beating everyone for the whole 450-chip pot: (2 / 42) × 450 − 150 = about −128.57 chips . It omits all 38 rivers on which A beats you but you beat B and receive 300 chips. Check the Side-Pot Break-Even Point Holding main-pot equity at 2 / 42, zero call EV requires side-pot equity of (150 − (2 / 42) × 150) / 300 = 10 / 21 ≈ 47.62% . Subtract the expected main-pot receipts from the extra call, then divide by the side pot. The 40%, 50% and 60% rows below are hypothetical sensitivity inputs, not results for the actual hands above or solver output. Main pot 150, side pot 300, extra call 150 chips; main equity fixed at 2 / 42 Side-pot equity Incremental call EV 40% (hypothetical) −22.86 chips 50% (hypothetical) +7.14 chips 60% (hypothetical) +37.14 chips 40 / 42 ≈ 95.24% (worked hand) +142.86 chips Folded Chips, Ties and Refunds Folded Contributions Do Not Disappear Add a player D who contributed 100 chips and then folded to the original 50/200/200 example. The main pot becomes 50 × 4 = 200 chips , and the remaining side pot is 350 chips . D's 100 stays in the pots, but D cannot win either. A player cannot fold just the side pot while retaining a live claim to the main pot. Split Each Pot Independently Consider a different showdown with the original 150/300 pots. If A is strongest and B and you have equally strong hands, A receives the main pot's 150, while B and you divide the 300 side pot into 150 each. [Poker TDA Rule 21](https://www.pokertda.com/view-poker-tda-rules/) requires separate side-pot splits. Physical odd chips follow the applicable event or house rule. Fractions in an expected-value calculation do not mean physically dividing a chip into fractions. Separate Uncalled Excess From Matched Chips Only the uncalled excess is returned. Folding later does not refund chips already matched by another player. TDA Rules 15B and 65A distinguish these amounts. Where This Model Stops - Unknown opponents require ranges. A result against precisely AA and QQ is not a call instruction against an unknown opponent. - Keep A's known cards out of the side-pot deck. Removing A from the eligible winners does not put A♠ and A♥ back into the deck. Simply deleting A from a heads-up calculator changes the conditions. - Future betting needs a fuller model. Future costs, folds and paths that enlarge the pots are absent here. When no side pot exists yet and two live players can still bet, use our [dry-side-pot decision tree](https://gtogecko.com/blog/dry-side-pot-poker) to separate check, bet/fold and bet/call settlements. - Chip EV is not prize EV. ICM, bounties and rake are not part of this calculation. Multiple boards require separate settlement rules; our exact [run-it-twice EV and variance study](https://gtogecko.com/blog/running-it-twice-poker-ev) isolates the simpler heads-up, one-pot case. - Antes and unusual rulings need separate treatment. Do not enter a pooled payment such as a big-blind ante as an ordinary personal bet in this worksheet. Practice Reconstructing Contributions From Felted's Hand History The [Japanese App Store listing for Felted](https://apps.apple.com/jp/app/felted-texas-holdem-poker/id6759221162) describes Texas Hold'em against AI and hand history with full action logs. On August 28, 2026, the listed version was 1.6.0 and its Languages field listed English and Spanish. Its chips have no cash value and cannot be cashed out. Choose a completed practice hand, write each player's total contribution, then separate the pots and eligible players. This is manual work alongside the history, not a claim that the app lets you enter this exact scenario or calculates this article's side-pot EV. Our [guide to building poker practice drills](https://gtogecko.com/blog/how-to-practice-poker) covers the wider study routine. Use calculation tools away from the table. Follow the event's rules; our [guide to solvers and real-time assistance](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) explains the study-versus-play distinction. Method, Data and Sources We placed each of the 42 remaining cards on the river and evaluated all 21 five-card subsets of each player's seven cards. We then awarded the main and side pots separately. This is complete enumeration, not random sampling. A separate Python implementation checks the results, including settlement fixtures for refunds, folded contributions and ties. - [Every river and its pot winners (CSV)](https://gtogecko.com/data/side-pot-river-outcomes.csv). H denotes Hero; c/d/h/s denote clubs/diamonds/hearts/spades. - [Hands, contributions, results and sensitivity inputs (JSON)](https://gtogecko.com/data/side-pot-worked-example.json). - [PokerStars: side-pot eligibility](https://www.pokerstars.com/help/articles/poker-rules-master/217425/) — accessed August 28, 2026. - [Zynga's official Japanese side-pot explanation](https://zyngasupport.helpshift.com/hc/ja/27-zynga-poker/faq/11284-how-are-side-pots-formed/?l=ja) — accessed the same day. - [Poker TDA: currently published 2024 rules](https://www.pokertda.com/view-poker-tda-rules/) — accessed the same day. Actual disputes follow the event's or room's rules. - [Felted, Japanese App Store](https://apps.apple.com/jp/app/felted-texas-holdem-poker/id6759221162) — accessed the same day. Listing verification is not a hands-on test of all app features or Japanese UI support. For one pot contested by everyone, pot size times your equity gives expected receipts. With side pots, identify each pot's size, eligible players and expected share separately. Those inputs show which assumption changes the answer. ### Probe Betting in Poker: How to Attack a Missed C-Bet on the Turn https://gtogecko.com/blog/probe-betting-strategy A probe bet is a bet made out of position on the turn or river by the player who is not the preflop raiser, after that raiser declined to continuation bet the flop. The check-back is the trigger. When your opponent passes up a free stab at the pot, they're telling you their range is short of strong hands, and probing takes the betting lead back from them. The short version: probe wide on low and connected turn cards, size small, and shut it down when an ace or a board-pairing card lands. Below is the framework we use, the turn-card taxonomy from GTO Gecko's own engine, and some numbers we measured from our solved flop library on August 27, 2026. Disclosure: we build GTO Gecko. Probe bet, donk bet, float bet: which is which These three get mixed up constantly, and the distinction is entirely about who had the betting lead and when. Bet type Street Position What just happened Donk bet Flop (or any street after calling a bet) Out of position You lead into the preflop raiser before they get to act Probe bet Turn or river only Out of position The preflop raiser checked back the previous street Float bet Turn or river In position You called a flop bet with a weak hand, then bet when they checked A probe can't happen on the flop, because nobody has checked back yet. That's the whole test. If you're first to act on the turn and your opponent passed on the flop, you're in a probe spot. If you're leading into someone who still has the initiative, you're [donk betting](https://gtogecko.com/blog/donk-betting-strategy), which is a different and much narrower play. The practical difference matters more than the vocabulary. Donk bets are rare at equilibrium and easy to get wrong. Probes are common, high-frequency, and most players under-use them badly. Why a check-back hands you the pot Think about what a competent player does with a strong hand on the flop. They bet it. They bet top pair, they bet overpairs, they bet their sets, and they bet enough draws to stay balanced. A [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet) is close to automatic on boards that favour the raiser. So when they check instead, the strong part of their range mostly isn't there. Their checking range is capped: middling pairs, ace-high hands with showdown value, backdoor stuff they didn't want to bet, and total air they gave up with. Almost none of it wants to face two more bets. The GTO Wizard analysis of a T-7-2 board puts a number on how lopsided this gets. On an 8 turn, roughly 73% of the button's range holds less than 50% equity against the big blind's range. That's not a marginal edge. Three quarters of their hands are behind, they've already shown they don't want to build a pot, and you get first crack at it. Here's the part most players miss: you don't need a good hand to take that pot. You need a range that can credibly represent one, and the check-back is what makes your representation credible. Which turn cards to probe: the four-axis test GTO Gecko's engine classifies every turn card on four independent axes before it does anything else with the spot. The logic lives in our board-texture analyser, and it's a useful checklist even without the app in front of you. Axis Values Probe-friendly end Rank band High (J, Q, K, A) / Mid (7, 8, 9, T) / Low (2 through 6) Low and Mid. High cards hit the raiser's range, not yours Pairing Paired / Not paired Not paired. A paired turn kills your fold equity Suit Rainbow / two of a suit / three or more of a suit Two of a suit. Enough draws exist to make your bluffs make sense Connectedness Connected (all ranks inside a five-card window) / open-ended draw possible / disconnected Connected. Straight-completing cards are the ones you can represent Score a turn card on all four and the decision usually makes itself. A 5 on T-7-2 is Low, unpaired, keeps the board two-tone and completes straights. Probe it, and probe it wide. An ace on the same board is High, unpaired, rainbow and disconnected from everything: check and give up. That ace read is the single most reliable rule in this post. GTO Wizard's data on the same T-7-2 board has the button holding 57% equity when an ace arrives, and they call it by far the worst card for the big blind on both equity and EV. It's the one card that turns their capped check-back range into a strong one. What the turn card brings, across 4,361 flop-turn combinations What the turn actually brings 4,361 flop-turn combinations, GTO Gecko's 89 unpaired canonical flops - - - - - 0% 10% 20% 30% 40% Low card (2-6) 38.4% High card (J-A) 30.8% Mid card (7-T) 30.7% Pairs the board 18.4% Third card of a suit 14.5% Completes a four-flush 1.6% The top three bars are mutually exclusive rank bands and sum to 100%. The bottom three are separate events that can overlap with any band. Measured across GTO Gecko's 89 unpaired canonical flops, 49 possible turn cards each. Low turns are the most common single outcome, at 38.4%. That's the good news, because low cards are the ones that miss a preflop raiser's range and keep their check-back capped. Why the turn comes low more often than you'd expect Four ranks are High and four are Mid, but five are Low, so a low turn should show up about 40.8% of the time on an empty deck. We measured 38.4%, and the small gap is worth understanding, because it runs the opposite way to intuition. GTO Gecko solves against a canonical set of 109 flops. That set is deliberately top-heavy: 73 of the 109 flops, or 67.0%, have a jack or better as their highest card. Only 5 of them top out at a six or lower. Highest card on GTO Gecko's 109 canonical flops The drill flops run high Highest card on each of the 109 canonical flops - - - - 0% 20% 40% 60% Jack or better 67.0% Seven to ten 28.4% Six or lower 4.6% A flop that already contains a king removes three kings from the deck, so the turn arrives slightly lower than an empty-deck calculation predicts. Measured from GTO Gecko's canonical flop set, August 27, 2026. High flops eat high cards. When a flop already holds a king, only three kings remain to come on the turn, and the deck that's left leans low. The effect is small, about two and a half points, but it points the right way for the out-of-position player. Probe spots come up more often than the raw rank counts suggest. How much to bet Probe sizing is not one number. It tracks how polarized your range is on that particular turn, and that follows straight from the four-axis test above. Turn card Your range is Size Low brick, board stays dry Wide and merged 25-33% pot, high frequency Straight-completing or draw-heavy Merged, with real equity behind it 33-50% pot Third card of a suit lands Polarized 50-75% pot, lower frequency High card that helps you specifically Very polarized 75% pot and up, rare The default is small. Against a capped range you're not trying to fold out hands that were never going to call two barrels, you're taxing the ace-high and second-pair hands that have to keep paying. A quarter-pot probe needs to work only 20% of the time to break even, and against a range that checked back the flop it works far more often than that. Large probes have their place, and it's narrower than most people play it. GTO Wizard's T-7-2 work found the solver overbetting to 250% of the pot on an ace turn with a tiny, extremely polarized range. That's a specific structure on a specific card, not a general licence to blast. If you can't name why your range is polarized on this exact turn, bet small. Our [guide to bet sizing](https://gtogecko.com/blog/poker-bet-sizing-strategy) covers how sizing and range shape lock together, and [polarized versus merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges) covers the underlying idea. What to probe with Build the probing range the way you'd build any betting range: value that wants to be called, bluffs that want a fold, and a clear reason for each. - Thin value. Second pair, weak top pair, any pair that got there on the turn. These are the hands that gain most, because a capped range calls with worse far more often than it does against a bettor who has shown strength. - Hands that improved on the turn. A gutshot that became an open-ender, a backdoor flush draw that picked up a second card. They have equity when called and fold equity when not. - Straight and flush draws. Standard semi-bluffs, and the four-axis test tells you when the board supports enough of them to be believed. - Blockers to their continues. If you hold a card that removes the strong part of their check-back range, your bluff gets through more often. What doesn't belong: king-high with no draw, ace-high you plan to check down, bottom pair on a board where nothing worse calls. Those hands want a free showdown, and probing throws it away. When to check instead Four situations where the probe is a losing bet, and the first two are the expensive ones. An ace or a high card lands. Preflop raising ranges are full of aces and broadway cards. That turn improves the exact range that just checked back, and your fold equity is gone. The turn pairs the board. This happens on 18.4% of turns, and it hurts twice. Trips are now live in their range, and the hands you wanted to fold out have improved or gained showdown value. Probing into a paired turn is the most common probe leak we see. The player behind you never folds. Fold equity is most of the value of a small probe. Against a station, probe your value hands and check your bluffs, which is the opposite of a balanced strategy and correct anyway. You beat nothing and block nothing. No pair, no draw, no relevant blocker, on a card that didn't change anything. Check. River probes The river version is the same idea one street later: you check-called or checked through the turn, they passed again, and now the pot is yours to bid on. The range read is even stronger, because they've now declined twice. Two things change. Bet sizing gets more polarized, since no equity remains and every bet is either value or a bluff. And frequency drops, because a river bluff that gets called loses the whole pot rather than one street. Pick the hands that block their calling range and give up with the rest. Adjusting to who checked back Equilibrium play assumes the check-back range is balanced. At a real table it usually isn't, and the direction of the error tells you how to probe. GTO Gecko's Player Types trainer models opponents as a set of pot-relative action incentives applied across the whole game tree. The three archetypes it ships carry these adjustments: Archetype Incentives What it means for your probe Nit bet -0.03, check +0.02, fold +0.07 Checks back more and folds far more. Probe wider, size small, expect it through Fish call +0.04, check -0.06 Calls too much. Probe for thin value, cut the bluffs Maniac bet +0.06, call +0.03, fold -0.06 Rarely checks back at all, so probe spots are rare. When one appears, they're genuinely weak The nit line is where the money is. A player who folds 7% more often than equilibrium across every node also checks back more hands they should have bet, which caps their range harder than the solver assumes. Both errors point the same way: bet more often. Our post on [drilling exploitative adjustments](https://gtogecko.com/blog/exploitative-poker-trainer) goes through how these profiles are built and where they're gated. Three mistakes that cost the most Probing every single turn. A check-back is an invitation, not a command. Observant opponents notice a 100% probe frequency within an orbit and start floating you light and raising your bricks. Betting big to "punish" the check. The check-back already told you their range is weak. Weak ranges fold to small bets. A pot-sized probe risks three times as much to fold out the same hands. Giving up after one probe gets called. Their turn calling range is still capped, they still don't have the initiative, and the river is where a capped range gets most uncomfortable. Plan two streets before you fire the first one. Drilling probe spots Reading about turn spots does very little. The reason probe betting stays a leak for so many players is that it turns up a few times a session, gets played on instinct, and never gets reviewed. GTO Gecko is a mobile GTO poker solver and trainer for iOS, Android and browser. Its cash postflop track includes a Turn Barrels module, described in-app as covering "the critical turn street decisions", plus a Board Texture Mastery module that rotates the same spots across the flop textures above. Both run on single-raised pots, which is where probe spots live. You can also set up any flop in the solver, walk the tree through the flop check-check line, and look at the exact turn strategy for the node you're first to act in. Postflop access comes with any active paid plan. The cash plan is $24.99 a month or $149.99 a year, all four game types together are $39.99 a month or $239.99 a year, and the Player Types profiles above sit in the Elite tier at $59.99 a month or $349.99 a year for one format. GTO Gecko is free to download on [iOS](https://apps.apple.com/app/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), and runs in a browser at [play.gtogecko.com](https://play.gtogecko.com/). If you're still comparing tools, we priced the field in [the best poker solver apps](https://gtogecko.com/blog/best-poker-solver-apps), and [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the study workflow that makes any of them worth the money. Frequently asked questions What is a probe bet in poker? A probe bet is a bet made out of position on the turn or river by the player who is not the preflop raiser, after that raiser checked back the previous street. It takes the betting initiative back from an opponent who declined to continuation bet. What is the difference between a probe bet and a donk bet? A donk bet leads into the preflop raiser while they still hold the initiative, and it can happen on the flop. A probe bet only happens on the turn or river, and only after the raiser has already checked back. Probes are far more common at equilibrium than donk bets. How often should you probe bet on the turn? Frequently, but not always, and the turn card decides it. Low, unpaired, connected turn cards support a wide probing range. High cards, and especially aces, support almost none. Probing every turn is a bigger leak than probing too few. What size should a probe bet be? Small by default: 25-33% of the pot on dry, low turns, where your range is wide and merged. Increase to 50-75% when a third card of a suit lands or the turn polarizes your range. Sizes above pot belong to rare, very polarized spots. Should you probe bet on a paired turn? Usually not. A paired turn brings trips into your opponent's range and gives their weak hands showdown value, so your fold equity drops on both sides. The board pairs on 18.4% of turns, measured across GTO Gecko's canonical flop set. Can you probe bet on the river? Yes. A river probe follows a turn that also checked through. The range read is stronger because your opponent has now passed twice, but sizing should be more polarized and frequency lower, since a called river bluff costs the whole pot. Sources - GTO Gecko canonical flop set — 109 flops; 73 with a jack or better as high card, 20 paired, 59 two-tone, 43 rainbow, 7 monotone. Measured August 27, 2026 - GTO Gecko turn-texture distribution — 4,361 flop-turn combinations across the 89 unpaired canonical flops, 49 turn cards each. Measured August 27, 2026 - GTO Gecko board-texture classifier — rank band, pairing, suit and connectedness axes, from the app's own board analysis code - GTO Gecko Player Types action incentives — Fish, Nit and Maniac profiles as shipped in the app - [GTO Wizard — The Turn Probe Bet](https://blog.gtowizard.com/the-turn-probe-bet/) - [PokerCoaching — Probe Betting: When Should You Take Back The Initiative](https://pokercoaching.com/blog/probe-betting-explained/) - [PokerNews — Probe Bet Definition](https://www.pokernews.com/pokerterms/probe-bet.htm) - [PokerStrategy — Probe Bet Definition](https://www.pokerstrategy.com/glossary/Probe-bet/) ### Short Deck’s Rule of 3 and 6: Exact Odds From Every Runout https://gtogecko.com/blog/short-deck-rule-of-3-and-6 [日本語で読む](https://gtogecko.com/ja/blog/short-deck-rule-of-3-and-6) Short answer: the Rule of 3 and 6 is an excellent small-out shortcut, not a general probability formula. With five clean outs, outs × 6 gives 30.00% , almost identical to the exact 30.11% chance of improving by the river. With eight outs it says 48%, while the exact result is 45.59%. With fifteen outs it says 90%, overshooting the exact 74.19% by 15.81 percentage points. We checked every one of the 465 possible unordered turn-river runouts for each out count from 1 through 20, then reproduced the calculation with a separate implementation. This page gives you the exact formula, a practical cutoff for the shortcut, and the cases where an “out” should not be counted at full value. Disclosure: GTO Gecko and Short Deck Poker Trainer are both products from GTO Solutions AS. The probabilities below were calculated independently from the store copy, with the method and complete data included here. This is study material, not a promise of results. The Rules Profile Behind the Numbers Short Deck—also called 6+ Hold’em—removes every 2, 3, 4 and 5, leaving 36 cards. Under the current [PokerStars 6+ rules](https://www.pokerstars.com/poker/games/six-plus/) and [GGPoker Short Deck rules](https://ggpoker.com/poker-games/short-deck/), a flush beats a full house and A-6-7-8-9 is a straight. Forced bets and some rankings can vary between rooms; [PokerStars Learn](https://www.pokerstars.com/poker/learn/strategies/rules-and-hand-rankings-in-6-holdem/), for example, notes that some versions rank three of a kind above a straight. Confirm the table’s house rules before applying a chart. After the flop you can see five cards: your two hole cards and three community cards. That leaves: The denominator that changes everything 36 − 2 − 3 = 31 unseen cards That is why the Hold’em Rule of 2 and 4 does not transfer. In Short Deck, each clean out is about 3.23% for the next card, not 2.13%. The Exact Short Deck Outs Formula Let O be the number of stable, clean outs. “Stable” means the same cards remain outs on both streets. “Clean” means hitting one produces the improvement you are counting without a known domination or redraw problem. This model treats all 31 unseen cards as equally likely; it does not condition the card distribution on an opponent’s hand or range. It calculates the chance of drawing at least one card from a fixed set of outs, not the chance of winning at showdown. From the flop Next card: O / 31 By the river: 1 − ((31 − O) / 31) × ((30 − O) / 30) Equivalent runout count: [C(31,2) − C(31 − O,2)] / C(31,2) The last version makes the audit tangible. There are C(31,2) = 465 unordered turn-river pairs. Count the pairs containing at least one out, then divide by 465. You can download the complete [1–20 outs source table as CSV](https://gtogecko.com/data/short-deck-outs-probabilities.csv). Where the Shortcut Stops Being Close On narrow screens, scroll the table horizontally. Errors are percentage-point differences, not relative percentages. Flop probabilities with stable, clean outs Clean outs Exact next card ×3 Exact by river ×6 ×6 error 1 3.23% 3% 6.45% 6% −0.45 points 5 16.13% 15% 30.11% 30% −0.11 points 8 25.81% 24% 45.59% 48% +2.41 points 9 29.03% 27% 50.32% 54% +3.68 points 13 41.94% 39% 67.10% 78% +10.90 points 15 48.39% 45% 74.19% 90% +15.81 points 17 54.84% 51% 80.43% 102% +21.57 points Approximation minus exact probability. The ×6 line crosses from underestimating to overestimating at six outs and exceeds a two-point error at eight outs. The practical boundary is easy to remember. From one through seven outs, the ×6 shortcut stays within 1.36 percentage points of the exact result. At eight outs it crosses a two-point error, then bends away quickly. At seventeen outs it returns an impossible 102%, which makes the shortcut's limit unambiguous. The ×3 shortcut always runs a little low because 1/31 is 3.2258%, not 3%. Why ×6 Bends Upward Multiplying by six adds two chances of approximately 3% per out. Two effects compete: rounding 1/31 down to 3% pushes the estimate low, while counting runouts containing two outs twice pushes it high. The rounding effect wins at small out counts; from six outs onward, overlap wins. “Complete by the river” is a yes-or-no event, so a runout that hits twice is still only one success. Take eight clean outs. Of 465 possible turn-river pairs, C(23,2) = 253 miss both outs. The other 212 pairs hit at least one: Eight-out check (465 − 253) / 465 = 212 / 465 = 45.59% The shortcut returns 8 × 6 = 48% , which is 2.41 points too high. The overlap grows with the number of outs, which is why the error accelerates rather than staying constant. Two Worked Short Deck Draws A flush draw: usually five suit outs A Short Deck suit contains nine cards. If your two hole cards and two flop cards share that suit, you can see four of the nine, leaving five unseen suit cards. If all five are clean: - Next card: 5 / 31 = 16.13% - By the river: 1 − (26 / 31) × (25 / 30) = 30.11% - Shortcut: 5 × 3 = 15%; 5 × 6 = 30% This is the shortcut’s sweet spot. Notice the counterintuitive comparison: a regular Hold’em flush draw has nine suit outs and completes by the river about 34.97% of the time. Short Deck has fewer unseen cards, but it also has fewer cards in each suit; the five-out flush draw lands at 30.11%. A clean open-ended straight draw: eight outs If two ranks complete your straight and all four suits of each rank are clean, you have eight outs. The smaller deck makes those eight cards much denser: 25.81% on the next card and 45.59% by the river. Here the ×6 shortcut is already generous by 2.41 points. On the turn, one card has been removed from the unseen deck. If you miss and still have eight clean outs, the river probability is 8 / 30 = 26.67% . Recalculate rather than carrying the flop denominator forward. Count Clean Short Deck Outs Before Calculating The formula can be exact while the input is wrong. Before using it, audit the out count: - Dirty outs: a card completes your draw but can leave an opponent with a stronger flush, full house or redraw. Exclude it from the clean-out formula; if it retains partial value, evaluate that value with an opponent-range equity model instead of inventing a fractional out. - Duplicate routes: a card that completes both a pair and a straight is still one physical card, not two outs. - Changing outs: a turn card can create or remove river outs. The stable-out formula does not model that branching tree. - Known dead cards: subtract exposed dead cards from the unseen-card total. Reduce the out count too only when a dead card belongs to the out set. - House rules: the target hand’s value can change if the room uses a different ranking profile. For a broader foundation on identifying outs, see our [poker outs and odds guide](https://gtogecko.com/blog/poker-outs-and-odds). The difference here is the 36-card denominator and the explicit clean-out audit. Short Deck Completion Probability Is Not Equity Three quantities are often collapsed into one, and they should not be: - Draw-completion probability is the chance of hitting the specific cards you counted. - [Hand equity](https://gtogecko.com/blog/poker-equity-explained) is your expected share of the pot against an opponent range. You can win without hitting, and you can hit and still lose. - Required equity is the decision threshold implied by the pot and call size, before future action and rake are considered. The Rule of 3 and 6 answers only the first question. Use the [pot-odds framework](https://gtogecko.com/blog/pot-odds-poker-math) and a credible opponent range before turning a draw percentage into a decision. Appendix: Five-Card Frequency Behind the Short Deck Ranking The deck reduction also changes hand-category rarity. We enumerated every unordered five-card set—not seven-card final Hold’em hands—to isolate the ranking ingredients: Five-card categories, not seven-card best hands Five-card category Short Deck count Short Deck probability 52-card count 52-card probability Flush, excluding straight flush 480 0.1273% 5,108 0.1965% Full house 1,728 0.4584% 3,744 0.1441% In the 376,992 Short Deck five-card combinations, full houses occur 3.6 times as often as non-straight flushes. In the standard 52-card sample space the order reverses. This frequency comparison is consistent with the PokerStars and GGPoker ranking profile used here, but it does not claim to explain every room’s rule choice or the frequency of a player’s best final hand. For the full conventional ranking order, see the [poker hand rankings guide](https://gtogecko.com/blog/poker-hand-rankings-guide). A Reliable Table Routine - Confirm the room’s deck, ranking and forced-bet rules. - Count physical outs once, then exclude dirty cards from the exact clean-out formula. - Use ×3/×6 for a quick estimate when the out count is small. - At eight or more outs, check completion probability with the exact formula. For a close call decision, calculate equity against the opponent range separately. - Keep completion probability separate from equity and required equity. If you want to drill the format after learning the math, the [US App Store listing for Short Deck Poker Trainer](https://apps.apple.com/us/app/short-deck-poker-trainer/id6760950166), checked August 27, 2026, describes a Short Deck Academy, probability material, an equity calculator and preflop study tools. The App Store’s “Languages” field lists English only . It is a study and simulation tool, not a real-money poker service. Sources and Reproducibility - [PokerStars official 6+ Hold’em rules](https://www.pokerstars.com/poker/games/six-plus/) — accessed August 27, 2026. - [PokerStars Learn: rules and hand rankings in 6+ Hold’em](https://www.pokerstars.com/poker/learn/strategies/rules-and-hand-rankings-in-6-holdem/) — accessed August 27, 2026. - [GGPoker Short Deck rules](https://ggpoker.com/poker-games/short-deck/) — accessed August 27, 2026. - [Short Deck Poker Trainer, US App Store](https://apps.apple.com/us/app/short-deck-poker-trainer/id6760950166) — accessed August 27, 2026. Method: for each out count from 1 through 20, we labeled O of 31 unseen cards as outs and enumerated all 465 unordered two-card runouts. We counted a runout once when either card was an out, compared that fraction with the closed-form equation, and reproduced it in a separate Python implementation. No random sampling or private player data was used. The chart and [CSV](https://gtogecko.com/data/short-deck-outs-probabilities.csv) come directly from those results. ### Exploitative Poker Trainer: How to Drill Against Fish, Nits and Maniacs https://gtogecko.com/blog/exploitative-poker-trainer An exploitative poker trainer puts you in a solved spot against an opponent who has one specific, known leak — calls too wide, folds too much, bluffs too often — and grades your decision against the strategy that beats that opponent, not against GTO. GTO Gecko builds those opponents by paying the solver to make the mistake: the Fish gets a 4%-of-pot bonus for calling, the Nit a 7% bonus for folding, the Maniac a 6% bonus for betting. There are 25,196 pre-solved scenarios behind it. Here is how the model works, what it covers, and what it costs. Disclosure: we build GTO Gecko and Live Poker Trainer. Everything below about our apps comes from the shipping code and the shipping data files, and the competitor prices were checked on August 25, 2026. What Is an Exploitative Poker Trainer? An exploitative poker trainer is a drill tool where the villain is deliberately imperfect and your job is to punish the specific way they're wrong. A GTO trainer asks "what does equilibrium do here?" An exploitative trainer asks "what does the highest-EV line look like against a player who folds 70% when equilibrium folds 55%?" Those are different answers, and at small and mid stakes the second one is where the money is. David Sklansky wrote the reason down decades before solvers existed: "Every time you play a hand differently from the way you would have played it if you could see all your opponents' cards, they gain; and every time you play your hand the same way you would have played it if you could see all their cards, they lose." — David Sklansky, The Theory of Poker Playing GTO against a calling station is playing your hand differently from how you'd play it with their cards face up. It's safe, and it leaves money on the table. If the theory side is new, our guide to [GTO vs exploitative play](https://gtogecko.com/blog/gto-vs-exploitative) covers when to deviate and by how much. This post is about the drilling. How GTO Gecko Models a Fish, a Nit and a Maniac GTO Gecko's Player Types mode ships three archetypes, and each one is a set of signed action incentives : small bonuses or penalties, measured as a share of the pot, applied to that player's bets, calls, checks and folds across the whole game tree. The solver then finds equilibrium against an opponent with those distorted payoffs. The result is a villain with one consistent leak, and a counter-strategy that is mathematically correct against it rather than hand-waved. These are the actual numbers the app ships, straight out of the profile that gets handed to the solver: Action incentives applied to each GTO Gecko player archetype, in percent of pot - -6% - -3% - 0% - +3% - +6% -6 Check 0 Bet +4 Call 0 Fold Fish +2 Check -3 Bet 0 Call +7 Fold Nit 0 Check +6 Bet +3 Call -6 Fold Maniac Action incentive, as a share of the pot Positive = the archetype is paid to take that action. Zero = plays it like a solver. The three profiles GTO Gecko ships. "Bet" covers bets and raises. A category at zero means the archetype plays that action at equilibrium. Read the Nit column and you can predict its behaviour before you ever load a hand. A +7% bonus for folding and a −3% penalty for betting produces a player who checks back, folds to pressure, and almost never turns a hand into a bluff. The counter-strategy the solver returns against it bluffs far more than GTO does and folds to its rare aggression, which is exactly the adjustment every coach tells you to make against a nit. The difference is that here you get the frequency instead of the adjective. Why a Bias Beats a Bot Most trainers script their villains: "on a monotone board, this bot c-bets 40%." That gets you a strategy that beats that script , and it falls apart one node later when the script has no rule. Biasing the payoffs instead means the leak propagates through the whole tree on its own. The Fish that overcalls the flop is also the Fish that overcalls the turn, calls down light on the river, and — because a −6% check penalty pushes it out of position — donk-bets into you more than a solver ever would. Why the River Gets Re-Solved on Your Phone Here's the part that surprised me when I went through the code. GTO Gecko has both an on-device solver and a cloud solver, and for normal GTO work either will do. For Player Types the app will only use the on-device one. The cloud endpoint solves GTO and nothing else, so handing it an archetype profile would silently drop the bias and return a GTO river strategy that looks like an answer. Rather than serve you that, the app refuses. If the native solver isn't available on your device, a player-type river throws instead of falling back. That's the right call for a training tool, because a wrong answer you can't detect is worse than no answer, and it means every river frequency you're graded against was computed against the archetype, on your hardware, in the seconds after the card came off. The flop and turn come from the pre-solved library. If you want the longer version of how those solves are produced, we published the [methodology behind the solution library](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). What's Actually in the Library The Player Types dataset holds 25,196 pre-solved scenario files . They break down as 84 table configurations, meaning a game type, rake structure, stack depth, pot type and position matchup, each available with you in position or out of position, and each of those 168 setups solved separately against all three archetypes. That's 504 distinct configurations, and every one carries its own set of roughly 50 flops drawn from a 109-flop canonical board set. Format Scenario files Stack depths Pot types Position matchups Cash — 6-max, 5% rake capped at 4bb 13,800 100bb SRP, 3-bet 34 Cash — 8-max, no ante 150bb SRP, 3-bet Cash — 8-max, straddle + ante 200bb SRP, 3-bet MTT (ante) 7,499 50bb, 100bb SRP, 3-bet 17 Spin & Go 3,897 15bb, 30bb SRP, 3-bet, blind vs blind 7 The straddle-plus-ante set at 200bb is the one worth pointing at if you play live. It's an eight-handed tree with a straddle seat in the position list, which is the game a $2/$5 player actually sits in on a Friday night and a game almost no study tool solves at all. One thing I checked because I expected the opposite: whether the boards change when the opponent does. They don't. Flop texture mix by archetype in GTO Gecko's player type library - 0% - 15% - 30% - 45% - 60% Two-tone 53.9 54.0 53.4 Rainbow 39.8 39.6 40.1 Two+ broadway 35.4 35.6 34.5 Paired 18.0 18.2 18.1 Monotone 6.3 6.4 6.5 Fish Nit Maniac Share of the 25,196 scenario files whose flop has each texture Every configuration draws its own flop subset, but across the library the texture mix lands within 0.6 points for all three archetypes. Monotone, two-tone and rainbow are exclusive and sum to 100; paired and broadway-heavy overlap them. Each configuration gets its own draw of about 50 boards, so switching archetypes doesn't hand you the same fifty flops again. But the mix is matched: two-tone runs 53.4–54.0%, rainbow 39.6–40.1%, paired 18.0–18.2%. That makes the comparison clean. If your accuracy against the Maniac is 12 points below your accuracy against the Nit, it isn't because one of them got the dry boards. Walking Through One Drill Most of the screenshots below are from Live Poker Trainer , our free standalone player-type app, because it puts the archetype picker on a screen of its own. GTO Gecko runs its Player Types mode inside the postflop trainer instead, so the setup lives one level deeper. Two separate apps, same idea, and the step order is the same in both. 1. Pick the opponent, then the spot. Archetype first, then format, stack depth, pot type, and which seats you and the villain occupy. Difficulty controls the bet-sizing grid: Easy simplifies it, Hard makes you pick the solver's exact sizes. Live Poker Trainer: the Maniac profile, with a separate ELO and hand count tracked per archetype. 2. Play the hand out. You get the villain's action, the preflop history, the stack sizes and the board, and you pick from real solver sizings. Notice the header: the archetype's name is on the action line, so you always know which leak you're supposed to be attacking. A 50bb MTT 3-bet pot. The Maniac leads 5.4bb into 16.3 on Q ♠ 9 ♠ 5 ♥ , and you're holding A ♦ K ♦ . 3. Read why you were wrong. This is the part that turns a quiz into study. GTO Gecko's explanation panel gives you the action frequencies, the reasons ranked by weight, and one plain-English takeaway per decision. GTO Gecko's explanation panel. Call 92%, fold 6%, raise 2%, with the three factors that got it there. 4. Find out which opponent you're losing to. GTO Gecko's statistics page carries an archetype filter across its trainer reports; Live Poker Trainer keeps a separate ELO and hand count per player type. Either way you get the answer a plain GTO trainer can't give you: you might be fine against the Nit and bleeding against the Fish, and until you split the numbers you'd only ever see one blended accuracy figure. For the deeper version of that analysis, our post on [finding leaks through EV loss](https://gtogecko.com/blog/poker-leak-finder-ev-loss) covers how to read the reports. Decision quality and accuracy by street. Flop accuracy trailing turn and river is the usual pattern. Where This Approach Breaks Down Three limits worth knowing before you buy anything. - It's heads-up. Player Types covers two-player postflop spots only. Three-way pots against a fish and a reg at the same time are the most common live spot there is, and this mode doesn't solve them. GTO Gecko has a separate Multiway Trainer for 3-player single-raised pots, and our [multiway strategy guide](https://gtogecko.com/blog/multiway-pots-poker-strategy) covers the principles, but the two features don't combine. - Three archetypes, not fifteen. AceSolver ships 15 villain profiles against our 3. More profiles means finer-grained practice; fewer means each one is a solved, documented bias rather than a label. Which you prefer is a real preference, and I'd rather have three I can print the parameters for. - Real opponents aren't consistent. The incentive is applied globally, so the Fish overcalls everywhere with the same intensity. Live, the same guy calls three streets light at 11pm and folds the same hand at 1am. Drilling a clean bias builds the reflex; reading which bias is in front of you tonight is a separate skill that lives in [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) and [physical tells](https://gtogecko.com/blog/poker-tells-guide). What It Costs Player Types sits in GTO Gecko's Elite tier, and it isn't cheap. Elite for one format is $59.99 a month, $114.99 for three months, or $349.99 a year . Elite Pro, which covers cash, MTT and Spin & Go together, runs $89.99 monthly, $189.99 quarterly or $549.99 a year. The same tier carries the Multiway Trainer and the aggregated reports, so you're not paying that purely for the archetypes. Base and legacy plans do not include Player Types. The entitlement check is strict about it, and no amount of grandfathering opens it. If exploitative drilling is the reason you're subscribing, Elite is the tier you need, and the annual price is the one that makes sense: $349.99 a year against $719.88 if you pay monthly for twelve months. GTO Gecko is free to download on [iOS](https://apps.apple.com/app/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), and runs in the browser at [play.gtogecko.com](https://play.gtogecko.com/). Our [full feature walkthrough](https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide) covers what the other tiers include. The Free Way to Start: Live Poker Trainer If $349.99 is not where you are, start with the free one. Live Poker Trainer is our standalone player-type app, and it costs nothing. It ships four opponents rather than three (Fish, Nit, Maniac and a GTO robot), with a separate ELO rating per archetype starting at 1,000, three difficulty levels, cash and MTT formats, single-raised and 3-bet pots, and it works offline, which matters when you're drilling on casino wifi between levels. It sits at 4.7 stars across 143 Google Play reviews on 1,000-plus downloads, and it was last updated on August 8, 2026. The trade-off is depth, not honesty: Live Poker Trainer gives you the archetypes and the scoring, while GTO Gecko's Elite tier gives you the 25,196-scenario library, the straddle and Spin & Go trees, the on-device river solve and the explanation panel. Drill the free app until you can beat the Maniac consistently, then buy the depth when you've proven you'll use it. [Get Live Poker Trainer on the App Store](https://apps.apple.com/app/id6760467336) · [Get it on Google Play](https://play.google.com/store/apps/details?id=com.gtosolutions.playertypetrainer) Other Exploitative Trainers Worth Knowing This category grew fast in 2026, and a few of these do things we don't. Prices checked August 25, 2026. Tool Opponent models Platforms Price What it's good at GTO Gecko (ours) 3 solver-biased archetypes iOS, Android, web Elite $349.99/yr per format Published bias parameters, 25,196 solved spots, live straddle and Spin & Go trees Live Poker Trainer (ours) 4, including a GTO robot iOS, Android Free ELO per archetype, works offline, no cost to try the idea AceSolver 15 named profiles iOS only Free to download; no price published in the listing The widest profile roster, and you can switch your own style too XPloit Poker Archetypes plus an AI coach Web Free tier; Grinder $49.99/mo or $490/yr Conversational hand review on top of the drills Poker Shark 6 behavioural archetypes Web Free in early access Profiles built from observed live-cash behaviour Two honest notes on that table. AceSolver publishes no price anywhere we could find. It isn't in the App Store listing text, and there's no Google Play listing to disclose an in-app purchase range, so "free to download" is all anyone can verify. And Poker Shark's early access is genuinely free right now, which also means its future price is unknown. Neither of those is a knock; it's just what you can and can't check before you commit. Our position on the rest of it is straightforward. If you want an app that tells you what your opponent's leak is worth in frequencies rather than adjectives, and that will show you the parameters it used, GTO Gecko is the one to buy. Nobody else on that list publishes the bias they solve against. Exploitative Poker Trainer FAQ Is exploitative training better than GTO training? Neither replaces the other. GTO gives you a baseline that can't be counter-exploited, and you need it to know what a deviation even is. Exploitative training teaches you to leave that baseline profitably once an opponent shows you a pattern. Learn the baseline first, using our guide to [what GTO poker is](https://gtogecko.com/blog/what-is-gto-poker) as the starting point, then drill deviations against modelled opponents. How does GTO Gecko decide what a Fish does? It pays the solver to make the mistake. The Fish profile adds a 4%-of-pot bonus to calling and a 6% penalty to checking, then the solver plays out equilibrium against those payoffs. Nothing is scripted, so the leak shows up consistently on every street and every board. Can I train against player types for free? Yes, in Live Poker Trainer, which is free on iOS and Android and covers four opponent types with ELO tracking. In GTO Gecko the Player Types mode is part of the Elite subscription. Does it cover multiway pots? No. Player Types is two-player postflop only. GTO Gecko's Multiway Trainer handles 3-player single-raised pots, but without the archetype profiles. What formats and stack depths are covered? Cash at 100bb 6-max, 150bb 8-max and 200bb with a straddle and ante; MTT at 50bb and 100bb with antes; Spin & Go at 15bb and 30bb including blind-vs-blind limped and raised pots. Single-raised and 3-bet pots throughout. Start With the Opponent You Lose To Pick the archetype that costs you the most money — for most live players that's the Fish, because the correct response is thin value bets that feel uncomfortable — and run a hundred hands against it before you touch anything else. Then check the archetype split in your stats and see whether the number moved. That's the whole loop, and it takes about ten minutes a day. [Open GTO Gecko and drill your first archetype](https://play.gtogecko.com/), or grab [Live Poker Trainer](https://apps.apple.com/app/id6760467336) if you'd rather test the idea for nothing first. - GTO Gecko Player Types profiles and entitlement rules — shipping app source, verified August 25, 2026 - Player Types scenario library — playertype_flops.json shipped in the GTO Gecko app bundle: 504 configurations, 25,196 scenario files, 109 canonical flops, counted August 25, 2026 - GTO Gecko Elite pricing — in-app plan catalogue, verified August 25, 2026 - [Live Poker Trainer on the App Store](https://apps.apple.com/app/id6760467336) — feature list, formats and difficulty levels - [Live Poker Trainer on Google Play](https://play.google.com/store/apps/details?id=com.gtosolutions.playertypetrainer) — 4.7 stars, 143 reviews, 1,000+ downloads, updated August 8, 2026 - [AceSolver on the App Store](https://apps.apple.com/us/app/acesolver-poker-trainer/id6743416127) — 15 villain profiles, version 5.8, no published subscription price - [XPloit Poker](https://xploitpoker.com/) — free tier and Grinder plan pricing, checked August 25, 2026 - [Poker Shark](https://www.pokrshark.com/) — six archetypes, free early access, checked August 25, 2026 - [Upswing Poker on calling stations](https://upswingpoker.com/calling-stations-poker-strategy/) — standard exploitative adjustments against loose-passive players - David Sklansky, The Theory of Poker — the Fundamental Theorem of Poker All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by AppThemis Technologies, XPloit Poker, or Poker Shark. Pricing verified August 25, 2026 — check each vendor's site for current rates. ### How to Play Multiway Pots in Poker: Five Rules Backed by Solver Data https://gtogecko.com/blog/multiway-pots-poker-strategy In a multiway pot your top pair is worth less, your bluffs stop working, and the preflop chart you memorized has nothing to say. Three-handed on K ♠ 7 ♥ 2 ♦ , A-K drops from 90.4% equity to 78.7%, and a hand like A-Q suited falls from 57.3% to 31.6%. The fix isn't complicated: bluff far less, bet smaller, and value hands that can make the nuts over hands that can only win a showdown. Below are five rules, each with the number behind it. All the solver figures here come from GTO Gecko's own solved database and from 400,000 simulated runouts per cell that we ran for this post on August 24, 2026. Disclosure: we build GTO Gecko. Why your preflop chart goes quiet the moment a third player calls Open the preflop database that ships inside GTO Gecko and count the decision points. There are 505 solved scenario files covering 11,513 decision nodes and 1,945,697 individual hand strategies. Of those 11,513 nodes, 1,160 are opening decisions where nobody has entered the pot yet, and the other 10,353 are one player against exactly one other player. Zero of them have three players live. That isn't a gap in our library. It's how every preflop chart product on the market is built, ours included, because a preflop solve gets computationally ugly fast and the standard decomposition is to solve each confrontation as a two-player problem. So the honest description of a preflop chart is this: it tells you what to do assuming the pot ends up heads-up. The moment a second caller comes along you're off the chart, and no amount of chart study puts you back on it. Here's the part that surprises people. At equilibrium that barely matters, because the solver almost never cold-calls. These are the flat-call frequencies from GTO Gecko's 8-max, 100bb, raked cash solution, for every seat that still has players behind it: Opener Caller Cold-call frequency 3-bet frequency UTG MP 1.6% 4.5% UTG CO 3.7% 4.8% UTG BTN 4.8% 5.0% MP BTN 5.2% 5.6% CO BTN 3.8% 11.2% BTN SB 4.7% 11.5% BTN BB 29.8% 11.5% That table answers how often the 100bb ranges call, not whether the same hands call at another depth. Our matched [50bb-versus-100bb cold-call composition study](https://gtogecko.com/blog/cold-call-ranges-50bb-vs-100bb) shows why a close absolute total can hide a different mix. No seat with players behind it flats more than 5.24% of hands. The big blind flats 29.8% against a button open, but the big blind acts last before the flop, so a big-blind call closes the action and the pot goes heads-up. Equilibrium poker is a two-player game almost all of the time, by construction. Your table is not equilibrium poker. In a live $1/$3 game or a soft online pool, three and four players see the flop constantly, because recreational players flat with hands the solver folds or raises. That's a leak in their game and it hands you an edge, but only if you know what to do with the pot they've built. The chart doesn't tell you. What a third player actually does to your hand We took a common single-raised-pot spot, button opens and the blinds defend, and measured all-in equity on the flop K ♠ 7 ♥ 2 ♦ . Each opponent was dealt from GTO Gecko's own solved calling range for that seat, and each cell is 400,000 simulated runouts. The four-way column adds a hypothetical third caller holding the same big-blind defending range. Equity on K72 rainbow by number of opponents Equity on K ♠ 7 ♥ 2 ♦ , by number of opponents All-in equity vs solver calling ranges, 400,000 simulated runouts per cell - 0% - 20% - 40% - 60% - 80% - 100% 97.1 93.3 90.7 7-7 bottom set 90.4 78.7 70.5 A-K top pair, top kicker 86.4 72.3 64.0 K-Q top pair, weaker kicker 57.3 31.6 21.7 A-Q suited ace high, backdoors 70.0 45.2 33.8 9-9 underpair Heads-up Three-way Four-way All-in equity on K♠ 7♥ 2⋄, GTO Gecko solved calling ranges, 400,000 simulated runouts per cell (August 24, 2026). The four-way column adds a hypothetical third caller with the big-blind defending range. Read that chart by how far each bar falls, not by how tall it starts. Bottom set loses 6.4 points of equity going from heads-up to four-way. Ace-high loses 35.6. Same board, same extra players, more than five times the damage, and that gap is most of multiway strategy in one picture. Raw equity understates the problem, though, because equity assumes you see five cards for free. What you want to know is whether you're winning right now: Your hand on K ♠ 7 ♥ 2 ♦ Best hand heads-up Best hand three-way Best hand four-way A-K (top pair, top kicker) 97.6% 91.5% 88.9% 9-9 (underpair) 83.2% 61.2% 49.6% A-Q suited (ace high) 59.3% 24.9% 13.5% Pocket nines are ahead 83.2% of the time against one defender and a coin flip against three. A-Q high is best 59.3% of the time heads-up and 13.5% four-way. At least one opponent holds a pair or better 35.8% of the time against one player, 69.6% against two and 82.0% against three; two pair or better goes from 2.4% to 11.1%. The practical version: heads-up, "I probably have the best hand" is usually true. Four-way it's usually false, and every bet you make should assume somebody connected. For the maths behind how these numbers are calculated, see our guide to [poker equity](https://gtogecko.com/blog/poker-equity-explained). Rule 1: treat GTO as a two-player result, because that's what it is The guarantee people have in mind when they say they're playing GTO, that an unexploitable strategy can't be beaten no matter what the opponent does, is a theorem about two-player zero-sum games. It does not extend to three. As Carnegie Mellon put it announcing the Pluribus six-player poker bot: "In a game with more than two players, playing a Nash equilibrium can be a losing strategy." That isn't a technicality. Three equilibrium strategies computed separately don't combine into an equilibrium, and a player who folds too much in a three-way pot can hand the pot to a third party who was never in the calculation. So in multiway pots you're playing an exploitative game whether you like it or not. Solver output is a strong prior. It isn't a shield. Our post on [GTO versus exploitative play](https://gtogecko.com/blog/gto-vs-exploitative) covers where that line sits in general. Rule 2: bluff far less, because the fold maths compounds A heads-up pure bluff needs one fold; a three-way pure bluff needs both opponents to fold. Multiply the first fold probability by the second player’s fold probability after that first fold. Our [conditional fold-equity casebook](https://gtogecko.com/blog/multiway-fold-equity) shows why two overall fold rates are insufficient. In the simplified zero-payout-when-called model, a half-pot bet breaks even at an all-fold rate of 1/3. If the two fold events are independent and equally likely, each rate is √(1/3), approximately 57.7%. Fold frequency a bluff needs from each opponent How often each opponent must fold for a bluff to break even Assumes the opponents fold independently of one another - 0% - 20% - 40% - 60% - 80% - 100% 20.0 44.7 58.5 25% pot 24.8 49.8 62.8 33% pot 33.3 57.7 69.3 50% pot 42.9 65.5 75.4 75% pot 50.0 70.7 79.4 100% pot 1 opponent 2 opponents 3 opponents Bet size as a fraction of the pot Break-even fold frequency required from each individual opponent, by bet size and number of opponents. Assumes opponents fold independently of one another. Look at the gold bars. Betting pot into three opponents needs each one to fold 79.4% of the time. Nobody folds 79% of a range they called a raise with. That's the arithmetic reason multiway bluffs fail, and it's why the oldest piece of advice in the game turns out to be right for a reason players rarely state. Two consequences. Cut your flop bluff frequency hard in multiway pots and keep only the bluffs with real equity: open-enders, flush draws, gutshots with two overcards. And when somebody else bets into a multiway field, believe them more than you would heads-up, because they need a much stronger hand for that bet to make sense. Continuation betting changes with it. C-bet a wide opening range into two callers and you'll be firing into the 69.6% of flops where at least one of them has a pair. Our [continuation betting guide](https://gtogecko.com/blog/what-is-a-continuation-bet) has the heads-up baseline this deviates from. Rule 3: bet smaller when you do bet Sizing works backwards from that same table. At 25% pot, each of two opponents only needs to fold 44.7% for the bluff to break even, against 57.7% at half pot. Smaller bets ask less of each player, and the requirement climbs steeply with size. Value betting pushes the same way. A big bet three-way gets called by fewer hands you beat and more hands that beat you, because two players each get a shot at having the top of their range. A 25–33% stab with top pair collects value from second pair and draws. A 75% bet folds out everything you beat and gets called by two pair. My rule of thumb, and it's a blunt one: in a three-way single-raised pot, cap yourself at half pot unless you hold a hand that wants stacks in by the river. Four-way, cap at a third. The full framework for mapping sizes to range shapes is in [poker bet sizing strategy](https://gtogecko.com/blog/poker-bet-sizing-strategy). Rule 4: play for the nuts, not for showdown value Go back to the equity chart. Bottom set held 90.7% four-way. A-Q suited held 21.7%. Nut-making hands barely notice the extra players; showdown-value hands get crushed by them. That reshapes which hands you want to see a multiway flop with. Suited aces, suited connectors and pocket pairs all improve in relative terms as more players come along, because their value lives in the times they make the best possible hand. Offsuit broadways get worse. K-J offsuit flops top pair with a mediocre kicker on a board where somebody has K-Q, and top pair with a bad kicker is the most expensive hand class in multiway pots. The same logic runs postflop. Second pair is a check-and-fold hand three-way in a spot where it would be a thin value bet heads-up. Thin value betting more or less stops existing, because there's no such thing as a thin value bet when two players both have to be worse. Position gets more valuable at the same time, for a specific reason: with two players still to act behind you, a bet has two chances to run into a raise. The defensive burden is shared among the callers, so each one individually defends less often, while the bettor faces more of them. Our [poker position guide](https://gtogecko.com/blog/poker-position-strategy) covers the heads-up baseline. Rule 5: cold-call less than everybody else at your table The cheapest multiway fix happens before the flop. Look again at that cold-call table: the solver flats an opener with players still behind it under 5.3% of the time from every seat. Most of the hands it wants to continue with it 3-bets instead, and the 3-bet is what stops the pot going multiway. So when you're deciding whether to flat a raise with three players left to act, the default answer is fold or 3-bet. Flatting invites the squeeze, invites the blinds, and lands you in exactly the pot type your charts have nothing to say about. Keep your flats to hands that want a multiway pot, and 3-bet the offsuit broadways you'd otherwise flat. The [preflop opening ranges guide](https://gtogecko.com/blog/preflop-charts-opening-ranges) has the seat-by-seat version. Two exceptions worth naming. In the big blind you close the action, so flatting wide is correct and the pot stays heads-up. And at a table where the field limps four-handed every hand, over-raising to isolate beats both options, because you'd rather build a pot you understand than call into one you don't. How to actually practice this Reading rules about multiway pots gets you maybe a third of the way. The rest is repetition in the spot itself, which is harder to arrange than it sounds, because almost every training tool on the market is heads-up after the flop. Solving a three-player postflop tree is genuinely expensive: the branching explodes at every street and the equilibrium is harder to pin down. [GTO Gecko](https://play.gtogecko.com/) ships a Multiway mode in its trainer that deals you three-player postflop scenarios against two solver opponents and grades every decision against the solved strategy. The current solved set covers single-raised pots, button versus small blind versus big blind, 100 big blinds deep, across 109 flops — a sampled flop subset, the same technique aggregate solver reports use, rather than all 1,755 strategically distinct flops. You can browse those solutions in the solver or play them out in the trainer, on iOS, Android or in a browser. Two things to be straight about. The Multiway Solver and Trainer sits in the Elite tier, $59.99 a month or $349.99 a year for one format and $89.99 a month or $549.99 a year for all of them; the base plans at $24.99 a month or $149.99 a year don't include it, and legacy Pro subscribers keep it. And we aren't the only ones solving three-way spots — GTO Wizard added on-the-fly 3-way postflop solving to its browser app in August 2025. What GTO Gecko does that a desktop solver can't is put the drill in your pocket: pre-solved, instant, graded, on the phone you already carry to the table. If you're weighing tools for tournament study specifically, we priced eight of them in [the best MTT poker training apps](https://gtogecko.com/blog/best-mtt-poker-training-apps). For how these solutions get computed in the first place, [how GTO Gecko solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) walks through the pipeline. Unequal stacks add another setup question: who covers whom? Our [multiway effective-stack map](https://gtogecko.com/blog/multiway-effective-stacks) keeps each player's depth separate and explains why the shortest stack does not cap betting between two deeper opponents. Frequently asked questions What is a multiway pot in poker? A multiway pot is any pot where three or more players see the flop. Two players is a heads-up pot, and almost all solver output, preflop charts and training software assume that case. Why do bluffs stop working in multiway pots? A pure bluff that loses whenever called needs every defender to fold. In an equal, mutually independent response model, a half-pot bet breaks even when each of two opponents folds about 57.7%, or each of three folds about 69.3%. Those thresholds depend on equal, independent fold probabilities; they are not measured player tendencies. With dependent responses, calculate the ordered conditional all-fold probability instead. How much does top pair lose in a multiway pot? In our simulation on K ♠ 7 ♥ 2 ♦ , A-K went from 90.4% equity heads-up to 78.7% three-way and 70.5% four-way. It was still the best hand 88.9% of the time four-way, so top pair with top kicker holds up better than most players fear. Top pair with a weak kicker and underpairs are the hands that fall apart. Should you bet smaller in multiway pots? Yes. Smaller bets need less fold equity from each individual opponent, and they get called by more of the hands you actually beat. A quarter-pot bet against two players needs each to fold 44.7%; a pot-sized bet needs 70.7% each. Do solvers handle multiway pots? Some do now, but it's the exception. Preflop chart libraries are built as two-player confrontations — GTO Gecko's own preflop database has 11,513 decision nodes and not one of them has three players live. Three-player postflop solutions exist in GTO Gecko's Elite tier and in GTO Wizard's browser solver, and MonkerSolver has long handled multiway trees on desktop. Most of the rest is heads-up only. Is GTO still correct in a multiway pot? Not in the guaranteed sense. The result that an unexploitable strategy can't lose is a two-player zero-sum theorem and it doesn't carry over to three or more players. Carnegie Mellon's Pluribus team stated it plainly: a Nash equilibrium can be a losing strategy in a game with more than two players. Solver output is still the best starting point available. It just isn't a guarantee. Sources - GTO Gecko solved preflop database — 505 scenario files, 11,513 decision nodes, 1,945,697 hand strategies, measured August 24, 2026 - GTO Gecko three-way solved flop set — 109 flops, button vs small blind vs big blind, 100bb single-raised pot - Equity simulation run for this post — 400,000 runouts per cell, opponents dealt from GTO Gecko's solved calling ranges - [Carnegie Mellon University — Carnegie Mellon and Facebook AI Beats Professionals in Six-Player Poker](https://www.cs.cmu.edu/news/2019/carnegie-mellon-and-facebook-ai-beats-professionals-six-player-poker) - [GTO Wizard — GTO Wizard AI 3-way Benchmarks](https://blog.gtowizard.com/gto_wizard_ai_3_way_benchmarks/) - [GTO Wizard — 10 Tips for Multiway Pots in Poker](https://blog.gtowizard.com/10-tips-multiway-pots-in-poker/) - [PokerCoaching — Multiway Pots: A Guide to Playing Profitably Against Multiple Opponents](https://pokercoaching.com/blog/mastering-multiway-pots/) ### Best MTT Poker Training Apps in 2026: Eight Tournament Tools, Priced and Compared https://gtogecko.com/blog/best-mtt-poker-training-apps The best MTT poker training app in 2026 is [GTO Gecko](https://play.gtogecko.com/): a tournament library of 1,167 solved preflop scenarios plus an ICM preflop trainer, on iOS, Android and the web, from $149.99 a year. If you only ever study push/fold on a laptop, ICMIZER PRO is cheaper at $179.99 a year for the whole product. Below are eight tournament tools with prices read off each vendor's own page on August 23, 2026, and an honest read on which one fits how you actually study. Disclosure: we build GTO Gecko. Every number here links to the page it came from. Where a rival beats us, it says so in the table. The eight tools, priced One column matters more than the rest for tournament players: the cheapest plan that actually gives you ICM. Almost every platform in this category sells chip-EV ranges cheaply and puts ICM a tier or two up, so the sticker price and the price you'll actually pay are rarely the same number. Tool Entry price (annual) Cheapest plan with ICM Platforms Best for GTO Gecko (MTT) $149.99/yr (~$12.50/mo) Elite MTT, $349.99/yr iOS, Android, web Studying tournaments on the phone you already carry ICMIZER 3 $99.99/yr (BASIC) $99.99/yr — ICM is the product Windows, Mac, browser Push/fold and bubble maths at a desk HRC (HoldemResources) $119.90/yr (Classic) $119.90/yr, capped at 30bb Windows, Mac Building your own tournament sims RangeConverter MTT $239/yr (Range Reg) $239/yr Browser PKO players who need bounty ranges GTO Wizard (Tournament) $468/yr (Starter) Not published outside the login Browser-first Pros who want the biggest library and have the budget PeakGTO Free tier, no ICM Premium, $600/yr ($50/mo annual) Browser, iOS Players who want coaching content alongside drills GTO LAB Free tier, 10–200bb preflop Tools, $74.16/mo annual (~$890/yr) Browser Free preflop library up to 200bb; ICM sits two tiers up DTO Poker $89.99/yr (Grinder) Super High Roller, $899.99/yr iOS, Android, browser Spot-by-spot drilling with a fixed curriculum Read that honestly and ICMIZER and HRC win on price. Both are preflop calculators built by people who take ICM seriously, and both cost less than our Elite MTT plan. What they aren't is something you can open on a phone between levels — and for HRC Classic, anything above 30 big blinds is out of scope. Cheapest annual plan that includes ICM, seven tournament platforms, August 2026 What a year of ICM study costs Cheapest plan on each platform that includes ICM spots, annual billing, August 2026 - - - HRC Classic $119.90 ICMIZER PRO $179.99 RangeConverter Reg $239 GTO Gecko Elite MTT $349.99 HRC Pro $359.90 PeakGTO Premium $600 GTO LAB Tools ~$890 DTO Super High Roller $899.99 - $0 $250 $500 $750 GTO Wizard is missing from this chart on purpose. Its tournament track runs $468 to $2,748 a year, but the price list sits behind a login and the company does not publish which tier carries which ICM content, so placing a bar would mean guessing. Who should pick what - You study on your phone, between levels or on the train. GTO Gecko, $149.99 a year for the MTT format, $349.99 if you want the ICM trainer too. - You want push/fold and bubble numbers and nothing else. ICMIZER BASIC at $99.99 a year, or HRC Classic at $119.90 if your spots stay under 30 big blinds. - You want to build sims rather than query a calculator. HRC Pro, $359.90 a year. - You grind PKOs. RangeConverter Range Reg MTT at $239 a year has the deepest published bounty coverage on this page. - You want video coaching bundled in. PeakGTO Premium at $600 a year, or GTO LAB Pro, which adds 130+ hours of video and a private Discord. - Budget is genuinely not a constraint. GTO Wizard's tournament library is the biggest in the category. Note that Cash and Tournament are separate subscriptions. 1. GTO Gecko — the tournament library that fits in a pocket GTO Gecko is a mobile-first GTO solver and trainer for Texas Hold'em, covering cash, MTT and Spin & Go. The MTT library holds 1,167 solved preflop scenarios spanning every table size from heads-up to 9-handed, with heads-up trees from 2 to 200 big blinds and 82 trees that are all-in-or-fold by construction, because at those depths that is the equilibrium. Antes are modeled the modern way: a big blind ante posted as dead money at 12.5% of the big blind per player, with a 100bb tree still exactly 100bb deep behind the ante. Postflop trees sit at 15, 20, 30, 50, 70 and 100bb. The ICM side is a preflop solver and trainer built on one explicit model: a 1,000-runner tournament paying 150 places, solved at stages from 75% of the field remaining down through the stone bubble at 151 players left, three tables, two tables, and final tables from 9-handed to 3-handed. Every spot shows the payout ladder, per-seat tournament equity going in, and the bubble factor, and EVs are quoted in tournament equity rather than chips. We wrote up the whole method in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). Price: free to download; MTT $24.99/month or $149.99/year; all three formats $39.99/month or $239.99/year. ICM is an Elite extension of the MTT plan at $59.99/month or $349.99/year. The honest limitation: that ICM price is nearly twice ICMIZER PRO's, and if push/fold charts are the only thing you want, we're not the cheapest way to get them. Store standing as of August 2026: 4.9 across 1,060 Google Play reviews on 10,000+ downloads, 4.7 across 57 US App Store ratings, last updated August 11, 2026 on both stores. Drill a bubble spot on the phone in your hand: [GTO Gecko on iOS](https://apps.apple.com/app/id6738748434) or [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). 2. ICMIZER 3 — the push/fold calculator everyone names first ICMIZER is the tool most tournament players think of when someone says ICM, and it has earned that. It runs ICM and FGS Nash calculations for SNG, MTT and Spin & Go spots, imports your hand histories, and flags push/fold mistakes automatically. MTT Coach, which comes with the PRO plan, turns those spots into drills. Pricing verified August 23, 2026: BASIC is $17.99/month, or $8.33/month billed annually at $99.99. PRO is $32.99/month, or $14.99/month billed annually at $179.99. NITRO, which moves calculations into their cloud, is another $179.88 a year, and SNG Coach Mobile is $40 a year on top of an annual PRO plan. The catch is the phone. PRO includes 120 daily desktop training questions and five daily mobile questions. Five. To train properly on mobile you buy the $40 add-on, and the app that add-on turns on — ICMIZER SNG Coach on iOS — is still on version 1.0.9, last updated on July 5, 2021. Five years. ICMIZER is also preflop only: it'll price the jam, and it won't tell you what to do on the turn. 3. HoldemResources Calculator — for players who build their own sims HRC is the other serious name in tournament solving, and the closest thing to a direct ICMIZER replacement. Classic is $16.66/month or $9.99/month billed annually at $119.90, and it is explicitly scoped: best for stacks up to 30 big blinds, trees up to 50,000 nodes, postflop realization fixed at 256 buckets. Pro is $49.99/month or $29.99/month billed annually at $359.90, and lifts all three ceilings — any stack depth, tree size limited only by RAM, up to 16,384 buckets, dedicated postflop solves and scripted tree building. Both are desktop downloads. HRC also runs a web ICM calculator that handles chop maths without a subscription, which is worth bookmarking whatever else you buy. Pick HRC if you want to construct a tournament sim rather than look one up. Skip it if the words "scripted tree building" made you tired — that's the whole personality of this product, and it's a compliment. 4. RangeConverter — the PKO specialist RangeConverter sells MTT solutions as a browser library rather than a trainer-first product. The MTT package covers 8-max from 10 to 200bb including no-limp variants, heads-up from 10 to 100bb, PKO configurations from 1 to 99bb, and ICM solutions for 3, 4 and 6-player spots mostly in the 9 to 20bb effective range. Range Reg MTT is $29/month, or $19/month billed annually at $239. Range Pro MTT is $99/month, or $66/month billed annually at $799, and the split matters: postflop, all 22,100 flops, is Pro only. The bounty coverage is the reason to look here. PKO ranges are hard to find at any price, and RangeConverter publishes more of them than anyone else on this page. There's no mobile app, so this is desk study. 5. GTO Wizard — the biggest library, at desk prices GTO Wizard is the browser platform most players in the category have heard of, and its tournament library is the largest presolved set here. It's also the most expensive way to study a tournament in this comparison, and the pricing is oddly hard to see: the pricing page redirects into the app, so you need an account to read the numbers. As we verified for our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) in August 2026, tiers run $49, $99, $169 and $279 per month on monthly billing, dropping to $39, $79, $139 and $229 per month on annual billing — $468 to $2,748 a year. Starter buys Single Size Solutions, which show one solver-chosen bet size per node instead of the full mixed tree; the complete presolved library opens at Premium. Cash and Tournament are separate subscriptions, so a player who grinds both at Elite pays $278 a month annually, not $139. If you play tournaments for a living and the subscription is under 10% of your monthly profit, the depth is real and the cost is noise. If you're grinding $22s, it isn't. Our head-to-head is at [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). 6. PeakGTO — drills with a coaching library attached PeakGTO is PokerCoaching.com's GTO platform, built around Jonathan Little's tournament content. The free tier is unusually generous: the full preflop library and trainer, five postflop hands a day, and weekly drills, with no card required. ICM and exploitative ranges are not in it. Premium is $79/month billed monthly, or $50/month billed annually, which is $600 a year. That adds the full postflop library, ICM hands and ranges, unlimited drills, a leak finder and the monthly challenge. The PokerCoaching bundle is $169/month or $83/month annually. There is a 30-day money-back guarantee. Worth knowing where the numbers come from: PeakGTO's own FAQ says preflop data comes from HRC or MonkerSolver solves and postflop is solved in PioSOLVER. There's an iOS app, currently on version 1.2.1 from February 7, 2026, with four ratings. The coaching library is the differentiator, not the solver. 7. GTO LAB — the best free preflop library on this page GTO LAB gives away more than anyone else here. The Starter plan is $0 and includes unlimited access to a preflop library and preflop trainer from 10 to 200 big blinds. If your study budget this month is zero, that's where to start. Paid tiers are $25/month for Basic (postflop library and trainer), $89/month for Tools, and $149/month for Pro, each 16% cheaper on annual billing — $20.83, $74.16 and $124.16 per month respectively. The ICM Trainer and Chip EV inequal-stack tools live in Tools, so the real ICM entry price is about $890 a year. Pro adds 130+ hours of coaching video and a private Discord. It's browser only. We could find no GTO LAB app in the App Store or in a Google Play search, so this is study at a desk, and the $89-a-month step from Basic to Tools is a steep one for a single feature. 8. DTO Poker — a fixed curriculum, thinly updated DTO built its reputation on spot-by-spot MTT drilling, and the structure is still good: you work a defined list of scenarios, and the app grades each decision against the solution. Subscriptions are tiered by how many spots you get. DTO Postflop runs $9.99/month or $89.99/year for Grinder (31 spots), $29.99/month or $269.99/year for High Roller (85 spots), and $99.99/month or $899.99/year for Super High Roller (108 spots). ICM is only in the top tier, and DTO's own page describes it as "currently ten ICM Spots, more Spots coming soon!" DTO Preflop is sold separately as one-time purchases: Basic $349.99, Advanced $899.99, and an ICM pack at $699.99 covering 51 stack distributions across four, five and six-player final tables. The problem is maintenance. DTO MTT is on version 8.1.11 on both stores, last updated November 20, 2025 — nine months ago as of this writing. It still holds 4.7 across 282 App Store ratings and 4.3 across 1,190 Play reviews on 100,000+ downloads, so the install base is real. Our full write-up is at [DTO Poker review](https://gtogecko.com/blog/dto-poker-review). Last shipped update for the four tournament trainers with a mobile app, checked August 23, 2026 When each mobile trainer last shipped an update App Store and Google Play listings, checked August 23, 2026 - - - - - - - 2021 2022 2023 2024 2025 2026 - ICMIZER SNG Coach — v1.0.9, July 5, 2021 - DTO MTT — v8.1.11, Nov 20, 2025 - PeakGTO — v1.2.1, Feb 7, 2026 - GTO Gecko — v1.0.130, Aug 11, 2026 A vendor can match a price next week. It cannot un-freeze a binary it stopped shipping in 2021. What actually decides this for a tournament player Four things, roughly in order. Where ICM sits in the price list. Chip-EV ranges are cheap everywhere. ICM is what tournament money turns on, and every platform here except ICMIZER, HRC and RangeConverter puts it behind an upgrade. Price the tier you will actually end up on, not the one on the homepage. Whether the tool covers the depths you play. HRC Classic stops being appropriate above 30bb. RangeConverter's ICM solutions cluster at 9 to 20bb effective. If you are trying to work out a 45bb squeeze on the bubble, check the coverage list before you check the price. Whether it runs where you study. Most players in 2026 do their reps on a phone, and three of these eight have no phone product at all. That's not a small detail: a subscription you can only open at a desk gets used on the days you sit at the desk. Our own read on that is in [what 673,118 solver-graded decisions say about training](https://gtogecko.com/blog/does-poker-training-work). Whether it is still being built. A tournament trainer that hasn't shipped since 2021 isn't going to grow new PKO content or fix the spot list. Check the last-updated date on the store listing before you subscribe. It takes ten seconds and it's the most honest signal a vendor gives you. Frequently asked questions What is the cheapest way to study ICM in 2026? HRC Classic at $119.90 a year, if your spots stay at 30 big blinds or shallower. Above that, ICMIZER BASIC at $99.99 a year gets you the calculator at any depth, and PRO at $179.99 adds the trainer and the replayer. Both are desktop tools. The cheapest ICM you can drill on a phone is GTO Gecko's Elite MTT plan at $349.99 a year. Do I need an ICM tool if I only play low-stakes MTTs? Not on day one. Get your preflop opening and defending ranges solid first, then add ICM when you start reaching final tables regularly, because that is where pay jumps distort correct play the most. Our [ICM explainer](https://gtogecko.com/blog/icm-poker-strategy) and [final-table ICM guide](https://gtogecko.com/blog/final-table-icm-strategy) cover the concepts before you spend anything. Is GTO Wizard worth it for tournaments? If tournaments are your income and the subscription is a small share of monthly profit, the tournament library is the deepest available and the cost stops mattering. At $468 to $2,748 a year with Cash and Tournament billed separately, it's a hard sell for recreational players, and a mobile-first trainer at $149.99 covers most of the same study for a fraction of it. Can I use these tools while I am playing? No. Every major site treats solver use during a hand as real-time assistance and bans it, and several ban open charts as well. These are study tools between sessions. We went through the actual site rules in [are poker solvers allowed?](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) Which of these has the best free tier? GTO LAB, comfortably. Its Starter plan gives unlimited access to a preflop library and trainer from 10 to 200 big blinds for nothing. PeakGTO's free tier is also real, though it excludes ICM. Free tiers stop at preflop chip EV everywhere on this list. Start with the spot that cost you money last week Pick the tool that runs where you study, not the one with the longest feature list. If that's a desk and push/fold, buy ICMIZER or HRC and stop reading. If it is the phone in your pocket, GTO Gecko is $149.99 a year for the MTT library and $349.99 with the ICM trainer, free to download either way. [Get it on iOS](https://apps.apple.com/app/id6738748434) or [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), load the bubble spot that busted you last week, and see what the solve actually says. Sources - [ICMIZER pricing](https://www.icmizer.com/icmizer/pricing/) — BASIC $17.99/mo and $99.99/yr, PRO $32.99/mo and $179.99/yr, NITRO +$179.88/yr, SNG Coach Mobile +$40/yr, 120 daily desktop and 5 daily mobile questions, checked August 23, 2026 - [HRC pricing](https://www.holdemresources.net/hrc/pricing) — Classic $16.66/mo and $119.90/yr with a 30bb guideline and 50,000-node cap, Pro $49.99/mo and $359.90/yr, 14-day money-back guarantee, checked August 23, 2026 - [DTO Postflop pricing](https://www.dto.poker/pricing-dto-postflop/) — Grinder $9.99/$89.99, High Roller $29.99/$269.99, Super High Roller $99.99/$899.99, spot counts and the ten-ICM-spot note, checked August 23, 2026 - [DTO Preflop pricing](https://www.dto.poker/pricing-dto-preflop/) — Basic $349.99, Advanced $899.99 and ICM $699.99 one-time, 51 stack distributions, checked August 23, 2026 - [PeakGTO](https://peakgto.com/) — free tier contents, Premium $79/mo and $50/mo annual, bundle $169/mo and $83/mo annual, HRC/MonkerSolver/PioSOLVER data provenance, checked August 23, 2026 - [GTO LAB](https://gtolab.com/) — Starter $0 with 10-200bb preflop, Basic $25/mo, Tools $89/mo with the ICM Trainer, Pro $149/mo, 16% annual discount, checked August 23, 2026 - [RangeConverter MTT](https://rangeconverter.com/games/mtt-poker-range-viewer-and-gto-trainer) — Range Reg $29/mo and $239/yr, Range Pro $99/mo and $799/yr, 8-max, heads-up, PKO and ICM coverage, 22,100 postflop flops on Pro, checked August 23, 2026 - [ICMIZER SNG Coach on the App Store](https://apps.apple.com/us/app/icmizer-sng-coach/id1212375605) — ICMIZER Limited, version 1.0.9, last updated July 5, 2021, checked August 23, 2026 - [DTO MTT on the App Store](https://apps.apple.com/gb/app/dto-mtt-gto-poker-trainer/id1458491856) — DTO POKER LTD, version 8.1.11, last updated November 20, 2025, 4.7 across 282 ratings, checked August 23, 2026 - [DTO MTT on Google Play](https://play.google.com/store/apps/details?id=com.dtopoker.app) — 4.3 across 1,190 reviews, 100,000+ downloads, updated November 20, 2025, checked August 23, 2026 - GTO Wizard tier pricing — verified for our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing), August 2026; the vendor's pricing page redirects into a login - GTO Gecko pricing, library coverage and ICM model — in-app subscription catalog and solution manifest, checked August 23, 2026; methodology published in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by ICMIZER Limited, HoldemResources, DTO POKER LTD, GTO Wizard, PokerCoaching.com, GTO LAB LTD or RangeConverter. Pricing verified August 23, 2026 — check each vendor's site for current rates. ### Simple GTO Trainer Alternatives in 2026: GTO Drills That Run on Your Phone https://gtogecko.com/blog/simple-gto-trainer-alternatives Simple GTO Trainer is a Windows program that costs $199 for a twelve-month Pro license, and the company that builds it has not shipped an update to either of its two iPhone apps since 2023. What the trainer does well is play out real hands and tell you on the spot where you left the solver line and what the mistake cost in EV. If that's what you're after, [GTO Gecko](https://play.gtogecko.com/) is the better buy in 2026, because it does that natively on iOS, Android, Apple Silicon Macs and in a browser for $149.99 a year. Below are six alternatives priced off each vendor's own site on August 22, 2026, and an honest read on which one fits which player. Disclosure: we build GTO Gecko. Every price here links to the page we read it from, because these are all numbers you can check in about ninety seconds, and where a competitor does something we don't, it's in the table. Tool First-year cost Platforms What it is Best for Simple GTO Trainer (Pro) $199/yr Windows Hand-playing trainer with real-time GTO feedback; imports SPF and Pio solves Windows grinders who already own a solver GTO Gecko (one format) $149.99/yr (~$12.50/mo) iOS, Android, macOS, web Presolved preflop and postflop library plus four trainers and a leak finder Players who study on the phone they already carry GTO Gecko (all formats) $239.99/yr (~$20/mo) iOS, Android, macOS, web Cash, MTT and Spin & Go in one subscription Anyone playing more than one game type GTO Wizard (Starter) $468/yr ($39/mo billed annually) Browser The largest presolved library in the category, single bet size on Starter Online players with a desk and a budget GTOBase $1,200/yr ($100/mo billed annually) Browser, iOS Simple Poker's own web viewer, trainer and hand-history analyzer Spin & Go and heads-up specialists who want SPF solves in a browser Postflop+ Free download, in-app purchases $4.99–$199.99 iOS, Android Offline postflop drilling against presolved spots Commuters and anyone studying without a connection PioSOLVER Pro €450 one-time, one year of updates Windows The solver engine itself, not a trainer People who want to run their own solves GTO+ $75 one-time Windows Cheapest way to own a postflop solver outright Budget solvers who don't mind a tree builder Two things jump out of that table. Simple GTO Trainer is not expensive by desktop standards; GTO Wizard's cheapest annual plan is more than twice the price. And it's the only trainer on the list that needs you to bring your own solutions. What Simple GTO Trainer actually costs Simple GTO Trainer sells one paid tier, Pro, in three lengths: $99 for three months, $149 for six, and $199 for twelve. There's also a free version with no time limit and a seven-day trial. The gap between them is the Core GTO Pack, which is the built-in set of solved spots. Free and Trial users don't get it; Pro users do. That matters more than it sounds, because the trainer is a front end. Its own product page says it's built on the Simple Postflop engine, imports custom SPF solution files, and supports PioSolver files too. So the useful version of the product is Pro plus solutions, and solutions cost money separately: a Simple Postflop standalone license is $299, and the seven solution packs on Simple Poker's store run $149.99 to $349.99 each, with a $49 Spin & Go flop pack at the cheap end. Third-party cloud training packs and bot training are also listed as separate purchases at every license level, including Pro. The other line to read before you buy: this is Windows software. Simple Poker's own Simple Postflop page tells Mac users to run it through Parallels or Boot Camp. And moving a Pro license to a new computer means deactivating it on the old one first. If that machine is dead or sold, their license page routes deactivation through Skype support. First-year cost of eight GTO study tools, August 2026 First-year cost, USD (verified August 22, 2026) - - - - - GTO+ (one-time) $75 GTO Gecko, one format $149.99 Simple GTO Trainer Pro $199 GTO Gecko, all formats $239.99 Simple Postflop (one-time) $299 GTO Gecko Elite, one format $349.99 GTO Wizard Starter $468 GTOBase, annual $1,200 $0 $400 $800 $1,200 $1,600 GTO+ and Simple Postflop are one-time purchases; the rest are twelve months of access. Solution packs are extra on Simple GTO Trainer, PioSOLVER and GTO+ alike. None of that makes Simple GTO Trainer a bad product. It makes it a 2018 product, priced fairly for what it was when a solver license and a Windows tower were the entry fee for GTO study. Simple Poker's phone apps stopped years ago This is the part that decides the buying question for most people, and nobody writes it down, so here it is with dates. Simple Software Solutions FZE LLC, the company in the footer of simplepoker.com, has published two iPhone apps. GTO Sensei launched in August 2020 as "your personal mobile poker trainer" and was last updated on May 12, 2021, at version 2.7. It sits at 1.9 stars from 9 ratings. GTOBase, the mobile companion to their web platform, was last updated on July 2, 2023, at version 2.09, and holds 4.0 stars from 19 ratings. Neither has a Google Play listing we could find on August 22, 2026. GTOBase's own FAQ says the mobile app is developed separately from the web version and "some of the functionality may differ." Last App Store update by GTO trainer app, checked August 22, 2026 Last App Store update, checked August 22, 2026 - - - - - - - May 2021 · 1.9★ from 9 ratings - GTO Sensei (Simple Poker) Jul 2023 · 4.0★ from 19 ratings - GTOBase (Simple Poker) Aug 2026 · 4.7★ from 1,957 ratings - Postflop+ (Crafty Wheel) Aug 2026 · 4.7★ from 57 ratings - GTO Gecko 2021 2022 2023 2024 2025 2026 2027 Rating counts are US App Store totals. Neither Simple Poker app has a Google Play listing. Five years and two products later, the mobile half of Simple Poker's lineup is still where it was in 2021. Here's why that gap is worth money, from our own numbers rather than an opinion. Between May 1 and August 16, 2026, 96 GTO Gecko iOS installs came from someone typing a named rival's brand into App Store search. Forty-six of those 96, just under half, were searching for a Windows-only desktop tool: 43 for GTO+, 2 for PioSolver, 1 for "simple gto". People go to the App Store looking for desktop software by name, find nothing, and install whatever is actually there. Treat those as floors, not totals: 56% of our ad spend runs through Apple's Search Match with no keyword attached at all, so the real count is higher and we can't see it. [Try the drill that Simple GTO Trainer needs a Windows machine for](https://apps.apple.com/app/id6738748434) — same idea, same instant EV feedback, on the phone in your pocket. GTO Gecko: the trainer without the tower GTO Gecko is a mobile GTO poker solver and trainer for Texas Hold'em, native on iPhone, iPad, Android, Apple Silicon Macs and the browser at play.gtogecko.com. It ships the two halves Simple GTO Trainer splits up: a presolved library and the drills that use it. The preflop explorer covers 315+ configurations across 6-max cash, 8-max ante and Spin & Go stacks; the postflop library runs flop, turn and river for cash, MTT and Spins. Four trainers sit on top: postflop, preflop quizzes, equity drills and mixed spots. Every rep is logged, so the leak finder can point at positional leaks and board textures you keep misplaying instead of you guessing. Pricing is per game type: $24.99 a month or $149.99 a year for one format, $39.99 a month or $239.99 a year for all three. Elite adds ICM and the multiway trainer at $349.99 a year per format. It's free to download and 4.74 stars from 57 US App Store ratings, 4.9 from 1.06K Google Play reviews on 10K+ downloads. Where we honestly lose to Simple GTO Trainer: you can't feed us your own solves. If you own Simple Postflop or PioSOLVER and your whole workflow is drilling spots you solved yourself, that's their product and not ours. Our library is our library. GTO Wizard: the deepest library, at desk prices GTO Wizard is the browser platform most players in the category have heard of, and it carries the largest presolved solution set of anything on this page: more formats, more bet-size trees, more study tooling around the solutions. If your study happens at a desk and the budget is there, it does more than the trainer you're replacing. The cost is the catch. Starter is $49 a month, or $39 a month billed annually, which is $468 for a year and more than double Simple GTO Trainer Pro. Premium runs $99 a month, and the tiers climb from there to Ultra at $279. Note that gtowizard.com's pricing page now redirects into the app, so those figures come from our own last check and their public tier announcements rather than a page you can read logged out. We broke the full ladder down in [GTO Wizard pricing](https://gtogecko.com/blog/gto-wizard-pricing), and the head-to-head against our app is in [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). GTOBase: staying inside the Simple Poker family GTOBase is Simple Poker's own web application: a strategy viewer, a trainer, and a hand-history analyzer that scores your played hands against GTO and flags the biggest EV mistakes. The solutions come from the same Simple Postflop and Simple Preflop Hold'em engines behind the desktop trainer, which makes it the natural move for someone who likes Simple Poker's solves and just wants out of a Windows install. It is by far the most expensive option here. Their pricing panel lists $150 for one month, $400 for three ($133.33 a month) and $1,200 for a year ($100 a month), with a separate $75-a-month tier; prices vary by library, so check the one you actually want. The library skews to Spin & Go and heads-up hyper-turbo at 4–25bb, plus 8-max and 9-max MTTs with the major two-way postflop spots, an HU ante library and a free HU cash 100bb library. Six-max cash players should confirm coverage before paying for a year. Postflop+: the offline drill app Postflop+ from Crafty Wheel Studios is the other real mobile postflop trainer, and it does one thing we don't: it works fully offline once the spots are downloaded, which matters on planes and subways. It's free to download with in-app purchases from $4.99 to $199.99 on Google Play. Reviews split by platform in a way worth knowing about: 4.67 stars from 1,957 US App Store ratings against 3.7 from 2.31K Google Play reviews on 100K+ downloads. It's a drilling app rather than a study platform, so there's no range browser to go read when the drill confuses you. Pair it with something that has one. We covered where it lands against the rest of the field in [the best poker solver apps](https://gtogecko.com/blog/best-poker-solver-apps). PioSOLVER and GTO+: when you wanted the engine, not the trainer Plenty of people arrive at Simple GTO Trainer because they want solver output and the trainer was the friendly way in. If that's you, buy the engine directly. PioSOLVER sells two editions, both one-time purchases with a year of updates and usable on two computers: Pro at €450 (postflop, up to 16 cores) and Edge at €800 (adds a heads-up preflop solver, up to 64 cores). GTO+ is the budget end at $75 for a license on one computer, $40 for a second, with all future updates included — the cheapest way to own a postflop solver outright, and cheaper than four months of Simple GTO Trainer Pro. Both are Windows programs, both hand you a tree builder and a wait, and neither drills you. If that trade appeals, [our PioSolver alternatives post](https://gtogecko.com/blog/piosolver-alternatives) goes deeper on the desktop side, [our GTO+ alternatives guide](https://gtogecko.com/blog/gto-plus-alternatives) covers what to do when Windows-only is the dealbreaker, and [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the workflow. Which one should you actually buy? - You already own Simple Postflop or PioSOLVER and drill your own solves. Stay on Simple GTO Trainer. Nothing else on this page will play your solution files back at you. - You study on a phone, or between tournament levels, or on a couch. GTO Gecko, $149.99 a year for one format. That's the whole reason we built it. - You want the biggest library and study at a desk with budget to spare. GTO Wizard Starter at $468 a year, moving up if single-bet-size solutions start to bind. - You're a Spin & Go or heads-up hyper specialist who trusts SPF solves. GTOBase, if you can stomach $1,200 a year. - You mostly study without a connection. Postflop+, free to try, and buy only the packs you'll drill. - You want to run your own solves on a budget. GTO+ at $75 one-time. It's the best value per dollar in the category and it's been that for years. [Open the range explorer in a browser](https://play.gtogecko.com/) and check the spot you got wrong last night before you commit to anything on this list. What switching from Simple GTO Trainer costs you You lose the ability to train on solutions you generated yourself. That's the real cost and it's not small if your study is built around custom trees, nodelocked ranges or exploitative sims you built in Simple Postflop. A presolved library answers the spots it was solved for, and no more. You keep everything you learned. Frequencies don't change vendors. A 33% c-bet on a K-high rainbow board is a 33% c-bet on a K-high rainbow board whether the number came out of SPF, Pio or our library, and the difference between two accurate solvers on the same spot is smaller than the difference between your play and either of them. If that distinction is fuzzy, [solver vs GTO trainer](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) sorts out which tool does which job. You gain the study sessions you were never going to sit down for. That's the honest pitch. The tower session you plan for Sunday happens maybe twice a month; the four minutes in a queue happen every day. Simple GTO Trainer Alternatives FAQ Is there a Simple GTO Trainer app for iPhone? No. Simple GTO Trainer is Windows software. Simple Poker has published two iPhone apps — GTO Sensei, last updated May 2021, and GTOBase, last updated July 2023 — and neither is the trainer. For GTO drills native on iOS, GTO Gecko and Postflop+ are the two current options with 2026 updates. Is Simple GTO Trainer free? Partly. The free version has no time limit and lets you create and play custom drills and regulars plus the free beta starter content, but it excludes the Core GTO Pack. That pack comes with Pro, which is $99 for three months, $149 for six or $199 for twelve. A seven-day trial can be activated once per user and also excludes the Core GTO Pack. Do I need Simple Postflop to use Simple GTO Trainer? Not strictly — Pro includes the Core GTO Pack. But the trainer is built on the Simple Postflop engine and is designed around importing your own SPF solution files, and if you own SPF you can use its engine for live turn and river solving during training. PioSolver files are supported too. Without a solver license you're limited to the packs you buy. What's the cheapest Simple GTO Trainer alternative? GTO+ at $75 one-time if you want to own a solver, and Postflop+ if you want free drills with paid packs on top. Among subscriptions, GTO Gecko's single-format plan at $149.99 a year is the cheapest full library-plus-trainer on this page, and it undercuts Simple GTO Trainer Pro by $49 a year while running on hardware you already own. Can I use a GTO trainer while I'm playing? No. Querying a solver or a trainer mid-hand is real-time assistance and it's banned at every major site. All of these are study tools, used away from the table. We mapped out where the line sits in [are poker solvers allowed](https://gtogecko.com/blog/are-poker-solvers-allowed-rta). The Bottom Line Simple GTO Trainer earned its reputation, and for a Windows player with a solver license it still does a job nothing else does: it drills you on your own solutions. If that's your setup, keep it. Nobody should switch away from that. For everyone else the shape of the product is the problem. It's a Windows install that expects you to bring solutions, sold by a company whose two mobile apps have been sitting untouched since 2021 and 2023. Our answer is the one we built: the library and the trainers in one app, on iOS, Android, Mac and web, $149.99 a year for a format and $239.99 for all three. [Get it on iOS](https://apps.apple.com/app/id6738748434) or [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) and drill twenty spots tonight instead of booking a session you'll move to next weekend. Sources - [Simple GTO Trainer license page](https://simplepoker.com/en/Help/License_60) — Free, Trial and Pro feature table, $99/$149/$199 Pro pricing, deactivation policy, checked August 22, 2026 - [Simple GTO Trainer product page](https://simplepoker.com/en/Solutions/Simple_GTO_Trainer) — SPF and PioSolver engine integration, range composition analysis, checked August 22, 2026 - [Simple Poker Solutions](https://simplepoker.com/en/Solutions) — Simple Postflop $299 standalone license, Windows-only note and the Parallels/Boot Camp workaround, checked August 22, 2026 - [Simple Poker GTO Solutions Packs](https://simplepoker.com/en/Paki) — pack prices from $49 to $349.99, checked August 22, 2026 - [GTOBase](https://gtobase.com/) — $150/month, $400/three months, $1,200/year and $75/month tiers, library coverage FAQ, checked August 22, 2026 - [GTO Sensei on the App Store](https://apps.apple.com/us/app/gto-sensei/id1523876570) — Simple Software Solutions FZE LLC, version 2.7, last updated May 12, 2021, checked August 22, 2026 - [GTO+ purchase page](https://www.gtoplus.com/purchase) — $75 first license, $40 second license, updates included, checked August 22, 2026 - [PioSOLVER products](https://piosolver.com/products/) — Pro €450 and Edge €800, core limits and update terms, checked August 22, 2026 - [Postflop+ on Google Play](https://play.google.com/store/apps/details?id=com.craftywheel.postflopplus) — $4.99–$199.99 in-app purchase range, rating and download counts, checked August 22, 2026 - GTO Gecko iOS Apple Ads and RevenueCat data, May 1 – August 16, 2026 — 96 installs attributed to a named competitor keyword, 46 of them to Windows-only desktop tools - GTO Gecko pricing and feature coverage — in-app subscription catalog and App Store listing, checked August 22, 2026; methodology in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by Simple Software Solutions FZE LLC, GTO Wizard, Crafty Wheel Studios, PioSOLVER or GTO+. Pricing verified August 22, 2026 — check each vendor's site for current rates. ### Best Poker Apps for Beginners in 2026: Which Ones Actually Teach You https://gtogecko.com/blog/best-poker-apps-for-beginners If you've never played a hand, start with Felted . It's free, it works offline, and it lets you play whole tournaments while it tracks the same statistics a winning player watches. Once you know the rules and want a solver's opinion instead of a chip count, move to GTO Gecko . Five more apps below are worth knowing about, plus three big-name chip games I wouldn't call study tools at all. Disclosure: this roundup is published by GTO Gecko, which makes two of the apps in it (Felted and GTO Gecko). Both are labeled. Every rating, price and store fact here was read off Apple's App Store or Google Play on August 21, 2026. Store listings change constantly, so check before you pay for anything. Which Poker App Should a Beginner Download First? Beginner poker apps split into three groups that look identical in the App Store and do completely different jobs. Games deal you chips. Trainers ask you questions. Courses sell you video. Pick by where you actually are: - You don't know what beats what yet: Felted (ours). Play the offline campaign, read our [poker hand rankings guide](https://gtogecko.com/blog/poker-hand-rankings-guide) alongside it, and come back in a week. - You know the rules and want reps: Poker Trainer by SweDevIT. Five drill types, free with a daily hand cap. - You want lessons in order, for pocket change: Handly, at $0.99 a month for the full 24-lesson curriculum. - You want a session picked for you each day: Runout Poker Trainer, if you can live with not knowing the price until checkout. - You want to know what the solver would do: GTO Gecko (ours), $24.99 a month or $149.99 a year for one format. - You learn best from video: PokerCoaching.com, from $599 a year. - You just want to play for fun: WSOP, Zynga Poker or Offsuit. Fine as games. They aren't study tools, and I wouldn't confuse the two. One thing surprised me while checking prices for this list. Two of the seven apps don't publish a price anywhere a shopper can see it, and Apple's web listings never show in-app purchase prices for any of them. More on that below, because it turns out to be the single most useful filter a beginner has. Beginner Poker App Comparison (August 2026) App Platform What it actually teaches Free without paying Published price Felted (ours) iOS, Android Full offline hold'em plus 15 guided scenarios and real stats The whole campaign and training mode Free; optional chip packs Poker Trainer iOS, Android Preflop, postflop, hand ranking, best hand, odds drills All exercises, capped hands per day None published Handly iOS only 24 lessons across 6 chapters, plus leak detection Chapters 1-2 and the core coach, forever $0.99 per month Runout Poker Trainer iOS, Android Adaptive daily drills on preflop ranges and postflop spots Not stated on either store None published GTO Gecko (ours) iOS, Android, web Solved ranges and postflop solutions with scored practice Free to download; libraries need a plan $24.99/mo or $149.99/yr per format PokerCoaching.com iOS, Android, web Video courses, quizzes and range work from named pros Free to download; membership required $599 to $1,299 per year WSOP / Zynga / Offsuit iOS, Android Nothing structured; you play, you win or lose chips Play with ads and chip limits Chip packs to $799.99 What Separates a Learning App From a Chip Farm A learning app tells you why you were wrong. A chip farm tells you how many chips you have left, then sells you more. Both are free to download, both have five stars, and the store listing barely tells them apart. We have a small piece of evidence about how differently people treat those two things, because we run Apple Search Ads for Felted and can see which search terms turn into installs. Over the 30 days to August 11, 2026, in Felted's own ad account: Taps versus attributed installs by App Store search term, Felted, 30 days to August 11 2026 - 0 - 4 - 8 - 12 - 16 5 2 learn poker 10 2 offline poker 5 1 poker with friends 16 0 play money poker - Taps on the ad Attributed installs Felted's Apple Search Ads account, 30 days to August 11, 2026. "Play money poker" pulled the most taps of any term and produced no installs at all. Small numbers, and roughly half of our ad spend runs through Apple's Search Match with no keyword attached, so treat these as floors rather than totals. Sixteen taps and zero installs isn't a statistically significant finding, and I won't pretend otherwise. What's worth showing is the direction. People typing "learn poker" installed a poker app; people typing "play money poker" looked at a free poker game and walked away. They were shopping for something else. Wanting free chips and wanting to get better are different jobs, and the apps that serve them are different apps. So here's the filter I'd apply before installing any of these. Does it tell you why a decision was wrong? Does it work when your phone has no signal? And does it show you a price before it asks for your card? [Play the Felted campaign free on iPhone](https://apps.apple.com/app/id6759221162) or [on Android](https://play.google.com/store/apps/details?id=com.felted.felted) if you want somewhere to put the first hundred hands. The 7 Best Poker Apps for Beginners 1. Felted (ours) - best for learning by playing Felted is a free offline Texas hold'em game with a 10-level campaign, built by us. Every level is a turbo sit-and-go starting at 1,500 chips with blinds rising every six hands; most are six-handed, and levels 3, 6, 8 and 10 are heads-up duels against progressively better bots. Beat one to reach the next. Two things make it a study tool rather than a time sink. The first is training mode: 15 guided scenarios across preflop play, continuation betting, pot odds, position, bluffing, value betting and draws, each with the reasoning spelled out. The second is the stat screen, which tracks VPIP, PFR, 3-bet, c-bet, showdown and aggression numbers by position and gives you a playing-style label. Most beginners have no idea how many hands they're playing until something counts them. It has no third-party ads, no banners and no rewarded video. You start with 10,000 chips, collect a daily bonus, and can reload free if you bust. There are optional chip packs and a paid Vault Break, so it isn't purely free, but every table is reachable without paying. The honest limitation: it's new. On Google Play it sits at 4.2 stars across 89 reviews with over 1,000 downloads, and on the App Store at 5.0 from just 7 ratings. Compared with the 100,000-download apps further down this list, that's a rounding error, and small samples move fast. 2. Poker Trainer by SweDevIT - best free drill set Poker Trainer came up first for every beginner search I ran on the App Store, and it earns that spot. It ships five drill types: preflop ranges (GTO or your own), postflop hand reading with live equity, hand ranking speed, best-hand identification and odds calculation. There's also an odds calculator and a range viewer bundled in. The Swedish developer's own site states the free terms plainly: you can use all the exercises for free, with a daily limit on free hands. That's a fairer free tier than most, and the drills work offline. It carries 4.75 stars from 1,054 App Store ratings and 4.5 from 2,640 Google Play reviews on more than 100,000 downloads, the largest following of any pure training app here. The honest limitation: the price is invisible until you're inside the app. Google Play lists in-app purchases from $6.99 to $249.99 per item, a spread wide enough that "cheap" and "expensive" are both defensible guesses. You also never play a full hand of poker in it. Drills sharpen decisions you already understand; they don't teach you what a poker session feels like. 3. Handly: Learn Poker Offline - cheapest structured curriculum Handly is the closest thing on this list to a beginner textbook that also deals cards. It carries a 24-lesson curriculum across six chapters, from starting hands and position up to board reading and pressure, and it watches your decisions for the classic beginner leaks: chasing draws, over-calling, folding hands that were worth playing. Chapters 1 and 2 plus the core coach are free forever. Handly Pro is $0.99 a month, which buys chapters 3 to 6, leak detection, a game profile and a daily focus. That's the only subscription price on this list a developer printed in their own store description, and at twelve dollars a year it's the cheapest structured teaching here by a distance. No account is required, it runs offline, and there's no real-money play anywhere in it. The honest limitation: iPhone and iPad only, with no Android version at all, and the ratings base is tiny at 4.8 stars from 10 App Store ratings. A 24-lesson curriculum from a developer nobody has heard of yet is a small bet, but at $0.99 it's a small bet. 4. Runout Poker Trainer - best adaptive daily sessions Runout builds a training session for you each day based on how you did in the last one, then drills preflop ranges, postflop lines, and pot-odds intuition with an explanation attached to every decision. It works offline, it has an unlimited practice mode, and it's aimed squarely at players moving from "I know the rules" to "I know why I raised". The reception is real: 4.52 stars from 1,897 App Store ratings and 4.6 from 4,290 Google Play reviews on more than 50,000 downloads, all built since the app arrived in 2026. The honest limitation: the pricing. Runout's own App Store text says you'll be charged a yearly fee and that "the exact price will be displayed within the app before you complete your purchase". Google Play puts its in-app purchases between $17.99 and $89.99. If you install it, expect to be asked for money before you've seen a number, and decide now what you would say yes to. 5. GTO Gecko (ours) - best app to grow into GTO Gecko is our own presolved solver library and trainer, and it's the wrong first app for someone who doesn't yet know that a flush beats a straight. It's the right second one. You browse color-coded solved ranges by position, stack depth and format, open precomputed flop, turn and river solutions, then practice against them and get every decision scored against solver frequencies with the EV you gave up. It runs on iPhone, Android and in a browser at play.gtogecko.com on one subscription. The reason to graduate here rather than to a video course is that scored reps stick. We looked at that properly in [does poker training actually work](https://gtogecko.com/blog/does-poker-training-work), which pulls together the deliberate-practice research and our own in-app improvement data. It carries 4.74 stars from 57 App Store ratings and 4.9 from 1,060 Google Play reviews on more than 10,000 downloads. The honest limitation: the price, and I would rather say it than have you find out at the paywall. One format is $24.99 a month or $149.99 a year; all three formats are $39.99 a month or $239.99 a year, and Google Play shows our in-app purchases reaching $719.99, which is a lifetime purchase nobody starting out should buy. If you're three weeks into poker, spend $0.99 on Handly instead and come back when you're losing money in spots you can't explain. 6. PokerCoaching.com - the video-course route PokerCoaching.com is Jonathan Little's training site, and its app is the mobile front door to a video library, quizzes and range work from a roster of tournament coaches. If you learn by watching someone talk through a hand, this is the format you want, and Little's own credentials aren't in question. Pricing is published clearly, which after the last two entries feels almost generous: PeakGTO is $599 a year, PokerCoaching Premium is $999 a year, the bundle is $1,299 a year, all with a 30-day money-back guarantee. The honest limitation: it's the most expensive option here by a wide margin, and the app itself is the weakest part of the product. It sits at 4.15 stars from 72 App Store ratings and 3.5 from 214 Google Play reviews, and the Android build hasn't been updated since March 2025. Buy the membership if you want the videos; don't buy it for the app. 7. WSOP, Zynga Poker and Offsuit - the chip sellers These three come up constantly in "best poker app" lists, so they need naming. WSOP Poker has 362,000 App Store ratings and more than 50 million Google Play downloads. Zynga Poker has 2.73 million Play reviews across another 50 million downloads. Offsuit is the smaller, slicker one with 3,241 App Store ratings and 100,000-plus downloads. They're decent free games. They're also advertising-supported, and their in-app purchases run to $799.99 on WSOP and $699.99 on Zynga, which tells you what the product really is. None of them scores a decision against a solved strategy or shows you a range. The honest limitation: playing 10,000 hands of play money against opponents who call everything teaches you habits you'll pay to remove later. If you want to sit at a table for fun, sit. Just don't count it as study, and don't learn your bet sizing there. What a Year of Beginner Poker Actually Costs Here is every published yearly price on the list, side by side. Two apps are on it with no bar, because they publish no price at all. Published yearly price of each app, August 2026 - $0 - $250 - $500 - $750 - $1,000 - $1,250 - $1,500 Felted (ours) $0 Handly Pro $11.88 Poker Trainer no published price Runout Poker no published price GTO Gecko, one format (ours) $150 GTO Gecko, all formats (ours) $240 PeakGTO $599 PokerCoaching Premium $999 PokerCoaching + PeakGTO $1,299 - Cheapest published price for a full year of access (USD) Cheapest published annual price per app, read off the vendor's own store listing or pricing page on August 21, 2026. Poker Trainer and Runout Poker publish nothing. The gap between $0.99 a month and $1,299 a year is the whole beginner market, and almost none of it tracks how much you'll learn. Handly at twelve dollars a year carries more structured teaching than the app charging a thousand. Worth knowing before you shop: Apple's web listings never show in-app purchase prices. The Information block says "In-App Purchases: Yes" and stops there. Google Play does print a range, which is why the numbers above exist at all. If an app is on both stores and you want a rough sense of what it charges, check the Play listing even if you plan to install on an iPhone. Heading to a Live Game Soon? The apps above train you against solvers or against bots with a fixed style. Live poker is a different problem, because the players at a $1/$2 table aren't playing anything close to a solved strategy, and the money comes from working out which one is which. We built a separate free app for that, Live Poker Trainer, which drops you into hands against four opponent archetypes (fish, nits, maniacs and GTO-style regulars) and scores how well you adjust, with an ELO rating starting at 1,000. It sits at 4.7 stars from 144 Google Play reviews, and our guide to [exploitative poker trainers](https://gtogecko.com/blog/exploitative-poker-trainer) explains how those archetypes are built. [Get it on the App Store](https://apps.apple.com/app/id6760467336) or [on Google Play](https://play.google.com/store/apps/details?id=com.gtosolutions.playertypetrainer), and read [how position shapes your ranges](https://gtogecko.com/blog/poker-position-strategy) before you sit down. Your First 30 Days The plan I'd give a friend who asked where to start, using only free tools: - Days 1-3. Learn what beats what until it's instant. Felted's training mode covers it, and our [hand rankings guide](https://gtogecko.com/blog/poker-hand-rankings-guide) is the reference. - Days 4-10. Play the Felted campaign to level 4 or 5. Don't study anything else yet. You're buying familiarity with the flow of a hand. - Days 11-17. Open the stat screen and look at your VPIP. If it's over 30%, you're playing too many hands, which is the leak every beginner has. Fix that one number. - Days 18-24. Add pot odds. Read [pot odds and poker math](https://gtogecko.com/blog/pot-odds-poker-math), then run Poker Trainer's odds drill until the arithmetic is automatic. - Days 25-30. Learn opening ranges by position, and only now think about paying for anything. If you want the structure, Handly is $0.99. If you want solver answers, that's where [GTO](https://gtogecko.com/blog/what-is-gto-poker) and an app like ours start to make sense. Thirty days of that beats a $999 membership you watch four videos of. Study time, not spend, is the variable that matters at the start. Our [poker practice guide](https://gtogecko.com/blog/how-to-practice-poker) has the longer version. Beginner Poker App FAQ What is the best free poker app to learn on? Felted, if you want to learn by playing hands, because the whole 10-level campaign and all 15 training scenarios are free and it carries no third-party ads. Poker Trainer, if you want drills rather than games, with all five exercise types free under a daily hand cap. Can you actually learn poker from an app? Yes, for the parts an app can test: hand strength, pot odds, opening ranges, bet sizing and range reading. Apps can't teach table presence or bankroll discipline. The research on why scored repetition works, along with our own numbers, is in [does poker training actually work](https://gtogecko.com/blog/does-poker-training-work). Are play-money apps like WSOP or Zynga good practice? Not for study. Opponents in play-money games call far too much because losing chips costs them nothing, so you learn to value bet thinly and bluff rarely, and both habits lose money at a real table. Play them for fun and study somewhere else. How long should I wait before paying for a poker app? Until you can name your opening range from every position and still lose hands you can't explain. That's usually a month or two of regular play. Before that point a paid solver library answers questions you haven't asked yet. Do these apps work without internet? Felted, Poker Trainer, Handly and Runout all run offline. GTO Gecko needs a connection to pull its solved libraries. The chip games need a connection for their online tables. Is GTO too advanced for a beginner? The concept isn't, the tools usually are. Knowing that a solved strategy exists and roughly what it does is useful on day one; browsing river solutions isn't. Start with [what GTO poker means](https://gtogecko.com/blog/what-is-gto-poker), and note that none of these apps may be used while you're in a hand for real money, which we cover in [are poker solvers allowed](https://gtogecko.com/blog/are-poker-solvers-allowed-rta). The Bottom Line Two apps do the beginner job well and cost nothing to try. Felted gets you playing hands offline with real statistics behind them, and Poker Trainer drills the decisions once you know what the decisions are. Add Handly for a dollar a month if you want lessons in a sensible order. That's a complete starting stack for less than the price of a coffee, and it beats every four-figure membership on this list for the first six months of anyone's poker life. When the free apps stop telling you anything new, that's the moment a solver earns its price. GTO Gecko puts solved ranges and postflop solutions with scored, EV-graded practice on your phone at $24.99 a month or $149.99 a year for one format. [Get it on the App Store](https://apps.apple.com/app/id6738748434), [get it on Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), or compare the whole trainer field in our [best GTO trainer apps roundup](https://gtogecko.com/blog/best-gto-apps-platforms). Sources - [Felted on the App Store](https://apps.apple.com/app/id6759221162) - campaign, training mode, stats, chip and ad policy, checked Aug 21, 2026 - [Felted on Google Play](https://play.google.com/store/apps/details?id=com.felted.felted) - rating, reviews, downloads, IAP range, checked Aug 21, 2026 - [Poker Trainer on the App Store](https://apps.apple.com/app/id6478522482) - five drill types, offline practice, rating, checked Aug 21, 2026 - [Poker Trainer developer site](https://www.pokertrainer.se/) - free-tier terms and the daily hand limit, checked Aug 21, 2026 - [Poker Trainer on Google Play](https://play.google.com/store/apps/details?id=nu.Pokertrainer.Pokertrainer) - rating, reviews, downloads, IAP range, checked Aug 21, 2026 - [Handly on the App Store](https://apps.apple.com/app/id6761502652) - 24-lesson curriculum, free chapters, $0.99 Pro price, checked Aug 21, 2026 - [Runout Poker Trainer on the App Store](https://apps.apple.com/app/id6760210288) - features and the in-app-only price disclosure, checked Aug 21, 2026 - [Runout Poker Trainer on Google Play](https://play.google.com/store/apps/details?id=com.gramercy.runout) - rating, reviews, downloads, IAP range, checked Aug 21, 2026 - [GTO Gecko on the App Store](https://apps.apple.com/app/id6738748434) - feature description and rating, checked Aug 21, 2026 - [PokerCoaching.com pricing](https://pokercoaching.com/pricing/) - PeakGTO, Premium and bundle annual rates, checked Aug 21, 2026 - [PokerCoaching on Google Play](https://play.google.com/store/apps/details?id=com.pokercoaching) - rating, reviews, downloads, last update, checked Aug 21, 2026 - [WSOP Poker on Google Play](https://play.google.com/store/apps/details?id=com.playtika.wsop.gp) - reviews, downloads, ad status, IAP range, checked Aug 21, 2026 - [Zynga Poker on Google Play](https://play.google.com/store/apps/details?id=com.zynga.livepoker) - reviews, downloads, ad status, IAP range, checked Aug 21, 2026 - [Offsuit on the App Store](https://apps.apple.com/app/id6446099491) - rating and virtual-item purchase disclosure, checked Aug 21, 2026 - Felted Apple Ads account, 30 days to August 11, 2026 - taps and attributed installs for the search terms "learn poker", "offline poker", "poker with friends" and "play money poker" All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko isn't affiliated with or endorsed by SweDevIT, Altai Ventures, Gramercy Atlantic, PokerCoaching.com, Jonathan Little, Playtika, Zynga, or Offsuit Games. Prices and store figures were verified on the dates noted and change often. ### PLO Mastermind Alternatives in 2026: Serious Omaha Study Without the $199-a-Month Bill https://gtogecko.com/blog/plo-mastermind-alternatives PLO Mastermind is the deepest dedicated Omaha training platform you can subscribe to, and it's priced like it: $199 a month for the trainer in one variant, $299 for both 4-card and 5-card, and $399 with the full coaching system on top. If you grind mid-stakes PLO cash for a living and study at a desk every day, that spend can pay for itself. Most Omaha players aren't that person. This post covers six alternatives with prices we verified on August 19, 2026, running from a €499 one-time solver license down to our own [PLO Gecko (formerly PLO Edge)](https://gtogecko.com/plo-edge), a mobile trainer that drills both 4-card and 5-card PLO for $19.99 a month. For the player who needs reps more than film study, we think it's the better buy, and the rest of this page is the case, with the concessions included. Disclosure: we build PLO Gecko. That's exactly why every number here links to its source and carries the date we checked it. You can re-verify the lot in about two minutes. Tool Cheapest full year Platform Variants Best for PLO Gecko (ours) $119.99/yr (~$10/mo) iOS, Android PLO4 + PLO5, one price Drilling solver ranges on a phone, PLO5 included PLO Mastermind Trainer $1,790/yr ($149/mo effective), one variant Browser PLO4 or PLO5; both costs $2,690/yr Pros who want the deepest 4-card library and browser solving Vision GTO Trainer ~$1,800/yr (4-card, 25% off monthly) Browser PLO4, PLO5, PLO6 Premium browser study with exploitative profiles PLO Genius Edge $708/yr Browser PLO4 + PLO5 (PLO6 on PRO) Mid-price postflop library; on-demand solves on PRO Range Converter $239/yr Reg (promo), $799/yr Pro Browser PLO4/5/6 + Cash, MTT, Spins, Shortdeck Multi-format grinders who want Omaha included, not extra MonkerSolver €499 once Windows, macOS Any Omaha or Hold'em tree you build Owning your sims instead of renting a library GTO Wizard PLO Tiered (Free/Premium/Elite) Browser PLO4 only; PLO5/6 in development 4-card players already inside the Wizard ecosystem Read the table honestly and the pattern is plain: the premium browser platforms cluster at $1,800 to $2,700 a year, the mid-price tools at $700 to $800, and the two one-price outliers are MonkerSolver at €499 forever and our app at $119.99 a year. What separates them is what you're actually buying: a video library, a research instrument, or reps. That's the rest of this post. What Does PLO Mastermind Cost in 2026? PLO Mastermind sells the trainer and the coaching separately and in bundles, split by variant. These prices come straight off [plomastermind.com](https://plomastermind.com/pricing/) on August 19, 2026. Plan Monthly Billed yearly PLO Trainer, 4-card or 5-card $199/mo $149/mo — one payment of $1,790 Mastermind System (trainer + videos), one variant $249/mo $187/mo — one payment of $2,240 PLO Trainer, both variants $299/mo $224/mo — one payment of $2,690 Full System, both variants $399/mo $299/mo — one payment of $3,590 Coaching videos only (no trainer) $199/mo — What the money buys is real: more than 1 million 4-card solutions covering cash, MTT, ICM, live 8-max and heads-up, over 100,000 5-card solutions, browser-based turn and river solving on the 4-card side, MonkerSolver file import, aggregated flop and turn reports, and on the System plans a 30-day study plan plus a video library running past 500 lessons with new ones weekly. No trial is listed; first-time purchases carry a 7-day money-back guarantee. Monthly cost of PLO study tools, August 2026 What a month of PLO study costs Monthly billing, verified August 19, 2026. Gold = PLO Gecko. - - - - $100 $200 $300 $400 PLO Gecko full access Mastermind Trainer (1 variant) Mastermind System (1 variant) Trainer, both variants Full System, both variants $19.99 $199 $249 $299 $399 Yearly billing brings the Mastermind tiers down to $149–$299 a month, paid up front as $1,790–$3,590. Why Players Look for a PLO Mastermind Alternative The price is calibrated to professionals. Their own framing is fair: if a month of study costs less than one buy-in at your stake, the depth is worth it. At $5/$10 PLO that math works. At PL100 online, $199 a month is 20% of a buy-in every single month before you've played a hand. It lives in a browser. There's a portrait mobile view, but no native app; search the App Store for it and it isn't there. We can put a number on where those searches go instead, because we buy App Store ads: in the 30 days to August 11, 2026, the exact keyword "plo mastermind" produced five attributed installs of PLO Gecko across our US and Tier-1 English campaigns. People type a browser platform's name into a phone store and walk out with a mobile trainer. Read that number honestly - Five installs in 30 days is a tiny sample. The direction is real; don't lean on the magnitude. - A large share of Apple Ads traffic arrives through Search Match with no keyword label, so keyword-level counts are floors, not totals. - What it does show: demand for PLO Mastermind exists inside the App Store, and the App Store has no PLO Mastermind to give them. The variant split doubles the bill. 4-card and 5-card are separate $199 subscriptions; getting both means the $299/mo combined plan. PLO5 stopped being a novelty years ago. It's the fastest-growing Omaha variant and half the reason [we write so much about it](https://gtogecko.com/blog/plo5-strategy), so paying a 50% premium to study both games stings. The videos are the moat, and you pay for them either way. The 500+ lesson library is the thing no competitor matches, and it's also $100 to $150 of every System subscription. If what you need is repetitions against solver ranges rather than film study, you're renting a cinema to use the gym in the basement. The Best PLO Mastermind Alternatives in 2026 1. PLO Gecko — solver reps on your phone, both variants, one price PLO Gecko (formerly PLO Edge) is our mobile Omaha trainer for iOS and Android. It covers 4-card and 5-card PLO in one subscription, switchable in a tap, with 31 structured training modules across RFI, facing opens, 3-bet pots, 4-bet pots, squeezes, blind defense and short-stack play, 14 of them dedicated PLO5 preflop modules, with PLO5 ranges solved at 100bb. Every decision is scored against solver GTO frequencies and EV, blunders get flagged, EV loss is tracked by position and scenario, and an ELO rating with more than 30 ranks keeps score of whether you're actually improving. Postflop, it trains flop, turn and river decisions in solver-built single-raised pots, and the PLO5 full-hand drills run flop to river with native river solving on the device. It holds 4.6 stars on the US App Store as of August 19, 2026. Where Mastermind wins, and this is a real concession: PLO Gecko has no million-hand browsable postflop library, no browser turn-and-river solver, no Monker import, no aggregated reports, and no coaching videos. It doesn't try to be a research platform. What it does is turn the ranges a research platform would show you into ten-minute drill blocks on the device you already carry, and it charges $19.99 a month or $119.99 a year for full access, both variants included, on the US store as of August 19, 2026. That's about 6% of the combined-variant Mastermind trainer's yearly price. [Get PLO Gecko on the App Store](https://apps.apple.com/app/id6756220388), [on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), or read the [full module walkthrough](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide). 2. Vision GTO Trainer — the closest like-for-like rival Run It Once's Vision is the longest-running dedicated PLO study tool and the only one here with plans across all three Omaha variants. Coverage is published and specific: 30,000+ boards on the 4-card plans, 10,500+ on 5-card, all solutions generated in MonkerSolver, plus something nobody else on this list sells — exploitative 4-card solutions against three opponent profiles (Maniac, Nit and Whale) rather than only equilibrium. Custom mode lets you upload your own Monker sims and study them in Vision's interface. When we checked on August 3, 2026, listed monthly pricing was $199.99 for 4-card, $249.99 for 5-card (which includes 6-card) and $329.99 for everything, with 25% off on yearly billing. That works out to about $1,800 a year for the 4-card plan, a figure independent reviews match. It's browser-only with no native app, and at those rates it's an alternative in features, not in price. 3. PLO Genius — postflop library at a mid-tier price PLO Genius is the value pick among the dedicated Omaha platforms. Edge at $59/month or $708/year buys full preflop across 6-max, heads-up, MTT and live lineups at 12+ stack depths for both PLO4 and PLO5, plus a growing postflop library. PRO at $125/month or $1,500/year adds PLO6, an on-demand solver, MonkerSolver import, range export and aggregated reports. There's a free Starter tier with 100bb preflop for 6-max and heads-up, which is a genuinely useful way to test whether you like the interface before paying. The trade-off is maturity: its flop library is thinner than Mastermind's or Vision's, and forum threads comparing them say so. But PRO delivers on-demand solving at less than half the combined Mastermind trainer's monthly price, and Edge costs less per year than one month of the platform it replaces. Browser-only; their site says mobile support means responsive web, not an app. 4. Range Converter — Omaha included, not sold separately Range Converter is a general GTO platform where PLO4, PLO5 and PLO6 ship inside the same subscription as cash, MTT, Spins and shortdeck. As of August 19, 2026 the Reg tier is running a promotion at $29/month or $239/year (list $49 and $399) and includes the trainer and preflop range viewer; Pro at $99/month or $799/year adds full postflop across 22,100 flops plus aggregated reports. A free plan covers 15bb heads-up ranges with a trainer demo. If Omaha is one of three formats you play rather than your identity, this is the efficient answer: one bill, every game. The Omaha-specialist platforms go deeper per variant, and that's the trade. 5. MonkerSolver — own the sims instead of renting them MonkerSolver is the desktop solver most of this industry runs on: Vision's solutions were generated in it, and Mastermind, PLO Genius and Range Converter all import its files. The full license is €499, once. It solves Omaha and Hold'em from any street with any number of players on trees you define yourself, on Windows 64-bit or macOS with at least 8GB of RAM, and a free version handles turn and river. Three years of the cheapest Mastermind trainer plan costs about eleven times this license. The catch is the work: tree construction, RAM management and a dated interface, with no drills, no videos and no presolved library. It's the researcher's alternative, not the student's. If you'd rather query solutions than produce them, every other entry on this list exists because of that preference, and our [MonkerSolver alternatives](https://gtogecko.com/blog/monkersolver-alternatives) guide works through the same trade tool by tool. 6. GTO Wizard PLO — the 4-card library play GTO Wizard added a standalone PLO product in 2026 and iterates on it fast: complete 4-card postflop coverage, cash at 6-max and 7-max, MTT chip EV from 10bb to 100bb, and nodelocking plus custom heads-up solving on the top tier. The hard limit for this comparison is variants: their own FAQ lists PLO5 and PLO6 as in development with no ETA, so a 5-card player has nothing to buy yet. Plans split into Free, Premium and Elite; prices move with promotions, so use our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) and their checkout rather than a quoted figure. If you're already in their ecosystem for Hold'em and play 4-card only, it's the convenient upgrade path. What Three Years of PLO Study Actually Costs Subscriptions get judged monthly and paid yearly, so here's the list at three years on each vendor's cheapest annual rate. Three-year cost of PLO study tools at annual rates, August 2026 Three years of PLO study, at annual rates Cheapest annual plan × 3, verified August 19, 2026. Gold = PLO Gecko. - - - $1,500 $3,000 $4,500 PLO Gecko full access PLO Genius Edge Range Converter Pro PLO Genius PRO Mastermind Trainer (1 variant) Vision 4-card $359.97 $2,124 $2,397 $4,500 $5,370 ~$5,400 Off this chart: the combined-variant Mastermind trainer at $8,070 and the full System at $10,770 over three years. MonkerSolver is €499 once. Vision's figure uses its 25% yearly discount on the $199.99 4-card plan. The honest read: if the video library and browser solving are the point, Mastermind's yearly rates are the price of the deepest product in its niche and nothing here replaces it like-for-like. If the point is playing better Omaha on the reps you can actually fit into a week, the gap between $359.97 and $5,370 buys a lot of buy-ins. Which One Should You Pick? - You're a professional 4-card cash player with a study desk and a coach budget. PLO Mastermind's System or Vision. That's who these products are for, and at your stake the depth pays. - You want structured drills, EV feedback and PLO5, on a phone, without a second mortgage. PLO Gecko. Both variants, $119.99 a year, and your [preflop ranges](https://gtogecko.com/blog/plo-preflop-ranges) stop being guesses by October. - You want a browsable postflop library but the premium platforms are out of budget. PLO Genius Edge, or PRO if you'll use the on-demand solver. - Omaha is your second or third format. Range Converter. One subscription, every game you play. - You want sims nobody else has. MonkerSolver, €499 once, plus the patience to build trees. - You're 4-card only and already pay for GTO Wizard. Their PLO product keeps everything in one login. Switching From PLO Mastermind: What You Keep and What You Lose You keep the theory. Solver-derived PLO strategy doesn't change vendors when you do, and if you've internalized Mastermind's material, drilling it is exactly what a cheaper trainer is for. You lose the film room and the lab: no 500-video library, no browser turn-and-river solving, no aggregated reports, no Monker import — unless you go to Vision or PLO Genius PRO, which keep the lab and drop the film. Moving to PLO Gecko specifically, you trade the research layer for volume: scored hands on a commute, EV-loss tracking that tells you which position is bleeding, and a 5-card game in the same app instead of a second subscription. Players switching down in price usually discover the limiting factor was never solution depth. It was repetitions. Our [guide to learning PLO](https://gtogecko.com/blog/how-to-learn-plo) makes that argument in full, and [the strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers the fundamentals the drills assume. PLO Mastermind Alternatives FAQ How much does PLO Mastermind cost? As of August 19, 2026: $199/month for the trainer in one variant ($149/month billed yearly as one $1,790 payment), $249/month for the trainer plus videos, $299/month for the trainer in both variants, and $399/month for everything ($299/month yearly, one $3,590 payment). A videos-only plan is $199/month. No trial is listed; eligible first-time purchases have a 7-day money-back guarantee. Does PLO Mastermind have a mobile app? No. It offers a portrait mobile view in the browser, but there's no native app on the App Store or Google Play as of August 19, 2026. If you want native Omaha training on a phone, PLO Gecko trains PLO4 and PLO5 on iOS and Android. Is PLO Mastermind worth it? At mid-stakes and above, for a 4-card specialist who'll actually watch the videos and use the browser solving weekly, the depth is real and the price is defensible on their own buy-in math. Below that, the honest answer is usually no: the same money covers years of a drilling tool plus actual buy-ins. What's the cheapest PLO Mastermind alternative? For a full paid product, PLO Gecko at $119.99 a year, with both PLO4 and PLO5 included. For free study, PLO Genius's Starter tier and Range Converter's 15bb heads-up plan both cost nothing, and PLO Gecko is free to download so you can inspect it before subscribing. Which PLO Mastermind alternatives cover PLO5? PLO Gecko, Vision GTO Trainer, PLO Genius and Range Converter all publish 5-card solutions or training; Vision and Range Converter add 6-card, and PLO Genius covers PLO6 on its PRO tier. GTO Wizard lists PLO5 as in development with no ETA. Our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers what actually changes with the fifth card. Can I use any of these tools while playing? No. Every product here is a study tool; running one during a hand is real-time assistance and banned at every major site. We mapped where the line sits in [are poker solvers allowed](https://gtogecko.com/blog/are-poker-solvers-allowed-rta). The Bottom Line PLO Mastermind earned its price point by building the deepest 4-card study stack in poker, and if that's the product you need, pay for it with a clear conscience. Most players shopping for an alternative aren't rejecting the depth. They're rejecting $2,000 to $3,600 a year for a browser tab when what their game needed was a thousand scored hands a month. That second problem is the one we built for. PLO Gecko puts solver-range drills for both PLO4 and PLO5 on the phone in your pocket at $19.99 a month or $119.99 a year, with EV-loss tracking to show you exactly where the money leaks. [Get it on the App Store](https://apps.apple.com/app/id6756220388), [get it on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), or start with the [full PLO trainer comparison](https://gtogecko.com/blog/best-plo-trainer-apps) if you're still mapping the field. Sources - [PLO Mastermind pricing](https://plomastermind.com/pricing/) — all plan tiers, yearly rates, solution counts, guarantee terms, checked August 19, 2026 - [PLO Genius plans](https://plogenius.com/) — Starter, Edge and PRO pricing and variant coverage, checked August 19, 2026 - [Range Converter pricing](https://rangeconverter.com/pricing) — Reg and Pro rates including the running promotion, checked August 19, 2026 - [MonkerSolver](https://monkerware.com/solver.html) — license price, free version limits, system requirements, checked August 19, 2026 - [Vision GTO Trainer plans and FAQ](https://www.runitonce.com/vision/) — plan pricing and coverage, checked August 3, 2026 - [PokerJudge Vision GTO review](https://pokerjudge.com/blog/poker-products/vision-gto/) — independent confirmation of 4-card pricing and annual discount - [PLO Gecko on the App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) — rating and subscription prices, checked August 19, 2026 - [GTO Wizard PLO product page](https://gtowizard.com/plo/) — 4-card coverage and PLO5/PLO6 development status, checked August 3, 2026 - PLO Gecko Apple Ads account, 30 days to August 11, 2026 — attributed installs for the exact keyword "plo mastermind" All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by PLO Mastermind, Run It Once, PLO Genius, Range Converter, MonkerWare, or GTO Wizard. Pricing verified on the dates noted — check each vendor's site for current rates. ### GTO Wizard Review 2026: Where It Shines, What It Costs, Who Should Pay https://gtogecko.com/blog/gto-wizard-review GTO Wizard is the biggest name in GTO poker study, and since the March 2026 price increase it's also one of the most expensive ways to learn the game. Whether it's worth that money depends on who you are. If you grind online, study at a desk, and can bill $49 to $279 a month against a real win rate, it delivers. If you play live, study on your phone, or play more than one format, the math gets ugly fast. That's the player we built [GTO Gecko](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard) to win for. This review covers what you get, what it costs, and, using our own data on 362 people who went looking for GTO Wizard, who actually ends up happy with a tool like this. Full disclosure up front: we build GTO Gecko, and we obviously think it's the better buy for most players. That cuts both ways: we have to be accurate about a product our readers can verify in five minutes. Where GTO Wizard genuinely beats us on a specific, we say so. GTO Wizard at a glance What it is Browser-based GTO study platform: presolved library, trainer, hand analyzer, AI solver Formats Cash, MTT, Spin & Go, HU SNG, straddle/ante — sold one format per subscription Platforms Web app (desktop or mobile browser); no native study app, no offline mode Price $49–$279/month; $39–$229/month effective on annual billing Free plan Yes, with daily caps tight enough that it works as a demo, not a study routine Best for Online grinders who study one format seriously at a desktop Weakest point Price after March 2026, and the one-format-per-subscription structure What Is GTO Wizard? GTO Wizard is a browser-based poker study platform built around three jobs: study presolved GTO solutions for millions of spots, practice against those solutions in a trainer with instant EV feedback, and analyze your own hand histories to find where you're bleeding EV. Third-party counts put the presolved library at over 10 million scenarios, and nobody in the market disputes that it's the largest one available. It's the incumbent, and it ships like one. The platform added an AI solver for custom spots, aggregated reports across 1,755 flops, a Windows multi-tabling tool called Table Wizard, and PokerArena, a separate iOS app for 1v1 poker battles. Note what PokerArena is not: it's a place to play, not a version of the study suite. The solver, trainer, and analyzer live in your browser and nowhere else. What Do You Get for the Money? The core loop is study, drill, analyze. You browse solutions for any spot in your format, drill those spots in practice mode with immediate GTO and EV feedback, then upload hand histories and let the analyzer flag your worst decisions. The interface is polished enough that several reviewers call it the most beginner-friendly serious solver product, and we agree. Making solver output readable is genuinely hard, and GTO Wizard does it better than the desktop solvers ever did. What each tier adds, briefly: Starter gets you a limited slice of the library. Premium opens the full presolved library with complete bet-size trees. Elite adds the custom AI solver and nodelocking, which lets you force an opponent into a non-GTO strategy and study the punishment. Ultra adds multiway preflop solving for up to nine players. Our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) walks through every tier limit in detail. The depth is real. Aggregate reports over flop classes, nodelocked exploit trees, custom solves of weird lines — that desktop-research tier is GTO Wizard's niche, and if your study routine genuinely lives there, it's the honest argument for paying up. Most players' routines don't, and paying $99 a month for depth you'll never open is the most common way people waste money in this category. How Much Does GTO Wizard Cost in 2026? As of August 2026, GTO Wizard costs $49/month (Starter), $99/month (Premium), $169/month (Elite), or $279/month (Ultra). Annual billing brings those to an effective $39, $79, $139, and $229 per month. Each subscription covers one game format: a cash subscription doesn't include tournaments. Tier Monthly Annual (per month) Headline addition Starter $49 $39 Partial solution library Premium $99 $79 Full library, all bet-size trees Elite $169 $139 AI solver, nodelocking Ultra $279 $229 Multiway preflop up to 9 players Two things about that table annoy people, and they should. First, prices jumped hard in the March 2026 restructure, and forum threads about it haven't cooled off. Second, you can't see any of these numbers without creating an account: gtowizard.com's pricing link redirects into the app behind a login. We keep our [pricing page teardown](https://gtogecko.com/blog/gto-wizard-pricing) current for exactly that reason. There's a free plan, and it's fine as a demo: daily caps on preflop lookups and trainer hands, a monthly cap on analyzed hands. You can learn what the product feels like, but you can't run a real study routine on it. We tested what the limits actually allow in our [GTO Wizard free plan breakdown](https://gtogecko.com/blog/gto-wizard-free). What GTO Wizard Does Well The library is the biggest available. Over 10 million presolved spots across five formats, with complete bet-size trees at Premium and above. When a spot from last night's session nags at you, the answer is already solved and loads in seconds. Size isn't the same as usefulness — most players drill the same few hundred spots — but it's a real asset for deep research. The trainer feedback loop is correct. Instant GTO and EV feedback on every decision is the thing that separates training from guessing, and GTO Wizard ships it. We've written about why [EV-graded practice is what actually moves win rates](https://gtogecko.com/blog/does-poker-training-work); their implementation gets this right. The AI solver made custom solving accessible. Before tools like this, solving your own spots meant a desktop solver, a config file, and a long coffee break. Elite subscribers get answers to arbitrary spots without owning hardware, and [learning to read solver output](https://gtogecko.com/blog/how-to-use-poker-solver) is the only prerequisite. It's genuinely usable by beginners. The most common praise across independent reviews, and we'll co-sign it. The interface explains itself. That is rarer in this category than it should be. Where GTO Wizard Falls Short The Price Ladder After March 2026 $99/month is the realistic entry point for serious study, because Starter's library cuts are the kind you hit within a week. That's $1,188 a year for one format, before you've paid for a second one. A mid-stakes online pro can justify it. The median subscriber to a poker training tool is not a mid-stakes online pro, and for that person the [alternatives at $10 to $49 a month](https://gtogecko.com/blog/gto-wizard-alternatives) cover most of the same study surface. One Format Per Subscription Play cash and tournaments? That's two subscriptions. The structure punishes exactly the recreational player the interface courts: someone who plays a Sunday MTT, a Friday cash session, and the occasional spin. Multi-format coverage elsewhere costs less than one GTO Wizard format. In our [head-to-head comparison](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard), this is the single biggest gap. Browser-Only, Online-Only The study suite runs in a browser tab. It works in a mobile browser, but there's no native study app on any app store; PokerArena, their one iOS app, is for playing 1v1 battles, not studying. There's no offline mode, so no drilling on a flight or in a dead zone at the casino. Independent reviewers also report lag in practice drills. None of this matters at a desk with fiber. All of it matters on a phone, which is where, as the next section shows, a surprising share of the demand lives. Who Actually Searches for GTO Wizard? We Have Data Here's the part no other review can give you. Between May and August 2026, 362 people installed our app after typing "GTO Wizard" into the App Store search bar, and we studied that cohort across our RevenueCat and analytics data. They're not who you'd guess. - They're live players, not online grinders. 41% play live poker exclusively. 50% name cash games as their primary format. - They're not experts. Only 8.6% self-declare as advanced or expert players, roughly half the rate of our organic users. - They study in short bursts. 57% pick a five-minute daily study goal during onboarding. - They're ready to pay. 11.6% become paying subscribers within 7 days, against 2.95% of organic installs, and they spend $64.64 per transaction with zero refunds across 57 purchases. 38% take an annual plan on day one. 7-day paying conversion by how the user found the app, May to August 2026 Searched "GTO Wizard" 11.6% Other paid search 6.9% Organic installs 3.0% Share of new users who became paying subscribers within 7 days, by acquisition source. n = 362 for the GTO Wizard cohort, May 1 to August 16, 2026. Read that profile again next to the product. GTO Wizard's study suite assumes a desktop, a hand history file, and long sessions. The people typing its name into a phone are live cash players who want five minutes of study in a pocket of dead time. They've heard "GTO Wizard" as the name of the thing serious players use, and they're looking for it in the one place it doesn't exist: the App Store. Fewer than 2% of that cohort ever touched a browser-based study tool in our data. The brand's reach has outgrown its platform. One more detail from the cohort: 46% of those searchers were Japanese. GTO study demand is global and mobile now, which is worth remembering when a product's answer to mobile is "the website works on your phone." If that profile sounds like you — live sessions, phone study, short bursts — that's the player we built for. You can [browse GTO Gecko's preflop ranges free](https://play.gtogecko.com/) and run trainer hands with full EV feedback before paying anything. Is GTO Wizard Worth It in 2026? Verdict by Player Type GTO Wizard is worth it for online players who study one format seriously at a desk and treat the subscription as a business expense. It's a poor buy for live players, phone-first students, multi-format recreationals, and anyone for whom $1,188 a year needs to survive contact with a budget. - Online pro, one format: The one profile it fits. Premium annual at $79/month is the sweet spot; go Elite only if you'll actually nodelock. Even here, check whether a [$149/year trainer](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard) already covers the spots you actually drill. - Online multi-format player: Painful. Two formats at Premium is $158/month. Price the [multi-format alternatives](https://gtogecko.com/blog/gto-wizard-alternatives) first. - MTT-only player on a budget: Consider [DTO Poker](https://gtogecko.com/blog/dto-poker-review) or a cheaper trainer before committing to $99/month. - Live cash player who studies on a phone: Skip it. You'd be paying desktop-tool money for a browser tab. A native mobile trainer fits how you actually study. - Beginner: Learn [what GTO actually means](https://gtogecko.com/blog/what-is-gto-poker) on free resources first. Buying a $99/month library before you can read a range chart is burning money. GTO Wizard Alternatives We keep a full ranked list of [10 GTO Wizard alternatives](https://gtogecko.com/blog/gto-wizard-alternatives) with verified pricing. The short version: GTO Gecko (that's us) covers cash including straddle and ante tables, MTT, and Spin & Go with presolved preflop and postflop solutions, a trainer with EV feedback on every hand, and a leak finder, on iOS, Android, and the web. One format costs $24.99/month or $149.99/year; every format costs $39.99/month or $239.99/year, which is less than half of one GTO Wizard Premium format. The trade-off is honest: our library is smaller and we don't have nodelocking. What we do have is the format coverage and the native mobile study workflow this review keeps coming back to. The [full head-to-head](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard) covers where each side wins. DTO Poker is the budget MTT specialist, from $9.99/month, with the catch that exact EV feedback costs $99.99/month there — our [DTO review](https://gtogecko.com/blog/dto-poker-review) has the details. PioSolver and GTO+ remain the desktop power-user route: one-time purchases, your own solves, steep learning curve, covered in our [PioSolver alternatives guide](https://gtogecko.com/blog/piosolver-alternatives). PokerSnowie is the legacy option we'd skip in 2026, for reasons in our [PokerSnowie review](https://gtogecko.com/blog/pokersnowie-review). GTO Wizard Review FAQ Is GTO Wizard worth it in 2026? For online grinders studying one format at a desktop, yes: the library and analyzer justify Premium at $79 to $99 a month if study time converts to win rate. For live players, phone-first students, and multi-format recreationals, the price and the browser-only platform make it a bad fit. How much does GTO Wizard cost per month? $49 (Starter), $99 (Premium), $169 (Elite), or $279 (Ultra) on monthly billing as of August 2026. Annual billing works out to $39, $79, $139, and $229 per month. Each subscription covers one game format. Is there a free version of GTO Wizard? Yes. The free plan has daily caps on preflop lookups and trainer hands plus a monthly cap on hand analysis. It's a real demo but too limited for a study routine. Our [free plan breakdown](https://gtogecko.com/blog/gto-wizard-free) lists the exact limits. Does GTO Wizard work on iPhone? Only through the mobile browser. There is no native GTO Wizard study app; its one iOS app, PokerArena, is for playing 1v1 matches, not studying. If you want a native mobile solver and trainer, that's the gap [GTO Gecko](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) was built to fill. Is GTO Wizard a solver or a trainer? Both. It's a library of presolved solutions with a practice trainer and hand analyzer on top, plus, at the Elite tier, an AI solver for custom spots and nodelocking. The Bottom Line GTO Wizard has the biggest library in poker, a correct training loop, and custom solving without hardware — and a price ladder that now assumes you're a professional. Our data says its brand reaches far beyond the desktop grinder it was built for, and the March 2026 pricing pushed it further from everyone else. If you're that desktop grinder, it'll do the job. For everyone else (the live, mobile, multi-format players its own searchers increasingly are) we think the better tool costs a tenth as much and lives where you actually study: [try GTO Gecko's trainer and free preflop ranges](https://play.gtogecko.com/), or grab it for [iOS](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) and see whether five focused minutes a day beats a browser tab you never open. Sources - [GTO Wizard official site](https://gtowizard.com/) — feature set, platforms, and products, checked August 18, 2026 - [Solvers.poker GTO Wizard review](https://solvers.poker/solver/gtowizard/) — library size, format list, free plan, and drill performance notes - GTO Gecko internal cohort study, May 1 – August 16, 2026 — 362 App Store customers attributed to GTO Wizard search terms via Apple Ads AdServices and RevenueCat, joined with in-app analytics All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by GTO Wizard. Pricing verified August 18, 2026 — check each vendor's site for current rates. ### ICMIZER Alternatives in 2026: Cheaper ICM Study That Runs on Your Phone https://gtogecko.com/blog/icmizer-alternatives ICMIZER is the tool most tournament players think of first for push/fold and ICM work, and it does that job well. It's also a Windows and Mac download that costs $17.99 to $32.99 a month, stops at the preflop street, and charges extra for the mobile version of its own trainer. If you want ICM study that travels, meaning on a phone, at a live table, between levels, then [GTO Gecko](https://play.gtogecko.com/) is the better buy: 504 solved ICM scenarios plus the postflop library and trainers, native on iOS, Android, macOS and web. Ours is not the cheapest line on this page and we are not going to pretend otherwise — our ICM ranges sit in the Elite MTT plan at $349.99 a year, against ICMIZER PRO's $179.99. This post covers five alternatives with prices we verified on August 18, 2026, and which one fits which player. Disclosure: we build GTO Gecko. That means we have to be accurate about products you can price-check in about ninety seconds, so every number below is linked to its source, and where a competitor genuinely does something we don't, it's in the table. Tool Cheapest full year Platforms Covers Best for GTO Gecko (MTT) $149.99/yr (~$12.50/mo) iOS, Android, macOS, web ChipEV push/fold + postflop + trainers. No ICM ranges Players who study on a phone and want postflop in the same app GTO Gecko (Elite MTT) $349.99/yr (~$29.17/mo) iOS, Android, macOS, web Everything above plus the 504 ICM scenarios and ICM compare Tournament players who want ICM and postflop in one mobile app ICMIZER 3 Basic $99.99/yr Windows, macOS desktop Preflop ICM/Nash calculator only Desktop players who only want the calculator ICMIZER 3 PRO $179.99/yr Windows, macOS desktop Calculator + MTT Coach + Replayer SNG and MTT grinders who drill push/fold daily HRC Classic $119.90/yr (~$9.99/mo) Windows, macOS desktop Preflop solving to 30bb, 50k-node trees Short-stack endgame research HRC Pro $359.90/yr (~$29.99/mo) Windows, macOS desktop Any stack, postflop solves, scripting Pros building custom tournament sims SnapShove Unlimited $99.99/yr iOS, Android Shove, call and reshove ranges Cheapest phone answer for pure push/fold GTO Wizard (Starter) $468/yr ($39/mo effective) Browser only One format, huge presolved library Online grinders with a desk and a budget Read that table honestly and ICMIZER wins on price. Its PRO plan is $179.99 a year; the GTO Gecko plan that carries ICM ranges is $349.99. What the extra money buys is scope — postflop solutions, three trainers, and native apps rather than a Windows and Mac download — and whether that trade is worth it is the rest of this post. What Does ICMIZER Cost in 2026? ICMIZER 3 sells two subscriptions and two add-ons. Prices below come straight off the checkout page on August 18, 2026, and exclude VAT. Plan Monthly Quarterly Yearly Basic (calculator only) $17.99 $36.99 $99.99 PRO (calculator + MTT Coach + Replayer) $32.99 $66.99 $179.99 NITRO add-on (requires PRO) +$14.99 — +$179.88 SNG Coach Mobile (requires annual PRO) — — +$40 The trial runs seven days. The part worth reading twice is the add-on structure. PRO includes 120 MTT Coach questions a day on desktop and five a day on mobile. Five. If you want the trainer to work properly on your phone, that's the $40 SNG Coach Mobile add-on, and it requires the annual PRO plan first. NITRO, which moves calculations into their cloud, nearly doubles the annual bill on its own. ICMIZER annual cost by plan and add-on, August 2026 What a full year of ICMIZER costs Annual billing, verified August 18, 2026. Excludes VAT. - - - - $100 $200 $300 $400 Basic PRO PRO + NITRO PRO + NITRO + Mobile $99.99 $179.99 $359.87 $399.87 The calculator is $99.99 a year. Making the trainer usable on a phone and the maths fast costs four times that. Why Players Look for an ICMIZER Alternative Four reasons come up over and over, and only one of them is price. It's a desktop download. ICMIZER 3 runs on Windows 10 and up and macOS 10.15 and up. There's a mobile MTT Coach, but it's a paid add-on to an annual plan, and the calculator itself stays on the desktop. If your study happens on a phone between levels or on a commute, the tool lives in the wrong place. It stops at preflop. ICMIZER is a preflop push/fold and ICM engine. It does not analyse postflop spots — that's what ICMIZER Limited built the separate Postflopizer product for. Bubble mistakes are not only shove-or-fold mistakes, and once you're 25bb deep at a final table you're playing flops with pay jumps behind you. The ladder gets steep. Basic to PRO to NITRO to the mobile add-on takes a $99.99 tool to $399.87 a year without adding a single new game type. People are already looking for it on their phones. We can put a number on that one, because we buy App Store ads. In the 90 days to July 18, 2026, the keyword "icmizer" in our Apple Ads account served 88 impressions, drew 8 taps, and produced 6 attributed installs of GTO Gecko, on $3.31 of spend, across the US, UK, Brazil, France and Hong Kong. "snapshove" drew 3 taps and 1 install. "holdem resources calculator" drew zero impressions. Nobody types that into an App Store. Read that number honestly - Six installs is a tiny sample. Treat the direction as real and the magnitude as noise. - Roughly 56% of our ad spend runs through Apple's Search Match with no keyword attribution, so these are floors, not totals. - What it does show: people search a Windows-and-Mac ICM tool by name inside a phone app store, then install a mobile app instead. That gap is the whole reason this post exists. The Best ICMIZER Alternatives in 2026 1. GTO Gecko — ICM, push/fold and postflop in one subscription GTO Gecko is a presolved GTO library and trainer with native iOS, Android and macOS apps plus a web app, all on one synced subscription. For an ICMIZER user the relevant part is the tournament library, and it's specific: 1,167 solved MTT ChipEV preflop scenarios from heads-up to 9-handed at depths from 2 to 200 big blinds, of which 82 trees are all-in-or-fold by construction because that's the equilibrium at those depths. On top of that sit 504 ICM scenarios across 310 stack configurations, solved against one consistent payout model (a 1,000-runner field paying 150 places) at stages running from 75% of the field remaining down through the stone bubble at 151 players, three tables, two tables, and final tables from 9-handed to 3-handed. Antes are modelled the modern way, a big blind ante at 12.5% of the big blind per player, with a 100bb tree still 100bb deep behind the ante. The full methodology is in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). Where it beats ICMIZER: it runs natively on the device you actually carry, the plan covers postflop play at the final table rather than stopping at the shove decision, and there's no add-on tax to make the trainer work on a phone. Where ICMIZER wins: price, and flexibility. It costs roughly half what our ICM tier does, and you can define an arbitrary payout structure and stack setup and get a Nash answer for that exact spot. Our ICM library is presolved against one payout model, so it answers "how should I play this bubble" and not "price this specific 63-runner turbo with a flat payout". Pricing, verified in our own plan catalog on August 18, 2026, and this is the part to read carefully. The base MTT plan is $24.99/month or $149.99/year and covers the ChipEV push/fold trees, the postflop library and the trainers. It does not include the ICM ranges. ICM is an Elite extension of the MTT package, at $59.99/month or $349.99/year, and Elite all-access across all three formats is $89.99/month or $549.99/year. So the honest comparison is $349.99 against ICMIZER PRO's $179.99: we cost roughly twice as much, and we include postflop, three trainers and native apps that ICMIZER does not sell at any price. The free tier keeps the whole preflop library open with no credit card, so you can check whether the ranges match what you already believe before paying anything. [Open the MTT ranges and drill a 151-player bubble spot →](https://play.gtogecko.com/) 2. HoldemResources Calculator (HRC) — the researcher's pick HRC is the other serious name in tournament solving and the closest thing to a direct ICMIZER replacement. Two plans, both desktop, verified August 18, 2026: Classic at $16.66/month or $119.90/year, and Pro at $49.99/month or $359.90/year. Classic is built for short stacks: up to 30 big blinds, trees up to 50,000 nodes, postflop realization on a fixed 256 buckets. Pro removes the stack ceiling, goes to 16,384 buckets, adds dedicated postflop solves and scripted tree building, and lets you add actions after the tree exists. Pick HRC over ICMIZER if you want to build your own tournament sims rather than query a calculator, and Pro specifically if you're producing range charts for a staking group or a coaching business. It's a 14-day money-back guarantee, one user, two installations. It's also Windows and Mac only, and the learning curve is real. This is a solver, not a lookup tool. HRC also runs two genuinely free web tools: an [ICM calculator](https://www.holdemresources.net/icmcalculator) for chop maths and a [Nash ICM calculator](https://www.holdemresources.net/nashicm) for push-or-fold endgames. If all you needed was to price a final table deal, stop reading and use those. 3. SnapShove — the cheapest phone answer Max Silver's SnapShove is push/fold and nothing else, which is exactly why it's good. It's an iOS and Android app that gives you shove, call and reshove ranges instantly, plus training simulations. The free version allows one calculation a day with unlimited training. Core is $3.99/month or $34.99/year. Unlimited Access, which adds unlimited calling and reshove calculations, is $9.99/month or $99.99/year. At $34.99 a year, SnapShove is the cheapest way to stop punting 12bb spots, and no honest comparison pretends otherwise. What you don't get is postflop, cash game or Spin & Go coverage, deep-stack ranges, or a library you can browse for study rather than lookup. It solves one problem completely. Our [short stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers the theory those charts encode. 4. GTO Wizard — if budget isn't the constraint GTO Wizard has the largest presolved library in poker and a tournament product with ICM solutions built in. It's browser-based, with no native study app. Pricing as of August 2026 runs $49 Starter, $99 Premium, $169 Elite and $279 Ultra per month, dropping to $39, $79, $139 and $229 monthly on annual billing, and each subscription covers one format. For an ICMIZER user that's a very different purchase: far more breadth, at four to seven times the price, in a browser tab. It's the right call if you already study at a desk for hours and want one library covering everything. If you want the full accounting, we wrote a [GTO Wizard review](https://gtogecko.com/blog/gto-wizard-review) and a [head-to-head with GTO Gecko](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). 5. Free ICM calculators — when you only need the number Plenty of ICM work is arithmetic you don't need a subscription for. ICMIZER publishes a free basic ICM calculator. HoldemResources has the two free tools linked above. MTTDB runs a free Malmuth-Harville ICM calculator, and CHIMP from The Poker Bank is a free download for SNG equity. These price a chop and value a stack. They won't tell you which hands to jam at 11bb five off the bubble with a 40bb chip leader on your left, they won't drill you, and they won't remember what you got wrong last week. That's the line between a calculator and a study tool, and it's the line every paid product on this page is standing on. What Three Years of ICM Study Actually Costs Subscriptions get judged monthly and paid annually, so here's the same list at three years, on each vendor's cheapest annual rate. Three-year cost of ownership for tournament study tools, annual billing Three years of tournament study, at annual rates Cheapest annual plan × 3. Prices verified August 18, 2026. Gold = GTO Gecko. - - - $500 $1,000 $1,500 SnapShove Unlimited ICMIZER Basic HRC Classic GTO Gecko MTT (no ICM) ICMIZER PRO GTO Gecko all-access GTO Gecko Elite MTT GTO Wizard Starter $299.97 $299.97 $359.70 $449.97 $539.97 $719.97 $1,049.97 $1,404 HRC Pro sits off this chart at $1,079.70, as does ICMIZER PRO with NITRO at $1,079.61. Only ICMIZER (either plan), HRC and GTO Gecko Elite MTT actually solve ICM spots; GTO Wizard Starter buys one format. The honest read: SnapShove and ICMIZER Basic are the cheapest, and they're the narrowest. If ICM ranges are the specific thing you want, ICMIZER PRO at $539.97 over three years is the cheapest way to get them, and our Elite MTT plan costs $510 more than that. What the $510 buys is the postflop library, three trainers and native apps on every device you own, rather than a second product and a second subscription. If your tournament leaks live before the flop, buy ICMIZER. If they live after it, or you want one app for both, we're the better spend. Which One Should You Pick? - You play SNGs and hyper-turbos and live under 20bb. ICMIZER PRO or SnapShove Unlimited. The whole game is preflop; buy the tool that does preflop best and skip everything else. - You play MTTs and study on a phone. GTO Gecko. The base MTT plan at $149.99 a year covers push/fold trees, postflop and the trainers; add Elite MTT at $349.99 if you want the bubble and final-table ICM ranges too. One app, on a train. - You build custom sims and sell or share the output. HRC Pro. Nothing else on this list does scripted tree building at that price. - You need to price a chop tonight. The free HoldemResources ICM calculator. Close the tab afterwards. - You're an online grinder with one format and a real win rate. GTO Wizard Starter, or GTO Gecko all-access if you'd rather spend $20 a month than $39 and get three formats for it. Switching From ICMIZER: What You Keep and What You Lose You keep the theory. Nash push/fold ranges are Nash push/fold ranges, and a 12bb button jam doesn't change because you changed vendors. You keep your hand histories, which stay in your tracker or your poker room's export, not inside ICMIZER. You lose arbitrary payout modelling. That's the real cost of moving to a presolved library, and it matters if you play unusual structures: heavy satellite payouts, flat-paying charity events, or bounty formats where the prize pool isn't in the ICM model at all. Our [satellite guide](https://gtogecko.com/blog/poker-satellites) covers why those structures break normal ICM intuition, and the [586,000-tournament late registration study](https://gtogecko.com/blog/late-registration-poker-ev) shows how far payout structure alone moves an answer. You gain about ninety seconds. That's the honest version of the pitch: the tool is already on your phone, so the study happens at the table instead of at the desk you'll get to later. Start with the [final table ICM guide](https://gtogecko.com/blog/final-table-icm-strategy) if you want the concepts before the drills, or the [ICM explainer](https://gtogecko.com/blog/icm-poker-strategy) if chip EV versus real money is still fuzzy. ICMIZER Alternatives FAQ What is the best free ICMIZER alternative? For pure ICM arithmetic, the free HoldemResources Nash ICM calculator handles push-or-fold endgames and their standard ICM calculator handles chops, both in a browser with no account. For free study rather than free maths, GTO Gecko's free tier keeps the entire preflop range library open, including tournament ranges, with no credit card. Is there an ICMIZER app for iPhone? Not for the calculator. ICMIZER 3 is a Windows and macOS download; the only mobile piece is MTT Coach, which gives PRO subscribers five questions a day unless you buy the $40-a-year SNG Coach Mobile add-on on an annual plan. If you want ICM ranges native on iOS, GTO Gecko and SnapShove both ship real iPhone apps. Is HRC better than ICMIZER? They're built for different jobs. ICMIZER is faster to query for a specific spot and its MTT Coach drills you; HRC Pro is a fuller solver with unlimited tree sizes and scripting, at $359.90 a year against ICMIZER PRO's $179.99. If you look up spots, ICMIZER. If you build sims, HRC. Does GTO Gecko do ICM? Yes, on the Elite MTT plan. The ICM library holds 504 solved scenarios across 310 stack configurations, from 75% of the field remaining through the bubble, three tables, two tables and final tables down to 3-handed, modelled on a 1,000-runner tournament paying 150 places, plus an ICM compare view that puts the chip EV and ICM ranges for the same node side by side. The base MTT plan at $149.99 a year carries the 1,167 ChipEV preflop scenarios covering 2 to 200 big blinds, the postflop library and the trainers, but not the ICM ranges. Elite MTT is $59.99/month or $349.99/year. How much does ICMIZER cost per month? $17.99 for Basic and $32.99 for PRO on monthly billing as of August 2026, or $99.99 and $179.99 respectively on annual billing. NITRO adds $14.99 a month, and the mobile trainer add-on is $40 a year on top of an annual PRO plan. Prices exclude VAT. Can I use an ICM tool while I play? No — running a solver or push/fold calculator during a hand is real-time assistance and is banned at every major site. All of these are study tools. We wrote up where the line sits in [are poker solvers allowed](https://gtogecko.com/blog/are-poker-solvers-allowed-rta). The Bottom Line ICMIZER built its reputation on being fast and correct at one specific job, and it still is. The problem is the shape of the product in 2026: a desktop download that ends at the flop, with the phone version sold separately. If you play sub-20bb formats at a desk, PRO at $179.99 a year is a defensible spend. Everyone else is paying for a boundary they don't want. Our answer is the one we built: push/fold, postflop and ICM in one app on the device in your pocket, $149.99 a year for the base MTT plan and $349.99 with the ICM ranges. We're the more expensive way to solve an ICM spot and the cheaper way to study a whole tournament. [Browse the tournament ranges free](https://play.gtogecko.com/), or get it on [iOS](https://apps.apple.com/app/id6738748434) or [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) and drill a bubble spot before your next tournament instead of after it. Sources - [ICMIZER pricing page](https://www.icmizer.com/icmizer/pricing/) — Basic and PRO rates, NITRO and SNG Coach Mobile add-ons, trial length, checked August 18, 2026 - [HoldemResources Calculator pricing](https://www.holdemresources.net/hrc/pricing) — Classic and Pro rates, stack ceilings, node and bucket limits, checked August 18, 2026 - [SnapShove](https://www.snapshove.com/) — free tier limits, Core and Unlimited Access pricing, checked August 18, 2026 - [HoldemResources free Nash ICM calculator](https://www.holdemresources.net/nashicm) — free push-or-fold endgame calculations - [Cardmates ICMIZER review](https://cardmates.co.uk/poker-software/icmizer) — system requirements and the preflop-only limitation - GTO Gecko solution library counts — published methodology in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made) - GTO Gecko Apple Ads account, 90 days to July 18, 2026 — keyword-level impressions, taps and attributed installs for "icmizer", "snapshove" and "holdem resources calculator" All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by ICMIZER Limited, HoldemResources, SnapShove, or GTO Wizard. Pricing verified August 18, 2026 — check each vendor's site for current rates. ### Is Late Registration +EV? We Simulated 586,000 Tournaments https://gtogecko.com/blog/late-registration-poker-ev Every online tournament lobby offers the same quiet bet. You can sit down at level 1 with a full stack and a soft table, or you can turn up two hours later, pay the same money, and receive a stack that is already short. Most serious players have heard that the second option is free equity. The Independent Chip Model agrees with them: buy in once half the field has busted and your stack is worth more than you paid for it before you look at a card. We wanted to know whether the table actually pays that out. So we built a multi-table tournament simulator, calibrated it against published field data, and ran 586,000 tournaments through it. Inside every one of them sat a cohort of identical players who differed in exactly one respect: the level at which they registered. Four things came back, and only the second is the one everybody talks about. - The structural transfer is real, and smaller than the published figures claim. In a field where every player is equally skilled, so that nothing but the structure can move the number, entering at the close of registration was worth between +3.9 and +11.4 ROI points across every setting of the one parameter we could not look up anywhere. Always positive, and a range rather than the single figure ICM quotes. - ICM gets the size right and the question wrong. At the close of late registration ICM values a fresh starting stack at +7.0% over the buy-in, and in a controlled equal-skill field the table paid +6.5% , which is the same number within measurement error. But ICM produces that one figure no matter who is holding the stack, while the delivered value moves across the whole sweep. It is not inaccurate here so much as incomplete. - The weaker the player, the more late registration is worth. Registering as late as possible instead of at level 1 moved a recreational player's ROI by +9.9 points and a solid regular's by +2.4 . It moved a professional's by -17.3 . Most of what late registration does for a losing player is shorten the game. - For a winning player the real prize is the clock, not the equity. Our professional earned $35.09 per hour entering at level 1 and $61.19 per hour entering at the close, because the second tournament takes 38 minutes instead of 99. Registering late costs a strong player ROI and pays them back in hours, at 1.7 times the rate. This is the long version, and it is long: the model, the controls, the confidence intervals and the two bugs we had to fix before the numbers meant anything. If you want the practical answer in ten minutes instead, read [should you late register](https://gtogecko.com/blog/should-you-late-register-poker) and come back here when you want to argue with the method. The rest of this article shows the working: what ICM claims, why it claims it, where the claim breaks, and what 586,000 simulated tournaments say instead. Every chart is generated from the run data, one of our own bugs is described because it changed the answer, and the assumption we were least sure of is swept on a chart rather than buried in a footnote. What Does ICM Say Late Registration Is Worth? ICM says a fresh starting stack is worth more than one buy-in as soon as anyone has busted, because the eliminated players forfeited prize equity and that equity was redistributed to everyone still alive. Buy in afterwards and you pay the old price for a share of a pot that has already been concentrated. The cleanest way to see it is on a single table. Nine players sit down in a tournament paying 50 / 30 / 20. Four of them bust, their chips absorbed by four opponents who doubled up. Now you buy in as the tenth entrant with a starting stack, and your buy-in is added to the prize pool. Six players, one prize pool, and you own the shortest stack at the table. Run the exact Malmuth-Harville recursion on that position and your seat is worth +8.7% more than you paid. You have not played a hand. If you want the mechanics of that calculation, our [ICM explainer](https://gtogecko.com/blog/icm-poker-strategy) works through a three-handed example by hand. Payout structure 0 busted 1 busted 2 busted 3 busted 4 busted Standard (50 / 30 / 20) +0.0% +1.9% +4.0% +6.3% +8.7% Flat (5 places paid) +0.0% +4.2% +9.3% +16.1% +26.3% Steep (65 / 25 / 10) +0.0% +1.3% +2.6% +4.0% +5.5% Satellite (4 equal seats) -0.0% +4.2% +9.1% +15.2% +22.6% Winner-take-all +0.0% +0.0% +0.0% +0.0% +0.0% Notice the bottom row before anything else. Why the ICM Boost Is Not Free Money In a winner-take-all tournament the late-registration boost is exactly zero, at every stage, forever. That single fact tells you what the boost actually is. It is not value created by waiting. It is value transferred out of the payout ladder, and if the ladder has only one rung there is nothing to transfer. ICM boost from buying in after four of nine players have busted Satellite, 4 equal seats +22.6% Flat, 5 places paid +26.3% Standard, 50 / 30 / 20 +8.7% Steep, 65 / 25 / 10 +5.5% Winner-take-all +0.0% Exact Malmuth-Harville ICM. You buy in as the tenth entrant, with a starting stack, once four of the original nine are out. Winner-take-all is the control: it pays exactly zero, because the boost is a property of the payout ladder, not of the chips. The logic is worth being precise about, because it is the foundation for everything below. In a winner-take-all event your equity is exactly your share of the chips. A starting stack is a starting stack whether it arrives at level 1 or level 12, and adding your buy-in to the prize pool adds exactly the same fraction that your chips add to the chip pool. Nothing moves. The moment the structure pays more than one place, chips stop converting to money at a constant rate. Survival acquires cash value of its own, short stacks become worth more per chip than the chip leader's chips, and a player who buys a below-average stack into a shrunken field is buying at a discount to that ladder. The flatter the ladder and the more places it pays, the bigger the discount: +26.3% for a structure paying five places, +22.6% for a satellite paying four identical seats, against +5.5% for a steep one. Two consequences follow immediately, and both are usually left out when this number gets quoted. First, somebody pays for it . The equity you collect by arriving late was surrendered by the players who busted before you arrived, and it is diluted for everyone who was already seated. Late registration is not a free lunch discovered in the rules. It is a transfer, and you are on the receiving end only because other people are on the paying end. Second, the usual number is measured wrong . Quote the boost halfway through late registration and you are counting a prize pool that includes hundreds of entrants whose chips are not on the table yet. Their money is in the pool inflating your equity; their stacks are not in the chip count diluting it. Put those future entrants back in at their starting stacks and the picture changes a great deal. What ICM says a fresh starting stack is worth, level by level - +0% - +10% - +20% - +30% - 100bb 69bb 48bb 33bb 23bb 13bb +151% +61% +33% +7.0% +7.0% Only players already seated Counting entries still to come Exact ICM equity of a freshly seated starting stack, measured on real simulated fields. The blue line is the number usually quoted; it credits you with prize money belonging to players whose chips are not on the table yet. The two lines meet at the close of late registration, when nobody is left to arrive. The blue line is what you get if you run ICM on the players you can see. At level 1 it claims a starting stack is worth +151% more than the buy-in, which is obvious nonsense: it is dividing a 500-entry prize pool among the 40% of the field who have sat down so far. Halfway through the window it still claims +11.8% . Put the missing entrants back in at their starting stacks and the real figure at that moment is +1.5% . The two lines meet at the close of registration, when there is genuinely nobody left to come, at +7.0% . That convergence is the sanity check, and the gold line is the honest number. It is the one we use for the rest of this article. What the Published Numbers Say The literature is small, remarkably consistent about the size of the ICM effect, and almost silent about whether that effect survives contact with a real tournament. GTO Wizard's analysis of real tournament samples puts the boost at 9 to 12% in regular non-bounty events, measured where late registration closes with 37 to 48% of the field still alive: a $50 MTT at 37.5% remaining came out at +9.68%, a $15 MTT at 35% remaining at +11.89%. The same sample contains the two extremes that make the point: a satellite closing with only 24% of the field left was worth +57% , and a progressive knockout was worth -14% . Their per-big-blind figure is the one worth remembering. In that $50 event a starting stack was worth 50 cents per big blind at the start of the tournament and $6.84 per big blind at the close of registration. The chips are identical. What changed is that they are now a far shorter stack measured in big blinds, bought into a field that has already shrunk. Dara O'Kearney, who wrote the book on ICM in tournaments, arrives in the same place from a different direction: about 10% for a ten-player sit-and-go, around 22% for entering a 33-player event on day two, and close to double the buy-in for registering on the literal money bubble. His conclusion is that late registration is clearly profitable, immediately followed by the warning that a skilled player usually earns more by playing from the first hand against weaker opposition. Two studies go past the arithmetic. A Monte Carlo of one million simplified tournaments, giving professionals a 52-48 edge in every confrontation, produced ROIs of +15.2% for early-registering pros, +27.9% for late-registering pros and -18.4% for recreational players . Its own author flagged the fragility: raise the professional edge to 60-40 and the two registration strategies come out level, because that model gives skill nowhere to compound. Separately, a study of real results across 1,004 players and 8,834 entries in Triton events, using each player as their own control to cancel skill differences, found ROI improvements of +13.2 points for entries made with 60 to 70% of the field remaining and +10.5 points below 60%. Its cleanest signal was not ROI but cash rate: players who started from level 1 cashed about 15% of the time, late registrants upwards of 19%. Hold on to that one, because our simulation reproduces it independently. Against all of that, the practical advice from coaches runs the other way. Upswing's published guidance is to enter freezeouts with 40bb or more and knockouts with 50bb or more, and to enter turbos only at the start. Tournament regulars interviewed on the subject describe jumping in during the final minutes as straightforwardly losing, with one agreed exception: an overlay, where a guarantee has not been met and the prize pool contains money nobody paid for. So the theory says late, the practitioners say early, and every source is arguing about the size of a number produced by a model that does not contain a big blind. What ICM Cannot See ICM converts stacks to money using two inputs, the stacks and the payouts, and nothing else. It has no concept of position, no concept of skill, and, decisively for this question, no concept of the blinds. It prices a 13bb stack and a 130bb stack identically if they hold the same number of chips. That would be a harmless simplification if the error were random. It is not. It has a direction, it has been measured, and the direction is precisely the one that matters here. - An empirical validation of ICM presented at the 2025 IEEE Conference on Games , fitted to results from over ten thousand real tournaments, reports "evidence of the ICM underestimating the performances of players with larger stacks while overestimating those who are short-stacked." That is the entire mechanism of this article, found independently in field data. - A Statistical Science paper by Diaconis and Ethier compares ICM against the exact gambler's-ruin solution and finds it formally inadequate, with the disagreement growing without bound as a stack gets shorter. On the 2019 WSOP Main Event's final three, an ICM chop hands the short stack roughly $54,000 more than the exact model says it is worth. - The Dependent Chip Model paper puts a number on the same bias in deal-making terms: in a three-handed example it prices the shortest stack 33.7% below what ICM would hand them in a chop. - A thesis benchmarking equity models against a computed Nash equilibrium finds Malmuth-Harville ICM carries a mean absolute percentage deviation of 7.2% , the best of the plain equity models, and that Future Game Simulation roughly halves it , to 5.3% looking one hand ahead and 3.47% looking three. The thing FGS adds is exactly the thing ICM is missing: the cost of the blinds you are about to post. Read those together and the late registrant's position is uncomfortable. Every published estimate of the late-registration boost is computed with a model that is known, from real data, to overvalue exactly the kind of stack a late registrant buys. The bias does not merely add noise to the answer. It inflates it. Here is the same point in the numbers from our own simulated fields. As late registration runs, two things happen at once, and they pull in opposite directions. The field you are buying into, level by level - 0% - 50% 100bb 69bb 48bb 33bb 23bb 13bb 47% 0% Still alive Yet to register Both as a share of the eventual field. The blue curve peaks and then turns over, which is the whole mechanism: past that point every elimination concentrates the prize pool faster than new entries dilute it. The blue curve is what ICM sees and likes. It peaks while registration is still open, then turns over as eliminations outpace arrivals, and by the close only 47% of the eventual field is left to outlast. What ICM prices badly is everything that curve does not show. The average surviving stack has climbed to 2.12 starting stacks , with a chip leader on 8.3, so the stack you just bought is only 47% of the table average. It is 13 big blinds rather than 100. And the players who busted to create that shrunken field were disproportionately the ones you wanted to play against. It is worth ruling out the obvious suspect first. You might expect the late registrant to be punished by ICM pressure, the way a medium stack is punished on a bubble. They are not, and the numbers say so clearly. The ICM tax on a late registrant - 1.060 - 1.065 - 1.070 - 1.075 100bb 69bb 48bb 33bb 23bb 13bb 1.08 Bubble factor of a freshly seated starting stack against a median covering stack, computed exactly on simulated fields. A bubble factor of 1.30 would mean needing 57% equity to take a flip that chip maths prices at 50%. Note the axis: the whole range here is two hundredths. The bubble factor of a freshly seated starting stack against a median covering stack rises only from 1.06 to 1.08 across the whole late registration window. At the close you need 51.8% equity to take a flip that chip maths prices at 50%. That is a real tax but a trivial one, and it agrees with GTO Wizard's own observation that bubble factors do not move much this early even though strategy does. The money bubble, hundreds of eliminations later, is where those numbers get violent, and our [final table ICM guide](https://gtogecko.com/blog/final-table-icm-strategy) covers what they do to ranges there. So the late registrant's problem is not that ICM is squeezing them. It is that ICM is flattering them. And the reason sits in the same calculation. Tournament equity against stack size at the close of late registration - 0.0 - 5.0 - 10.0 0.25x 0.75x 1.5x 3x 6x 12x 9.36 11.74 Real worth (ICM) If chips were money Equity in buy-ins for a player holding a given multiple of the starting stack, on real simulated fields at the close of late registration. The gap between the two lines is the whole of ICM in one picture. This is the concavity of tournament equity, measured on real simulated fields at the close of late registration, and it explains both halves of the answer at once. A fresh starting stack is worth 1.07 buy-ins . Doubling it returns 2.06, which is a multiple of 1.93x, so at that depth chips convert to money almost linearly. Go up to twelve starting stacks and the same chips return 9.4 buy-ins instead of 11.7, a multiple of 8.75x. Read that curve from the late registrant's seat. You are buying in near the bottom of it, in the stretch where an extra chip is worth close to face value, which is precisely why the ICM boost you collect is modest rather than enormous. The steep discount lands on the chip leader, not on you. What you are actually buying is a cheap ticket into a shrunken field, and the price of the ticket is that the blinds are already large enough to take it away from you. It is worth turning that around, because the mirror image is the thing most players actually want to know: what is a big stack worth? On the pure ICM reading, less than you would hope. The chip leader at the close of registration is holding 8.3 starting stacks, and the curve says the marginal chip up there is worth a fraction of the marginal chip at the bottom. That is the honest arithmetic of the payout ladder, and it is why "I have to gamble to build a stack" is a much weaker argument than it feels like at the table. But this is also exactly where ICM is known to be wrong in the other direction. The same empirical study that found ICM overestimating short stacks found it underestimating large ones , and the reason is not mysterious. A covering stack applies pressure that ICM has no way to represent, because ICM does not know that anybody has to make a decision. Opponents' calling ranges tighten against it, its steals get through more often, and none of that appears in a model whose only inputs are stacks and payouts. So the true value of a big stack sits somewhere above the gold line and below the blue one, and the gap between them is made of playing skill. That is the same sentence as the one about short stacks, pointed the other way, and it is why this article ends up being about how you play rather than about when you sit down. How We Simulated It The question we needed to answer is not one ICM can answer, because ICM is one of the things being tested. So we built a tournament instead. It is worth naming what that is. Future Game Simulation improves on ICM by playing the next one to three hands forward before pricing the position, and the thesis quoted above shows that doing so halves ICM's error. What follows is the same idea taken to its limit: rather than looking three hands ahead, we play every remaining hand of the tournament , hundreds of times per entrant, and read the answer off the payouts. That is expensive, which is why nobody uses it at the table, and it is exactly right for settling an argument. The simulator is a chip-transfer model rather than a hand-by-hand poker engine, which is the right level of abstraction here: simulating individual streets would add enormous cost and no accuracy to a question about entry timing. What it does model is the four things that actually drive the answer. - Chips are conserved. Every chip won came from another player. Blinds and antes form a dead pot that somebody collects. - The blind clock escalates. Level 1 is 100bb deep and the close of registration is 13bb deep, with a big blind ante throughout. This is the mechanism ICM is blind to, so it had to be explicit. - Skill converts to chips faster when stacks are deeper, saturating around 40bb. A good player at 100bb realises materially more edge per hand than the same player at 10bb, which is the standard argument for registering early and had to be in the model for the test to be fair. - Elimination is terminal and the ladder is non-linear. A 500-runner field, 75 places paid (15% of the field), a harmonic payout ladder that reproduces real online structures closely: the winner takes 20.4% of the pool and the min-cash pays 1.4 buy-ins. Every tick, all surviving players are randomly re-seated into nine-handed tables and one hand is dealt everywhere. Blinds and antes are posted into a dead pot, which is awarded by a weighting over skill and stack depth. Separately, with some probability, two players contest a pot whose size is drawn from a heavy-tailed distribution capped by the effective stack, so most pots are small and a few are stack-offs. Players below 12bb are pulled into pots more often, as short stacks are in real games. Keeping those two things separate matters more than it sounds. In an earlier version of this engine the two players in a contested pot also split the dead money between them, which quietly made simply being in a pot worth four times a fair share. Because short stacks are in more pots, that handed them free chips, and free chips to short stacks is exactly the bug that manufactures a late-registration edge out of nothing. The engine now ships with an invariant test that fails if a player's expected chip change depends on their stack size when every player is identical. The free parameters were not chosen to make a point. They were fitted to published targets before any entry-timing question was asked, and then frozen. What we tied the model to Target What the model produced Share of the field still alive when late registration closes 42 to 48% (real samples) 47% Average surviving stack, in starting stacks about 2x 2.13x Chip leader then, in starting stacks 8 to 12x 8.3x Recreational ROI before fees about -20% -25.9% Regular ROI before fees about +4% +8.6% Professional ROI before fees about +49% +54.7% Whole field, before fees (must be exactly zero) 0.00% -0.00% Registration is staggered: recreational players front-load their entries and professionals spread out, which is what the field data implies and which, as it turns out, matters a great deal. Field composition is held on target so the test cohort never quietly toughens or softens the field it is being measured in. The experiment itself is a within-tournament design. Every tournament seeds five identical copies of the same player at each of the 12 possible entry levels, sixty test players in a field of 500. All sixty share one tournament, one field and one set of opponents, so the only thing that differs between them is when they sat down. Any run of luck in how that particular field turned out hits all twelve cohorts at once. On error bars: tournament results are violently skewed, so we quote them for the quantity that matters. Each headline figure rests on at least 275,000 simulated entries, and the difference between two entry levels, which is what every claim below is about, carries a standard error of roughly 2.0 points . We computed that error across tournaments rather than across entries, because the five clones seeded at one level share a field and are not independent observations. Doing it the easy way would have made our confidence intervals look about 60% tighter than they are. Result 1: The Structural Transfer, and How Much to Trust It To test ICM's promise cleanly we ran a version of the tournament in which every player is equally skilled . No professionals, no recreational players, no soft early field, nothing that can move the result except the structure itself. In that world the whole field averages exactly the buy-in before fees, so any entry level returning more than that is measuring the structural value of arriving at that moment and nothing else. We assert it as a test: the engine fails its own suite if that average drifts. Before trusting any of it, though, we had to deal with a parameter we could not look up anywhere. The engine has to decide how often a shoving short stack takes down the blinds and antes . A player with no shove leverage whatsoever wins the dead money exactly as often as any other seat, which is 11% of the time at a nine-handed table. A player whose shoves are feared wins it far more often. Nothing published pins the real figure down, and it is precisely the quantity a late registrant lives or dies by, so we swept it end to end. What max late registration is worth, against short-stack shove leverage - +0 pts - +5 pts - +10 pts - 11% 14% 17% 21% 25% 30% 36% Least-squares trend Individual runs Horizontal axis: how often a shoving short stack takes down the blinds and antes. A player with no leverage at all wins them one time in nine, their bare seat share, which is the left-hand end. Vertical axis: ROI points gained by entering at the close of late registration instead of at level 1, in a field where every player is equally skilled so nothing but the structure can move it. 14,000 tournaments per point, which leaves each point with a standard error of about 2.9 points, hence the fitted line. The result is the reassuring kind. Across the entire plausible range, from a short stack with no leverage at all to one that takes the pot 36% of the time, the structural value of registering at the close never turns negative : it runs from +3.9 to +11.4 ROI points against registering at level 1. The size of the prize moves; its existence does not. More shove leverage helps, by roughly 2.1 ROI points for every ten percentage points of shove success, but it never changes the sign and never comes close to the size of the effects in the next three sections. Individual points carry a standard error of roughly 2.9 points, which is why the chart shows a fitted line through them rather than pretending each dot is exact. That noise is also why we are not going to tell you the transfer is worth some precise figure: what the data supports is a range, and the range is comfortably positive. Running the same sweep on a professional in a normal mixed field says something the equal-skill version cannot. Their penalty for entering late shrinks from about -14.3% at the floor to about -3.6% at the top. A strong player who is genuinely good with ten big blinds gives up far less by turning up late than one who is not, which is the practical version of this whole article and the reason the last section is about push-fold rather than about clocks. For every result below we pin the dial at the far left of this chart : a short stack wins the blinds 11% of the time, its bare seat share, with no credit whatsoever for the fact that people do not enjoy calling all-ins. That is certainly too harsh. We use it anyway, because it is the one setting that cannot be accused of being chosen to produce a result, and because the sweep has just shown that the choice does not swing the answer. Everything that follows is a floor . Result 2: ICM Called the Size, and Cannot Call the Player Now hold ICM's prediction against the outcome, in the same units, on the same fields. The interesting part is not the size of the gap. It is that ICM does not have a gap that can be quoted. ICM's prediction against the range of outcomes it cannot distinguish - +0% - +10% - 100bb 69bb 48bb 33bb 23bb 13bb +7.0% +4.2% +12.2% ICM predicts No shove leverage Strong shove leverage All three series are measured the same way: the change in return on the buy-in, before fees, against entering at level 1, in a field where every player is equally skilled so only the structure can move them. ICM produces one line because stacks and payouts are its only inputs. The gold line is ICM's answer. It rises smoothly to +7.0% at the close of registration and it is the same line no matter who you are , because the model's only inputs are stacks and payouts. The two other lines are what the table actually paid in an equal-skill field, at the bottom and the top of the shove-leverage sweep. Reality is not one line near ICM's. It is a band that ICM sits somewhere inside. Enter at Stack ICM predicts No shove leverage At the neutral setting Strong shove leverage Level 1 100bb -0.0% +0.0% +0.0% +0.0% Level 2 83bb +0.1% +3.9% +1.5% +0.2% Level 3 69bb +0.4% +3.9% +0.8% -1.6% Level 4 58bb +0.7% +3.3% +3.2% -2.5% Level 5 48bb +1.1% +1.9% +2.7% -3.8% Level 6 40bb +1.5% +7.2% +3.2% +3.6% Level 7 33bb +2.1% +2.1% +2.4% -2.7% Level 8 28bb +2.7% +2.0% +2.4% +1.4% Level 9 23bb +3.5% -0.0% +3.7% +4.9% Level 10 19bb +4.4% +7.5% +4.7% +3.3% Level 11 16bb +5.5% +8.5% +5.8% +7.4% Level 12 13bb +7.0% +4.2% +6.5% +12.2% Here is the number we expected to be able to attack, and could not. At the floor setting, entering at the close was worth +6.5% more than entering at level 1, with a standard error of 1.4 points, against ICM's prediction of +7.0%. The gap is +0.5 points, which is 0.4 standard errors. ICM called it. We went looking for a systematic overstatement, on good theoretical grounds and with an empirical paper pointing the same way, and in this particular decision it is not there. Two things explain why the bias does not bite here, and both are already on charts above. The late registrant's stack sits in the near-linear stretch of the equity curve, where an extra chip is worth close to face value, so the concavity that trips ICM up is barely engaged. And their bubble factor is 1.08, meaning ICM pressure at this point in a 500-runner field is almost nothing. ICM is least reliable for short stacks near a pay jump. A late registrant is a short stack a very long way from one. What ICM still cannot do is tell those two players apart. At the optimistic end of the sweep the same decision was worth +12.2% , comfortably more than ICM promised, and ICM's answer did not move, because stacks and payouts are its only inputs. It is not wrong by a percentage here. It is answering a question with one number that has more than one answer. That is worth saying plainly, because it cuts against the direction we set out expecting. The 2025 IEEE Conference on Games paper does find ICM overestimating short stacks on real tournament data, and we believe it. What our numbers add is where that bias does and does not matter: it is a bias about stacks near elimination and near a pay jump, and the late-registration decision sits in neither place. Quoting the ICM boost for max late registration is fine. Quoting it as though it applied equally to every player is not. Does the transfer pay the rake? This is the version of the question that actually decides whether a marginal player is a winner, and it is worth doing explicitly because every ROI figure in this article is quoted after fees. Our tournament is $100 + $8, so the fee is 8% of the money that reaches the prize pool. Against that, the structural transfer from registering at the close measured +6.5% at the floor setting, rising to +12.2% at the top of the sweep. So even on the most conservative reading late registration claws back most of the tournament fee , and on a generous one it covers the fee outright with change to spare. GTO Wizard reach the same conclusion from their real-tournament sample, where a 9 to 12% boost "either negated or beat the rake" in every non-bounty event they measured. That framing is the one to carry to the table. Late registration is not a strategy that makes you a winning player. At best it is a rebate on the entry fee, and how much of the rebate you collect depends on how well you play the stack it hands you. Result 3: Who Actually Gains From Late Registration Now put the skill back in and ask the question players actually care about. Same tournament, same field, three player types, each measured at all 12 entry points. Return on investment after fees, by entry stack and player type - -31% +0% +53% 100bb -30% +0% +46% 58bb -27% -2% +40% 33bb -26% -1% +37% 19bb -21% +3% +36% 13bb Recreational Regular Professional 500-runner tournament, $100 + $8. Every column is at least 275,000 simulated entries. The three curves do not have the same shape, and that is the finding. ROI after fees against the stack you buy in with - +0% - +50% - 100bb 69bb 48bb 33bb 23bb 13bb +36.1% +2.6% -21.2% Professional Regular Recreational Read the shapes, not the wiggles: the standard error on each point is about ±1.36 points. Enter at Stack Field alive Recreational Regular Professional Level 1 100bb 40% -31.1% +0.2% +53.4% Level 2 83bb 62% -31.8% +1.5% +44.6% Level 3 69bb 72% -32.2% -0.1% +46.0% Level 4 58bb 77% -29.6% +0.5% +45.5% Level 5 48bb 78% -29.3% +1.4% +43.9% Level 6 40bb 76% -31.4% -0.9% +41.0% Level 7 33bb 72% -27.4% -1.6% +40.5% Level 8 28bb 68% -29.5% -0.2% +40.4% Level 9 23bb 63% -27.2% -0.8% +36.8% Level 10 19bb 58% -25.8% -0.6% +37.5% Level 11 16bb 52% -23.6% +1.4% +33.7% Level 12 13bb 47% -21.2% +2.6% +36.1% For the recreational player , registering late is close to the most profitable decision available anywhere in this article. ROI after fees improves from -31.1% to -21.2%, a gain of 9.9 points, and it improves at almost every step along the way. Two forces push the same direction. They collect the ICM transfer like everybody else, and they spend 34 minutes at the table instead of 85, which is an hour of their own mistakes that never get made. A losing player registering late is buying less exposure to themselves. The regular gains too, though more modestly and with less confidence: +0.2% at level 1 against +2.6% at the close, a swing of +2.4 points with a standard error of 1.5, so call it positive but do not bet the house on the exact size. Their cash rate moves more convincingly, from 15.8% to 17.6%. For a player whose edge is thin enough that the fee decides whether they are a winner, a couple of points is not nothing. For the professional , the sign flips. Entering at level 1 returned +53.4%. Entering at the close returned +36.1%, a change of -17.3 points, and that is not noise. The structural transfer is still there and still positive; it is simply much smaller than what a strong player gives up to collect it. Two things are being surrendered, and both are measurable in the run. The first is the soft field . The average skill of the players seated at level 1 is -0.506 on our scale against -0.211 at the close, because recreational players register early and then bust, so the strongest fields of the tournament are the ones you buy into last. The second is stack depth : 100 big blinds is where a skill edge compounds, 13 big blinds is where it is compressed into a shove-or-fold decision that a competent amateur can also get right. So the headline reverses the usual framing. Late registration is not an edge that good players exploit and weak players miss. It behaves much more like a subsidy, and it is worth most to the people who are worst at poker, because most of what it does is shorten the game. One thing moves the same way for the recreational player and the regular, and it is the cleanest signal in the study because it is far less noisy than ROI. Cash rate rises with a later entry. For the recreational player it went from 12.6% to 15.9%, and for the regular from 15.8% to 17.6%, because the field you have to outlast is smaller by the time you sit down. That is exactly what the real Triton data shows: players starting from level 1 cashed about 15% of the time against upwards of 19% for late registrants. Win rate does not follow it, and for a strong player it moves the other way. Our professional won the tournament 0.45% of the time entering at level 1 and 0.38% entering at the close, and their cash rate stayed flat at 19.7% against 19.6%. Late registration buys min-cashes for the players who were not going to reach the top of the ladder anyway. It does not buy anybody a better chance of winning the thing, and the top of the ladder is where the money is. Result 4: The Hourly Rate Changes the Answer Everything above measures return per buy-in. Almost nobody's actual constraint is buy-ins. It is hours. Dollars per hour at the table, by entry stack - $-50 - $0 - $50 - 100bb 69bb 48bb 33bb 23bb 13bb $61/h $5/h $-41/h Professional Regular Recreational Profit per hour of tournament time, one table. Late registration does not just change what you win, it changes how long you are there to win it. Our professional made $35.09 per hour of tournament time entering at level 1, and $61.19 per hour entering at the close , a factor of 1.7. That is the same player who just lost 17.3 points of ROI by making that choice. Both facts are true at once, and they are not in tension: the late tournament lasts 38 minutes rather than 99, so a smaller edge is being realised 1.57 times an hour instead of 0.61. Which of those two numbers you should care about depends entirely on what is scarce for you. If you can reliably find more tournaments at your stake to fill the time you free up, the hourly figure is the one that pays your rent. If your volume is capped by the schedule rather than by your clock, it is a mirage, and the ROI column is the only one that matters. Enter at Stack Time at the table Tournaments per hour Professional ROI Professional $/hour Level 1 100bb 99 min 0.61 +53.4% $35.09 Level 2 83bb 92 min 0.65 +44.6% $31.52 Level 3 69bb 86 min 0.70 +46.0% $34.79 Level 4 58bb 80 min 0.75 +45.5% $37.04 Level 5 48bb 73 min 0.82 +43.9% $38.70 Level 6 40bb 68 min 0.88 +41.0% $39.07 Level 7 33bb 63 min 0.95 +40.5% $41.73 Level 8 28bb 57 min 1.04 +40.4% $45.61 Level 9 23bb 52 min 1.15 +36.8% $45.53 Level 10 19bb 48 min 1.26 +37.5% $50.98 Level 11 16bb 43 min 1.40 +33.7% $50.80 Level 12 13bb 38 min 1.57 +36.1% $61.19 This is the piece that decides the argument for anyone playing volume, and it survives the objection you are probably forming. Most online grinders multi-table, which changes the arithmetic, but it changes it in the same direction: a shorter tournament frees a seat sooner, and the levels being skipped are precisely the ones where a big blind is worth the least real money. The same chart carries a warning for the recreational player, and it is the most uncomfortable result in the study. Their ROI improved by 9.9 points, which is a real saving per buy-in. Their rate of loss per hour at the table got substantially worse : $-23.71 an hour registering at level 1 against $-40.66 an hour registering at the close. Registering late does not make a losing player lose more slowly. It makes them lose less per tournament by buying less tournament, and the tournament they do buy is the expensive part. If what you are trying to protect is your bankroll, take the deal. If what you were buying was an evening of poker, you have just paid a higher rate for a shorter evening. One popular objection does not survive the data. Late registration is widely believed to be a high-variance strategy, on the grounds that you are buying a short stack. In our runs the standard deviation of a single entry's result was 7.6 buy-ins registering at level 1 and 7.0 buy-ins registering at the close, a change of -8%. An independent analysis of real tournament data reached the same conclusion, putting the change in standard deviation between a day 1 and a day 2 entrant at roughly plus or minus one percent. Cashing more often and winning no more often largely cancel out. If anything, playing more tournaments per hour pulls variance down over a season. Our [bankroll guide](https://gtogecko.com/blog/bankroll-management-for-pros) covers the buy-in counts that follow. Result 5: The Payout Structure Decides Almost Everything Change nothing about the tournament except the shape of the payout ladder, and the value of late registration moves further than any other variable we tested. How much max late registration is worth, by payout structure Satellite (50 equal seats) -9.4 pts Flat (25% paid) +5.8 pts Standard (15% paid) -17.3 pts Steep (10% paid) -24.0 pts Winner-take-all -26.9 pts - Change in ROI after fees from entering at the close of late registration instead of at level 1, for a professional. Same engine, same field, only the payout ladder changes. Payout structure Places paid Enter at level 1 Enter at the close Change Satellite (50 equal seats) 50 +28.0% +18.6% -9.4 pts Flat (25% paid) 125 +28.0% +33.8% +5.8 pts Standard (15% paid) 75 +53.4% +36.1% -17.3 pts Steep (10% paid) 50 +72.7% +48.7% -24.0 pts Winner-take-all 1 +110.6% +83.8% -26.9 pts These are measured on the professional, so read them against that player's baseline rather than against zero: in the standard structure they lost -17.3% by registering at the close, for all the reasons the last two sections gave. The question here is how far each payout shape moves them from that baseline. Two separate levers are doing the work, and players routinely collapse them into one. The first is how many places get paid . The second is how equal those payouts are . Our flat structure pays a quarter of the field on a gentle ladder and comes out at +5.8%; our satellite pays a tenth of the field in perfectly equal seats and comes out at -9.4%. The steep structure, paying only a tenth of the field on a very top-heavy ladder, comes out at -24.0%. Winner-take-all is the control, and it comes back at -26.9%, the worst of the five. With one rung on the ladder there is no transfer available at any moment of the tournament, so what is left is purely the cost of a tougher field and a shorter stack. Treat that number loosely, mind: a structure that pays one player has ferocious variance and its error bar is about 14 points. The sign is not in doubt; the exact figure is not worth quoting. The span from winner-take-all to the flat ladder is the clearest single measurement of the structural transfer in this whole study, because it is the same field, the same clock and the same player, with only the ladder changed. The published figures behave the same way. GTO Wizard's real-tournament sample put a satellite at +57% against 9 to 12% for standard MTTs, and their satellite closed registration with only 24% of the field left, which is a third lever again: the later the window closes, the more of the field has already paid in and busted. Our [satellite strategy guide](https://gtogecko.com/blog/poker-satellites) covers why those structures bend every other decision too. If you take one practical rule from this section, take this one: before deciding when to register, look at how many places get paid and how flat the ladder is. Those two numbers tell you more about the value of arriving late than your own win rate does. Result 6: Bounty Tournaments Make It Worse Again Progressive knockouts are the one format where the received wisdom is unambiguous: do not late register them. Our numbers agree, though by a smaller margin than the warnings in the literature imply. Late registration in a bounty tournament - +0% - +20% - +40% - +60% - 100bb 69bb 48bb 33bb 23bb 13bb +36.1% +8.6% Standard tournament Progressive knockout Same field, same structure, but half the buy-in goes into bounties. The bounty pool is being spent while you are not at the table. In a PKO, half of every buy-in goes into a bounty pool that is paid out continuously as players are eliminated. Arrive late and you have missed a large share of it. The regular prize pool is half the size, so a min-cash that returns 1.4 buy-ins in a standard event returns well under one, and the ICM boost you collect is a boost on the smaller half of the prize money. Meanwhile the bounties you did not collect are gone for good. Our simulation puts a professional at +28.5% entering at level 1 and +8.6% entering at the close, a change of -19.9%. Set that against the -17.3% the same player suffered in the standard event and the knockout format costs an extra 2.6 points on top of an already unattractive decision. The mechanism shows up directly in the payouts: bounties made up 43% of the level 1 entrant's total return and only 37% of the late entrant's. The money you came for has already been handed out. The published analysis agrees on the mechanism: by the time late registration closes with 30 to 35% of the field remaining, the bounty pool is 40 to 45% depleted and the value of a starting stack has fallen about 14%. Mystery-bounty rules can delay the bounty phase, so check the event structure rather than importing the PKO result. Once you have earned a mystery draw, [drawing now versus waiting is a separate probability question](https://gtogecko.com/blog/mystery-bounty-draw-timing). Does the Answer Survive Different Assumptions? Two of our modelling choices are assumptions rather than measurements, and both of them are load-bearing, so we re-ran the experiment with each one switched off — and, separately, at twice the field size. Model variant Level 1 At the close Change Baseline model +53.4% +36.1% -17.3 pts Everyone registers on the same schedule +45.2% +36.6% -8.6 pts Skill edge does not grow with stack depth +69.7% +61.0% -8.7 pts 1,000-entry field +61.4% +41.1% -20.4 pts The first is who registers when . Our baseline has recreational players front-loading their entries and professionals spreading out, which is what makes the early field soft and is the main reason a strong player is rewarded for turning up at level 1. Give every player type the same registration schedule and that softness disappears by construction, which is the single largest lever on the professional's answer. The second is whether a skill edge really grows with stack depth . This is the strongest argument for registering early and it is not calibrated to anything, so we removed it: same player, same edge per confrontation at 8bb as at 100bb. The field-size row is not an assumption being switched off, and it points the other way: doubling the field makes the professional's penalty worse rather than better, which is the one variant we ran where the case for turning up at level 1 gets stronger. Read together, the two runs decompose the professional's penalty almost exactly in half. Switch off the soft early field and 50% of it disappears. Switch off the depth advantage instead and 50% of it disappears. Neither assumption is carrying the result on its own, and neither is decorative: the reason a strong player should turn up at level 1 is both that the table is softer and that 100 big blinds is where their edge lives, in roughly equal measure. That also tells you how to adjust for your own game. If your field has no recreational bias in registration times, halve the early-entry case. If your edge is mostly preflop and shove-shaped rather than postflop, halve it again, and late registration starts to look reasonable even for a winner. What to Actually Do The answer is not universal, which is why the question keeps getting argued about. It depends on four things — how good you are, whether buy-ins or hours are the scarcer resource, the shape of the payout ladder, and the format — and the first is the one the rest of this article was really about. How good are you, relative to the field you are buying into? That turned out to be the variable that dominates everything else here. It decided whether registering late was worth +9.9 points or -17.3, a spread far larger than the structural transfer itself. Everything else on this list is a second-order adjustment to it. - If you are a losing or breakeven player in the game you are playing: register late. This is the clearest result in the study. It reduced the recreational loss rate by 9.9 points, and it works by giving you the ICM transfer while cutting the number of hands in which you can hurt yourself. - If you are a solid winner and your constraint is buy-ins: register at the start. On our numbers a professional gave up 17.3 points of ROI by turning up at the close instead, and the field is at its softest in the first two levels. - If you are a solid winner and your constraint is hours: register late anyway, and do the arithmetic yourself. You will lose ROI per buy-in and gain a large multiple on your hourly rate. Whether that trade is good depends on whether you can actually fill the hours you free up with more tables at the same stake. - Flat structures: late. Satellites: cheaper than a standard event, but not free. The transfer is largest where the ladder is both flat and wide — our flat ladder was the only structure where arriving late gained a professional ROI outright, while the satellite merely made the penalty smaller. Steep structures and winner-take-all: the boost is small or absent, so decide on field quality alone. - Progressive knockouts: early. The bounty pool is being spent while you are not there. - Turbos and hyper-turbos: at the start. There is no late-registration window long enough to matter and no stack depth to work with once it closes. - An overlay overrides all of the above. If a guarantee has not been met, the prize pool contains money nobody paid for, and taking a share of it beats every consideration in this article. One more thing, and it is the part that turns this from trivia into a skill. If you late register, you are choosing to play a stack between 10 and 25 big blinds for the opening stretch of your tournament, and that is a different game with different correct answers. It is also the most solvable part of tournament poker, which is what makes it worth learning properly rather than guessing at. Our [short stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers the push-fold framework, and the [ICM article](https://gtogecko.com/blog/icm-poker-strategy) explains why your calling ranges have to tighten when the covering stack is the one applying pressure. Limitations An honest data post says where its own numbers could be wrong, so here is the list. This is a model, not a hand history database . The engine reproduces field decay, stack dispersion and ROI spread that match published figures, but it does not play poker. It cannot tell you that a particular 14bb shove is a fold. The shove-leverage parameter is the weak point and we have not hidden it . It is not calibrated against anything, because nothing published pins it down, so we swept it rather than guessing. The good news is that the conclusion survives: the structural transfer stayed between +3.9 and +11.4 points across the whole range. We publish the figure at the floor of it, which makes the transfer figures here a lower bound rather than an estimate. It does not make the whole article conservative in the same direction: a floor setting is the least favourable end of the sweep for a strong player, so their penalty is not bounded the same way. The skill-versus-depth relationship, the other load-bearing assumption, is also an assumption rather than a measurement, and it is the single most important one for the early-entry case. We tested it by switching it off rather than by defending it. The field composition is a stylised three-type mix , and real fields are a continuum with correlations we have not modelled, including the strong likelihood that the players who register late are systematically different from those who do not, in ways beyond skill. Our design deliberately holds skill constant across entry cohorts to isolate the timing effect, which means it cannot capture that selection. We wanted a frozen-blinds control to isolate the clock directly, and we do not have one. With the blinds never rising the field stops busting, the tournament does not finish inside any sensible compute budget, and finishing positions would have had to be assigned arbitrarily. We dropped it rather than report a broken control, which means the clock's contribution is argued here from the stack-depth numbers rather than demonstrated by removing it. We model freezeouts . Re-entry changes the calculation, generally in favour of firing early enough to have bullets left. We model a single 500-runner field size with a single structure; the published data on field sizes and windows is consistent with our set-up, but a 40-minute-level live event and a hyper-turbo are different animals. Finally, ICM itself is a model with known biases, and we use it in two roles here: as the thing being tested, and as the yardstick for the equity calculations. Where those two roles could contaminate each other, we used the simulation rather than ICM as the source of truth, which is why the controlled equal-skill experiment exists. Common Questions Is late registration actually +EV? The structural transfer is real and ICM sizes it correctly: in a field where every player is equally skilled, buying in at the close was worth +6.5% more than buying in at level 1, even after we stripped a short stack of any shove leverage, against an ICM prediction of +7.0%. But "is it +EV for me" is a different question, and the honest answer is that it depends on how well you play ten big blinds, how soft your field is early, and what your time is worth. This article exists because those three things move the answer more than the ICM transfer does. How late is too late? It depends which player you are, which is the theme of the whole article. On our numbers a recreational player never reaches a point where arriving later is worse, so for them the answer is "there is no such thing as too late" in a non-bounty freezeout. A strong player is giving up ground from the first level onward. The common coaching advice, enter freezeouts with 40bb or more and knockouts with 50bb or more, is too conservative for a weak player in a standard MTT and about right for a strong one, which is roughly the opposite of how it is usually presented. Does late registration raise variance? Essentially not at all, which surprised us. The standard deviation of a single entry's result changed by -8% between entering at level 1 and entering at the close, and an independent analysis of real tournament data puts the same quantity at roughly plus or minus one percent. Cashing more often and winning no more often cancel each other out. What genuinely does reduce variance is playing more tournaments, which registering late lets you do. Should I late register a satellite? More readily than a standard tournament — though the case is relative, not absolute. Two levers drive the transfer, and flatness is only one of them: the other is how many places get paid. A professional registering at the close gave up 9.4 ROI points in our satellite, against 17.3 in the standard structure and 24.0 in the steep one. Only our flat ladder actually gained a strong player ROI outright, at +5.8 points — and it pays a quarter of the field where the satellite pays a tenth. Does this apply to live tournaments? The direction does; the magnitudes will differ. Live events have longer levels, so registering at the close leaves you deeper in big blinds than the 13bb our online structure implies, which strengthens the case for entering late because the stack you buy is more playable. The soft-field argument is usually stronger live too. The Short Version ICM is right that late registration is worth money, and on our numbers it sizes the prize accurately: it promised +7.0% and the table paid +6.5%. What it cannot tell you is the thing that actually decides your answer, because its only inputs are stacks and payouts and the question is really about who is holding them. What the transfer does deliver goes disproportionately to players who were going to lose anyway, because the main thing a losing player buys by arriving late is fewer opportunities to play badly. Strong players registering late are not buying ROI, they are selling it: 17.3 points of it, in exchange for 1.7 times the hourly rate. Whether that is a good trade is a question about your calendar, not about poker. Which points at the cheapest improvement available here, and it is not a change to your registration habits. Whatever time you sit down, at some point in every tournament you will be playing ten to twenty big blinds, and that is the most solvable stretch of tournament poker there is. Getting it right is worth more than getting the entry timing right — though that comparison is an argument from where the leverage sits, not a number this study measured. If you want to drill exactly those spots, that is what [GTO Gecko](https://play.gtogecko.com/) was built for, and our [training data post](https://gtogecko.com/blog/does-poker-training-work) measures what it does to a real player's mistake rate. Sources - [Kim (2025), Empirical Validation of the Independent Chip Model, IEEE Conference on Games](https://arxiv.org/abs/2506.00180) - [Diaconis and Ethier (2022), Gambler's Ruin and the ICM, Statistical Science](https://projecteuclid.org/journals/statistical-science/volume-37/issue-3/Gamblers-Ruin-and-the-ICM/10.1214/21-STS827.full) - [The Dependent Chip Model: a simple and more realistic alternative to the ICM](https://arxiv.org/abs/2102.07738) - [Comparing equity models against a computed Nash equilibrium (TU Wien)](https://repositum.tuwien.at/handle/20.500.12708/79991) - [GTO Wizard: Register Late, Win More](https://blog.gtowizard.com/register-late-win-more-the-math-behind-smarter-tournament-entry/) - [GTO Wizard: How Significant Is ICM During Late Registration?](https://blog.gtowizard.com/how-significant-is-icm-after-late-registering-a-tournament/) - [GTO Wizard: The ICM Benefits of Late Registration](https://blog.gtowizard.com/the-icm-benefits-of-late-registration-in-poker-tournaments/) - [GTO Wizard: How Payout Structures Impact ICM](https://blog.gtowizard.com/how-payout-structures-impact-icm/) - [GTO Wizard: The Hidden Cost of Late Reg in PKOs](https://blog.gtowizard.com/the_hidden_cost_of_late_reg_in_pkos/) - [GTO Wizard: When ICM Breaks Down](https://blog.gtowizard.com/when-icm-breaks-down/) - [PokerScout: Late-registering Triton players outperform their own earlier buy-ins](https://www.pokerscout.com/late-registering-triton-players-outperform-own-earlier-buy-ins-data/) - [PokerScout: Late-registering pros outperform equivalent pros in simulation](https://www.pokerscout.com/late-registering-pros-outperform-equivalent-pros-poker-tournament-simulation/) - [PokerNews: Is Late Registration +EV? ICM Gives Us the Answer](https://www.pokernews.com/strategy/is-late-registration-ev-icm-gives-us-the-answer-40229.htm) - [Upswing Poker: Late Registering Online Tournaments](https://upswingpoker.com/late-registering-mtt/) ### Should You Late Register? What 586,000 Simulated Tournaments Say https://gtogecko.com/blog/should-you-late-register-poker Late registration is the most argued-about free decision in tournament poker. One camp says arriving late is free equity, because the field has already shrunk and your buy-in buys a share of a concentrated prize pool. The other says you are skipping the softest tables of the day to buy a short stack. Both are right, and which one applies to you depends almost entirely on how good you are. We built a multi-table tournament simulator, calibrated it against published field data, and ran 586,000 tournaments . Every one of them seeded sixty identical players who differed in exactly one respect: the level at which they registered. This is the short version of the results. The [full study](https://gtogecko.com/blog/late-registration-poker-ev) shows the model, the controls, the sensitivity analysis and two bugs we had to fix along the way. The Short Answer Register late if you are losing, register early if you are winning. That is the opposite of how the advice is usually framed, and it is the single clearest result in the data. If you are a... Entering at level 1 Entering at the close Change Verdict Recreational player -31.1% -21.2% +9.9 pts Register late Solid regular +0.2% +2.6% +2.4 pts Slight edge to late Professional +53.4% +36.1% -17.3 pts Register early A recreational player gained +9.9 ROI points by buying in at the close of registration instead of at level 1. A professional lost 17.3 points . The weaker you are relative to the field, the more late registration is worth, because most of what it buys is a shorter tournament in which to make mistakes. Return on investment after fees, by entry stack and player type - -31% +0% +53% 100bb -30% +0% +46% 58bb -27% -2% +40% 33bb -26% -1% +37% 19bb -21% +3% +36% 13bb Recreational Regular Professional 500-runner tournament, $100 + $8. Every column is at least 275,000 simulated entries. What Was Already Known The existing numbers are consistent and all point the same way. GTO Wizard's analysis of real tournament samples puts the ICM boost at 9 to 12% in regular non-bounty events measured at the close of registration, with a satellite in the same sample worth +57% and a progressive knockout worth -14%. Dara O'Kearney, who wrote the book on ICM in tournaments, gets about 10% for a ten-player sit-and-go and around 22% for entering a 33-player event on day two. A study of real results across 1,004 players and 8,834 entries in Triton events, using each player as their own control, found ROI improvements of +13.2 points for entries made with 60 to 70% of the field remaining. Its cleanest signal was cash rate: players who started at level 1 cashed about 15% of the time, late registrants upwards of 19%. What none of that tells you is whether the boost survives contact with a real tournament, or who collects it. ICM has no concept of a big blind, no concept of skill, and no way to tell two players holding the same stack apart. That is the gap we went looking to fill. Why the Boost Exists at All Every player who busts before you sit down forfeits their prize equity, and that equity is redistributed to everyone still alive. Buy in afterwards and you pay the old price for a share of a pool that has already been concentrated. On a 500-runner tournament paying 15% of the field, ICM values a fresh starting stack at the close of registration at +7.0% over the buy-in. We tested that in a field where every player was equally skilled, so nothing but the structure could move the number. The table paid +6.5% , with a standard error of 1.4 points. ICM called it. The critical thing to understand is that this is not free money, it is a transfer . The equity you collect was surrendered by the players who busted before you arrived. In a winner-take-all tournament, where there is no payout ladder to transfer along, the boost is exactly zero at every stage. The flatter the ladder, the bigger the transfer. ICM boost from buying in after four of nine players have busted Satellite, 4 equal seats +22.6% Flat, 5 places paid +26.3% Standard, 50 / 30 / 20 +8.7% Steep, 65 / 25 / 10 +5.5% Winner-take-all +0.0% Exact Malmuth-Harville ICM. You buy in as the tenth entrant, with a starting stack, once four of the original nine are out. Winner-take-all is the control: it pays exactly zero, because the boost is a property of the payout ladder, not of the chips. How We Know The simulator is a chip-transfer model rather than a hand-by-hand poker engine, which is the right level of abstraction for a question about entry timing. What it does model is the four things that actually drive the answer: chips are conserved, the blind clock escalates, skill converts to chips faster when stacks are deeper, and elimination is terminal against a non-linear payout ladder. The free parameters were fitted to published field data before any entry-timing question was asked, then frozen. What we tied the model to Target What the model produced Share of the field still alive when late registration closes 42 to 48% (real samples) 47% Average surviving stack, in starting stacks about 2x 2.13x Chip leader then, in starting stacks 8 to 12x 8.3x Recreational ROI before fees about -20% -25.9% Regular ROI before fees about +4% +8.6% Professional ROI before fees about +49% +54.7% Whole field, before fees (must be exactly zero) 0.00% -0.00% Each tournament seeds five identical copies of the same player at each of the twelve possible entry levels, sixty test players in a field of 500, all sharing one field and one set of opponents. The difference between two entry levels carries a standard error of roughly 2.0 points, computed across tournaments rather than across entries because clones inside one tournament are not independent observations. What a Winning Player Gives Up A strong player collects the same transfer as everyone else. They just pay more for it, and our sensitivity runs split the bill almost exactly in half. - The early field is softer. The average skill of the players seated at level 1 is -0.506 on our scale against -0.211 at the close, because recreational players register early and then bust. Remove that gradient from the model and half the professional's penalty disappears. - Deep stacks are where an edge compounds. Level 1 is 100 big blinds; the close of registration is 13. Remove the depth advantage from the model and the other half disappears. Neither is decorative. The reason a good player should turn up at level 1 is both that the table is softer and that a hundred big blinds is where their edge actually lives. The Hourly Rate Points the Other Way Everything above is return per buy-in. Almost nobody's real constraint is buy-ins; it is hours. Our professional made $35.09 per hour of tournament time entering at level 1 and $61.19 entering at the close , because the second tournament takes 38 minutes instead of 99. Dollars per hour at the table, by entry stack - $-50 - $0 - $50 - 100bb 69bb 48bb 33bb 23bb 13bb $61/h $5/h $-41/h Professional Regular Recreational Profit per hour of tournament time, one table. Late registration does not just change what you win, it changes how long you are there to win it. So a winning player registering late is not buying ROI. They are selling it: 17.3 points of return, in exchange for 1.7 times the hourly rate. Whether that is a good trade depends on whether you can actually fill the freed-up hours with more tournaments at the same stake. If your volume is capped by the schedule rather than by your clock, it is a mirage. There is a trap here for the recreational player too. Their ROI improved, but their hourly loss got worse , from $-23.71 to $-40.66. Registering late does not make a losing player lose more slowly. It makes them lose less per tournament by buying less tournament, and the part they skip is the cheap part. Format Changes the Answer More Than Anything Hold the player and the field fixed and change only the payout ladder, and the value of late registration swings further than any other variable we tested. How much max late registration is worth, by payout structure Satellite (50 equal seats) -9.4 pts Flat (25% paid) +5.8 pts Standard (15% paid) -17.3 pts Steep (10% paid) -24.0 pts Winner-take-all -26.9 pts - Change in ROI after fees from entering at the close of late registration instead of at level 1, for a professional. Same engine, same field, only the payout ladder changes. The two levers are how many places get paid and how flat those payouts are . A structure paying a quarter of the field on a gentle ladder turned a -17.3% penalty into +5.8%. Winner-take-all, the control, came out at -26.9%: with one rung on the ladder there is no transfer to collect, so all that is left is the cost of a tougher field and a shorter stack. Progressive knockouts move the other way. Half of every buy-in goes into a bounty pool that is being paid out from the first hand, so arriving late means arriving after a chunk of the prize money is gone. Bounties made up 43% of our level 1 entrant's return and only 37% of the late entrant's, and the format cost an extra 2.6 points on top of the standard penalty. Mystery-bounty rules can start the bounty phase later. Once you have earned a draw, [the exact math of drawing now versus waiting](https://gtogecko.com/blog/mystery-bounty-draw-timing) is separate from registration timing. What To Actually Do Situation What to do Why You are losing or breaking even in this game Register as late as you can Worth +9.9 points, mostly by shortening the game You are a clear winner and short of buy-ins Register at the start You give up 17.3 points by arriving late You are a clear winner and short of hours Register late, and do the maths You trade ROI for 1.7x the hourly rate Satellite or any flat payout structure Register late Flat ladders make the transfer largest Steep structure or winner-take-all Decide on field quality alone Little or no transfer to collect Progressive knockout Register early The bounty pool is being spent while you are away Turbo or hyper-turbo Register at the start No meaningful window, no stack depth left There is an overlay Register, whenever you can The prize pool holds money nobody paid for Two things that override all of it. An overlay beats every consideration here: if a guarantee has not been met, the prize pool contains money nobody paid for, and you should take a share of it whenever you can. And in turbos and hyper-turbos , register at the start, because there is no meaningful window and no stack depth left once it closes. Common Questions How late is too late? It depends which player you are. On our numbers a recreational player never reaches a point where arriving later is worse in a non-bounty freezeout. A strong player is giving up ground from the first level onward. The usual coaching advice of 40bb or more is too conservative for a weak player and about right for a strong one, which is roughly the opposite of how it is normally presented. Does late registration raise variance? Essentially not at all, which surprised us. The standard deviation of a single entry's result changed by -8% between entering at level 1 and entering at the close. Cashing more often and winning no more often cancel each other out. Does it improve my chances of winning? No. Cash rate rises, from 12.6% to 15.9% for a recreational player, because the field you must outlast is smaller. Win rate does not follow it. Late registration buys min-cashes, and the top of the ladder is where the money is. Should I late register a satellite? Satellites and flat structures are where the transfer is largest, so yes, more than in any standard tournament. Our [satellite strategy guide](https://gtogecko.com/blog/poker-satellites) covers why those structures bend every other decision too. Does this apply to live tournaments? The direction does, the magnitudes will differ. Live events have longer levels, so registering at the close leaves you deeper than the 13 big blinds our online structure implies, which strengthens the case for arriving late. The One Thing Worth Doing About It Whatever time you sit down, at some point in every tournament you will be playing ten to twenty big blinds, and late registration simply moves that stretch to the beginning. It is also the most solvable part of tournament poker, which makes it the cheapest edge in this entire study to actually acquire. Getting the push-fold ranges right is worth more than getting the entry timing right, by our own numbers, several times over. Our [short stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers the framework, the [ICM article](https://gtogecko.com/blog/icm-poker-strategy) explains why your calling ranges tighten when a covering stack is applying the pressure, and [GTO Gecko](https://play.gtogecko.com/) drills the spots themselves. If you want the model, the controls, the confidence intervals and the parts where we were wrong, the [full study is here](https://gtogecko.com/blog/late-registration-poker-ev). ### Does Poker Training Work? 673,118 Real Decisions Say Yes https://gtogecko.com/blog/does-poker-training-work Yes, poker training works, and you do not have to take our word for it. We pulled every synced training history in the GTO Gecko database, 673,118 solver-graded decisions from real players, and followed fixed groups of players from their first decision onward. Players make 27% fewer mistakes by their 25th session and cut their EV loss per decision by 28% inside 1,000 trained hands. Among long-haul players, 81% of the total measured improvement arrives inside the first 750 decisions. This post shows the numbers, the charts, and the published research that explains why drilling works so well. Disclosure: GTO Gecko makes the trainer this data comes from. Everything below is observational product data, described honestly, with the methodology and its limits stated in plain language. None of it is a promise about your win rate at the tables. How Did We Measure Improvement? Every decision a player makes in the [GTO Gecko trainer](https://gtogecko.com/blog/preflop-trainer-guide) is graded against the solver's strategy for that exact spot and stored with its EV cost in big blinds. That gives us something rare in poker: a clean, decision-level record of how real players change as they practice. The dataset behind this post: 673,118 graded decisions from 317 players with synced training histories, computed on August 8, 2026. Three rules kept the analysis honest. First, improvement curves use fixed cohorts : the same players in every data point, so trends are never an artifact of who joined or quit. Second, a mistake means the grader scored the decision wrong or blunder (a low-frequency action losing more than 1% of the pot; blunders lose more than 5%). Third, one bias runs against us: the trainer adapts and serves harder spots as you improve, so if anything these numbers understate real progress. If you want to know how the underlying solutions are produced, that is covered in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). An honest data post should also point at the counter-evidence. The best-known study concluding that poker is a game of chance (Meyer and colleagues, 2013) had each participant play exactly 60 hands, deep inside the window where the 456-million-hand study below agrees that luck rules. And spacing researchers find smaller scheduling benefits on complex tasks than on simple ones, so we treat the practice-scheduling literature as directional support, not gospel. The improvement numbers above stand on their own data either way. Do Players Actually Make Fewer Mistakes? They do, and the effect is big. We followed the 100 players who completed at least 25 training sessions. In their first session they misplayed 14.1% of decisions. By session 25 that was down to 10.3%, a 27% drop in mistake rate , and the improvement is statistically solid (99.7% bootstrap confidence). The median session took under 5 minutes. Mistake rate per training session, sessions 1 to 25 - 8% - 10% - 12% - 14% - 16% session 1 session 13 session 25 14.1% mistakes 10.3% Average mistake rate per session, same 100 players throughout. Faint line: raw per-session values. Bold line: 5-session rolling average. How Much EV Do Players Stop Losing? About 28% less per decision, within the first 1,000 trained hands. Tracking the 99 players who reached 1,000 trained decisions, average EV lost per decision fell from 0.268 BB in their first 100 decisions to 0.194 BB by decisions 901 to 1,000 . Average EV lost per decision across the first 1,000 trained decisions - 0.10 BB - 0.20 BB - 0.30 BB first 100 decisions decisions 901-1,000 0.268 BB lost per decision 0.194 BB EV lost per decision in big blinds, same 99 players throughout. Faint line: per-100-decision averages. Bold line: 300-decision rolling average. Look closer and the improvement has a shape: training deletes the disasters first. The EV bled in big mistakes (spots costing 2 BB or more) dropped 38% across those 1,000 decisions, while small imprecisions changed little. That matches how the money actually moves: across our whole database, the average blunder torched 2.75 big blinds . A strong winning player earns about 5 BB per 100 hands, so a single unnoticed blunder erases half of that. Killing one recurring blunder is worth more than polishing fifty small spots. How Big Can the Improvement Get? The averages hide the upside. Comparing each player's first 250 decisions with their latest 250, 43% of players cut their EV loss by 30% or more, and roughly 1 in 3 cut it in half . The top tenth of improvers cut it by roughly 84%. Share of 1,000-decision players by size of EV-loss reduction Cut EV loss by 30% or more 43% of players Cut it in half (50% or more) 32% Cut it by 70% or more 19% First 250 decisions versus latest 250, among the 99 players who reached 1,000 trained decisions. Does Training a Little Every Day Beat Cramming? By a factor of six. Players who trained on 10 or more days in their first month gained a median of 3.0 accuracy points. Players who trained on 4 days or fewer gained 0.5. Frequency beat intensity, exactly as the learning research predicts: in the largest review of practice scheduling ever conducted (839 assessments), spacing beat cramming in 259 of 271 direct comparisons. The classic typing-training experiment makes it concrete: trainees practicing one hour a day reached the target skill in 30% fewer total hours than the four-hours-a-day group, on identical total practice, and typed 22% faster at the end. Accuracy gain by training frequency in the first month - +3.0 pts Trained 10+ days in their first month +0.5 pts Trained 4 days or less in their first month Median accuracy gain, first 100 decisions versus latest 100. 85 consistent players versus 56 sporadic. Why Is a Trainer Faster Than Just Playing? Because almost none of your time at the table is decision time. A live table deals roughly 25 to 30 hands per hour, and you fold most of them. An online table deals 75 to 100. The median GTO Gecko player makes 282 graded decisions per hour of active training, each with instant feedback: the correct action, and what your choice cost in EV. One focused hour buys you a week's worth of live-table decisions. Graded decisions per hour: trainer versus table play GTO Gecko trainer 282 / hour Online cash game, one table ~75 Live casino table ~27 Trainer pace: median across 317 players, active training time. Table paces: industry estimates (see sources). Instant feedback is what makes that hour count, but only the right kind. The largest meta-analysis of feedback ever conducted (607 effect sizes, 23,663 observations) found that feedback improved performance on average, yet made it worse in 38% of cases . What separated the wins from the losses: feedback aimed at the task helps, feedback aimed at the person hurts. A trainer that shows you the solver's action and the exact EV cost of yours, with no judgment attached, is precisely the kind the research says works, and it arrives 282 times an hour. What Is the 80/20 of Poker Training? The first few weeks do most of the work. Among players who drilled 3,000 or more decisions, average EV loss fell from 0.241 BB to 0.170 BB, and 81% of that entire drop had already happened by hand 750 . The gains front-load: the first 750 focused reps deliver most of the drop, and the rest is refinement. Share of total improvement by training phase First 750 hands (25% of reps) 81% of the gain Remaining 2,250 hands 19% Among 47 players with 3,000+ trained decisions: EV loss fell from 0.241 BB to 0.170 BB, and 81% of that drop had happened by hand 750. How Fast Do Ratings Climb? Fast: the average rating nearly doubles inside 1,000 decisions. The in-app rating is an Elo-style score that rises with correct decisions and falls with mistakes, weighted by difficulty. Across the same 99-player cohort it climbed from 1,243 to 2,236, rising in every single 100-decision block. It is a progress metric rather than a bankroll metric, but it means the improvement is steady, not a lucky streak. Average in-app rating across the first 1,000 trained decisions - 1,000 - 1,500 - 2,000 first 100 decisions decisions 901-1,000 1,243 2,236 Average in-app rating (Elo-style), same 99 players. It rises in every 100-decision block. Is Poker Even a Skill Game? It is a skill game once the sample gets real, and that has been measured. Researchers analyzed 456 million player-hand observations from real-money online games and found that winning players keep winning: top performers reappear at the top, period after period. Their simulations showed that once performance is measured over roughly 1,500 hands, skill dominates chance (the exact critical point: 1,471 hands). The same dataset shows what most players never fix: only 32% of all players finished with any profit after rake, and rake alone flipped 5.5% of the pool from winners to losers. Luck decides your night. Skill decides your year. Skill overtakes luck as the sample grows - ~1,500 hands Trained skill Luck (variance) Illustration of the PLOS ONE finding: measured over roughly 1,500 hands or more, skill dominates chance (critical point: 1,471 hands). Live tournament data agrees. University of Chicago economists Levitt and Miles tracked all 32,496 entrants of the 2010 World Series of Poker. The 720 players identified beforehand as high-skill earned a +30.5% average return on investment; everyone else averaged -15.6% . That is a 46-point gap between players who study and players who just play, in the most luck-heavy format poker has. Return on investment at the 2010 World Series of Poker - +30.5% ROI High-skill players 720 of 32,496 entrants -15.6% ROI Everyone else 31,776 entrants Levitt and Miles tracked all 32,496 entrants of the 2010 WSOP. Skill was worth a 46-point ROI gap. Why Learn GTO Specifically? Because when game-theory optimal strategy met the best humans on earth, it was not close. DeepStack beat professionals by a variance-adjusted 486 milli-big-blinds per hand (Science, 2017). Libratus beat four elite heads-up specialists by 147 mbb per hand over 120,000 hands at 99.98% statistical significance (Science, 2018). Pluribus then won six-handed against elite pros at roughly 5 BB per 100 (Science, 2019). For scale, professionals treat 50 mbb per hand as a decisive edge. If you are new to the concept, start with [what GTO poker actually means](https://gtogecko.com/blog/what-is-gto-poker). How hard GTO-based AI beat professional players DeepStack vs pros (2017) 486 mbb/hand Libratus vs elite pros (2018) 147 Pluribus, 6-max pros (2019) 48 Winning margins in milli-big-blinds per hand, all statistically significant. Professionals consider 50 mbb per hand a decisive edge. Why Does Drilling Beat Watching Videos? Because your brain keeps what it retrieves, not what it re-reads. In the landmark test-enhanced learning study, students who were repeatedly tested recalled 61% of the material a week later; students who repeatedly re-studied recalled 40% , despite reading it four times more often, and despite being more confident they would remember it. Passive review only feels productive. Recall after one week: testing versus re-studying - 61% Repeatedly tested recall after 1 week 40% Repeatedly re-studied recall after 1 week Roediger and Karpicke (2006), Experiment 2. The re-study group read the material four times more often and still remembered far less. Poker also happens to sit in the single most trainable category of skill ever measured. A meta-analysis across five domains found deliberate practice explains 26% of the performance differences between players in games, more than in music (21%), sports (18%), education (4%) or professions (under 1%). How much of performance deliberate practice explains, by domain Games 26% Music 21% Sports 18% Education 4% Professions <1% Macnamara, Hambrick and Oswald (2014) meta-analysis. Games top the list, and poker is a game. Structured drill apps compress this loop harder than any classroom. An efficacy study commissioned by Duolingo found the average learner needed 34 hours to cover a full US college semester of Spanish (the median learner needed more, but the direction is not in dispute). Same mechanism, different game: short reps, instant grading, adaptive difficulty. For a concrete weekly plan built on these principles, see [how to practice poker](https://gtogecko.com/blog/how-to-practice-poker). What Should You Do With This? The data suggests a routine that is almost embarrassingly light: - Train most days, briefly. Ten or more days a month separated the 6x improvers from everyone else. The median session in our data is under 5 minutes. - Chase the big leaks first. One 2.75 BB blunder outweighs dozens of tiny imprecisions, and big-mistake EV is exactly what fell 38% in the first 1,000 hands. - Get through your first 750 reps. That is where 81% of the measured improvement lives. - Drill, do not just watch. Retrieval with instant feedback is the highest-leverage learning mechanism known, and it is the entire design of the [GTO Gecko trainer](https://play.gtogecko.com/). Frequently Asked Questions How many hands of training does it take to improve at poker? Less than most players think. In GTO Gecko data, mistake rate is measurably lower within 25 short sessions, and 81% of the EV-loss improvement measured across 3,000 hands had already arrived by hand 750. Published research puts the point where skill dominates luck at roughly 1,500 played hands. Do poker trainers actually work? The measurable answer from 673,118 graded decisions: players cut their mistake rate 27% by session 25, cut EV loss per decision 28% within 1,000 hands, and 1 in 3 dedicated players cut EV loss in half. Learning science explains the mechanism: retrieval practice with instant feedback beats passive study by a wide, replicated margin. How long should a poker study session be? Short and frequent wins. The median training session in our data lasts 4.4 minutes, and players who trained on 10+ days in their first month improved 6 times faster than players who crammed on 4 days or fewer. This matches the spacing literature: distributed practice reliably beats massed practice. Is poker more luck or skill? Over a session, luck. Over a sample, skill. The PLOS ONE study of 456 million hands found skill dominates chance once performance is measured over about 1,500 hands, and WSOP data shows high-skill players earning +30.5% ROI while everyone else lost money. ### How GTO Gecko's Solutions Are Made: Solvers, Antes, ICM, and Rake https://gtogecko.com/blog/how-gto-gecko-solutions-are-made Every GTO training app asks you for the same leap of faith: trust that the numbers behind the charts were solved correctly. You should not have to take that on faith. GTO solver accuracy is measurable, the assumptions behind a solution (antes, rake, stack depths, payout structures) are checkable, and any product asking for your money should put both on the table. This post exists because players keep asking us a fair question: where can I read about the solutions in the app? This is that page. It covers what the library contains (tournaments first, since that is what most people ask about), the game conditions every spot is solved under, and the verification each solution passes before it ships. A few implementation details stay private, and we explain exactly why. Everything a player needs to judge the data is here. Why Solution Quality Is the Whole Product A solver's output is judged by exploitability : how much a perfect opponent could win against your strategy if they knew it exactly. A true [Nash equilibrium](https://en.wikipedia.org/wiki/Nash_equilibrium) has zero exploitability. Real solver output always has a little, and the industry convention (popularized by [GTO Wizard's Nash distance writing](https://blog.gtowizard.com/understanding-nash-distance/)) is to express it as a share of the pot. Professionals generally treat a few tenths of a percent of the pot as solved and anything approaching one percent as the outer edge of acceptable. Our take: this convention is healthy for the whole industry, and it is the standard we hold our own data to. The stakes are real. In one widely covered 2022 case, a top tournament pro noticed a commercial training app's postflop sims looked wrong, re-ran the spots in a desktop solver deliberately set to 8 percent accuracy, and found the outputs were nearly identical. That is more than an order of magnitude outside professional tolerance, and the episode followed the product for years. The lesson for players: "we have GTO solutions" is not the claim that matters. What matters is which game conditions were solved, to what convergence standard, and what checks the data passes before you see it. So here is how a GTO Gecko solution is made, in the same order the work happens. How a GTO Gecko Solution Is Made The GTO Gecko solution pipeline - 1 Design the game tree Format, depth, antes, rake, and bet sizes for every spot 2 Solve to a convergence target CFR equilibrium engines run to accuracy goals, not timers 3 Verify every node Integrity gates, round-trip checks, regression tests 4 Ship the same data everywhere Identical solutions on iOS, Android, and the web app Every published solution passes through the same four stages. Stage 1 is tree design. Before anything gets solved, someone has to decide what game is being solved: how many players, how deep, what the ante structure is, what rake comes out of the pot, and which bets and raises are on the menu. We build these trees by hand per format and per depth. Open sizes range from 2x to 3x plus all-in opens where stacks are short, the raise wars run all the way through 4-bets and 5-bet jams (including calling ranges against 4-bets, which many chart products simply do not carry), and limp lines appear where depth makes them part of equilibrium play. Most configurations publish several open sizes side by side, so you can study the tree that matches how you actually play instead of being handed one size and told it is optimal. Stage 2 is the solve. Preflop solutions come from Monte Carlo CFR-family equilibrium engines (CFR is counterfactual regret minimization, the algorithm family behind every serious poker solver). Each solve runs until it meets a statistical convergence target set for that solve, not until a timer runs out. Postflop, the full flop and turn game trees for every published configuration are solved offline to a fixed exploitability target with an iteration cap, using card isomorphism so that each of the 1,755 strategically distinct flops stands in exactly for the full set of 22,100. River strategies are completed by the same solver engine from the exact reach ranges preserved in those solved trees, and held to the same standard. Card isomorphism is a whole-state mapping, not permission to ignore suit-specific combinations. Our separate [four-test audit of poker solver suit frequencies](https://gtogecko.com/blog/poker-solver-suit-frequencies) shows how a complete suit relabel maps the board, both weighted ranges, every future card, and output labels—and why changing only one hand on a fixed board can legitimately change blockers, runouts, EV, and frequency. Stage 3 is verification. Solving is not the risky part; exporting, converting, and shipping data is. Machines check every release. The details are in the accuracy section below, because they deserve more than a sentence. Stage 4 is delivery. Solutions are packaged in a compact format that stores action frequencies to a hundredth of a percent and EVs to five decimal places, and the mobile apps and [play.gtogecko.com](https://play.gtogecko.com/) read the same published datasets through matching decoders. A spot you look up on your phone and the same spot on the web app come from one source of truth. One honest note on what we do not publish: the vendor list and the settings files. Poker tooling is a market full of lookalike apps, and our toolchain, tree scripts, and packaging pipeline are the result of years of work. We publish the method, the assumptions, and the checks (the parts you can evaluate from the outside), and keep the recipe private. Every serious solutions provider makes the same trade-off somewhere; we prefer to say so plainly. What Is in the Library? Tournaments First The preflop library currently spans more than 3,600 solved scenario configurations across tournaments, cash, and Spins, and the postflop library is more than 8.5 terabytes of precomputed solver output in roughly 660 million solution files. Here is how that breaks down, starting with MTTs. MTT ChipEV Solutions The modern MTT preflop catalog holds 1,167 solved scenarios covering every table size from heads-up to 9-handed. Depth coverage follows how tournaments actually play: heads-up trees run from 2 up to 200 big blinds, mid-table sizes cluster in the depths where real MTT decisions live, and 9-max coverage extends down into pure push-fold territory (82 of the trees are all-in-or-fold by construction, because at those depths that is the equilibrium). Antes are modeled the modern way: a big blind ante posted as dead money, sized at 12.5 percent of the big blind per player, with stacks accounted so that a 100bb tree is exactly 100bb deep behind the ante. If you have read our [GTO preflop strategy guide](https://gtogecko.com/blog/gto-preflop-strategy), these are the solutions those concepts come from. MTT ICM Solutions ICM is where most products get vague, so here is our model, specifically: a 1,000-runner tournament paying 150 places, with the winner earning 15.19 percent of the prize pool and payouts stepping down to a min-cash of roughly 0.2 percent. Against that one consistent payout structure we solve 504 scenarios across 310 stack configurations, from 3-handed up to 9-handed, at stages spanning the whole tournament: 75 percent of the field remaining, then progressively shallower stages down to 5 percent, the stone bubble (151 players left), three tables, two tables, and final tables from 9-handed down to 3-handed. Solved ICM stages across a 1,000-runner tournament Solved ICM stages, 1,000-runner field, 150 paid - 75% left 18% left 5% left Bubble (151 left) 3 and 2 tables Final table 9- to 3-handed Eleven solved stage groups against one consistent payout structure, so strategy shifts between stages are real, not artifacts of changing assumptions. Every ICM scenario ships with its full context visible in the app: the payout ladder, per-seat tournament equity before the hand, and bubble factors (which peak around 1.2 as the money approaches). EVs in these solutions are expressed in tournament equity, not chips, because that is what ICM decisions are actually about. Selected stack lineups are published across multiple stages, so you can watch the same spot tighten and loosen as the tournament progresses. The trees are genuinely re-solved per stage; nothing is interpolated between stages. For the strategy side of this, see [ICM poker explained](https://gtogecko.com/blog/icm-poker-strategy) and our [final table ICM guide](https://gtogecko.com/blog/final-table-icm-strategy). MTT Postflop Solutions Tournament postflop trees are precomputed at 15, 20, 30, 50, 70, and 100 big blinds with a big blind ante in the pot, covering single-raised pots at every depth, 3-bet pots from 20bb up, 4-bet pots from 50bb up, and dedicated blind-versus-blind line families (limped pots included, because that is how blind battles actually go). Every configuration covers all 1,755 strategically distinct flops, and precomputed aggregate reports let you study frequencies across every flop at once instead of one board at a time. Cash, Spins, and Heads-Up Cash game solutions are solved rake-aware, with three separate rake models: online 6-max at 100bb with 5 percent rake capped at 4bb, live 150bb games with 8 positions and 10 percent rake capped at 2bb, and straddled games at 100bb and 200bb with a mandatory straddle, an ante, and 4 percent rake capped at 2bb. Spins are solved 3-handed from 1 to 50 big blinds at antes of 0 and 17 percent of the big blind, with postflop trees at 10 through 30bb, and the heads-up endgame is solved at every half big blind from 2 to 20.5bb, so the pay-jump-critical depths have no gaps. There is also a curated 3-way postflop library (109 vetted flops across cash, MTT, and Spins configurations), and separate exploit trees against Fish, Nit, and Maniac player profiles, which our [GTO versus exploitative guide](https://gtogecko.com/blog/gto-vs-exploitative) puts in context. If Spins are your game, the [Spin and Go game plan](https://gtogecko.com/blog/spin-and-go-strategy) is built on exactly these solutions. Library Coverage Antes and rake MTT ChipEV preflop 1,167 scenarios, 2- to 9-handed, heads-up to 200bb, push-fold at the short end BB ante, 12.5% of the big blind MTT ICM preflop 504 scenarios, 310 stack setups, 3- to 9-handed, 11 tournament stages BB ante, one fixed 1,000-runner payout model MTT postflop 15 to 100bb, SRP, 3-bet, 4-bet, blind vs blind, all 1,755 distinct flops BB ante in every pot Cash preflop + postflop Online 6-max 100bb, live 150bb 8-handed, straddled 100/200bb Raked: 5% cap 4bb, 10% cap 2bb, 4% cap 2bb Spins preflop + postflop 3-handed, 1 to 50bb, heads-up in half-bb steps to 20.5bb Antes 0 and 17% of the big blind Multiway + exploit 3-way postflop on 109 curated flops, profile-based exploit trees Matches the parent format Do the Solutions Account for Antes and Rake? Antes: yes, and precisely. Tournament and Spins solutions are solved with the ante in the pot from the first action, modeled the way modern games play it (a big blind ante posted as dead money rather than per-player antes). This is not cosmetic. The ante changes the price on everything: opens get wider, blind defense gets wider, and short-stack shove and call thresholds move by whole big blinds. A rake-free, ante-free chart applied to an ante game is systematically too tight, which is exactly the kind of quiet error that costs money for years. Our [preflop charts guide](https://gtogecko.com/blog/preflop-charts-opening-ranges) shows what these ranges look like in practice. Rake: yes, for every cash format, with the cap and percentage modeled per game type. Rake mostly comes out of small and medium pots, so it hits exactly the marginal preflop decisions that charts are supposed to settle: the thin blind defense, the borderline open, the small-pairs set-mine. Solving with rake in the tree makes those ranges measurably tighter than rake-free charts, which is why our cash ranges can look different from a rake-free solve you have seen elsewhere. Both are equilibria; only one was solved for the game you are sitting in. Tournament solutions are correctly rake-free in play, since MTT rake is paid in the buy-in and never touches an in-game pot. To audit the accounting assumption itself, use our [poker rake-cap worksheet for effective rake by pot size](https://gtogecko.com/blog/poker-rake-cap-math). It separates the published percentage, dollar cap, dealt-player bucket, and whole-cent rounding boundary before any strategic interpretation. Why assumptions move ranges Three directional effects worth internalizing. With a BB ante in the pot, every unopened spot offers a better price, so equilibrium opens and defends widen. With rake in the tree, small and medium pots pay a tax, so thin calls and marginal opens tighten. Under ICM near the bubble, chips you can lose are worth more than chips you can win, so calling ranges tighten hard while shoving wide stays strong. An app that cannot tell you which of these its charts assume is asking you to guess. How Do We Verify Accuracy? Convergence happens at solve time: every solve runs to its accuracy target before it is accepted. But most data corruption in any solutions product happens after the solve, in export and packaging. So the pipeline is instrumented end to end: - Node integrity gates. Every exported preflop node must contain all 169 starting hand classes, with minimum-frequency floors that catch lossy or truncated exports before they ship. A solve that fails the gate does not get published. - Round-trip verification. ICM releases are decoded back out of the shipped format and compared against the original solver output, node by node. Maximum allowed EV deviation is within the storage precision itself, and solver invariants (like fold EV equaling exactly zero) are checked on every node of a release. - Regression tests on live data. The apps' decode and tree-navigation paths are exercised by automated tests that replay real published solutions end to end, so a data update cannot silently change what a spot displays. - Parity proofs. The exploit (player profile) solver is required to reproduce the pure GTO solution byte for byte when profile adjustments are switched off. Same engine, provably, not a separate approximation. - Calibrated grading. The trainers grade against the solved data with EV-aware tolerance: any action the solver itself mixes at meaningful frequency is accepted, and spot difficulty is classified by the EV gap between the best and second-best action, down to hundredths of a big blind. When a spot is a true coin flip in the solution, the trainer knows it, and [EV loss tracking](https://gtogecko.com/blog/poker-leak-finder-ev-loss) is measured against that same data. A solve runs until exploitability falls below its target - - Exploitability Solver iterations - convergence target target met, solve accepted - Illustration of a solve converging: iterations continue until exploitability falls below the preset target. No timer decides when a solution is done. Just as important is what we do not claim. There is no heads-up-table postflop library in the product today; anything labeled 2 players postflop means two players reaching the flop at a fuller table. The ICM model is one specific, clearly stated tournament (it assumes equal skill and does not model future blind levels, like essentially all ICM tooling). And the quick-reference simplified ranges are simplified on purpose and labeled as such; the full mixed-frequency solutions sit behind them. If a limitation matters to your study, we would rather you know it than discover it. Why Do Ranges Differ Between Apps? Put two serious GTO products side by side and you will find spots where the frequencies disagree. Before concluding that someone is wrong, check the assumptions, because in most cases the apps are solving different games: a different rake model, a different ante structure, a different menu of open sizes, a different bet-size abstraction postflop, or a different convergence standard. On top of that, many preflop decisions are genuinely close: when a solver mixes an action at 40 and 60 percent, the EV gap between the options is often inside solver noise, and two correct solves can land on different sides of it. That is exactly why every spot in GTO Gecko displays its configuration (format, depth, ante, rake, and for ICM the full tournament context), and why the trainer accepts any action the solution itself plays at meaningful frequency. The skill being trained is not memorizing one app's decimals; it is playing ranges whose assumptions you understand. Our guides on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) and [solvers versus trainers](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) go deeper on studying this way. Frequently Asked Questions What tournament model are the ICM solutions based on? A 1,000-runner MTT paying 150 places, winner-take 15.19 percent of the pool, solved at 11 stages from 75 percent of the field remaining through the stone bubble, three tables, two tables, and final tables from 9-handed to 3-handed. Every scenario shows its payout ladder, stack-based equities, and bubble factors in the app. Do the MTT solutions include antes? Yes. MTT solutions use a big blind ante at 12.5 percent of the big blind per player, posted as dead money, with depths accounted behind the ante. Spins use 17 percent antes alongside ante-free trees. Tournament postflop trees carry the ante in the pot too. Do the solutions account for rake? Cash solutions are solved with rake inside the game tree: 5 percent capped at 4bb for online 6-max, 10 percent capped at 2bb for live 150bb games, and 4 percent capped at 2bb for straddled games. Tournament solutions are rake-free in play by design, since MTT rake is paid in the buy-in. Are the solutions the same on mobile and web? Yes. iOS, Android, macOS, and [play.gtogecko.com](https://play.gtogecko.com/) read the same published datasets through matching decoders, and automated tests replay real published data through both. A spot gives the same answer wherever you open it. How accurate are the solutions? Every solve runs to a preset convergence target rather than a time limit, and the bar we design to is the industry's sub-percent exploitability convention described earlier in this post. Every release then passes machine verification: full 169-hand coverage at every node, round-trip decode checks, and regression tests against live data. We publish the standard and the checks rather than a single marketing number, because a number without its verification story is exactly what burned players in the past. Why not name the solver software and settings? Because the toolchain is the competitive asset copycat apps would most like to have. We publish what you can actually evaluate: the algorithm family (Monte Carlo CFR equilibrium solving), the game conditions of every solution, the precision of the shipped data, and the verification each release passes. The vendor list and settings files stay private. Study on Solutions You Can Interrogate The standard, in one paragraph: more than 3,600 solved preflop configurations and a multi-terabyte postflop library, every spot solved under stated conditions (antes, rake, depth, payouts), run to convergence targets, machine-verified before release, and shipped identically to every platform, with the assumptions displayed where you study. If a training tool will not tell you these things, ask why. You can interrogate ours directly: open any spot in [the web app](https://play.gtogecko.com/) or on [iOS](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), check the configuration panel, and hold the numbers to the standard this post just described. That is how we would evaluate a training app, so it is how you should evaluate this one. Sources - [GTO Wizard: Understanding Nash Distance](https://blog.gtowizard.com/understanding-nash-distance/) - [VIP-Grinders: the 2022 training-app accuracy controversy](https://www.vip-grinders.com/dominik-nitsche-calls-pokercodes-odin-the-worst-sim-he-has-ever-seen/) - [Wikipedia: Nash equilibrium](https://en.wikipedia.org/wiki/Nash_equilibrium) - [GTO Gecko on the App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) - [GTO Gecko on Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [GTO Gecko web app](https://play.gtogecko.com/) ### AI Poker: What GTO AI Tools Can (and Can’t) Do for Your Game https://gtogecko.com/blog/ai-poker-tools Almost every poker product now advertises AI. Some of it is a genuine machine-learning model, some is a precomputed lookup table with a new label, and some is a chatbot that will confidently invent a range that does not exist. This guide separates them using published research instead of product copy, so you can tell what a poker AI tool is actually doing before you pay for it. Disclosure: This guide is published by GTO Gecko, which sells poker study software including a machine-learning explanation feature discussed below. We keep general claims and product-specific claims separate, and we cite the research behind both. What Is Poker AI, Exactly? Four different technologies share the label: game-theory solvers, self-play neural agents, large language models, and machine-learning explanation layers. Only the first two produce strategy. The third talks about it, the fourth explains it, and knowing which one a product runs tells you exactly what to trust it for. Type How it works What it is genuinely good at Game-theory solver Counterfactual regret minimization and its variants, iterating toward an approximate equilibrium inside a game tree you define Producing a strategy baseline for one clearly specified spot Neural-net agent Deep networks plus search, trained largely through self-play, playing a full game rather than one node Playing entire hands well, research milestones Language model Predicts likely text from patterns in a very large training corpus Explaining concepts, summarizing, drafting notes and study plans Explanation layer Fits a supervised model to solver output, then attributes each prediction back to input features Turning a frequency into a reason you can recall at the table Products blur these categories in their marketing, and the blur is where money gets wasted. The Poker AI Milestones That Are Actually Published Five published systems cover the whole history of superhuman poker AI: Cepheus (2015), DeepStack (2017), Libratus (2017), Pluribus (2019), and ReBeL (2020). All five were research programs, not products, and none has ever been sold to players. Year System Team Published result 2015 Cepheus University of Alberta Heads-up limit hold’em declared essentially weakly solved in Science , using the CFR+ algorithm 2017 DeepStack Alberta and collaborators Defeated professional players over 44,000 hands of heads-up no-limit with statistical significance 2017 Libratus Carnegie Mellon Beat four leading pros over 120,000 hands, finishing up $1,766,250 in chips 2019 Pluribus Carnegie Mellon and Facebook AI First superhuman result in six-player no-limit hold’em 2020 ReBeL Facebook AI Research General self-play framework reaching superhuman heads-up no-limit with far less poker-specific knowledge The Libratus match ran from January 9 to 30, 2017 at Rivers Casino in Pittsburgh. Brown and Sandholm, writing in Science in 2018, described the margin as statistically significant rather than a run of luck. Pluribus is the better data point for judging modern claims about compute. Its blueprint strategy trained in eight days on 12,400 core hours, and it ran on 28 CPU cores during live play. Libratus, two years earlier, needed roughly 15 million core hours and 1,400 cores. Poker AI got dramatically cheaper, which is why consumer study tools became viable. What none of these systems did Not one was built to coach a human. They were built to win, and gave no explanations, no range charts, and no feedback. The gap between an agent that plays well and a tool that teaches you is the entire product category below. What Commercial GTO AI Tools Actually Sell You Three architectures, sometimes combined in one product: precomputed solution libraries, on-demand solving, and machine-learning layers on top. Almost everything marketed as GTO AI is serving stored solver output rather than running a neural network. All three are legitimate, and the difference decides what you can actually study. Precomputed solution libraries The vendor solves thousands of configurations in advance, stores the output, and serves the matching entry. Queries are instant because nothing is computed while you wait. The limit is coverage: if your stack depth, rake model, ante, or bet size is missing, you get the nearest neighbor rather than your spot, and the interface does not always tell you which you received. On-demand solving You define the spot and the software solves it, in the cloud or on your device. This handles configurations no library anticipated, at the cost of waiting and of understanding the inputs. Our guide to [using a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the input mistakes that quietly invalidate results, and [our roundup](https://gtogecko.com/blog/best-poker-solvers) compares tools in both camps. Machine-learning layers on top This is where the AI label is most often earned. A supervised model trained on solver output compresses, approximates, or explains it. The model does not discover strategy, it reorganizes strategy the solver already produced. Machine Learning as an Explanation Layer An explanation layer converts a solver frequency into a stated reason, by fitting a model to solver output and attributing each prediction back to its inputs. It cannot find strategy the solver did not produce. GTO Gecko’s Explain feature does this with gradient-boosted trees (XGBoost, Chen and Guestrin, 2016) and SHAP attributions (Lundberg and Lee, 2017). The practical effect is that instead of reading "raise 63%, call 37%" and moving on, you get an attribution: this hand blocks the opponent’s continuing range, the board favors the preflop aggressor, the stack-to-pot ratio rewards building the pot now. Those are the sentences you can recall three weeks later at a table. The limitation matters as much as the feature. An explanation layer explains the strategy it was trained on. If the underlying solution is wrong for your game because the rake, ante, or stack depth was misconfigured, you get a fluent, confident account of the wrong answer. Explanations do not validate inputs. You do. Can ChatGPT Help Your Poker Game? Yes for concepts, no for numbers. On PokerBench, an 11,000-scenario benchmark graded against GTO solver output, GPT-4 scored 53.55% and ChatGPT 3.5 scored 29.96% (Zhuang and colleagues, January 2025). Use a language model to explain ideas and organize notes, then check every range or frequency it produces against a solver. The full benchmark, built from 1,000 preflop and 10,000 postflop spots, ranks as follows: Model Setting PokerBench accuracy GPT-4 Off the shelf, few-shot 53.55% Llama-3 70B Off the shelf, few-shot 39.16% ChatGPT 3.5 Off the shelf, few-shot 29.96% Llama-3 8B, fine-tuned Zero-shot after fine-tuning 78.26% The strongest general-purpose model agreed with solver ground truth on barely half the scenarios. The authors concluded that state-of-the-art language models underperform at optimal poker, and that fine-tuning helps substantially. The failure mode has a specific shape. Ask a language model for a Button opening range at 40bb with antes and you get a clean, well-formatted list that looks exactly like a real range. It may include hands the solver folds and omit hands it opens, with nothing distinguishing the two. Fluency is not accuracy, and the model will not tell you when it is guessing. Task LLM suitability Why Explaining what an equilibrium or a blocker is Strong Well-covered conceptual material with many correct sources in training data Turning your session notes into a study plan Strong Structuring text you supply, not generating poker facts Rewriting a solver output into your own words Good, with the output pasted in You provide the ground truth; the model only reformulates Producing an opening or defending range Weak Precise frequencies are memorized approximations at best, invented at worst Giving exact mixed-strategy percentages Weak No underlying computation, and no calibration signal on its own confidence Evaluating a specific hand on a specific board Weak Requires solving a game tree, which the model is not doing The rule that follows is simple. Use a language model for language, and check every claim it makes about ranges or frequencies against a solver before you believe it. Our guide to [understanding poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) covers what a correct range looks like structurally, which makes invented output easier to spot. An AI-Assisted Study Workflow That Holds Up Solver first, explanation second, chatbot third, trainer last. The order matters because only step two produces ground truth, and nothing downstream can repair a wrong configuration upstream. - Pick one spot from your own play. Tag it during the session, not from memory afterward. Record format, positions, effective stack, antes, and every bet size. - Get the strategy from a solver or a solution library. This is the only step that produces ground truth. Nothing later in the workflow can fix a wrong configuration here. - Use an explanation layer to find the reason. Feature attributions tell you which variables moved the decision, so you learn a transferable principle rather than one memorized combo. - Ask a language model to compress it. Paste in the solver output and the attribution, then ask for a two-sentence rule in plain language. The model is editing your material, not sourcing new facts. - Drill it in a trainer until you can produce it cold. Reading an explanation is recognition. A [preflop trainer](https://gtogecko.com/blog/preflop-trainer-guide) or postflop trainer tests recall, which is where the learning actually happens. - Sort your errors by cost, not by count. Track EV loss so you study the expensive mistakes first. Our [EV loss leak finder guide](https://gtogecko.com/blog/poker-leak-finder-ev-loss) explains why accuracy alone hides the leaks worth fixing. Steps 2, 3, and 5 involve no language model at all. The chatbot has exactly one job here, and it is a writing job. What AI Cannot Do for Your Game Three things: exploit a specific opponent, manage the parts of poker that are not decisions, and cover spots nobody has solved. Limitation Why it exists What to do instead Exploiting the player in seat four Equilibrium is built to be unexploitable, so it also declines to attack an opponent’s mistakes Learn the baseline, then deviate deliberately ([GTO versus exploitative play](https://gtogecko.com/blog/gto-vs-exploitative)) Everything that is not a decision Bankroll discipline, session length, and quitting while behind sit outside every tool listed here Treat the mental game as separate work; perfect solver knowledge plus no tilt control still loses Spots nobody solved Libraries get built where demand justifies the compute. Full heads-up postflop GTO content is thin across the category, GTO Gecko included Ask a vendor what is missing before subscribing, and treat a vague answer as an answer Is Using AI for Poker Allowed? For off-table study, yes. During play, no, and the penalties include permanent bans and confiscated funds. GGPoker’s published security policy defines real-time assistance as "any external assistance which provides users with an unfair advantage over their opponents, influences their decision making in real-time," covering "software, apps, websites, physical and digital reference materials." Its bot definition names "artificial intelligence" directly, and its prohibited tools list covers RTA, bots, solvers, charts, and HUDs. The practical line: a solver, a trainer, a chatbot, and an explanation model are all study tools when the poker client is closed, and all of them become prohibited assistance when a decision is pending. Some policies apply whenever the client is open, not only while the action is on you. Read [our guide to solver and RTA rules](https://gtogecko.com/blog/are-poker-solvers-allowed-rta), then check the current terms for every room you play. Frequently Asked Questions Can AI beat professional poker players? Yes, in published research settings. Libratus beat four leading professionals over 120,000 hands of heads-up no-limit in 2017, and Pluribus reached superhuman performance in six-player no-limit in 2019. Those were research agents built to play, not products you can buy. No commercial study tool is one of them. Is ChatGPT good for poker strategy? It is useful for explaining concepts and organizing your study notes, and unreliable for anything numeric. On the PokerBench benchmark of 11,000 solver-graded scenarios, GPT-4 scored 53.55% and ChatGPT 3.5 scored 29.96%. Treat any range or frequency it produces as unverified until you check it against a solver. What is the difference between a GTO solver and poker AI? A solver computes an approximate equilibrium for one spot you define, usually with a regret-minimization algorithm. Poker AI is a broader label covering solvers, self-play neural agents, and language models. Most products advertising AI are serving precomputed solver output. Our [solver versus trainer guide](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) covers which you need. Are AI poker tools allowed by poker sites? For off-table study, generally yes. During play, no. GGPoker’s policy explicitly lists artificial intelligence, solvers, charts, and HUDs among prohibited tools, with permanent bans and fund confiscation as penalties. Close the poker client before you open study software, and verify the current rules for your room. Can AI explain why a solver play is correct? Increasingly, yes. Feature-attribution methods such as SHAP assign each input a measured contribution to a single prediction, which converts a raw frequency into a stated reason. GTO Gecko’s Explain feature uses this approach. The caveat is that the explanation describes the solution it was trained on, so a misconfigured spot produces a confident wrong explanation. Will AI make poker unbeatable for humans? It has not so far. Superhuman agents have existed since 2017 and human games continue, because the agents are research systems and using one during play is prohibited and detectable. What changed is study: equilibrium baselines that once cost millions of core hours now cost a subscription, so the skill gap increasingly reflects who studies well. Use AI for the Job It Actually Does Solvers give you the answer, explanation models give you the reason, language models help you write it down, and a trainer is what turns any of it into a decision you can make in four seconds. Pick one spot from your last session and run it through that order. When you are ready to drill, [open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type) and start with a single configuration, on the web or in the native apps on the [App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Sources - [Bowling, Burch, Johanson and Tammelin (2015), “Heads-up limit hold’em poker is solved” (Science)](https://www.science.org/doi/10.1126/science.1259433) - [Moravčík et al. (2017), “DeepStack: Expert-level artificial intelligence in heads-up no-limit poker” (PubMed)](https://pubmed.ncbi.nlm.nih.gov/28254783/) - [Brown and Sandholm (2018), “Superhuman AI for heads-up no-limit poker: Libratus beats top professionals” (Science)](https://www.science.org/doi/10.1126/science.aao1733) - [Carnegie Mellon University news release on the Libratus Brains vs AI match](https://www.cs.cmu.edu/news/2017/carnegie-mellon-artificial-intelligence-beats-top-poker-pros) - [Brown and Sandholm (2019), “Superhuman AI for multiplayer poker” (Science)](https://www.science.org/doi/10.1126/science.aay2400) - [Carnegie Mellon University news release on Pluribus](https://www.cs.cmu.edu/news/2019/carnegie-mellon-and-facebook-ai-beats-professionals-six-player-poker) - [Brown, Bakhtin, Lerer and Gong (2020), “Combining Deep Reinforcement Learning and Search for Imperfect-Information Games” (ReBeL) (arXiv)](https://arxiv.org/abs/2007.13544) - [Zhuang et al. (2025), “PokerBench: Training Large Language Models to become Professional Poker Players” (arXiv)](https://arxiv.org/abs/2501.08328) - [Lundberg and Lee (2017), “A Unified Approach to Interpreting Model Predictions” (SHAP) (arXiv)](https://arxiv.org/abs/1705.07874) - [Chen and Guestrin (2016), “XGBoost: A Scalable Tree Boosting System” (arXiv)](https://arxiv.org/abs/1603.02754) - [GGPoker Security and Ecology Policy](https://ggpoker.com/network/security-ecology-policy/) - [GTO Gecko official product page](https://gtogecko.com/) ### Best PLO Trainer Apps and Sites (2026) https://gtogecko.com/blog/best-plo-trainer-apps Choosing a PLO trainer is harder than choosing a Hold'em one, because the Omaha tools differ enormously in what they contain. Some ship a full postflop library, some are preflop only, and some are desktop solvers that make you build every tree yourself. Prices run from free to $399 a month. Disclosure: This roundup is published by GTO Gecko, which makes PLO Gecko (formerly PLO Edge). PLO Gecko is included below and labeled. Every price and feature here was read off the vendor's own page on August 3, 2026, and these change often, so verify before you subscribe. Which PLO Trainer Should You Buy? The answer depends on one thing more than any other: which Omaha variant you play. Ranked by the situation most readers are in: - 4-card postflop study: GTO Wizard PLO or PLO Mastermind. Both carry complete postflop libraries, and both are the expensive end of this list. - 5-card play: PLO Gecko (ours), Vision GTO Trainer, Range Converter, or PLO Genius. For 6-card, Vision, Range Converter, and PLO Genius are the options. - Reps on a phone: PLO Gecko (ours) or PLO+. Neither sells a desktop-style postflop library, which is why they cost a fraction of the platforms above. - Building sims nobody else has: MonkerSolver, at a one-time EUR 499 license. Before comparing feature lists, answer these four questions about your own game. - Postflop or preflop? Postflop libraries are the expensive part. If you cannot yet name your button opening range at 100bb, you are paying for solutions you will not open. - Browse or be tested? A range viewer answers questions. A trainer asks them. They are not the same product. - Which device? Desktop solvers need a machine and setup time. Browser platforms and phone apps trade custom solving for ten-minute study blocks. PLO Trainer Comparison (August 2026) Eight tools, compared on the four things that decide the purchase: platform, which Omaha variants they solve, whether postflop is included, and what they charge. Tool Platform Variants Postflop Pricing model PLO Gecko (ours) iOS, Android 4-card, 5-card Training in solver-built pots; native river solving in PLO5 full-hand drills Monthly or yearly subscription PLO Mastermind Browser 4-card, 5-card Full library plus in-browser turn and river solving $199 to $399 per month depending on tier GTO Wizard PLO Browser 4-card only Full library, custom solving on the top tier Free, Premium, and Elite tiers Vision GTO Trainer Browser 4-card, 5-card, 6-card Precomputed flop, turn and river $199.99 to $329.99 per month by variant Range Converter Browser 4-card, 5-card, 6-card Postflop on the Pro tier Two paid tiers plus a limited free plan PLO Genius Browser 4-card, 5-card, 6-card Flop, turn, river plus on-demand solving Free, $59/mo, $125/mo MonkerSolver Windows, macOS Omaha and Hold'em You solve it yourself One-time license, EUR 499 PLO+ iOS 4-card Preflop focused Free download, subscription IAP PLO Gecko (formerly PLO Edge) A phone-first Omaha trainer with scoring attached, and our own app, so treat this section as a description rather than a review. [PLO Gecko](https://gtogecko.com/plo-edge) runs on iOS and Android and covers both 4-card and 5-card PLO, switchable in one tap with progress tracked separately per variant. It ships 31 structured training modules across RFI, facing opens, 3-bet pots, 4-bet pots, squeezes, blind defense, and short-stack play, 14 of them dedicated PLO5 preflop modules, with PLO5 preflop ranges solved at 100bb. Feedback is per decision: every choice is scored against solver-based GTO frequencies and EV, with move quality graded from perfect to blunder, an ELO rating with more than 30 ranks, and hand filters by suitedness class from rainbow through monotone. Postflop, it trains flop, turn, and river decisions in solver-built single-raised pots, and PLO5 full-hand drills run from flop to river with native river solving on iPhone and iPad. It does not build custom postflop trees the way desktop solvers do, and we do not claim that. Premium sells as a monthly or yearly subscription, and the app holds 4.5 stars on the US App Store as of August 2026. Get it on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). Our [full PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) walks through the modules in detail. PLO Mastermind The deepest dedicated Omaha platform on this list, and the most expensive. Its [pricing page](https://plomastermind.com/pricing/) lists more than 1 million 4-card solutions covering cash, MTT, ICM, live 8-max and heads-up, plus more than 100,000 5-card solutions. The trainer includes preflop and flop matrix views, flop and turn aggregated reports, flop-to-river training, a postflop equity graph, range import and export, and browser-based turn and river solving. It also imports MonkerSolver files, which matters if you already own sims. As of August 3, 2026 the 4-card PLO Trainer is listed at $199 per month, or $149 per month billed yearly (a single payment of $1,790). The PLO Mastermind System adds a 30-day study plan and 250-plus coaching videos with two new ones weekly at $249 per month. A combined 4-card and 5-card trainer is $299 per month, and the full combined system with 500-plus videos is $399 per month. A professional's tool at a professional's price. If a month costs less than one buy-in at your stake, the depth is real. Below that, the video library is doing more for you than the solution count. We priced the whole field against it in our [PLO Mastermind alternatives roundup](https://gtogecko.com/blog/plo-mastermind-alternatives). GTO Wizard PLO The strongest 4-card postflop library here, and no help at all if you play 5-card. GTO Wizard added a standalone Omaha product in 2026 and has iterated on it quickly. Its [PLO page](https://gtowizard.com/plo/) describes complete postflop coverage across every flop, turn, and river, with cash solutions at 6-max and 7-max for 50bb and 100bb, and MTT chip EV solutions from 10bb to 100bb with antes. PokerNews reported a [major update on July 28, 2026](https://www.pokernews.com/news/2026/07/gto-wizard-launches-major-updates-to-its-plo-solver-52006.htm) that added fully customizable heads-up solving from preflop to river, nodelocking so you can model and exploit specific opponent mistakes, and postflop ICM with configurable prizes, stacks, and bounties. The important limitation for many readers is variant coverage. Their own FAQ states the product covers 4-card PLO for cash and tournaments, and that "PLO5 and PLO6 are in development with no ETA at this time." Plans are split into Free, Premium, and Elite, with custom solving reserved for Elite. Prices move with promotions, so see our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) and their current checkout rather than any figure quoted in an article. Vision GTO Trainer (Run It Once) Vision is the longest-running dedicated PLO study tool here and the only one on this list with plans for all three Omaha variants. Run It Once's [Vision page](https://www.runitonce.com/vision/) and FAQ state it runs entirely in the browser with no solver or powerful PC required, and that all solutions were generated in MonkerSolver. Coverage is specific and published: more than 30,000 boards for 4-card plans and more than 10,500 for 5-card plans, with 5-card spots at 100bb (6-max and heads-up) and 50bb (6-max). Four preflop rake levels run from below PL100 up to above PL600, and postflop rake is modeled on PokerStars 500 Zoom at 5 percent with a 1200msb cap. Two features stand out. Vision includes exploitative solutions for 4-card 6-max against three player profiles (Maniac, Nit, and Whale), and Custom mode lets you upload your own MonkerSolver sims and study them in Vision's interface. The 6-card plan adds a hand history uploader that grades your preflop decisions and sends you back to those exact spots. Listed monthly pricing on August 3, 2026 was $199.99 for 4-card, $249.99 for the 5-card plan (which includes 6-card), and $329.99 for the combined 4, 5 and 6-card plan, with a stated 10 percent saving on quarterly billing and 25 percent on yearly. Range Converter The cheapest route to 5-card and 6-card solutions if you also study other formats. Range Converter is a general GTO platform rather than an Omaha specialist, and its [pricing page](https://rangeconverter.com/pricing) shows both paid tiers including Cash, MTT, Shortdeck, PLO, PLO5, PLO6, and Spins. The Reg tier includes the GTO trainer and the preflop range viewer. Pro adds full postflop strategy in the range viewer, a strategy-react view, and aggregated reports. A free plan covers the range viewer for 15bb heads-up ranges plus a trainer demo. Listed prices were running a promotional discount when we checked on August 3, 2026 (Reg at $29 per month and Pro at $99 per month billed monthly), so read the page rather than this paragraph. PLO Genius A cloud PLO solver and trainer covering [4-card, 5-card, and 6-card Omaha](https://plogenius.com/). It combines a precomputed preflop library across stack sizes, positions, and rake structures with a postflop solver for flop, turn, and river, plus on-demand custom solves, aggregated reports, and the ability to import your own MonkerSolver simulations. It is browser only, and their site says mobile support is in development but not yet available. Plans on August 3, 2026 were a free Starter tier with limited preflop calculations, Edge at $59 per month or $708 per year, and PRO at $125 per month or $1,500 per year, with PLO6, on-demand solving, and imports gated to PRO. That is on-demand solving at roughly half the monthly cost of the specialist platforms, with a smaller coaching ecosystem around it. MonkerSolver Not a trainer at all, and worth understanding because so much of this list runs on it. [MonkerSolver](https://monkerware.com/solver.html) is desktop software that solves Hold'em and Omaha from any street with any number of players, using a fully customizable betting tree. The full version is a one-time EUR 499 license, with a free version limited to turn and river. It needs Windows 64-bit or macOS with at least 8 GB of RAM, and the size of trees you can solve scales with the RAM you have while solve time scales with CPU speed. Buy it if you want solutions nobody else has and will spend hours on tree construction. Everyone else is better served by a platform that already ran the sims, which is what Run It Once, PLO Mastermind, and PLO Genius each describe doing. PLO+ (Crafty Wheel Studios) A lighter iOS option focused on preflop, free to download with subscription in-app purchases. The [App Store listing](https://apps.apple.com/us/app/plo-pot-limit-omaha-trainer/id6744236466) describes solved preflop strategies for cash at 30bb, 50bb, and 100bb across major sites with different rake structures, plus tournament chip EV ranges at multiple depths. It includes hand lookup for any 4-card holding, interactive training with feedback, a leaderboard, and a coach mode for sharing custom sims with a stable. It carries a 4.6 out of 5 rating from 39 ratings at version 3.5.4, and the listing does not mention PLO5. Which PLO Trainer Is Right for You? Match the tool to your situation rather than to its feature count. Six common cases: If you are Start with Why A Hold'em player learning Omaha preflop PLO Gecko or PLO+ Phone-sized reps with scoring, no desktop-style library to pay for yet A serious 4-card cash grinder GTO Wizard PLO or PLO Mastermind Complete postflop coverage and, on the top tiers, custom solving A 5-card or 6-card player PLO Gecko (5-card), Vision, Range Converter, or PLO Genius All four cover PLO5; Vision, Range Converter, and PLO Genius add PLO6 Studying several formats, not only Omaha Range Converter One subscription spans cash, MTT, Spins, shortdeck, and all three Omaha variants A coach or content creator MonkerSolver plus a viewer Custom trees nobody else has published, at a one-time cost Budget-conscious and preflop-focused A free tier plus one paid app Most platforms publish limited free access; test the workflow before paying What Should You Check Before Subscribing? Check the rake model, the stack depths, and the variant before anything else. Those three decide whether the solutions apply to your game at all, and all three are usually buried in an FAQ rather than on the sales page. - Rake model. An Omaha range solved at PL2000 rake is wrong for your PL50 game, especially from the blinds. - Stack depths. Confirm the depths you actually play are in the library, not just 100bb. - Variant. Read the FAQ, not the homepage. Several 4-card platforms describe PLO5 as "in development". - Trainer versus viewer. If the product only shows you solutions, you will read without testing recall, which is the slowest way to learn a range. - Renewal terms. Several tools on this list bill yearly up front. Check what happens if you stop playing Omaha in March. - Off-table use only. Every product here is a study tool. Read our guide to [solver and RTA policies](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) before you open anything during a session. Frequently Asked Questions What is the best PLO trainer in 2026? It depends on your variant. GTO Wizard PLO and PLO Mastermind carry the deepest 4-card postflop libraries. Vision, Range Converter, PLO Genius, and PLO Gecko all cover 5-card. PLO Gecko and PLO+ are the phone-based choices, and PLO Gecko trains both PLO4 and PLO5. Is there a free PLO trainer? Several platforms publish limited free access. GTO Wizard PLO lists a free tier with one postflop spot per day, Range Converter offers a free range viewer for 15bb heads-up ranges with a trainer demo, PLO Genius has a free Starter tier, and MonkerSolver ships a free version limited to turn and river. Free tiers are enough to test a workflow, not to build a full study routine. Do I need a PLO solver or is a trainer enough? A trainer is enough for almost everyone. A solver is worth owning when you need a spot nobody has published, or when you want to nodelock a specific opponent profile. Our [solver versus trainer comparison](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) covers where each one earns its cost. Which PLO trainers support PLO5? As of August 2026, Vision GTO Trainer, Range Converter, PLO Genius, and PLO Mastermind all publish 5-card solutions in the browser, and PLO Gecko (ours) trains PLO5 on iOS and Android with 14 dedicated preflop modules and native river solving in its PLO5 full-hand drills. GTO Wizard's own FAQ lists PLO5 and PLO6 as in development with no timeline. Our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers what actually changes in the five-card game. Why is PLO software more expensive than Hold'em software? Omaha has 270,725 four-card starting combinations against 1,326 in Hold'em, so each solve is dramatically more expensive in compute and storage. That cost shows up in subscription prices, and it is why usable Omaha postflop libraries arrived years after Hold'em ones. Can I use these on a phone? PLO Gecko and PLO+ are native mobile apps. Vision, GTO Wizard, Range Converter, and PLO Mastermind run in a browser and describe mobile-friendly views. PLO Genius states mobile support is in development. MonkerSolver is desktop only. Start With the Spot You Play Most The best PLO trainer is the one you open on a Tuesday night. Pick the cheapest tool covering your variant and stack depth, drill one position until the range is automatic, and only pay for a postflop library once preflop is no longer the thing costing you money. For Omaha reps with EV-loss feedback on a phone, in both PLO4 and PLO5, [PLO Gecko](https://gtogecko.com/plo-edge) is our app. If you are still deciding whether PLO is your game, start with our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide). Sources - [PLO Gecko (formerly PLO Edge) product page (GTO Gecko)](https://gtogecko.com/plo-edge) - [PLO Gecko: Omaha Poker Trainer on the Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Mastermind pricing and plan contents](https://plomastermind.com/pricing/) - [GTO Wizard PLO product page and FAQ](https://gtowizard.com/plo/) - ["GTO Wizard Launches Major Updates to its PLO Solver", PokerNews, July 28, 2026](https://www.pokernews.com/news/2026/07/gto-wizard-launches-major-updates-to-its-plo-solver-52006.htm) - [Vision GTO Trainer plans and FAQ (Run It Once)](https://www.runitonce.com/vision/) - [Range Converter pricing and format coverage](https://rangeconverter.com/pricing) - [PLO Genius features and plans](https://plogenius.com/) - [MonkerSolver license, requirements and capabilities](https://monkerware.com/solver.html) - [PLO+: Pot Limit Omaha Trainer on the Apple App Store](https://apps.apple.com/us/app/plo-pot-limit-omaha-trainer/id6744236466) ### GTO Preflop Strategy: Ranges, Sizes, and the Rules That Matter https://gtogecko.com/blog/gto-preflop-strategy GTO preflop strategy is the set of mathematically balanced ranges a solver plays before the flop: which hands to raise, call, 3-bet, or fold from every position, at every stack depth. It is the most reliable part of poker theory to learn, because preflop spots repeat exactly. You will never see the same river situation twice, but you will face the same Button open thousands of times. This guide covers what GTO preflop actually means, the principles behind solved ranges, how ranges shift across cash games, tournaments, and Spins, and a study routine for turning charts into instant decisions. What Does GTO Preflop Mean? GTO stands for game theory optimal: a strategy so balanced that no opponent can gain by deviating against it. The idea comes from [John Nash's 1950 equilibrium work](https://www.pnas.org/doi/10.1073/pnas.36.1.48), and it became concrete for poker when researchers at the University of Alberta [essentially solved heads-up limit hold'em in 2015](https://www.science.org/doi/10.1126/science.1259433), published in Science. Full no-limit hold'em remains too large to solve exactly, so modern tools compute close approximations of equilibrium play. Preflop is where those approximations are strongest. The decision tree before the flop is small enough that solvers map it thoroughly: every position, every common raise size, every standard stack depth. When players talk about GTO preflop ranges , they mean these solver outputs, usually displayed as a 13x13 grid of starting hands. If ranges are new to you, start with our guide to [how poker ranges work](https://gtogecko.com/blog/understanding-ranges-in-poker). Why Start Your GTO Study Preflop? Because every single hand includes a preflop decision, and later streets appear less and less often. A mistake in your opening ranges repeats hundreds of times per session, and it also poisons everything downstream: if you arrive at the flop with the wrong range, no postflop skill fully repairs the damage. Preflop is also the only street where near-perfect play is realistic. Postflop trees are enormous, but preflop charts can genuinely be learned. That is why coaches almost universally tell students to fix preflop first, then spend the rest of their study time on [postflop work](https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide). The Core Principles Behind Solved Preflop Ranges 1. Position sets your range width The single biggest factor in a GTO opening range is how many players are left to act. In a standard 100bb 6-max cash game, solver-approved raise-first-in ranges widen from roughly 18% of hands under the gun to 43% on the Button: Position Approx. RFI range Typical open size UTG ~18% of hands ~2x Hijack ~22% of hands ~2x Cutoff ~28% of hands ~2.5x Button ~43% of hands ~3x Small Blind ~40-48% (raises plus limps) ~3x The full hand-by-hand grids, with the reasoning for each position, are in our [GTO preflop charts guide](https://gtogecko.com/blog/preflop-charts-opening-ranges). Position advantage does not stop at the open: it also decides how often you can call, 3-bet, and outplay opponents later. Our [position strategy guide](https://gtogecko.com/blog/poker-position-strategy) covers that side of it. 2. Raise or fold, with narrow exceptions Solvers almost never open-limp from any position except the Small Blind. Entering the pot with a raise builds the pot when you have the range advantage, takes initiative, and gives you two ways to win the hand. The Small Blind is the exception because you already have money invested and act first on every later street. In many tournament and Spin configurations, solvers mix Small Blind raises with a real limping range, and at short stacks limping can even dominate. 3. Suitedness matters far more than it looks Being suited adds only about 3-4% of raw equity, but it transforms playability: flush potential turns marginal hands into profitable opens. That is why A5s appears in every opening range while A8o folds from early position. Understanding this gap between raw equity and realized equity is central to reading charts correctly; our [equity guide](https://gtogecko.com/blog/poker-equity-explained) breaks it down. 4. 3-bets are linear in some seats, polarized in others When you are in position against a late open, solvers 3-bet a linear range (the best hands, top down). From the blinds, 3-bet ranges polarize: premium hands for value, plus suited wheel aces and similar hands that block continues and play fine when called. The logic, with ranges, lives in our guide to [3-betting](https://gtogecko.com/blog/what-is-a-3-bet). 5. Stack depth rewrites the ranges A 100bb chart is wrong at 30bb, and badly wrong at 15bb. As stacks shorten, implied odds collapse, suited connectors lose value, and high-card strength gains. Below roughly 15bb, whole positions convert to push-or-fold play. If you play tournaments, the [short stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) is required reading alongside any preflop chart. How Do GTO Preflop Ranges Change by Format? The same six seats play noticeably different preflop poker across formats. Using one chart everywhere is one of the most common leaks solvers expose. Format Typical depth What changes preflop Cash (6-max) 100bb Rake punishes marginal calls, especially from the Big Blind. Defense tightens at raked stakes. MTT 15-60bb Antes add dead money and widen opens and defends. ICM pressure tightens calls near pay jumps. Spin & Go 25bb start, 3-max Shallow 3-handed play: wide opens, aggressive blind battles, early push-fold territory. Tournament players should pair preflop charts with [ICM strategy](https://gtogecko.com/blog/icm-poker-strategy), since chip-EV ranges stop being correct once pay jumps matter. Spin players get a dedicated game plan in our [Spin & Go guide](https://gtogecko.com/blog/spin-and-go-strategy). Which Preflop Mistakes Cost the Most? - Open-limping outside the Small Blind: It caps your range, invites multiway pots with no initiative, and appears in almost no solver output. - Cold-calling too much out of position: Solvers mostly 3-bet or fold from the blinds against late opens. Wide flat calls out of position bleed EV all session. - Over-folding the Big Blind: Against a Small Blind min-raise you should defend around 65-70% of hands, and around 45-50% against a Button open. Most players fold far more, giving up pot odds they already paid for. - One chart for every format: A 100bb no-ante cash range is not an MTT ante range and not a 25bb Spin range. - Copying charts without sizes: A range built for a 2.5x open does not answer a 3.5x open. Facing bigger sizes, continue tighter. If you want to see what your own preflop errors cost in big blinds, an EV-loss report does exactly that; see our [leak finder guide](https://gtogecko.com/blog/poker-leak-finder-ev-loss). How to Learn GTO Preflop Ranges (Without Endless Memorizing) Disclosure: GTO Gecko builds the trainer mentioned below. The study method itself works with any tools. Reading charts is recognition. Playing well is recall. The bridge between them is a short, repeatable loop: - Browse: Open the range for one specific spot (for example, Cutoff RFI at 100bb) and study its shape. Note the boundaries: the worst suited king, the offsuit aces that drop out. - Explain: Say out loud why three borderline hands are in or out. Rules you can state survive; colors you memorized fade. - Drill: Hide the chart and answer dealt hands with feedback. The [GTO Gecko preflop trainer](https://play.gtogecko.com/login?from=/welcome/game-type) deals you spot after spot, shows the solver's action frequencies, and tracks EV lost per mistake. A free account includes range browsing and a daily trainer allowance (access limits can change; check the [current product page](https://gtogecko.com/)). - Review: Group your errors by position and hand family, then re-study only the boundary that failed. Work one position pair at a time and keep sessions short. The full method, including what good trainer feedback looks like, is in the [preflop trainer guide](https://gtogecko.com/blog/preflop-trainer-guide). Frequently Asked Questions Is GTO preflop the same for cash games and tournaments? No. Cash ranges assume 100bb, rake, and no antes. Tournament ranges shift with antes (wider), shorter stacks (more high-card hands, fewer speculative suited hands), and ICM pressure (tighter calls when pay jumps matter). Always match the chart's format, stack depth, and ante structure to the game you are actually playing. For the exact ante and rake assumptions behind every GTO Gecko range, see [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). Should you ever limp preflop? From the Small Blind, yes: solvers mix raises and limps there in many configurations, especially in tournaments and Spins at shorter stacks. From every other position, solver output is overwhelmingly raise-or-fold. Open-limping elsewhere caps your range and forfeits the initiative that makes wide opens profitable in the first place. Do I need to memorize exact mixed frequencies? No. Learn pure actions and stable range boundaries first. When a solver plays a hand 60% raise and 40% fold, the practical lesson is that the hand is close, and either action is fine. Exact frequency matching matters against elite opposition, not in the games most people play. Can GTO preflop play be exploited? By definition, a true equilibrium strategy cannot be exploited, only matched. In practice you play an approximation, and opponents are not exploiting your preflop ranges nearly as much as they are punishing obvious errors like over-folding blinds or limping weak hands. GTO ranges are also the correct baseline to deviate from; see [GTO vs exploitative play](https://gtogecko.com/blog/gto-vs-exploitative). How long does it take to learn GTO preflop? Most players can lock down raise-first-in ranges for one format in a few weeks of short daily drills, because the material is finite: six positions, one decision type. Defense ranges, 3-bet pots, and multiple stack depths take longer. Fifteen focused minutes per day beats occasional marathon sessions. Fix Preflop First Every hand you ever play starts preflop, and it is the one street you can play close to perfectly. Pick one format, learn the open ranges position by position, drill them until recall is instant, then move to defense and 3-bet pots. When you are ready to practice, [open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type) and start with a single position. The same account works in the native apps on the [App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), so the drills travel with you. Sources - [Bowling et al. (2015), "Heads-up limit hold'em poker is solved", Science](https://www.science.org/doi/10.1126/science.1259433) - [Nash (1950), "Equilibrium points in n-person games", PNAS](https://www.pnas.org/doi/10.1073/pnas.36.1.48) - [GTO Gecko: Poker Wizard, Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko: Poker Wizard, Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [GTO Gecko official product page](https://gtogecko.com/) ### GTO Wizard Free: What the Free Plan Actually Includes in 2026 https://gtogecko.com/blog/gto-wizard-free Yes, GTO Wizard has a free plan , and it is genuinely useful within narrow limits. As of August 2026 it lets you browse up to 100 preflop solutions per day, open 1 postflop spot per day, practice 10 trainer hands per day, and analyze 5 played hands per month. That is enough to look up preflop ranges and sample the product. It is not enough to run a real study routine. Disclosure: this article is published by GTO Gecko, which makes a competing GTO training app. The GTO Wizard numbers below come from GTO Wizard's own help center and pricing announcements, linked in the sources, so you can verify everything. What Does the GTO Wizard Free Plan Include? According to [GTO Wizard's help center](https://help.gtowizard.com/subscription/) and its [March 2026 pricing announcement](https://blog.gtowizard.com/single-size-solutions-are-live-new-pricing-50x-more-solutions/), the free tier includes: Feature Free plan limit (Aug 2026) Preflop solution browsing Up to 100 solutions per day Postflop solutions 1 spot per day Practice (trainer) hands 10 hands per day Hand history analyzer 5 hands per month Custom solving, nodelocking Not included Limits change over time, so treat GTO Wizard's own pages as the source of truth. The structure has stayed consistent for a while: generous preflop browsing, a taste of postflop, and small trainer and analyzer allowances. What Can You Realistically Do With It? The free plan works well as a preflop reference. 100 preflop lookups per day covers a full study session of checking opening ranges, 3-bet responses, and blind defense. If that is all you need, the free plan may be all you ever use, and our [free preflop charts](https://gtogecko.com/blog/preflop-charts-opening-ranges) cover the same ground without an account. The walls appear the moment you try to build skill rather than look things up: - 10 trainer hands per day is warm-up volume. Meaningful drilling runs is 50 to 200 hands per session. At 10 hands, you sample the feature rather than train with it. - 1 postflop spot per day makes postflop study impossible. Understanding a single flop texture takes comparing dozens of related spots. - 5 analyzed hands per month will not find your leaks. Leak detection is a volume exercise; see our [EV-loss guide](https://gtogecko.com/blog/poker-leak-finder-ev-loss) for why. None of this is a criticism of GTO Wizard. Free tiers exist to demonstrate value, and this one does. The question is what to do when you hit the limits. When You Outgrow Free: The Honest Options As of August 2026 you have three realistic paths, and the right one depends on budget and format: Path Cost Best for Stay free, combine tools $0 Casual players who mainly need preflop references GTO Gecko $24.99/mo one format, $39.99/mo all formats Unlimited drilling and browsing on a budget, mobile-first study GTO Wizard Starter and up From $49/mo ($39/mo billed annually) Players committed to the GTO Wizard ecosystem and its coaching content The free-tools path is more workable than most people expect. We keep an updated list of [genuinely free GTO resources](https://gtogecko.com/blog/free-gto-resources), and GTO Gecko's own free account, on the web or through the apps on the [App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), includes preflop range browsing and a daily trainer allowance (access limits can change; check the [current product page](https://gtogecko.com/)). If you are comparing the two paid products directly, our [GTO Gecko vs GTO Wizard comparison](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard) covers features, and the [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing) breaks down every tier. The one-sentence version: GTO Wizard goes deeper (nodelocking, custom solving, coaching), GTO Gecko costs less and includes unlimited training volume, all formats, and 3-way postflop solutions at $39.99. For more alternatives at every price point, see the [full alternatives roundup](https://gtogecko.com/blog/gto-wizard-alternatives). A Free-Only GTO Study Workflow If you want to stay at $0 for now, this weekly loop uses each free allowance where it is strongest: - Preflop reference (daily): Use GTO Wizard's 100 daily preflop lookups or free chart sites to check every range question from your sessions. - Drilling (daily): Stack free trainer allowances. GTO Wizard gives 10 hands per day, GTO Gecko's free account adds its own daily allowance, and both reset every day. - Postflop concept (weekly): Spend the single daily postflop spot deliberately: pick one flop class per week (for example, low paired boards) and look at the same spot each day from a different angle. - Review (weekly): Mark the hands you were unsure about while playing, then spend your analyzer credits on the biggest pots only. This gets a motivated beginner surprisingly far. Its ceiling is volume: when you can answer every lookup but still misplay hands under pressure, you have outgrown free tiers, and it is time to pay for unlimited reps somewhere. "Great app, even the free version already helps a lot. I plan on getting the full version soon." GTO Gecko review on Google Play, July 2025, translated from Portuguese Frequently Asked Questions Is GTO Wizard free? GTO Wizard offers a permanent free plan. As of August 2026 it includes up to 100 preflop solution lookups per day, 1 postflop spot per day, 10 practice hands per day, and 5 analyzed hands per month, per GTO Wizard's help center. Paid plans start at $49 per month for Starter, or about $39 per month on annual billing, as of August 2026. Is the GTO Wizard trainer free? Partially. The free plan includes 10 practice hands per day in the trainer. That is enough to try the feature, not enough for real drilling volume. Unlimited training requires a paid tier, or a lower-cost alternative with unlimited reps. Can you learn GTO poker without paying anything? You can learn the concepts and solid preflop play entirely free by combining free tiers and free charts. What free plans cannot give you is drilling volume and postflop depth, which is where paid tools earn their money. Our [free GTO resources list](https://gtogecko.com/blog/free-gto-resources) maps what is genuinely available. What is the cheapest way to get unlimited GTO training? As of August 2026, GTO Gecko is the cheapest mainstream option with unlimited trainer hands and range browsing: $24.99 per month for one format or $39.99 per month for Cash, MTT, and Spin & Go together, on web, iOS, Android, and macOS. Yearly billing lowers it further. Does GTO Wizard's free plan include PLO? GTO Wizard's free browsing applies to its solution library access, and its 2026 lineup consolidated formats into Cash and Tournament hold'em tracks, with PLO handled separately in its product. If Omaha is your game, check current PLO coverage on their site directly, or see our [PLO trainer roundup](https://gtogecko.com/blog/best-plo-trainer-apps) for dedicated options. Use Free Tiers Until They Stop Teaching You Free plans are real tools, not tricks. Browse ranges, spend your daily trainer hands, and pay nothing while lookups still fix your mistakes. When volume becomes the bottleneck, choose the paid tool that matches your budget and formats. You can [try GTO Gecko's trainer](https://play.gtogecko.com/login?from=/welcome/game-type) today with a free account and see how far the daily allowance takes you. Sources - [GTO Wizard Help Center, Subscription page](https://help.gtowizard.com/subscription/) - [GTO Wizard blog, "Single Size Solutions Are Live. New Pricing." (March 2026)](https://blog.gtowizard.com/single-size-solutions-are-live-new-pricing-50x-more-solutions/) - [GTO Gecko: Poker Wizard, Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko: Poker Wizard, Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [GTO Gecko official product page](https://gtogecko.com/) ### How to Learn PLO: A Five-Stage Path From Hold’em to Omaha https://gtogecko.com/blog/how-to-learn-plo The fastest way to learn PLO is in stages: rules first, then starting-hand discipline, then preflop ranges by position, then postflop nut awareness, and only then the 5-card version. A Hold’em player studying 3 to 5 hours per week can play solid low-stakes Omaha in about six months. This guide covers each stage with realistic timelines, the costliest beginner mistakes, and a free-tool route for the whole path. Disclosure: This guide is published by GTO Gecko, which makes the PLO Gecko trainer discussed below. We use our own products as examples and credit other tools where they fit better. Why Learn PLO in Stages? Because PLO punishes skipped steps. The game looks like Hold’em with two extra cards, so most players carry their Hold’em instincts straight over. Those instincts are exactly what lose money: in Omaha, equities run much closer, one pair is rarely worth a stack, and the second-best flush is a disaster rather than a cooler. The good news for anyone starting out with PLO for beginners material: your Hold’em fundamentals transfer well. Position, pot odds, and aggression still matter. What has to be rebuilt is your sense of hand value, and the five stages below rebuild it in order. Stage Focus Realistic timeline You are done when 1 Rules and the two-card rule Days 1 to 7 You never misread a board 2 Starting-hand discipline Weeks 2 to 4 You fold 70% of hands without feeling deprived 3 Preflop ranges by position Months 2 to 3 You can name your opening range from every seat 4 Nut awareness and pot-limit sizing Months 3 to 6 You draw to the nuts and size pots on purpose 5 PLO5 expansion Month 6 and beyond You switch between 4-card and 5-card without leaking The timelines assume 3 to 5 focused hours per week. Put in more hours and the stages compress; skip ahead and the leaks wait for you at bigger stakes. Stage 1: Learn the Rules and the Two-Card Rule (Days 1 to 7) PLO deals you four hole cards, and you must use exactly two of them with exactly three community cards. Not one, not three. Exactly two. This single rule generates almost every beginner disaster, so drill it until reading a board is automatic. The classic misread The board runs out K ♠ 9 ♠ 6 ♠ 2 ♠ Q ♥ and you hold A ♠ A ♦ J ♣ T ♣ . In Hold’em this is the nut flush. In PLO you have one pair of aces, because a flush needs two spades from your own hand and you hold only one. Nearly every new player pays for this lesson at the table at least once. Learn it here for free instead. Paired boards create a different selection problem: two pair, a full house or quads on the table may not be your hand. Work through our [eight paired-board PLO examples](https://gtogecko.com/blog/plo-paired-board-hands) and identify the exact two hole cards and three board cards used in each answer. The rule has quieter consequences too. Four cards of one suit hurt you, since you can only use two and the rest block your own flush outs. Spend your first week dealing out hands and reading boards until none of this requires thought. The free route for this stage: [PLO Gecko on the App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) (formerly marketed as PLO Edge) includes free lessons with quizzes covering exactly this ground, PLO versus Hold’em first among them. A placement quiz points returning players at the right starting stage instead of the basics. Stage 2: Build Starting-Hand Discipline (Weeks 2 to 4) A good PLO starting hand is four cards that work together. Double-suited hands, connected cards, and big pairs with coordinated side cards all qualify. A hand with a dangler, one card that connects to nothing, is really a three-card hand pretending to be playable, and three-card hands lose money in a four-card game. The discipline problem is psychological: four cards always contain something that looks promising, a suited ace here, a middle pair there. Beginners talk themselves into 60% of hands when strong low-stakes players play far fewer. Your goal for these weeks: fold the pretty junk and know why. Discipline matters because PLO equities run close. Premium hands are rarely big favorites before the flop, so your edge comes from how well your four cards cooperate after it. Our guide to [poker equity](https://gtogecko.com/blog/poker-equity-explained) covers why close equities change hand selection. Free route: PLO Gecko’s free tier gives you 25 training hands per day, which is exactly one focused session, plus a hand ranking lookup tool for the moments you are unsure whether a hand is a category or a mirage. The lessons on the nut mindset are worth taking in this stage as well. Stage 3: Study Preflop Ranges by Position (Months 2 to 3) Position is worth more in PLO than in Hold’em. With close equities and big multi-street pots, acting last is a persistent, compounding advantage, so solver-based ranges tighten dramatically in early position and widen on the Button. In this stage you replace “this hand feels playable” with actual ranges for each of the six seats. Work through one position at a time: raise-first-in ranges, then responses when someone opens ahead of you, then 3-bet ranges. If ranges as a concept are new to you, read [our introduction to poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) first, then our full [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) for the reasoning behind Omaha-specific range shapes. Free route: PLO Gecko’s free tier includes 50 range lookups per day in its interactive preflop range viewer, with solver frequencies and EV for every hand, filterable by suitedness and hand category. Fifty lookups is plenty for a study session built around one position. The training side covers RFI, facing opens, 3-bet pots, squeezes, and blind defense across 31 structured modules, with position drills from UTG through the Big Blind. If you come from Hold’em, this loop should feel familiar: it is the same browse-then-drill method NLHE players use in [GTO Gecko](https://play.gtogecko.com/), our trainer for Hold’em cash games, MTTs, and Spins. Stage 4: Train Nut Awareness and Pot-Limit Sizing (Months 3 to 6) Postflop PLO revolves around one question: who can have the nuts, and am I drawing to them? The second-nut flush and the low end of a straight are the hands that stack beginners. Before every bet or call, name the current nuts and count how many of your outs actually make them. The other half of this stage is the betting structure itself. Pot-limit betting caps your sizing, which makes pot geometry a skill: if you want to be all-in by the river, you often need to start building the pot on the flop. Pot-limit math in ten seconds Your maximum raise is the size of the pot after you call. At $1/$2, the standard maximum open is $7: you match the $2 blind, the pot becomes $5, and you raise by that $5. Postflop, if the pot is $10 and your opponent bets $10, your maximum raise is to $40 total: call $10, the pot is now $30, and you raise $30 more. Our [PLO pot-sized raise worksheet](https://gtogecko.com/blog/how-to-calculate-pot-sized-raise-plo) handles prior commitments, multiway calls, repots, and named blind-counting profiles. At a live table, follow the event or house procedure and confirm the amount with the dealer. Your existing pot-odds skills carry over directly, and with wraps of 13 or more outs they get a workout. Refresh the arithmetic with our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) if it has been a while. Free route: PLO Gecko ships a wrap analyzer that grades your outs by whether they make the nuts, plus a Monte Carlo equity calculator for checking the matchups you were unsure about after a session. The trainer’s postflop drills cover flop, turn, and river decisions in solver-built single-raised pots across 14 position matchups, so you practice real multi-street spots rather than isolated trivia. Stage 5: Add PLO5 When Your 4-Card Game Is Stable (Month 6 and Beyond) Five-card PLO is the fastest-growing Omaha variant, and it amplifies everything from stages 2 through 4: more combinations, stronger average hands, and an even harsher penalty for non-nut draws. If your 4-card discipline is shaky, the fifth card will find the leak. Treat it as an expansion, not a restart. Your two-card rule, nut awareness, and pot-limit sizing all carry over; the ranges and hand values shift again. Our dedicated [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers how the fifth card distorts equities and what it does to preflop selection. Free route: PLO Gecko covers PLO4 and PLO5 in the same app, switchable in one tap, with progress tracked separately per variant. It includes 14 dedicated PLO5 preflop modules with ranges solved at 100bb, and full-hand PLO5 drills that run from flop to river with native river solving on iPhone and iPad. Your daily 25 free hands work in either variant. What Are the Most Common Beginner Mistakes in PLO? Almost all beginner losses trace back to five patterns, each one a stage-skipping symptom. Mistake Why it costs you The fix Misreading the board You stack off with one pair you thought was a flush Stage 1: drill the two-card rule until automatic Playing every double-suited hand Danglers turn four-card hands into three-card hands Stage 2: demand all four cards work together Overvaluing bare aces AAxx with unconnected side cards plays terribly multiway Stage 3: check the actual range, not the pair Chasing non-nut draws Low flushes and bad wrap ends make second-best hands Stage 4: count only nut outs as full outs Treating variance like Hold’em Close equities mean bigger swings at the same win rate Keep 50+ buy-ins and read our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) How Far Can You Get With Free Tools? Through stage 3 comfortably, and well into stage 4. PLO Gecko’s free tier is 25 training hands and 50 range lookups every day, plus the free lessons with quizzes and the placement quiz. That is a complete daily study routine for a beginner at no cost: one lesson, one 25-hand session, and range review for whichever position leaked. The app currently holds 4.5 stars on the US App Store and a 4.9 rating in Brazil, and the [PLO Gecko product page](https://gtogecko.com/plo-edge) has the full feature list. For a deeper look at what is inside, read our [PLO Gecko app guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide). If you are keeping your Hold’em game alive in parallel, [GTO Gecko](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) has its own free account with preflop range browsing and a daily trainer allowance (access limits can change, so check the current product page). It is rated 4.77 on Google Play with 10K+ downloads. When Should You Add Paid Tools? When the free limits are what ends your study sessions, not your attention span. If you finish 25 hands wanting 50, or you burn through 50 lookups before your positional review is done, the premium tier (monthly and yearly plans) removes the caps and unlocks the full analytics: leak detection by position and pot type, EV-loss trends, and session history with hand-by-hand replay. Paid tools beyond a trainer have their place later. Video coaching sites teach concepts well, and desktop solvers let advanced players build custom postflop trees. Our honest [PLO trainer comparison](https://gtogecko.com/blog/best-plo-trainer-apps) covers who each tool suits, including the ones we do not make, and the [PLO Mastermind alternatives breakdown](https://gtogecko.com/blog/plo-mastermind-alternatives) prices the premium platforms against the budget route. Until you are through stage 4, a trainer plus the free lessons covers what you need, and your bankroll is better spent on buy-ins. Frequently Asked Questions Is PLO harder to learn than Texas Hold'em? The rules take one extra evening; the judgment takes longer. Four hole cards create more combinations, closer equities, and bigger swings, so hand reading and discipline matter more. Most Hold’em players reach competent low-stakes PLO in about six months of part-time study. How long does it take to learn PLO? Plan on one week for the rules, a month for starting-hand discipline, and about six months to a stable low-stakes game at 3 to 5 study hours per week. Doubling your hours roughly halves the calendar time. The order matters more than the speed. Can I learn PLO for free? Yes, through the first four stages. PLO Gecko’s free tier includes 25 training hands and 50 range lookups per day, free lessons with quizzes, and a placement quiz, with no payment required. Paid plans mainly remove the daily caps and unlock full analytics, which matters once you study daily. Should I start with PLO4 or PLO5? Start with 4-card PLO. PLO5 amplifies every 4-card concept, so weaknesses in hand selection or nut awareness get more expensive with the fifth card. Once your 4-card game is stable, usually around month six, add PLO5 in a trainer that tracks each variant separately. Do my Hold'em skills transfer to PLO? Position, pot odds, aggression, and study habits transfer well. Hand values do not: one pair, overpairs, and non-nut draws all drop sharply in value. Many players train both games in parallel, Hold’em in [GTO Gecko](https://play.gtogecko.com/) and Omaha in PLO Gecko, which keeps the two sets of ranges from blending. Start Stage 1 Tonight Learning PLO is a six-month project, but starting it takes ten minutes. Download [PLO Gecko for iPhone and iPad](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [for Android](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), take the placement quiz, and play your first 25 free hands. The two-card rule is waiting, and it is much cheaper to meet it in a trainer than at the table. Sources - [PLO Gecko: Omaha Poker Trainer, Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer, Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko official product page](https://gtogecko.com/plo-edge) - [GTO Gecko: Poker Wizard, Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko web app](https://play.gtogecko.com/) ### How to Practice Poker: Drills That Actually Improve Your Game https://gtogecko.com/blog/how-to-practice-poker Most players who say they are working on their game are describing volume, not practice. They played 40,000 hands last month, watched some training videos, and feel roughly the same at the tables. Volume produces experience. It does not reliably produce skill. This guide covers how to practice poker in a way that targets weaknesses, tests recall instead of recognition, and tells you whether it worked. Disclosure: This guide is published by GTO Gecko, which makes poker training software. The research cited below studies memory and skill acquisition in general, not poker specifically, and we say so where it matters. Why Isn’t Playing More Hands Enough? Because table time has three properties that make it a poor teacher: feedback arrives late and buried in variance, the spots that cost you most appear least often, and most of your decisions are trivial. Poker practice fixes all three by compressing the reps, removing variance from the feedback, and letting you choose which spot to face 60 times in a row. Feedback is delayed and noisy. You make a decision, and the result arrives one to four streets later, contaminated by cards nobody could predict. A correct call that loses feels like a mistake. A terrible call that wins feels like a read. Over a normal session you cannot separate signal from variance. Repetition is unbalanced. Across 1,000 hands you might face a 4-bet pot eleven times and a Button open several hundred. The spots that cost you most are the ones you see least. And most decisions are easy. You fold 7 ♥ 2 ♣ under the gun and nothing is learned. The hard ones are a small fraction of your hands, and they arrive when you are eight tables deep and thinking about dinner. What the Research Says About Practice That Works Three findings transfer: test yourself instead of restudying, spread sessions out, and mix spot types. The largest effect belongs to interleaving, where Rohrer, Dedrick and Burgess (2014) measured 72% against 38% on a delayed test. None of these studies used poker players, so treat them as structure rather than proof that a drill raises a win rate. Principle What the research found Poker application Retrieval practice Roediger and Butler (2011) review evidence that being tested produces large gains in long-term retention compared with restudying, and that corrective feedback amplifies the effect Drill a spot with the answer hidden. Reading a chart is restudying, not testing Distributed practice Cepeda and colleagues (2006) synthesized 839 assessments across 317 experiments in 184 articles, finding that the gap producing maximal retention grows as the delay before testing grows Four 20-minute sessions across a week, not one 80-minute block on Sunday Interleaved practice Rohrer, Dedrick and Burgess (2014) ran a nine-week classroom experiment with 140 students. On a delayed test, interleaved practice scored 72% against 38% for blocked practice Mix positions and spot types inside a session once the basics are stable, rather than 100 straight Cutoff opens That result carries a warning. Interleaved practice produced lower scores during the practice sessions themselves, and the advantage only appeared on the delayed test. If a drill feels harder than reading a chart, that is expected, not a sign you picked the wrong drill. The deliberate practice caveat worth knowing Ericsson, Krampe and Tesch-Römer’s 1993 paper on deliberate practice is the origin of most advice about focused effort, including the 10,000 hours figure. Macnamara and Maitra tested it with a double-blind replication in Royal Society Open Science (2019), and it did not hold up cleanly. Practice alone explained 26% of the variance in performance rather than the original 48%, and the best violinists had fewer solo hours by age 18 than the merely good ones (8,224 versus 9,844). The takeaway is not that practice fails. It is that hours are a weak predictor on their own, and structure does more of the work. Twenty focused minutes on the spot you keep misplaying beats three hours drilling ranges you know. Four Drills That Cover the Whole Game Preflop range drills, postflop decision drills, full-hand drills, and math drills. Each trains something the others miss, and skipping one leaves a gap you will notice. Drill What it trains Session length Output to record Preflop range drill Recall of opening, defending, 3-bet and 4-bet ranges by position and stack 15 minutes, 50 to 80 hands Accuracy and the two positions that produced the most errors Postflop decision drill Bet, check, call and raise decisions on specific board textures 20 minutes, 25 to 40 decisions Total EV loss and which street leaked it Full-hand drill Carrying a plan across streets instead of solving each node fresh 25 minutes, 10 to 15 hands Hands where your flop and turn decisions contradicted each other Math drill Pot odds, equity, and combo counting, fast enough to use under a clock 10 minutes Time per calculation, not correctness Preflop range drill Fix one configuration first: format, position pair, effective stack, ante, and rake. Study the range shape, then close it and drill, because the point is to produce the answer rather than recognize it. Our [preflop trainer guide](https://gtogecko.com/blog/preflop-trainer-guide) covers the settings that quietly invalidate a session, and [the opening range charts](https://gtogecko.com/blog/preflop-charts-opening-ranges) are the reference material between drills. Postflop decision drill Filter by texture rather than taking random boards. Two sessions on paired boards teach you more than one session on twelve unrelated textures. Commit before revealing feedback, every time. Peeking converts a test back into restudying, the exact thing the retrieval research says works less well. Full-hand drill Single-street drills can produce a player who makes each decision correctly in isolation and still plays incoherent hands. Full-hand practice catches the contradiction: barreling a turn you had no plan to fire, or checking back a river after building a pot for two streets. If you have time for one drill type per week, use this one. Math drill Speed matters more than most players admit. Knowing you need 25% equity is useless if the calculation takes 40 seconds you do not have. Ten minutes twice a week on [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) and [equity estimation](https://gtogecko.com/blog/poker-equity-explained) keeps it automatic. How Should You Structure a Practice Week? Roughly four hours split across seven days, with study before play and every drill pointed at one focus spot chosen on Sunday. Frequency matters more than total time, so the schedule below spreads short blocks. Day Block Minutes Deliverable Monday Range study plus preflop drill 35 One range explained in your own words, plus drill accuracy Tuesday Play session Normal volume Three to five tagged hands, tagged live Wednesday Hand review 45 One written rule per hand Thursday Postflop drill on last week’s worst texture 25 EV loss versus the previous attempt Friday Play session Normal volume Tagged hands Saturday Full-hand drill plus math drill 35 Hands where your plan broke between streets Sunday Weekly review 20 Next week’s single focus spot If you have less time, cut the total rather than the frequency. Four 15-minute sessions beat one 60-minute session, the direct implication of the distributed practice research. Pair the routine with a consistent [pre-session warm-up](https://gtogecko.com/blog/poker-warm-up-routines) so the move from study to play is not a cold start. Hand Review That Finds Something Write your reasoning down before you check the solution, and cap the week at five hands. Most hand review is storytelling: you reload a hand you already have an opinion about and confirm it. For a two-pass protocol that keeps the runout and showdown hidden until after the decision grade, use our [result-blind hand-review guide](https://gtogecko.com/blog/results-oriented-poker). A review that changes your play follows this order. - Tag during the session, not after. Tag on uncertainty, not on the result. A hand you were unsure about and won beats a cooler you lost. - Write your reasoning before you check anything. One sentence, in advance. Without it you will read the solution and believe you knew it. - Check the solution and record the gap. Was your action wrong, or your reason? A right action for the wrong reason fails in the next similar spot. - Generalize to a rule. "Fold KJo to a Cutoff 3-bet at 40bb" teaches one combo. "My Button calling range against 3-bets is too wide at 40bb" gives you something to drill. - Convert it to a drill. If it is worth reviewing, it is worth 30 reps. Reviewing without drilling means you understood it once. If your remembered hand has missing cards, amounts or stacks, use the [hand-note template and ambiguity examples](https://gtogecko.com/blog/poker-hand-notes) to preserve those gaps before selecting a study setup. Our guide to [using a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the next step. If you need to send a portable record to a coach or collaborator, first use the [PHH privacy and minimization checklist](https://gtogecko.com/blog/poker-hand-history-privacy-phh): names can disappear while an exact card-and-action pattern remains linkable. When turning a note into a reusable question, check the prompt itself. Our [poker flashcard workshop](https://gtogecko.com/blog/poker-flashcards) separates necessary context from accidental answer clues and shows how to write a checkable answer and grading note. How Do You Know If Your Practice Is Working? Track three numbers weekly, never per session: accuracy broken down by position and action, EV loss, and a difficulty-adjusted rating. Your own sense of improvement is not one of them, because it tracks recent results far more than it tracks skill. - Accuracy by category: Overall accuracy describes the attempts completed, but a changing drill mix can distort a comparison over time. Keep the category counts and use a [fixed-mix trainer accuracy comparison](https://gtogecko.com/blog/poker-trainer-accuracy) when the task definitions and scoring remain comparable. That calculation does not establish a change in underlying skill. - EV loss: The gap between the best available action and the one you chose. It ranks leaks by cost rather than frequency, so a rare expensive mistake outranks a common cheap one. See [our EV loss guide](https://gtogecko.com/blog/poker-leak-finder-ev-loss). - A rating: An ELO-style rating adjusts for difficulty, so it does not inflate when you practice easy spots. GTO Gecko’s trainers report accuracy, EV loss, and an ELO rating, enough to see whether a month of work moved anything. Single-session numbers are noise, and reacting to them is how people abandon a working plan in week two. Six Practice Mistakes That Waste Sessions The most expensive is drilling the wrong configuration, which teaches you a game you never sit in. Ranked by how much study time they waste: - Drilling the wrong configuration. Practicing 100bb cash ranges for a game you play at 30bb with antes is precise feedback about a game you never sit in. - Revealing the answer before committing. This converts every rep from a test into a review and removes most of the benefit. - Chasing accuracy percentage. Easy spots inflate the number. Practicing where you score badly is the whole point. - Changing everything at once. Move one variable per week. Going from 25bb to 20bb teaches you something. Changing format, position, stack, and action at once teaches you nothing you can attribute. - Studying immediately after a losing session. You will review for consolation rather than diagnosis. Our [guide to tilt](https://gtogecko.com/blog/poker-tilt-mental-game) covers why post-loss study reinforces the wrong conclusions. - Memorizing mixed frequencies too early. Learn the pure actions and large boundaries first. Whether a hand raises 62% or 71% matters far less than knowing it is not a fold. A 30-Day Practice Plan Week 1 opening ranges, week 2 blind defense, week 3 flop continuation, week 4 carrying a plan across streets. One focus per week, at the stack depth and format you actually play. Week Focus Drills Success check 1 Raise-first-in ranges by position at your main stack depth Preflop drill, 4 sessions of 15 minutes Name every opening range without looking 2 Blind defense against late-position opens Preflop drill plus 2 postflop sessions Accuracy above 80% in the Big Blind at one stack depth 3 Flop continuation decisions on two board families Postflop drill, 3 sessions of 20 minutes EV loss lower than week 2 on the same texture 4 Carrying a plan across streets Full-hand drill, 3 sessions of 25 minutes Fewer than two plan contradictions per 10 hands At the end, compare week 1 and week 4 numbers by category rather than in total, then pick the worst category as the next block’s focus. That loop is the whole method. Everything else is scheduling. Frequently Asked Questions How many hours a week should I practice poker? Three to five hours is enough for most players, and frequency matters more than the total. Four 20-minute sessions across a week beat one 80-minute Sunday block, the direct implication of Cepeda and colleagues’ distributed practice meta-analysis covering 317 experiments. What is the best way to practice poker for beginners? Start with preflop raise-first-in ranges at one stack depth, in one format. Study the range shape, close it, then drill with the answer hidden. Add blind defense next, then facing 3-bets. Keep the configuration fixed for at least a week before changing any variable. Do poker drills actually work? The mechanism is well supported outside poker. Testing yourself with corrective feedback improves retention more than restudying, and interleaving problem types raised delayed test scores from 38% to 72% in Rohrer and colleagues (2014). No study has measured drill effects on poker win rate, so treat drills as a better use of study time rather than a guaranteed result. Should I study before or after playing? Before. Studying after a session, especially a losing one, becomes a search for reassurance rather than diagnosis. Tag hands during play, then review them on a separate day when the result no longer colors your reading of the decision. How do I know if my practice is working? Track accuracy broken down by position and action, EV loss per session, and a difficulty-adjusted rating, all weekly rather than per session. If accuracy rises while EV loss stays flat, you are getting the easy spots right and still losing money in the expensive ones. Is practicing on a trainer better than playing more hands? They train different things and you need both. A trainer compresses reps of rare spots and removes variance from feedback. Real play trains table selection, timing, sizing against actual opponents, and emotional control. Build the decision in the trainer, then play to test it. Pick One Spot and Start This Week Choose the position and stack depth you play most, drill it for 15 minutes today, and write down the two hand families that gave you trouble. Repeat on three more days this week rather than doubling the length. [Open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type) and keep the first session narrow. For reps away from your desk, the mobile apps on the [App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) carry the same drills. Sources - [Roediger and Butler (2011), “The critical role of retrieval practice in long-term retention” (PubMed)](https://pubmed.ncbi.nlm.nih.gov/20951630/) - [Cepeda et al. (2006), “Distributed practice in verbal recall tasks: A review and quantitative synthesis” (PubMed)](https://pubmed.ncbi.nlm.nih.gov/16719566/) - [Rohrer, Dedrick and Burgess (2014), “The benefit of interleaved mathematics practice is not limited to superficially similar kinds of problems” (PubMed)](https://pubmed.ncbi.nlm.nih.gov/24578089/) - [Macnamara and Maitra (2019), “The role of deliberate practice in expert performance: revisiting Ericsson, Krampe and Tesch-Römer (1993)” (Royal Society Open Science)](https://pmc.ncbi.nlm.nih.gov/articles/PMC6731745/) - [GTO Gecko: Poker Wizard (Apple App Store)](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko: Poker Wizard (Google Play)](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [GTO Gecko official product page](https://gtogecko.com/) ### PLO Preflop Ranges: How to Read and Actually Learn Omaha Charts https://gtogecko.com/blog/plo-preflop-ranges PLO preflop ranges cannot be printed on a 13 by 13 grid. Pot Limit Omaha deals 270,725 possible four-card starting hands, and their equities run so close together that a two-color raise-or-fold chart throws away most of the information you need. This guide explains why Omaha ranges work differently from Hold'em charts, what a solver-backed PLO range actually shows, how ranges shift by position at 100 big blinds, and how to study them without trying to memorize a combo list. Disclosure: This guide is published by GTO Gecko. Our team also makes PLO Gecko, the Omaha trainer used as the range viewer example below. Every product claim here is checked against the current store listings. Why Do PLO Preflop Ranges Look Nothing Like Hold'em Charts? Because the game hands out equity differently. Two forces shape every Omaha range: equity compression and nut orientation. Once you understand both, the structure of PLO preflop charts stops looking arbitrary. Property NLHE PLO4 PLO5 Starting hand combos 1,326 270,725 2,598,960 Two-card combinations inside each hand 1 6 10 Preflop equity gaps between hands Wide Compressed Most compressed Chart format that works 13x13 colored grid Hand categories with frequencies and EV Same, with tighter entry requirements Main selection driver Raw equity and dominance Nut potential and hand structure Nut potential, even more strictly Equity compression In Hold'em, pocket aces win roughly 85% of the time against a random hand. In four-card Omaha, the best starting hand, A ♠ A ♥ K ♠ K ♥ double-suited, is closer to a 3 to 2 favorite against a strong rundown like J ♣ T ♦ 9 ♣ 8 ♦ . You can check pairings like this yourself in a Monte Carlo equity calculator; PLO Gecko ships one built in. Four cards give every hand six two-card combinations, so almost any four cards connect with some flops. Nothing is ever a huge preflop favorite, and nothing is ever completely dead. That is why Omaha ranges are built on structure and playability rather than raw equity edges. If the concept of equity itself is new to you, read our [poker equity guide](https://gtogecko.com/blog/poker-equity-explained) first. Nut orientation Compressed equities push more hands to the flop, pot-limit betting builds big pots gradually, and multiway pots stay common. The result is that large pots are usually won by the nuts or close to it. A hand that reliably makes king-high flushes or the low end of straights is not a small winner in PLO, it is a stack-losing liability. Solver ranges reflect this. Double-suited hands with an ace-high suit, connected broadway cards, and quality rundowns dominate the top of every opening range. Disconnected rainbow hands with a dangler, meaning one card that coordinates with nothing, fall out fast. Our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers the full hand selection framework behind this. What Does a Solver-Backed PLO Range Actually Show? A real PLO range is a list of hands with action frequencies and expected value, not a wall of solid colors. Because equities run close, solvers mix constantly: the same hand often raises part of the time and folds the rest, and the EV difference between those actions can be tiny. A chart that collapses this into "raise" or "fold" hides exactly the information that separates close decisions from clear ones. Example: one row in a range viewer Suppose you open the Cutoff opening range and look up K ♠ Q ♠ J ♥ T ♥ . A frequency-based viewer shows something like: raise most of the time, fold occasionally, with the EV of raising slightly above zero. The same structure as a rainbow, K ♠ Q ♥ J ♦ T ♣ , might mix far more folds at a lower EV. The numbers above are illustrative formatting, not a quoted solve, but the pattern is the point: suitedness alone moves a hand across the boundary. This is why frequencies and EV matter more in Omaha than in Hold'em. In NLHE you can memorize a mostly-pure chart and lose little. In PLO, huge regions of the range are mixed, and knowing that a hand is a marginal open teaches you more than knowing its majority action. For the general theory of thinking in ranges rather than single hands, see [understanding ranges in poker](https://gtogecko.com/blog/understanding-ranges-in-poker). How Do PLO Preflop Ranges Change by Position at 100bb 6-Max? The shape is the same as Hold'em, tight early and wide late, but the position premium is larger because closer equities make playability worth more. Here is the qualitative picture at 100 big blinds in a 6-max game. Treat these as tendencies to verify in a range viewer, not numbers to memorize; exact frequencies depend on the solve configuration. Position Opening tendency What enters, what stays out UTG Tightest, strongly nut-oriented Premium AAxx, double-suited broadways, high rundowns. Marginal single-suited and rainbow hands stay out. HJ Still tight, first speculative adds More single-suited rundowns and suited-ace hands with connection. CO Noticeably wider Mid rundowns, weaker double-suited hands, KKxx and QQxx with less help. BTN Widest range at the table by a distance Speculative suited and connected hands that are folds everywhere else. Guaranteed position carries them. SB Cautious despite the discount Playing out of position with compressed equities is expensive, so the range leans on nut potential again. BB vs an open Defends wide against a single raise The closing price turns many structured hands into calls, but danglers and weak rainbow hands still fold. The Big Blind row is driven by price: you already have money in and you close the action, so the pot odds justify continuing with hands that would be easy folds elsewhere. The math behind that decision is the same as in Hold'em, and our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) walks through it. Why are PLO 3-bet ranges linear instead of polarized? Because bluff 3-betting with weak hands does not work when everyone realizes equity. In Hold'em, a polarized 3-bet range with hands like A5s works partly because folds are common and dominance is real. In Omaha, opens rarely fold to a pot-limit 3-bet, your weak hand gets called, and it plays a bloated pot with a structural disadvantage. Solvers respond by 3-betting linearly: simply the strongest part of the continuing range. AAxx with coordinated side cards, double-suited broadway hands, and premium rundowns 3-bet; medium hands call; weak hands fold. Four-bet ranges concentrate even harder around AAxx. The practical takeaway is blunt: if a hand is not good enough to call, it is almost never good enough to 3-bet in PLO. How Do You Read a PLO Range Viewer? Since a 13 by 13 grid cannot hold 270,725 hands, a PLO viewer has to offer several ways to slice the same range. The concrete example here is PLO Gecko, the Omaha trainer we make (rated 4.5 stars on the US App Store, and 4.9 in Brazil). It includes an interactive preflop range viewer for both PLO4 and PLO5, and its layout options map directly to how you should study. - Grid, list, column, and matrix layouts: The grid gives you the overall shape at a glance, the list shows exact frequencies and EV per hand, and the column and matrix views group hands so boundaries between categories become visible. - Filter by hand category, suitedness, and action: Isolate only double-suited hands, only rundowns, or only the hands that mix between raise and fold. Comparing double-suited against rainbow versions of the same structure is the fastest equity-compression lesson available. - Sort by EV and frequency: Sorting by EV puts the most profitable opens at the top and, more usefully, shows you the near-zero hands at the bottom of the range. Those boundary hands are where your money is made or lost. - Exact solver frequencies and EV per hand: Every lookup shows the numbers, not just a color, so you can tell a 95% raise from a coin-flip mix. The app is on the [App Store for iPhone and iPad](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and on [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), and the free tier includes 50 range lookups plus 25 training hands per day, enough for a real study session before paying anything. For a full walkthrough of the app, including the 31 training modules and leak detection, read our [PLO Gecko (formerly PLO Edge) trainer guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide). If you want to see how it compares with other Omaha tools, our honest [PLO trainer roundup](https://gtogecko.com/blog/best-plo-trainer-apps) covers the field, including the desktop solvers. How Do PLO5 Preflop Ranges Differ From PLO4? The fifth card compresses equities further and raises the nut requirement again. Every PLO5 hand contains ten two-card combinations instead of six, so all hands connect with more flops, hit more redraws, and defend better against your made hands. Three tendencies follow directly. - Ranges tighten overall. When every hand plays better after the flop, marginal preflop hands become bigger liabilities. The bottom of each PLO4 opening range mostly disappears in PLO5. - Bare aces lose value. AAxxx with three uncoordinated side cards is easier to crack than its PLO4 cousin, because opponents hold more ways to outdraw an unimproved overpair. Aces want double-suited, connected help even more than before. - Suitedness and connection are worth a premium. With five cards, hands that coordinate across all of them, like double-suited rundowns, pull even further ahead of hands with dead cards. These shifts change enough decisions that PLO4 charts should not be reused for the five-card game; the reasoning is covered in depth in our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy). On the tooling side, PLO Gecko solves PLO5 preflop at 100 big blinds, dedicates 14 of its training modules to PLO5 preflop spots, and tracks PLO4 and PLO5 progress separately so switching variants in one tap does not blur your stats. How Should You Study PLO Preflop Ranges? Browse first, then drill, then review your misses. A workable weekly loop looks like this. - Pick one position and open its range. Sort by EV. Read the top ten hands and the bottom ten. The bottom ten are the lesson: they define the boundary. - Filter by suitedness. Compare double-suited, single-suited, and rainbow versions of the same structures. Say out loud what changes and why. - Drill that position. Make decisions before seeing the answer. PLO Gecko grades every choice against solver frequencies and EV, from perfect to blunder, and runs position drills across UTG, HJ, CO, BTN, SB, and BB. - Use an RNG for mixed hands. Frequencies you never randomize are frequencies you do not actually play. The app includes RNG dice for exactly this. - Review by pattern. Group mistakes by position and hand category, then send the worst pattern back to step one. If Hold'em is your main game, the identical loop works for NLHE ranges in [GTO Gecko on the web](https://play.gtogecko.com/) or the [GTO Gecko iOS app](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434), which cover cash, MTT, and Spins preflop with the same frequency-and-EV feedback. The habit transfers in both directions. Frequently Asked Questions What is a PLO preflop range? A PLO preflop range is the set of four-card (or five-card in PLO5) starting hands that a strategy plays in a specific spot, together with how often each hand takes each action. Because Omaha equities run close, good ranges are expressed as frequencies and EV per hand rather than as simple raise-or-fold colors. Are there free PLO preflop charts? Yes, with limits. PLO Gecko's free tier currently includes 50 range lookups and 25 training hands per day, which covers a focused daily session; unlimited access requires a subscription. Free static charts also exist around the web, but most show only majority actions without frequencies or EV. Access limits can change, so check the [current product page](https://gtogecko.com/plo-edge). How many starting hands are there in PLO? Four-card PLO has 270,725 possible starting hands, compared with 1,326 in Texas Hold'em. Five-card PLO has 2,598,960. This is why Omaha ranges are organized into hand categories with filters and sorting instead of a single grid: no chart can display every combo at once in a readable way. Should I memorize PLO preflop charts? Memorize principles and boundaries, not combos. Learn which hand categories open from each position, how suitedness moves a hand across the raise-or-fold line, and which structures 3-bet. Then drill decisions until the boundaries feel automatic. With over a quarter of a million starting hands, rote memorization is not a realistic plan in Omaha. Do PLO preflop ranges change with stack depth? Yes. Shallower stacks raise the value of current hand strength, so pairs like AAxx gain, while deep stacks reward hands that can make the nuts and win big pots, so suited and connected hands gain. Always check which stack depth a chart was solved for before using it; this guide's positional descriptions assume 100 big blinds. Open a Range and Find Its Bottom Ten Hands That single exercise, repeated across positions, teaches more about PLO preflop ranges than any amount of passive chart reading. Pick a position, sort by EV, study the boundary, then drill it. You can start today on the [PLO Gecko product page](https://gtogecko.com/plo-edge) or install the app directly from the App Store or Google Play links above. Sources - [PLO Gecko: Omaha Poker Trainer, Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer, Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko official product page](https://gtogecko.com/plo-edge) - [Omaha hold 'em, Wikipedia](https://en.wikipedia.org/wiki/Omaha_hold_%27em) - [GTO Gecko: Poker Wizard, Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) ### PLO Starting Hands: What to Play, What to Fold, and Why https://gtogecko.com/blog/plo-starting-hands Preflop is where Omaha bankrolls leak fastest, because a marginal four-card hand rarely feels marginal while you are holding it. There are 270,725 possible PLO starting hands ([more than 200 times Hold'em's count](https://blog.gtowizard.com/plo-just-changed-forever/)), each one contains six two-card combinations, and most of them are folds. This guide covers the archetypes worth raising, the real equity numbers behind the famous AAKK double suited, and the traps that look premium right up until the stacks go in. Disclosure: This guide is published by GTO Gecko, which makes PLO Gecko, the Omaha trainer mentioned in the practice section. Strategy advice and product description are kept separate. What Makes a Strong PLO Starting Hand? A strong PLO starting hand is four cards working as a team: connected enough to make nut straights, suited to a high card, and carrying no dead weight. Because Omaha requires exactly two hole cards and three board cards at showdown ([Omaha rules](https://en.wikipedia.org/wiki/Omaha_hold_%27em)), your hand is really six two-card hands played at once. Every card that fails to link with the others deletes three of those six combinations. Four checks separate teams from card piles: - Connectedness. Count how many of the six two-card combinations can make a straight. J T 9 8 has all six pulling in the same direction; K Q 7 2 has one. - Suitedness class. Every Omaha hand is rainbow, single suited, double suited, triple suited, or monotone. Double suited is the premium class, worth about six points of raw equity on its own, as the simulations below show. - Nut potential. Count realistic routes to the nuts: nut flush, nut straight, top set. Two or more routes let you commit a stack. Hands built from second-best routes win small pots and lose big ones. - No danglers. A dangler connects with nothing. A K Q with a lone 3 plays three cards against opponents playing four, and our simulation puts A K Q 3 rainbow at just 51.5 percent against a random hand, despite the three broadway cards. Our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) develops this selection framework in depth, with worked examples. This article goes one level down: what the filters produce, hand type by hand type. If range grids are new to you, our guide to [understanding poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) covers the basics. The Five PLO Starting Hand Archetypes Nearly every hand worth a preflop raise belongs to one of four families, and the fifth row below is the imposter that costs Hold'em converts the most money. Archetype Example Why it makes money Watch out for Double-suited broadway A ♠ K ♠ Q ♥ J ♥ Six connected combos, a nut flush route, dominates other big-card hands The rainbow version drops a full tier Rundown J ♠ T ♦ 9 ♠ 8 ♦ Flops wraps and nut straights on middle boards nobody puts you on Gaps, especially near the top, and low versions that make non-nut hands Suited ace plus connectors A ♠ T ♠ 9 ♥ 8 ♥ The nut flush route attached to straight cards, strong in multiway pots A weak fourth card turns it into a three-card hand Big pair with support K ♠ K ♥ Q ♠ J ♥ Top set, straights, and flushes stack up in the same hand The same pair with two dead cards is a different hand entirely Pretty trash K ♥ Q ♣ 9 ♦ 4 ♠ It does not. Four big-looking cards with no teamwork Second-best straights, no flush, one dead card The word "support" in the fourth row is doing real work. Kings with Q J suited to both kings win three ways; kings with 8 3 offsuit win one, and only when the flop cooperates. The same rule sends A A 7 2 rainbow to the traps section below. Suitedness deserves the same scrutiny: which card carries the suit matters more than how many suits you hold, because the queen-high flush is often the hand that pays off the ace-high one. Double-suited hands with an ace or king on top are the class solvers reward most, a pattern you can check against [plo.com's double-suited hand breakdown](https://plo.com/double-suited-hands-plo) or any solved range viewer. Is AAKK Double Suited Really the Best PLO Starting Hand? Yes. A ♠ A ♦ K ♠ K ♦ tops every credible ranking of best PLO starting hands : the highest pair, the second-highest pair, and two nut or near-nut flush routes. What the ranking hides is how small the crown is. We ran 400,000-deal Monte Carlo simulations, all-in preflop with ties split, to put numbers on it. Our separate [PLO5/PLO6 accuracy study](https://gtogecko.com/blog/plo-monte-carlo-equity-accuracy) explains what a trial count can—and cannot—say about sampling error. Preflop all-in matchup Equity What it tells you AAKK ds vs one random hand 71 vs 29 Hold'em aces are an 85 percent favorite in the same spot. The drop to 71 is the whole story of Omaha AAKK ds vs J T 9 8 ds 66 vs 34 The classic cooler matchup is only 2 to 1 AAKK ds vs three random hands 45 vs 55 Multiway, the best hand in the game is an underdog to the field AAKK rainbow vs one random hand 65 vs 35 Losing both suits costs six points before the flop and more after it AAKK ds vs A A 7 2 rainbow 62 vs 38 Both hands hold aces. The support cards are the entire difference Context decides how much that 66 or 71 is worth. These numbers assume all the money goes in preflop, and at 100 big blinds it rarely does: pot-limit betting caps the preflop pot, so most of the stack goes in after a flop that usually gives AAKK one pair. The hand performs best where it can force money in early: 3-bet and 4-bet pots, short stacks, heads-up play. In a five-way limped pot at deep stacks it is a pair of aces with backup. Raw equity is also not expected value, a distinction our [poker equity guide](https://gtogecko.com/blog/poker-equity-explained) unpacks. Which PLO Starting Hands Are Traps? The three most expensive traps are bare aces, low or gapped rundowns, and hands drowning in one suit. Each passes a Hold'em eye test and fails the four-card checks. Bare Aces A ♠ A ♦ 7 ♥ 2 ♣ against J T 9 8 double suited is a coinflip: 49.6 against 50.3 in our simulation. The monster and the middling rundown are dead even before the flop, and after it the rundown has the playability edge. Bare aces still make money when stacks are short enough, or the pot 3-bet enough, that most of the money goes in preflop while they are still ahead. The trap version is calling deep-stacked, flopping Q 9 8, and paying two pot-sized bets with one pair. Low and Gapped Rundowns 7 ♠ 6 ♠ 5 ♣ 4 ♣ holds 46 percent against A ♥ K ♥ Q ♦ J ♦ , and about 44 percent when the broadway hand shares one of its suits. Close, and misleading. The low rundown's straights sit under bigger wraps, its flushes are never the nuts, and every ace-high board improves the opponent's range while missing it completely. Forty-six percent preflop attached to second-best hands postflop is how pretty hands lose whole stacks, one pot-priced call at a time. Our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) shows why draws to non-nut hands keep failing the price they are offered. Gaps compound the problem, and where the gap sits matters. J T 9 7, with the gap at the bottom, is stronger than J 9 8 7, with the gap at the top, because connected high cards make the nut end of straights and put your wraps above the board. Triple Suited and Monotone Hands A K Q J with four spades looks like a jackpot and plays like a downgrade. Flushes use exactly two of your cards, so two of the four spades are pure waste, and holding four leaves only nine in the deck. Flop two spades and you are drawing to 7 outs where a normal suited hand keeps 9. Solved rankings place monotone and triple-suited hands a clear step below their double-suited twins, which is why range viewers filter by suitedness class. How Does the Hand Hierarchy Change in PLO5? Every threshold moves up. Five hole cards produce ten two-card combinations instead of six, drawn from 2,598,960 possible five-card starting hands. With ten combos per player, somebody at the table has nearly always connected with the flop, so equities compress further and non-nut hands lose even more of their value. Three shifts matter most. Danglers nearly vanish as a filter, since a fifth card usually links with something, so the question becomes how many nut routes the hand carries. Bare high pairs fall further, because unimproved one-pair hands are nearly worthless against ten-combo ranges. And connected, double-suited structures gain, because straight and flush boards arrive more often and only the nut versions get paid. PLO Gecko's PLO5 preflop ranges are solved at 100 big blinds, so you can look up exactly where a five-card hand sits instead of extrapolating from four-card habits. For the full picture, including postflop play and variance, read our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy). How Do You Drill Starting Hand Discipline? Pick one position, study the solved range, then drill it blind and review the EV you lost. Hand lists fade in a week. Scored repetitions with feedback are what turn the four checks into reflexes you can run in the two seconds before you act. This loop is what [PLO Gecko](https://gtogecko.com/plo-edge) (formerly PLO Edge) is built around, and the free tier covers one full loop every day: 50 free range lookups to study a single spot in the range viewer, filtering by suitedness class or hand category and sorting by EV, then 25 free training hands to drill that spot with every decision graded against solver frequencies and EV loss, from perfect through blunder. The paid plans remove the caps, but 25 graded hands a day on one position is a real practice block, not a teaser. The app's 31 modules span both variants, from raise-first-in through 3-bet pots, squeezes, and blind defense, with 14 dedicated PLO5 preflop modules and progress tracked separately per variant. It runs on iPhone and iPad ([App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388), rated 4.5 stars in the US) and on Android ([Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer)). Our [PLO Gecko walkthrough](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) covers the modules in detail, and if you want the honest comparison against GTO Wizard PLO, PLO Mastermind, and the desktop solvers, including where their postflop libraries beat anything that runs on a phone, read our [PLO trainer roundup](https://gtogecko.com/blog/best-plo-trainer-apps). If Hold'em is still your main game, the same drill-and-grade loop exists in [GTO Gecko](https://play.gtogecko.com/), our NLHE trainer covering cash, MTT, and Spin and Go ranges. Just leave its starting-hand instincts at the door when you sit down in an Omaha game. Frequently Asked Questions What is the best starting hand in PLO? AAKK double suited. In our 400,000-deal simulation it wins 71 percent against one random hand and 66 percent against J T 9 8 double suited, the strongest hand that commonly plays back at it. Against three opponents it drops to 45 percent, so even the best hand wants to shrink the field and get money in preflop. Are bare aces worth playing in PLO? Sometimes. Aces with two disconnected offsuit cards are roughly a coinflip against a good double-suited rundown, so their value lives almost entirely preflop. Raise and 3-bet them when stacks are short enough to get most of the money in before the flop. Deep-stacked and multiway, treat them as one strong pair and fold when the betting turns hostile. Is double suited always better than single suited? With the same ranks, yes. Our simulations show the jump from rainbow to double suited is worth about six points of preflop equity, before counting the postflop playability. But which card carries the suit matters more than the count: an ace-high flush route wins stacks, while a seven-high flush route is often the hand that pays them. What percentage of hands should you open in PLO? There is no single number worth memorizing, because solved ranges open far tighter from early position than from the button, and the boundary hands are exactly the pretty-trash class this guide warns about. Study the range for one position at a time in a solved viewer and learn its boundaries, rather than adopting a table-wide percentage. Do the same starting hand rules apply in PLO5? The four checks still apply, but the weights shift. Danglers mostly disappear since a fifth card usually connects, so nut potential becomes the dominant filter. Bare big pairs get weaker, connected double-suited hands get stronger, and second-best draws get even more expensive. PLO5 punishes loose four-card habits faster than PLO4 does. Fold the Card Piles, Raise the Teams Starting hand discipline is the cheapest edge in Omaha, because your opponents' pretty trash pays for your patience. Run the four checks on every hand tonight, then make it stick: open one solved range in [PLO Gecko](https://gtogecko.com/plo-edge), study where the archetypes enter and leave it, and spend your 25 free daily hands drilling that one spot until folding K Q 9 4 feels automatic. Sources - [PLO Gecko: Omaha Poker Trainer on the Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko product page (GTO Gecko)](https://gtogecko.com/plo-edge) - [Omaha hold 'em rules (Wikipedia)](https://en.wikipedia.org/wiki/Omaha_hold_%27em) - [GTO Wizard blog on PLO combinatorics](https://blog.gtowizard.com/plo-just-changed-forever/) - [Double-suited hands in PLO (plo.com)](https://plo.com/double-suited-hands-plo) ### PLO Strategy: How to Win at Pot Limit Omaha https://gtogecko.com/blog/plo-strategy-guide PLO strategy is not Hold'em strategy with more cards. Pot Limit Omaha changes the two things that drive every poker decision: how much equity hands have against each other, and how big you are allowed to bet. Once those two inputs move, almost every habit you carried over from No Limit Hold'em needs re-examining. How Is PLO Different From Texas Hold'em? Three rules change, and everything else follows from them. You get four hole cards instead of two. At showdown you must use exactly two of your cards plus exactly three board cards ([Omaha hold 'em rules](https://en.wikipedia.org/wiki/Omaha_hold_%27em)). And no bet can exceed the size of the pot. The two-card rule produces most of what feels strange about PLO . A rainbow hand (all four cards in different suits) can never make a flush, because no two of your cards share a suit. Holding A ♠ on a three-spade board means nothing unless a second spade is in your hand. Four to a straight on the board plus one connecting card in your hand is not a straight, and you can never play the board. Four Cards Means Six Hands at Once Your four cards contain six distinct two-card combinations. A ♠ K ♠ Q ♥ J ♥ plays AK, AQ, AJ, KQ, KJ, and QJ at the same time, and only one of those six will make your hand on any given board. Scale that up and the starting hand space explodes to 270,725 four-card combinations against 1,326 in Hold'em. GTO Wizard puts it at ["over 270,000 possible starting hand combinations, more than 200x the number in Hold'em"](https://blog.gtowizard.com/plo-just-changed-forever/), which is why PLO solutions arrived years after Hold'em ones. So stop evaluating an Omaha hand as one holding. Evaluate it as six two-card hands, and ask how many of them can make something worth stacking off with. Why Do Equities Run Closer in Omaha? Because every player is drawing from six two-card combinations instead of one, so someone almost always connects with the flop. In Hold'em, pocket aces are roughly an 85 percent favorite against a random hand. In PLO the strongest starting hands are far smaller favorites, and preflop all-ins between reasonable holdings frequently land in the 55/45 to 60/40 range. Raw hand strength therefore stops being the thing you optimize for. Equity spread thinly across many boards is worth less than equity concentrated in the boards where you get paid. Our guide to [poker equity](https://gtogecko.com/blog/poker-equity-explained) covers how equity and expected value differ. Flop texture then swings those close preflop numbers violently. PLO.com's equity work shows A ♠ K ♠ Q ♥ J ♥ running at [78.8 percent against 8 ♦ 7 ♦ 6 ♣ 5 ♣ on a 9 ♠ 4 ♠ 2 ♥ flop](https://plo.com/double-suited-hands-plo), a hand that was close to a coinflip three cards earlier. Omaha equity is decided by texture far more than by starting hand rank. Nut Potential Beats Hand Strength An Omaha hand is worth what it makes when it makes the best possible version, not the average version. Second-nut flushes, non-nut straights, and middle sets are the holdings that lose stacks, because pot-limit betting gives opponents room to build the pot with the nuts. That is why the ace of a suit is worth far more than the king of that suit. Suitedness Is Not One Category Hold'em has suited and offsuit. Omaha has five structures, unevenly spaced in value. Structure Suited two-card combos What it means in practice Rainbow (4 suits) 0 of 6 Cannot make a flush at all. Needs straights, sets and full houses to win. Single suited 1 of 6 One flush route. Its value depends almost entirely on whether the suited card is an ace. Double suited 2 of 6 Two independent flush routes plus better backup on paired and drawy boards. The most playable structure. Triple suited 3 of 6 Looks strong, plays worse than it looks. The third card of the suit removes one of your own flush outs. Monotone (all 4 suits match) 6 of 6 The weakest structure. You hold four of the thirteen cards in that suit, so the board rarely brings three more. Double suitedness multiplies a hand that already has a reason to play. PLO.com sizes the multiplier at [about four points of raw equity](https://plo.com/double-suited-hands-plo) for A ♠ K ♠ Q ♥ J ♥ over the rainbow version of the same broadway holding. Meaningful, and not enough to rescue a hand with nothing else going for it. Which Starting Hands Should You Play in PLO? Play hands where all four cards work together: connected cards that can make the nut straight, a suit carried by an ace or a king, and at least two routes to the nuts. Fold hands with two or more cards contributing nothing, however pretty the other two look. You will not memorize 270,725 hands, and you do not need to. Learn four filters, apply them in the two seconds you have before acting, then let solved [poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) refine the boundaries later. 1. Connectedness Count how many of your six two-card combinations can make a straight. JT98 has five connected pairs, J T 9 4 has three, J T 5 2 has one. Gaps cost more in Omaha because the straight you make also has to be the nut straight often enough to be worth playing. 2. Suitedness Quality Ask which card carries the suit, not just how many suits repeat. A ♠ 7 ♠ K ♥ Q ♥ has one nut flush route and one strong second route. 7 ♠ 5 ♠ 6 ♥ 4 ♥ is double suited on paper and will make you two second-best flushes. 3. Nut Potential Count the routes to the nuts: nut flush draws, nut straight draws, top set. Two or more routes means you can commit stacks. A hand whose best realistic outcome is second-best wants a cheap flop or a fold. 4. Danglers A dangler contributes to none of the useful combinations. A ♠ K ♠ Q ♥ 3 ♣ is really a three-card hand competing against opponents playing four. Three good cards plus a blank is the most common way a strong-looking Omaha hand turns out to be marginal. Running the Filters on Three Hands A ♠ K ♠ Q ♥ J ♥ : fully connected, double suited with the nut flush route, no dangler. Raise from any position. A ♠ A ♥ 8 ♣ 3 ♦ : rainbow, disconnected, two danglers. Flops top set about one time in nine and otherwise holds one overpair. Marginal, not premium. J ♣ T ♣ 9 ♦ 8 ♦ : five connected combinations, two suits, no dangler, nut straights on a wide range of boards. Against the bare aces above it is close to a coinflip, and far easier to play after the flop. To see how solved ranges weight these categories rather than trusting a rule of thumb, our [PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) walks through a range viewer that filters Omaha hands by category and suitedness, and the [PLO trainer roundup](https://gtogecko.com/blog/best-plo-trainer-apps) compares the tools that publish this data. Position Is Worth More in PLO Than in Hold'em Position is worth more in Omaha than in Hold'em, and the gap comes from three effects that stack. Play tighter out of position in PLO than your Hold'em instincts suggest. Closer equities mean your ability to realize equity is a larger share of a hand's value, so a hand that is 48 percent against a range is only worth playing if you can see the turn and river on your terms. Pot-limit betting then hands the player in position control over how fast the pot grows: out of position you check and face a pot-sized bet, in position you can call small, deny a free card, or take one yourself. PLO pots also go multiway far more often, and multiway pots punish out-of-position play harder. Our [position strategy guide](https://gtogecko.com/blog/poker-position-strategy) covers the general principle. In Omaha, apply it more strictly. Pot Limit Betting Changes the Arithmetic You can never bet more than the current pot, which caps how fast money goes in and makes stack-off decisions cumulative rather than instantaneous. At 0.5/1 blinds, a pot-sized open from the button is 3.5bb and a pot-sized 3-bet from the big blind makes it 11bb. There is no shove button preflop, so aggression is a sequence of raises rather than a single decision. Use the [call–pot-after-call ledger](https://gtogecko.com/blog/how-to-calculate-pot-sized-raise-plo) when prior chips or multiway action make that ceiling less obvious. How Many Pot-Sized Bets to Get 100bb In Single-raised pot: button opens to 3.5bb, big blind calls. Pot is 7.5bb with roughly 96.5bb behind. Pot flop (7.5), pot turn (22.5), pot river (66.5). Three pot-sized bets get the stacks in. 3-bet pot: big blind 3-bets to 11bb, button calls. Pot is 22.5bb with roughly 89bb behind. Pot flop (22.5), pot turn (66.5) and you are all in. Two bets. This is why 3-betting light is more dangerous in PLO. You are not just building a pot, you are removing a street of maneuvering room from a game where equities are close. Pot odds work differently too. With bets capped at pot, the worst price you can be offered is 2-to-1, so draws that would be marginal against a Hold'em overbet are often fine in Omaha. Our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) covers the calculation. The Omaha adjustment is that your draw is usually bigger than it looks and so is everyone else's. Six Leaks Hold'em Players Bring to Omaha The six most expensive Hold'em habits in Omaha are overvaluing bare aces, stacking off with non-nut draws, playing offsuit rundowns, overvaluing one pair, continuation betting too often, and ignoring paired boards. Each one is listed below with the fix. Leak Why it happens The fix Overvaluing bare aces AA is the best hand in Hold'em Play A A x x for its support cards. Aces with a rundown or a nut suit are premium. Aces with two blanks can be folded to serious pressure. Stacking off with non-nut draws A flush draw is a flush draw in Hold'em Second-nut and third-nut flush draws get called far more often. Ask which flush you are drawing to before the money goes in. Playing offsuit rundowns The cards look connected A rainbow rundown has zero flush routes. Playable in position for one bet, not a 3-betting hand. Overvaluing one pair Top pair wins pots in Hold'em One pair almost never wins a big Omaha pot. Treat it as a small-pot bluff catcher. Continuation betting too often Hold'em c-bet frequencies are high Opponents connect with the flop constantly in PLO. C-bet with equity or a strong blocker, not by default. Ignoring board pairing Full houses are rare in Hold'em Paired boards demolish flush and straight value because someone holds two cards that fill up. Slow down on paired turns. Most of these share a root cause: in Hold'em the second-best hand often wins because nobody has the best one. In Omaha, someone usually does. How Much Bankroll Do You Need for PLO? More than for Hold'em at the same stake, because a PLO downswing at an identical win rate runs longer and deeper. If you are moving across, drop a level rather than keeping the same one. The reason is mechanical. Closer equities mean more pots decided by a card rather than by a decision, big draws are frequently favorites over made hands, so the player who got the money in "good" wins less often than a Hold'em player expects, and multiway pots amplify the effect. Our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) covers how to size a roll around measured variance rather than around confidence. Apply it with a wider margin in Omaha. A Four-Week PLO Study Plan Spend the first two weeks on preflop only, the third on flop texture, and the fourth reviewing your own big pots. Preflop errors repeat every orbit, so they compound faster than anything you fix postflop. - Week 1: Preflop only. Learn raise-first-in ranges by position at one stack depth, until you can sort a random four-card hand into raise, call, or fold in under three seconds. - Week 2: Blind defense and 3-bet responses. The highest-frequency spots after opening ranges, and the ones that leak most when guessed. - Week 3: Flop texture. Categorize flops by how many nut hands they create (dry rainbow, two-tone connected, paired, monotone) and learn which hand classes want to build a pot on each. - Week 4: Review your own hands. Filter for pots over 40bb and check one thing: when the money went in, were you drawing to the nuts or to second best? Then repeat at a different stack depth. For a structured version with feedback rather than self-assessment, [PLO Gecko](https://gtogecko.com/plo-edge) (formerly PLO Edge) organizes Omaha training into modules by scenario, covers both PLO4 and PLO5, and reports EV loss per decision. Frequently Asked Questions Is PLO harder than No Limit Hold'em? It is harder to play well and easier to play badly. The four-card structure creates 270,725 starting hands against Hold'em's 1,326, and equities run close enough that hand reading matters more. Most converts are profitable at lower stakes and struggle at the level they beat in Hold'em. What is the best starting hand in PLO? Double-suited A-A-K-K is generally ranked first, because it combines the best pair with the second-best pair, two nut-capable flush routes, and broadway straight coverage. It is still a much smaller favorite preflop than aces in Hold'em, and it is not a hand you should be committed to on every board. Should I play bare aces in PLO? Play them, but do not marry them. A-A with two disconnected offsuit cards flops top set roughly one time in nine. The rest of the time you hold one overpair on a board where every opponent has six two-card combinations working. Raise them preflop, size the pot so you can fold, and stop stacking off on wet boards. Do PLO solvers exist like Hold'em solvers? Yes, though they arrived later and cost more compute. Desktop solvers handle Omaha trees directly, and several subscription platforms publish precomputed Omaha solutions with trainers attached. Our [PLO trainer comparison](https://gtogecko.com/blog/best-plo-trainer-apps) covers what each one actually solves and who it suits, and our [PLO Mastermind alternatives roundup](https://gtogecko.com/blog/plo-mastermind-alternatives) compares the premium Omaha platforms on price. Should I learn 4-card PLO or PLO5 first? Learn 4-card first. PLO5 sharpens the same principles rather than replacing them, and every nut-potential and dangler concept carries over with the dial turned up. Our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers what changes once you add the fifth card. Pick One Spot and Drill It The fastest improvement in Omaha comes from preflop, because preflop errors repeat every orbit and compound into difficult postflop spots. Choose one position and one stack depth, learn that range properly, and only then move on. If you want structured Omaha reps with EV-loss feedback instead of self-marking, [PLO Gecko](https://gtogecko.com/plo-edge) covers 6-max scenarios by position in both PLO4 and PLO5, on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). Sources - [Omaha hold 'em rules and variants (Wikipedia)](https://en.wikipedia.org/wiki/Omaha_hold_%27em) - ["PLO Just Changed Forever", GTO Wizard blog (starting hand combinatorics)](https://blog.gtowizard.com/plo-just-changed-forever/) - ["What Double-Suited Means in PLO and PLO5, With Equity Math" (PLO.com)](https://plo.com/double-suited-hands-plo) - [Omaha cash game formats and stakes (GGPoker)](https://ggpoker.com/poker-games/omaha/) - [PLO Gecko (formerly PLO Edge) product page (GTO Gecko)](https://gtogecko.com/plo-edge) ### PLO vs NLHE: How Omaha and Texas Hold'em Really Compare https://gtogecko.com/blog/plo-vs-nlhe The PLO vs NLHE question comes down to four structural changes: Omaha deals you four hole cards instead of two, forces you to use exactly two of them, caps every bet at the size of the pot, and squeezes preflop equities much closer together. Everything else, the action, the swings, the softer pools, follows from those four rules. Disclosure: This guide is published by GTO Gecko. We make GTO Gecko for No Limit Hold'em and PLO Gecko for Omaha; both appear in the study sections below. The structural comparison stands on its own. What Is the Difference Between PLO and NLHE? Pot Limit Omaha deals each player four hole cards (five in PLO5) and requires exactly two of them, combined with exactly three board cards, to make a hand. No Limit Texas Hold'em deals two hole cards, lets you use any combination of them, and lets you bet your entire stack at any moment. PLO caps each bet at the current pot size instead. Structure NLHE PLO Hole cards 2 4 (5 in PLO5) Hand construction Any combination of hole and board cards Exactly 2 hole cards plus exactly 3 board cards Starting hand combos 1,326 270,725 (2,598,960 in PLO5) Best hand vs random hand AA wins roughly 85% of the time AAxx wins roughly 65 to 72%, depending on side cards Hand values at showdown One pair wins many pots Big pots go to the nuts or close to it Betting structure No limit, all-in available at any time Pot limit, maximum raise equals the pot Variance High Higher, because equities run closer and pots still grow fast The exactly-two rule punishes Hold'em players first. Hold one heart while four hearts sit on the board and you have a flush in Hold'em. In Omaha you have nothing, because a flush requires two hearts from your own hand. Every transitioning player pays this tax at least once. The combinatorics matter too. Hold'em has 1,326 possible starting hands; four-card Omaha has 270,725, each containing six two-card combinations. PLO preflop play revolves around how well those combinations coordinate, a topic our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers in depth. How Do Hand Values Change from Hold'em to Omaha? Every hand value shifts up a full tier. With six two-card combinations per player (ten in PLO5), somebody has usually connected hard with the board, so the winning hand in a big Omaha pot is far stronger on average. One pair, even an overpair of aces, becomes a bluff catcher the moment serious money goes in. Example: aces are not the same hand You hold A ♦ A ♣ 7 ♦ 2 ♣ on a J ♠ T ♠ 4 ♥ flop. In Hold'em an overpair here is a clear value hand. In PLO an opponent holding K ♠ Q ♦ 9 ♥ 8 ♠ has a 17-card wrap (any ace, king, nine, eight, or seven makes a straight) plus a flush draw and is a favorite against your bare aces, despite holding king high. The biggest PLO wraps reach 20 outs. This is why PLO players obsess over the nuts. A non-nut flush or the low end of a straight loses stacks in Omaha far more often than in Hold'em. Counting outs against the price you are offered matters on nearly every street; if that math is rusty, review [pot odds and poker math](https://gtogecko.com/blog/pot-odds-poker-math) before sitting in a PLO game. Why Is PLO Higher Variance Than NLHE? On variance, Omaha vs Texas Hold'em is no contest: PLO swings harder because equities run closer at every stage while pots still grow geometrically. A preflop all-in that is 80/20 in Hold'em is often 60/40 in Omaha. Postflop, made hands face draws with 15 or more outs, so even your best situations get outdrawn at rates Hold'em players find alarming. You can play well and still lose for a long stretch, and the reverse is just as true. Pot-limit betting does not tame this. It slows the preflop all-in, but by the turn the pot is usually large enough that a single pot-size bet puts stacks in play anyway. The bankroll consequence is direct. A cushion that feels comfortable in NLHE is usually too thin for PLO at the same stakes; common practice among PLO regulars is to hold roughly double the buy-ins they would keep for Hold'em, or to drop a stake. Our guide to [bankroll management for serious players](https://gtogecko.com/blog/bankroll-management-for-pros) shows how to size that cushion around your own risk of ruin. Which Game Suits Which Player? Choose NLHE if you want lower swings, games running at every stake, and the deepest study ecosystem in poker. Choose PLO if you enjoy postflop complexity, have bankroll headroom, and can evaluate your play by decisions rather than results. Three questions settle it. Question NLHE fits when PLO fits when Bankroll Your roll covers a standard cash cushion with little room to spare You can hold roughly double the buy-ins, or willingly drop a stake Temperament Losing with strong hands tilts you, so fewer coolers helps You stay level through 60/40s losing three times in a row Study appetite You will grind theory to keep up with a well-studied pool You want modest, focused study to translate into an edge faster Temperament is the filter most players skip. PLO manufactures coolers by design: set over set, wrap versus top set, nut flush draw versus current nuts. If variance reads as injustice to you, PLO will grind you down regardless of skill. If it reads as the cost of doing business, it is one of the most rewarding games in poker. Does Skill Transfer Between NLHE and PLO? Yes, in both directions, more than most players expect. The core disciplines of poker are game-agnostic: position, pot odds, thinking in ranges instead of single hands, and matching bet sizes to a purpose all carry straight over. If ranges are still fuzzy for you, [understanding ranges in poker](https://gtogecko.com/blog/understanding-ranges-in-poker) is the shared foundation for both games. Moving from Hold'em to Omaha, what breaks is calibration. Your instincts about hand strength are systematically too optimistic, your preflop habits do not survive four coordinated cards, and your bluffing frequencies need rebuilding around blockers to the nuts. Moving from Omaha to Hold'em, players arrive with excellent draw equity intuition, comfort in big pots, and fast board reading. They must relearn how strong one pair really is, how wide thin value betting goes, and how no-limit leverage from shoves and overbets works. A refresher on [how poker equity works](https://gtogecko.com/blog/poker-equity-explained) helps recalibrate in either direction. Are PLO Games Softer Than NLHE? Often, at comparable stakes, though it varies by site, stake, and time of day; nobody has a universal statistic. The argument is structural rather than empirical. Cheap, abundant solver tools mean the average Hold'em regular has seen solver output for the spots you will put them in. PLO solving is computationally far heavier and its tool ecosystem younger; deep solutions historically required desktop software like MonkerSolver and serious hardware. The average PLO player has had less access to solver-grade feedback. PLO also self-selects for action players; four cards make every hand look playable, and many opponents play far too many of them. Two caveats. High-stakes PLO pools are full of specialists and are not soft. And a softer pool is not free money, because variance delays and disguises your edge. Softer means your study hours convert to expected value faster, not that the money shows up this week. How Do You Study NLHE? Hold'em study in 2026 is a solved workflow: browse solver ranges, drill them with EV feedback, and review mistakes by category. GTO Gecko is our tool for exactly that loop. It covers cash games, MTTs, and Spins with preflop, postflop, and full-hand trainers, grades every decision by EV loss, tracks progress with an ELO rating, and adds an Explain feature that uses machine learning (XGBoost with SHAP values) to explain in plain English why an action is preferred. Paid plans add an on-device custom postflop solver. It runs in the browser at [play.gtogecko.com](https://play.gtogecko.com/) and natively on [iOS](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434), [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), and macOS, one subscription syncing across all of them. On Google Play it holds a 4.77 rating with over 10,000 downloads, and its 288 App Store ratings worldwide average about 4.8. A free account includes preflop range browsing and a daily trainer allowance; access limits can change, so check the current product page. How Do You Study PLO? The Omaha study ecosystem is smaller, which is the softness argument above, but no longer empty. PLO Gecko (formerly PLO Edge), our sister app for Omaha, packs the same drill-and-feedback loop into a mobile trainer. It covers both PLO4 and PLO5 with progress tracked separately, offers 31 structured training modules from RFI through 3-bet pots, squeezes, and blind defense (14 of them dedicated PLO5 preflop modules), and scores every decision against solver-based GTO frequencies, grading each move from perfect to blunder. Standout features include native river solving on iPhone and iPad inside PLO5 full-hand drills, an interactive preflop range viewer with exact solver frequencies and EV per hand, leak detection that flags over-folding and passivity, and tools like a Monte Carlo equity calculator and a wrap analyzer with nut-out grading. The free tier gives you 25 training hands and 50 range lookups per day, with monthly and yearly plans unlocking the rest. PLO Gecko is rated 4.5 stars on the US App Store. You can get it on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), or read the full feature rundown on the [PLO Gecko page](https://gtogecko.com/plo-edge). For the five-card variant specifically, our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) pairs well with those 14 PLO5 modules. Credit where due: PLO Mastermind remains a strong video theory library, and MonkerSolver is still the reference for deep custom desktop solves. Our [roundup of PLO trainer apps](https://gtogecko.com/blog/best-plo-trainer-apps) compares the whole field honestly, and our [PLO Gecko trainer guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) walks through the app itself in detail. Should You Play Both Games? Eventually, yes. Two-game players can sit wherever the softer table is, and each game sharpens the other: Omaha teaches respect for draws and board textures, Hold'em teaches precision with thin value and bluff frequencies. A path that works: - Keep your current game as the base. Your win rate there funds the experiment. - Learn the second game's rules cold. For PLO that means the exactly-two rule and pot-limit raise math. - Drill preflop before playing. Twenty trainer hands a day build hand selection faster than sessions do. The free daily allowances in PLO Gecko and GTO Gecko cover this stage. - Enter one or two stakes below your main game. Your edge is smaller and the variance, in PLO's case, is larger. - Track the two bankrolls separately. You want to know what each game actually earns before mixing money. Ten minutes per game per day is a sustainable pace. Both apps fit on the same phone for a reason. Frequently Asked Questions Is PLO harder to learn than NLHE? The rules take an extra evening, mostly the exactly-two-cards requirement, but competent play takes longer because every decision weighs six or ten two-card combinations instead of one. Hand reading is genuinely harder. Preflop, however, is more forgiving of small errors than Hold'em, since equities between playable hands run close together. Is PLO more profitable than NLHE? Neither game is inherently more profitable; your edge over the specific pool decides that. The structural case for PLO is that its pools have had less access to solver study, so the same study hours can buy a bigger edge. The counterweight is higher variance, which delays and disguises that edge. Measure your own results. Do I need a bigger bankroll for PLO? Yes. Equities run closer, so winning players endure longer and deeper downswings than in NLHE at the same stakes. Common practice is to keep a substantially deeper buy-in cushion for PLO, often around twice your Hold'em cushion, or to play a stake lower until your sample proves an edge. Does PLO Gecko cover 5-card PLO? Yes. PLO Gecko supports both PLO4 and PLO5, switchable in one tap with progress tracked separately per variant. Of its 31 training modules, 14 are dedicated PLO5 preflop modules, and PLO5 full-hand drills include native river solving on iPhone and iPad. Preflop ranges for PLO5 are solver-built at 100bb. Do GTO Gecko and PLO Gecko share one subscription? No, they are separate apps with separate subscriptions. GTO Gecko covers No Limit Hold'em across web, iOS, Android, and macOS with one subscription syncing across platforms. PLO Gecko covers Omaha on iOS and Android with monthly and yearly plans. Both offer free daily allowances, so you can try each before paying. Pick Your Game and Start Drilling The comparison only matters once you act on it. If Hold'em is your game, [open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type) and drill one position pair today. If four cards are calling, grab PLO Gecko from the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) and run your first 25 free hands tonight. Either way, the player who drills daily beats the player who debates formats. Sources - [PLO Gecko: Omaha Poker Trainer (Apple App Store)](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer (Google Play)](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [GTO Gecko: Poker Wizard (Apple App Store)](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko: Poker Wizard (Google Play)](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [PLO Gecko official page](https://gtogecko.com/plo-edge) ### PLO Wraps: How to Count 13, 16, 17, and 20-Out Draws https://gtogecko.com/blog/plo-wraps-guide A wrap is Omaha's signature draw: a straight draw that uses two of your hole cards and wraps around the board with far more outs than any hold'em hand can make. The biggest PLO wraps carry 20 outs, and knowing whether yours has 13, 16, 17, or 20 decides how hard you can play it. Every out count in this guide was checked by enumerating all remaining turn cards, so you can trust the numbers and drill them. Disclosure: This guide is published by GTO Gecko, the team behind PLO Gecko, the trainer used as an example below. General strategy advice is kept separate from product claims. What Is a Wrap in PLO? A wrap is a straight draw with more than eight outs, built when three or four of your hole cards surround one or two connected board cards. Omaha rules require every hand to use exactly two hole cards and three board cards, as described in the [standard rules of Omaha](https://en.wikipedia.org/wiki/Omaha_hold_%27em). Because you hold four cards, several different two-card combinations can each complete a different straight, and the outs stack up fast. Compare that to no-limit hold'em, where the best available straight draw is the open-ender with 8 outs. If you have drilled NLHE spots in the [GTO Gecko web trainer](https://play.gtogecko.com/), you already treat an 8-out draw as a hand that wants good pot odds. In PLO, the same style of board can hand you 20 outs, and the correct line changes completely. Here is the baseline. Hold K ♣ Q ♥ 9 ♠ 8 ♦ on 7 ♣ 6 ♦ 2 ♠ and only the 9-8 connects: four 5s and four Ts complete a straight, 8 outs total. That is a hold'em-sized draw. A wrap starts where this leaves off. How Many Outs Does Each Wrap Size Have? Wraps run from 9 outs (an inside wrap) up to 20 outs, the ceiling for a straight draw in four-card PLO. The counting method is simple: list every rank that completes a straight, count four cards per rank, then subtract the copies you hold yourself. All six rows below were verified by enumerating every turn card. Draw Example hand Flop Straight outs Nut outs Open-ended (baseline) K ♣ Q ♥ 9 ♠ 8 ♦ 7 ♣ 6 ♦ 2 ♠ 8 8 Inside wrap A ♥ T ♠ 9 ♥ 8 ♦ J ♣ 7 ♦ 2 ♠ 9 9 13-out wrap K ♣ T ♠ 9 ♥ 8 ♦ 7 ♣ 6 ♦ 2 ♠ 13 13 16-out wrap J ♠ T ♥ 9 ♦ 6 ♣ 8 ♥ 7 ♣ 2 ♦ 16 16 17-out wrap A ♠ T ♦ 9 ♣ 6 ♥ 8 ♠ 7 ♥ 2 ♦ 17 11 20-out wrap T ♠ 9 ♥ 6 ♦ 5 ♣ 8 ♦ 7 ♣ 2 ♥ 20 14 Counting the 13-out wrap, rank by rank Hand: K ♣ T ♠ 9 ♥ 8 ♦ on 7 ♣ 6 ♦ 2 ♠ . Three connected cards sit above the 7-6. Any 5 makes 9-8 a straight (4 outs). Any 8 completes T-9 (3 left, you hold one). Any 9 completes T-8 (3 left). Any T completes 9-8 (3 left). Total: 4 + 3 + 3 + 3 = 13. Four out ranks give 16 cards, minus the 3 copies in your hand. Counting the 20-out wrap Hand: T ♠ 9 ♥ 6 ♦ 5 ♣ on 8 ♦ 7 ♣ 2 ♥ . Two cards above the 8-7 and two below. The out ranks are 4, 5, 6, 9, T, and J: six ranks, 24 cards, minus the four copies you hold. Fours and jacks are clean (4 outs each), while fives, sixes, nines, and tens give 3 each. Total: 4 + 3 + 3 + 3 + 3 + 4 = 20. The 16-out wrap deserves a closer look. J ♠ T ♥ 9 ♦ 6 ♣ on 8 ♥ 7 ♣ 2 ♦ puts three cards above the board and one below. Same five out ranks as the 17-out version (5, 6, 9, T, J), but you block four copies yourself instead of three. The lost out buys something better, as the next section shows. Which Wrap Outs Are Nut Outs and Which Are Dirty? A nut out completes the best possible straight on the new board. A dirty out completes a straight that can already be beaten. In the 20-out example above, only 14 of the 20 are nut outs. The other six are the three 9s and the three Ts, which leave you with the second-nut straight, losing to an opponent holding exactly J-T or J-9. That distinction decides whether hitting your draw wins a stack or loses one. Now look back at the 16-out wrap: all 16 outs make the nut straight, because the jack in your hand crowns every high runout. Heads up against a set, raw outs matter more. Multiway, or against players who also flop wraps, nut outs are what keep you solvent. The pattern to remember: big cards above the board make nut straights, and cards underneath it make dirty ones. A hand like 5-4-3 under a 7-6 board hits often and wins small or loses big. A turn nut straight can also still lose to a river flush or board pair; our [same-nut-straight PLO freeroll casebook](https://gtogecko.com/blog/plo-freeroll-same-straight) separates scoop, chop, and counter-redraw rivers. Our [poker equity guide](https://gtogecko.com/blog/poker-equity-explained) covers the step from outs to equity. When Should You Stack Off With a Wrap? Stack off on the flop when your equity against the top of your opponent's range still leaves you near a coin flip, which big wraps routinely do. The table below shows exact flop equities, computed by enumerating all 820 turn and river combinations for each matchup. Hero draw Villain Flop Hero equity 13-out wrap (K ♣ T ♠ 9 ♥ 8 ♦ ) Top set (7 ♠ 7 ♥ A ♠ Q ♦ ) 7 ♣ 6 ♦ 2 ♠ 38.8% 16-out wrap (J ♠ T ♥ 9 ♦ 6 ♣ ) Top set (8 ♠ 8 ♦ A ♠ K ♥ ) 8 ♥ 7 ♣ 2 ♦ 47.6% 20-out wrap (T ♠ 9 ♥ 6 ♦ 5 ♣ ) Top set (8 ♠ 8 ♥ A ♠ K ♦ ) 8 ♦ 7 ♣ 2 ♥ 54.4% 20-out wrap plus flush draw (J ♥ T ♥ 7 ♦ 6 ♣ ) Top set (9 ♠ 9 ♦ A ♠ K ♦ ) 9 ♥ 8 ♥ 2 ♣ 61.1% Read that middle result again: a naked 20-out wrap is a 54.4% favorite against top set on the flop. That is why big wrap draws are among the few hands in poker that can happily raise, reraise, and get 100 big blinds in while holding ten high. The 16-out nut wrap at 47.6% is close enough that stacking off is fine whenever there is dead money in the pot. Add a flush draw and the question disappears. J ♥ T ♥ 7 ♦ 6 ♣ on 9 ♥ 8 ♥ 2 ♣ holds 20 straight outs plus 9 hearts, with 4 cards overlapping, for 25 distinct improving cards. At 61.1% against top set, the draw is the favorite, and wrap plus flush draw is the classic PLO stack-off for exactly this reason. The 13-out wrap is the trap. At 38.8% against top set, it wants good [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) or extra equity before piling money in, especially out of position. These spots also swing entire buy-ins on a single card, so make sure your [bankroll rules](https://gtogecko.com/blog/bankroll-management-for-pros) already account for PLO variance before you start applying the aggressive lines. How Should You Play Wraps In Position and Out of Position? In position, big wraps play fast and small wraps play cheap. Out of position, nut wraps often check-raise, and dirty wraps mostly check-call or fold. Position is worth more in PLO than in hold'em because so many turn cards change the nuts, and the player who acts last uses that information for free. In position with the lead, a 16-out or 20-out wrap bets for value against sets and two pair that will not fold. With a weaker wrap, take the free card: 13 outs see the turn without paying a third of your stack for it. Out of position, the check-raise is the natural line for nut wraps: equity peaks on the flop, so build the pot while you are near 50% and take the initiative to barrel good turns. Dirty wraps out of position lose the most. They hate raises and hit second-best straights, and folding them to heavy action is often the best play. Our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers why the position premium runs through every street. How Do Wraps Change in PLO5? Five hole cards give you 10 two-card combinations instead of 6, so wraps show up more often and get bigger. A fifth card that connects turns a good wrap into a monster, and a fifth card that blocks your own outs quietly shrinks one. Take J ♠ T ♥ 9 ♦ 6 ♣ 5 ♥ on 8 ♥ 7 ♣ 2 ♦ . Enumerating every turn card gives 19 outs (fours, fives, sixes, nines, tens, and jacks), and all 19 are nut outs. Compare that to the four-card 20-out wrap: adding the jack blocks one of your own outs but upgrades all six dirty outs to nut outs. In a game where everyone holds five cards, that upgrade matters more than the lost out, because second-nut straights run into the nuts constantly. Your opponents wrap more often too, so nut discipline tightens in PLO5. If you are moving from four cards to five, our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers how equities compress and what that does to hand selection. How Can PLO Gecko Check Your Wrap Counts? PLO Gecko (formerly PLO Edge) ships a wrap analyzer with nut-out grading: enter your hand and a board, and it counts the straight outs and grades each one as nut or dirty, the same classification this guide computed by hand. Its Monte Carlo equity calculator then runs your draw against a specific hand, so you can reproduce numbers like the 54.4% above and test your own stack-off spots on [iPhone and iPad](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Android](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). The counting tools sit inside a full trainer: 31 structured modules across PLO4 and PLO5, solver-backed preflop ranges, postflop decisions in solver-built pots, and native river solving on iPhone and iPad in the PLO5 full-hand drills. The free tier includes 25 training hands and 50 range lookups per day, and a premium subscription (monthly or yearly) unlocks unlimited training and every tool. It currently holds 4.5 stars on the US App Store. For the complete feature walkthrough, read our [PLO Gecko trainer guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide), and if you want to weigh it against PLO Trainer, Vision GTO, and the rest of the field first, our [best PLO trainer apps roundup](https://gtogecko.com/blog/best-plo-trainer-apps) keeps the comparison honest. Frequently Asked Questions What is a wrap in PLO? A wrap is a straight draw that uses two of your hole cards at a time, with three or four hole cards wrapping around one or two connected board cards. Because different two-card combinations each complete different straights, a wrap holds 9 to 20 outs, well past the 8-out maximum of a hold'em open-ender. How many outs does the biggest wrap have? The biggest wrap in four-card PLO has 20 outs. Example: T-9-6-5 on an 8-7-x flop, where any 4, 5, 6, 9, T, or J completes a straight. Six out ranks give 24 cards, minus the four copies in your own hand. In PLO5, a fifth connecting card usually trades an out or two for more nut outs. What is a dirty out? A dirty out completes your straight while a better straight is possible on the same board. In the 20-out wrap T-9-6-5 on 8-7-x, the three 9s and three Ts are dirty: they give you the second-nut straight, which loses a stack whenever an opponent holds J-T or J-9. The other 14 outs make the nuts. Should you always get all-in with a wrap? No. A 20-out wrap is 54.4% against top set and stacks off profitably, and adding a flush draw pushes it past 60%. A 13-out wrap is only 38.8% against top set, so it wants better pot odds, position, or fold equity first. Count the outs, grade them nut or dirty, then decide. Are wraps more common in PLO5? Yes. Five hole cards create 10 two-card combinations instead of 6, so wraps appear more often and are larger on average. Opponents wrap more often too, which makes nut outs even more valuable: a second-nut straight in PLO5 collides with the nuts far more frequently than in four-card PLO. Is there an app that counts wrap outs for you? Yes. PLO Gecko includes a wrap analyzer with nut-out grading and a Monte Carlo equity calculator, alongside 31 training modules for PLO4 and PLO5. The free tier includes 25 training hands and 50 range lookups per day; details are on the [PLO Gecko product page](https://gtogecko.com/plo-edge). Count One Wrap Before You Sit Down Pick one flop from this guide, cover the answer, and count the outs rank by rank. Then grade each out nut or dirty. If your numbers match the tables, you are ahead of most of your pool already. To make the habit stick, run your own hands through the wrap analyzer and equity calculator in [PLO Gecko](https://gtogecko.com/plo-edge) until counting a wrap takes five seconds instead of a full orbit. Sources - [PLO Gecko: Omaha Poker Trainer, Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer, Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko official product page](https://gtogecko.com/plo-edge) - [Omaha hold 'em rules, Wikipedia](https://en.wikipedia.org/wiki/Omaha_hold_%27em) ### PLO5 Strategy: How 5-Card Omaha Changes Everything https://gtogecko.com/blog/plo5-strategy PLO5 is Pot Limit Omaha with five hole cards instead of four. The showdown rule does not change: you still make your hand from exactly two of your cards plus exactly three board cards. That one extra card sounds like a small tweak. It is not. It compresses equities, raises the bar for every hand you play, and turns marginal Omaha holdings into folds. This guide covers what actually shifts when you add the fifth card, how to adjust your preflop selection, why bare aces get worse, and where 5-card PLO runs in 2026. What Is PLO5 and How Does It Differ From PLO? PLO5 deals you five hole cards instead of four, and you still must use exactly two of them plus exactly three board cards. The one number that changes everything: your hand now contains 10 two-card combinations instead of 6. That is 67 percent more two-card hands working for you on every board, and the same is true for everyone else at the table. The starting hand space grows to 2,598,960 five-card combinations against 270,725 in PLO4, which GTO Wizard's PLO article already calls ["more than 200x the number in Hold'em"](https://blog.gtowizard.com/plo-just-changed-forever/) before you add the fifth card. The second number that matters is how much of the deck is in play. A six-handed PLO5 game deals 30 of the 52 cards before the flop, more than half the deck. Six-handed PLO4 deals 24. Far fewer strong holdings are hiding in the stub, which is the mechanical reason someone at the table usually has the board covered. Equities Compress Even Further PLO already runs closer than Hold'em. PLO5 tightens the band again. Americas Cardroom's five-card strategy material puts it plainly: ["Because of the extra hole card, equities are closer than in 4-Card PLO, and players chase large draws more aggressively."](https://www.acrpoker.eu/how-to/poker-strategy/advanced/hand-selection-strategy-for-5-card-plo/) Their own worked example shows the shape of it. Against a field, a connected double-suited holding like A ♠ K ♠ Q ♦ J ♦ T ♠ sits around 45 to 50 percent equity, aces with poor connectivity like A ♠ A ♦ 8 ♣ 6 ♠ 2 ♣ around 32 to 38 percent, and a lone pair with one suit like K ♥ K ♣ 9 ♠ 7 ♦ 4 ♠ around 25 to 30 percent. Read those three numbers together and the whole game falls out of them. Connectivity beats high cards. A big pair without support is a below-average hand, not a premium one. If you want the general framework behind these comparisons, our [poker equity guide](https://gtogecko.com/blog/poker-equity-explained) explains how equity and expected value differ. Why Bare Aces Get Worse, Not Better In 4-card PLO, A-A with two blanks is already overrated. In PLO5 it is worse for three compounding reasons. You still only get to use two cards, so the extra card adds nothing to the pair itself. Your opponents each hold 10 two-card combinations rather than 6, so the chance that your overpair is behind by the turn goes up. And because more of the deck is dealt, the specific cards that would have improved you are more often in someone else's hand. Aces in PLO5 are a hand you raise to build a pot and then evaluate honestly on the flop. A ♠ A ♥ K ♠ Q ♥ J ♣ is a monster. A ♠ A ♥ 9 ♣ 5 ♦ 2 ♣ is a hand you should be capable of folding on a coordinated flop. Which Hands Should You Play in PLO5? Play hands where at least four of the five cards work together, with two independent flush routes and more than one path to the nuts. The 4-card filters still apply, the thresholds just move up. Ranked by how much they gain or lose relative to 4-card PLO: - Connected rundowns with a pair (Q-J-T-9-9). Nut straight coverage plus set potential plus redraws. The biggest winner of the fifth card. - Double-suited broadway rundowns (A-K-Q-J-T). Fully connected with a nut flush route. Premium in both games, slightly better here. - Clean five-card rundowns (J-T-9-8-7). Nut straights on more boards than any 4-card equivalent. - Aces with support (A-A-K-Q-J). Still strong, but now judged by what surrounds the pair rather than by the pair. - Three good cards plus two blanks. Marginal in PLO4, a fold in PLO5. - Bare aces and bare kings. The biggest loser of the fifth card, for the reasons above. Every Card Has to Earn Its Place In PLO4, one dangler makes a strong hand marginal. In PLO5 you are effectively playing a five-card hand against opponents also playing five, so a dead card costs you the same relative share while everybody's baseline gets stronger. A hand with two danglers is a three-card hand at a table of five-card hands. Rundowns Gain the Most Connected five-card holdings like J-T-9-8-7 make nut straights on more boards than any 4-card equivalent, and they retain redraws when the board pairs or brings a third suit. Rundowns with a pair inside them (Q-J-T-9-9, for example) are especially strong because they combine nut straight coverage with set potential. Double Suited Is the Baseline Five cards give you more suit structures than four. The workhorse is two-and-two-and-one: two cards of one suit, two of another, one odd card. That gives you two independent flush routes without wasting cards on a third suit you cannot use. Holding three or four of the same suit is worse than it looks, because every extra card of that suit is one fewer flush card left in the deck for you to hit. To describe a five- or six-card holding precisely, use our [PLO5/PLO6 suit-pattern reference](https://gtogecko.com/blog/plo6-suit-patterns). It separates same-suit card pairs from the number of suits that meet Omaha's two-hole-card flush requirement, with all nine six-card patterns and exact raw-deal counts. Ace-Suit Quality Matters More Second-nut flushes are called more often in PLO5 than in PLO4 for the same reason everything else is: more two-card combinations per opponent. If your only flush route is a king-high one, treat it as a drawing hand rather than a stacking hand. Three PLO5 Hands, Ranked A ♠ K ♠ Q ♥ J ♥ T ♣ : fully connected broadway with two flush routes, one of them the nut flush. Open from anywhere and take a 3-bet happily. J ♣ T ♣ 9 ♦ 8 ♦ 8 ♠ : a rundown with a built-in pair. Makes nut straights, flops sets, and keeps redraws on paired boards. A premium PLO5 hand that would be merely good in PLO4. A ♠ A ♥ 9 ♣ 5 ♦ 2 ♣ : a big pair and three cards doing nothing. Raise it for the fold equity and the set outs, then stop putting money in on wet flops with one overpair. Postflop Becomes Nut or Fold The practical postflop change is that made hands below the nuts lose value quickly, and draws gain it. On a two-tone connected flop in PLO5, the number of opponents holding a nut draw, a wrap, or a set is meaningfully higher than in PLO4. That pushes three adjustments. - C-bet less often. Betting a range into a field that connects more frequently is a way to build pots you do not want. Bet with equity or with a blocker that removes the calls you fear. - Respect paired boards harder. With 10 two-card combinations per player, someone filling up is a routine event rather than a cooler. - Value your draws honestly. A big wrap with a nut flush draw is often a favorite against a made set. That is true in PLO4 and more true in PLO5, which is why the fold-versus-call decisions get closer. Our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) covers the arithmetic, and remember the pot-limit cap means the worst price you can be offered is 2-to-1. Blockers do more work here than in almost any other poker format. Holding the ace of the flush suit changes both what you can represent and what your opponent can hold. Our guide to [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) covers the mechanic in general terms. Coming From 4-Card PLO Tighten your opening ranges, downgrade every non-nut draw one notch, and cut your c-bet frequency. Those three adjustments cover most of the transition. Six specific habits and their fixes: PLO4 habit PLO5 adjustment Opening any hand with three connected cards Require four working cards. One dangler is the practical limit, two is a fold. 3-betting bare aces for value 3-bet aces with connectivity or a nut suit. Bare aces prefer a single raised pot. Stacking off with top set on a wet flop Top set is often behind a wrap plus flush draw. Check the board before committing. Calling with second-nut flush draws Downgrade every non-nut draw one notch. More combinations means more second-best payouts. High c-bet frequency Cut it further. Field connection rates rise with the fifth card. Playing 8-handed and 9-handed PLO5 tables are usually 6-max. Adjust opening ranges to the shorter table, not the deep field. The through line is that PLO5 does not introduce new concepts. It turns up the volume on the ones that already governed 4-card Omaha, so a player with solid PLO4 fundamentals converts faster than a Hold'em player does. If those fundamentals are not in place yet, start with our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide). Variance and Bankroll PLO5 is a step up in variance from PLO4, which is already a step up from Hold'em, so drop a stake when you switch. Compressed equities mean more pots resolved by the river card rather than by the decision that put the money in. Draws are favorites more often, big hands get outdrawn more often, and the gap between a good session and a bad one widens. If your bankroll rules were built for a Hold'em win rate, they will not survive a PLO5 downswing at the same stake. Our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) covers sizing a roll against measured variance rather than against your best month. Where Can You Play PLO5 in 2026? GGPoker and CoinPoker are the two lobbies we could verify from their own pages. Both run PLO5 cash games, and GGPoker also spreads 6-card Omaha. GGPoker lists all three Omaha variants in the same lobby. Their [Omaha games page](https://ggpoker.com/poker-games/omaha/) states that standard PLO is labeled PLO, the five-card version PLO-5, and the six-card version PLO-6, with cash stakes running from $0.01/$0.02 up to $10/$20. Standard PLO seats up to seven players there, while PLO-5 and PLO-6 tables cap at six, so plan your ranges for a short table. CoinPoker also runs dedicated [5-card Pot Limit Omaha](https://coinpoker.com/games/plo5/) cash tables and tournaments. Away from those two lobbies, availability is patchy and jurisdiction-dependent. Wikipedia's Omaha article describes five-card Omaha, commonly called "Big O", as very popular as a home game in the southeastern United States, and six-card Omaha as a game found in many UK casinos. Study Tools That Actually Cover PLO5 Five tools cover the 5-card game: PLO Gecko (our own app), Vision GTO Trainer, PLO Mastermind, Range Converter, and PLO Genius. Most other Omaha software is 4-card first, and PLO5 support is still the exception rather than the rule. PLO Gecko, formerly PLO Edge and made by us, added PLO5 in July 2026. It is a phone app rather than a browser platform: 14 dedicated PLO5 preflop modules, solver-backed PLO5 ranges at 100bb with exact frequencies and EV per hand, and full-hand drills from flop to river with native river solving on iPhone and iPad. It is on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), and our [PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) covers the details. Run It Once's Vision publishes more than 10,500 boards for its five-card plans, with spots at 100bb for 6-max and heads-up and 50bb for 6-max, and its own FAQ notes five-card plans currently carry fewer spots than four-card ones. PLO Mastermind lists more than 100,000 five-card solutions on its [pricing page](https://plomastermind.com/pricing/). Range Converter and PLO Genius both include PLO5 and PLO6 in their subscriptions. GTO Wizard's PLO product is 4-card only at the time of writing, with PLO5 and PLO6 listed in their FAQ as in development with no timeline. Our [PLO trainer comparison](https://gtogecko.com/blog/best-plo-trainer-apps) lays out what each platform contains and what it costs. Frequently Asked Questions What is PLO5? PLO5 is Pot Limit Omaha dealt with five hole cards instead of four. Every other rule is identical, including the requirement to use exactly two hole cards and exactly three board cards at showdown. It is also written as 5-card PLO or PLO-5 in poker lobbies. Is PLO5 harder than PLO4? The decisions are harder because equities run closer and the nuts are out more often, but the concepts are the same. A competent PLO4 player usually adapts within a few thousand hands. The most common mistake in that transition is carrying over PLO4 opening ranges, which are too loose for the five-card game. Are aces still the best starting hand in 5-card Omaha? Aces with support are strong. Aces with three unconnected blanks are not. Because you can still only use two hole cards, the extra card does nothing for the pair itself while every opponent gains 10 two-card combinations instead of 6. Judge the hand by what surrounds the aces. Where can I play PLO5 online? GGPoker lists PLO-5 in its Omaha lobby alongside PLO and PLO-6, with cash stakes from $0.01/$0.02 up to $10/$20 at tables capped at six players. CoinPoker runs 5-card Pot Limit Omaha cash games and tournaments. Availability depends on your jurisdiction, so check what is licensed where you are before depositing. Do I need a bigger bankroll for PLO5? Yes. Closer equities mean more pots decided by the last card, so swings at any given win rate are longer and deeper than in PLO4, which is already more volatile than Hold'em. Move down a stake when you switch, and size the roll against your own measured results rather than an inherited rule of thumb. Which trainers have PLO5 solutions? As of August 2026, Vision GTO Trainer, PLO Mastermind, Range Converter, and PLO Genius publish five-card solutions in the browser, and PLO Gecko (our app) trains PLO5 on iOS and Android with 14 dedicated preflop modules and native river solving in its PLO5 full-hand drills. GTO Wizard's PLO product covers four-card only and lists PLO5 as in development. Coverage and pricing change often, so check each vendor's own page. Fix Your Four-Card Game First Almost every PLO5 leak traces back to a PLO4 concept applied too loosely: a dangler you kept, a second-nut draw you paid off, an overpair you could not fold. The fastest route into the five-card game is a preflop range you can produce without looking. If you want structured Omaha reps with EV-loss feedback on your phone, [PLO Gecko](https://gtogecko.com/plo-edge) trains both 6-max PLO4 and PLO5, with progress tracked separately per variant, and our [PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) walks through the modules. Build the habits in the four-card game, then carry them straight into the five-card drills. Sources - [Omaha variants, table sizes and stakes (GGPoker)](https://ggpoker.com/poker-games/omaha/) - [5-Card Pot Limit Omaha games (CoinPoker)](https://coinpoker.com/games/plo5/) - [Omaha hold 'em rules and variants (Wikipedia)](https://en.wikipedia.org/wiki/Omaha_hold_%27em) - ["PLO Just Changed Forever", GTO Wizard blog (starting hand combinatorics)](https://blog.gtowizard.com/plo-just-changed-forever/) - ["Hand selection strategy for 5-Card PLO" (Americas Cardroom)](https://www.acrpoker.eu/how-to/poker-strategy/advanced/hand-selection-strategy-for-5-card-plo/) - [Vision GTO Trainer five-card coverage and FAQ (Run It Once)](https://www.runitonce.com/vision/) - [PLO Mastermind five-card solution counts](https://plomastermind.com/pricing/) - [PLO Gecko: Omaha Poker Trainer on the Apple App Store (PLO5 features, v1.3.0)](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) ### PLO5 Trainer: What 5 Card PLO Training Should Look Like in 2026 https://gtogecko.com/blog/plo5-trainer A PLO5 trainer deals you five card Omaha decisions, scores each one against solver output, and keeps a record of what you get wrong. Hold'em players have had that loop for years. Five card players mostly have not. This guide explains why 5 card PLO training tools are scarce, lists what to demand before you pay for one, and gives an honest tour of the PLO5 side of our own app, PLO Gecko. Disclosure: This article is published by GTO Gecko, and PLO Gecko is our sister app. The buying advice below applies to any trainer. When we review our own product, we stick to features listed on its official store pages and credit the alternatives fairly. Why Are PLO5 Trainers So Scarce? Because 5 card PLO is expensive to solve. There are 2,598,960 distinct five card starting hands, compared with 270,725 in four card PLO and 1,326 in hold'em. Each PLO5 hand also contains 10 possible two card combinations instead of the 6 you get with four cards, so every postflop node carries more ways to connect with the board. Game trees that were already heavy in PLO4 get heavier still. Tool builders followed the money and the math in the same order. No limit hold'em got solved first, and today you can choose from dozens of NLHE trainers. Our own [GTO Gecko](https://play.gtogecko.com/) covers cash, MTT, and Spin & Go formats on web, iOS, Android, and macOS, and its [App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) shows 288 ratings worldwide averaging about 4.8. Four card PLO came second. PLO5 came last, even though the game itself spread quickly through live rooms and poker apps. The result is a gap: plenty of PLO5 games running, very few structured ways to study them. That gap matters more in PLO5 than almost anywhere else. Preflop hand values shift, wraps get bigger, and intuition imported from PLO4 misfires in specific, costly ways. Our [5 card PLO strategy guide](https://gtogecko.com/blog/plo5-strategy) covers those differences in detail; this article is about the tools for drilling them. What Should You Demand From a PLO5 Trainer? Three things are non-negotiable: solver-backed ranges at a stated stack depth, per-decision EV feedback, and progress that is tracked separately from any four card content. Everything else is a bonus. 1. Solver-Backed Ranges With a Stated Stack Depth Plenty of PLO5 content is labeled "expert ranges" or "GTO-inspired" without saying where the numbers came from. That is not good enough in a game with 2.6 million starting hands, because no human intuition covers that space reliably. Ask two questions of any vendor: what produced these ranges, and at what stack depth? A range built for 100bb cash play tells you little about a 40bb spot, and vice versa. If you are new to thinking in ranges rather than hands, start with our guide to [understanding poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker). 2. Per-Decision EV Feedback A right-or-wrong stamp is nearly useless in PLO5 because so many hands mix between actions. Useful feedback shows the solver's frequencies for every action and the EV cost of your choice, so you can separate a genuine blunder from a close mix. Over a session, those EV losses should aggregate into something you can act on: which positions, which pot types, which hand categories leak the most. 3. Variant-Separated Progress Most PLO tools that add five card content bolt it onto a four card product. That is fine, as long as your statistics do not blend. A 75% accuracy score that averages PLO4 and PLO5 hands together hides exactly the information you bought the tool to find. Demand separate accuracy, EV-loss trends, and history per variant. Requirement Why it matters in PLO5 How to verify before paying Solver-backed ranges, stated depth 2.6 million starting hands defeat hand-built charts The vendor names the stack depth and the solving method Per-decision EV feedback Mixed strategies make right-or-wrong grading misleading Feedback shows frequencies and EV, not just a verdict Variant-separated progress Blended PLO4/PLO5 stats hide your five card leaks Accuracy and history filter by variant Postflop reps, not only preflop Wraps and blockers change most after the flop Drills continue past the flop with graded decisions A usable free tier You should test the feedback loop before subscribing Some daily allowance works without payment Inside PLO Gecko's PLO5 Training: An Honest Tour PLO Gecko (formerly PLO Edge) is our mobile Omaha trainer for [iPhone and iPad](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Android](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). Version 1.3.0, released July 23, 2026, made PLO5 a first-class variant rather than an add-on. Here is what that means in practice, feature by feature. For the app as a whole, including its PLO4 side, see our [full PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) or the [product page](https://gtogecko.com/plo-edge). 14 Dedicated PLO5 Preflop Modules The app ships 31 structured training modules across both variants, and 14 of them are dedicated PLO5 preflop modules. Coverage follows the spots that actually decide preflop win rates: raise first in, facing opens, 3-bet pots, 4-bet pots, squeezes, blind defense, and short-stack play, drilled across UTG, HJ, CO, BTN, SB, and BB. Each decision is scored against solver-based GTO frequencies and EV, with move quality graded from perfect down to blunder and a grade for the whole session. The underlying PLO5 ranges are solver-backed at 100bb, the standard cash game benchmark. That is a real answer to the "what depth, what source" question we told you to ask every vendor, and it also tells you the honest limitation: if your game runs much shallower, the ranges are a reference point rather than a script. Full-Hand PLO5 Drills With Native River Solving Preflop-only training leaves the most expensive PLO5 streets untouched, so the app runs full-hand PLO5 drills from flop to river in solver-built single-raised pots, with multi-street hands, realistic bet sizing, and 14 position matchups such as BB vs BTN and SB vs CO. On iPhone and iPad, river decisions are solved natively on the device. To keep that claim precise: this is river solving inside structured drills, not a desktop-class solver that builds a custom tree for any spot you invent. You get graded flop, turn, and river decisions in prepared scenarios, which is what deliberate practice needs. You do not get an open-ended research instrument, and PLO Gecko does not pretend otherwise. A PLO5 Range Viewer With Exact Frequencies and EV Drilling without browsing produces memorization without understanding. The interactive range viewer covers both PLO4 and PLO5 in grid, list, column, and matrix layouts. You can filter by hand category, suitedness, or action, sort by EV or frequency, and read the exact solver frequency and EV for any hand. When a drill flags a leak, the fastest fix is usually five minutes in the viewer studying the boundary you keep missing. One Tap Between PLO4 and PLO5, With Separate Progress Switching variants takes one tap, and everything downstream stays separated: accuracy, EV-loss trends, session history with hand-by-hand replay, and your ELO rating across the app's 30 plus ranks. The leak detector reads the same split data, flagging over-folding, passivity, and over-aggression by position, pot type, hand category, and stack size. Your PLO4 habits never contaminate your PLO5 report card, which is exactly the variant separation we argued for above. Wrap Analyzer and Equity Calculator Two built-in tools earn their place in a five card context. The wrap analyzer grades your wraps by nut outs, which matters because PLO5 wraps get huge and the difference between 13 outs and 13 clean outs is the difference between a stack-off and a fold. The Monte Carlo equity calculator handles hand-versus-hand and hand-versus-range questions; pair it with our primers on [poker equity](https://gtogecko.com/blog/poker-equity-explained) and [pot odds math](https://gtogecko.com/blog/pot-odds-poker-math) if those concepts are rusty. A hand ranking lookup rounds out the set. For scale: the app currently holds 4.5 stars on the US App Store from 32 ratings, with a 4.9 average in Brazil. That is a young rating base, stated plainly, and we would rather you read it that way than dressed up. What PLO Gecko Does Not Do Honesty cuts both ways. There is no desktop app; this is a phone and tablet product. There is no custom postflop tree solver of the kind desktop tools offer, as covered above. It is an educational app with no real-money play and no poker table gameplay. Premium is a monthly or yearly subscription, and the free tier below is genuinely usable but capped. And no trainer fixes variance: PLO5 swings are violent, so pair any study plan with proper [bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros). Fair Alternatives for 5 Card PLO Training PLO Gecko is not the only place publishing five card content, and depending on your setup it may not be your best fit. Vision, the dedicated PLO platform from the GTO Wizard team, publishes PLO5 content and is worth a look if you study on desktop. Range Converter and PLO Genius also publish PLO5 material alongside their four card offerings. Each takes a different angle on coaching, ranges, and price, and a serious student should compare before subscribing. Our [roundup of the best PLO trainer apps](https://gtogecko.com/blog/best-plo-trainer-apps) puts them side by side, and our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers the fundamentals every tool assumes you know. Frequently Asked Questions Is there a free PLO5 trainer? Yes. PLO Gecko's free tier includes 25 training hands and 50 range lookups per day, covering both PLO4 and PLO5, with no payment details required. That is enough to run a real daily session and judge the feedback quality before considering premium. Allowances can change, so check the current [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) listing. What stack depth are PLO Gecko's PLO5 ranges built for? 100 big blinds, the standard cash game benchmark, and the ranges are solver-backed rather than hand-built. If your games run much shallower or deeper, treat the 100bb output as a reference point and adjust for stack depth, since range shapes move meaningfully as stacks change in five card play. Can I train PLO4 and PLO5 in the same app without mixing my stats? In PLO Gecko, yes. Switching between variants takes one tap, and accuracy, EV-loss trends, ELO, and session history are tracked separately for each. That separation matters because blended statistics hide variant-specific leaks, which are usually the reason a PLO4 player struggles when adding the fifth card. Does PLO Gecko solve full PLO5 postflop trees like a desktop solver? No, and it does not claim to. It runs full-hand PLO5 drills from flop to river in solver-built single-raised pots, and on iPhone and iPad it solves river decisions natively on the device. That supports graded multi-street practice, not open-ended custom tree research of the kind desktop solvers provide. Do I need a PLO5 trainer if I already study PLO4? If you play PLO5 for meaningful stakes, yes. Five card hands hold 10 two card combinations instead of 6, wraps grow, and preflop values shift enough that PLO4 instincts misfire in repeatable ways. Strategy reading tells you what changes; a trainer with variant-separated feedback is how you convert that into habits. Run Your First Graded PLO5 Session Today The free tier is the cheapest possible test of everything this article told you to demand. Download PLO Gecko on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), switch to PLO5, and drill your 25 free hands in one position. If the EV feedback shows you something you did not know about your game, you will know within a day whether the tool has earned a subscription. Details and plans are on the [PLO Gecko product page](https://gtogecko.com/plo-edge). Sources - [PLO Gecko: Omaha Poker Trainer, Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer, Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko official product page](https://gtogecko.com/plo-edge) - [GTO Gecko: Poker Wizard, Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) ### Are Poker Solvers Allowed? Study Tools vs Real-Time Assistance https://gtogecko.com/blog/are-poker-solvers-allowed-rta Short answer: Poker solvers are commonly used for off-table study, but using software, charts, databases, or another person to advise a decision during play can become prohibited real-time assistance (RTA). The boundary depends on the poker room’s current rules. Keep solving and training separate from active play, and verify the policy for every platform you use. This guide summarizes public operator policies as of July 14, 2026, with the GGPoker policy version reconfirmed on August 22, 2026. Rules can change and wording differs by room. It is not legal advice or a substitute for the terms that apply to your account, event, or jurisdiction. What Is Real-Time Assistance in Poker? Real-time assistance is external help that influences a decision while you are playing. The help can come from software, a website, a mobile app, a chart, a database, a physical reference, or another person. Moving the tool to a second screen or phone does not change what it does. A poker solver itself is not the whole issue. Timing and use matter. Running a solve after a session to understand a marked hand is study. Entering the live board, ranges, or action into a tool while the decision is pending supplies real-time advice. The phrase “while playing” also needs care. Some policies apply while the poker client is open, not only while the action is on you. That is why the safest approach is to close the poker client before opening advanced study material. Study Tool or RTA? A Practical Boundary Timing Example Practical risk Before a session Drill your Button opening ranges, review a solved flop family, or write a short study note Low risk: usually ordinary study, though some rooms restrict what may run alongside their client During play Look up the current hand, consult a chart, ask another person, or run a solver before acting High risk: major rooms prohibit external decision assistance After closing the client Reconstruct a marked hand, compare actions, extract a rule, and drill related spots Lowest risk: the clearest separation between play and study Do not treat this table as a universal list of what is allowed. An operator may allow one category of basic reference and prohibit another, or define “during play” more broadly than just the hand in progress. The operator’s current policy is what decides. What PokerStars Says About Solvers and RTA PokerStars’ current [prohibited programs, tools and services policy](https://www.pokerstars.com/poker/room/prohibited/) says players must make decisions without external advice and identifies real-time advice as cheating. It distinguishes limited basic reference material from tools that give advanced strategic recommendations. The policy allows some basic reference material, including certain static preflop information, but restricts tools that calculate advanced ranges, ICM, or Nash-equilibrium strategies, or that recommend other sophisticated advice, while the PokerStars software is running. The exact limits and examples matter more than the label on a product. Calling something a “chart,” “calculator,” or “trainer” does not make every use acceptable. PokerStars also publishes an explanation of its [approach to detecting real-time assistance](https://www.pokerstars.com/poker/learn/news/detecting-real-time-assistance-pokerstars/). Its broader [terms of service](https://www.pokerstars.com/tos/) remain part of your account agreement, so read the current policy and terms together before playing. What GGPoker Says About Solvers and RTA GGPoker’s [Security & Ecology Policy](https://ggpoker.com/network/security-ecology-policy/), version 20260313 when we checked it, defines RTA broadly. It says each decision must be made without external assistance and includes software, apps, websites, and physical or digital reference material in that restriction. The policy specifically says charts of any kind are prohibited during play. It also describes serious enforcement outcomes, including permanent bans and possible confiscation of funds. Do not assume that a static chart allowed under one operator’s limited conditions is allowed on GGPoker. If a chart is part of your study plan, move it into a separate practice block. The [preflop trainer guide](https://gtogecko.com/blog/preflop-trainer-guide) shows how to review a range, hide the answer, drill it from memory, and revisit weak spots later. Why Room Rules Differ Poker rooms differ in their technical systems, game formats, and enforcement standards, and they protect game integrity in different ways. One may permit a simple unopened-pot chart while another bans all charts during play. A live tournament can also have rules that differ from those of an online room. Three principles prevent most mistakes: - Read the operator’s own policy. Forum summaries, old videos, and tool-vendor claims can be outdated. - Check again after policy updates. A tool that was permitted last year may be restricted now. - Ask support when the wording is unclear. Describe the exact tool, feature, timing, and device. Save the written response, but continue to follow later policy changes. A Safer Off-Table Solver Workflow - Mark the hand without seeking advice. Use the room’s permitted hand-history or note feature if available. Finish every live decision yourself. - End the session and close the poker client. This creates a visible boundary and keeps you clear of policies tied to software being open. - Reconstruct the spot. Confirm positions, effective stack, action, sizes, board, pot, rake, and plausible ranges. A wrong input can produce a precise answer to the wrong game. - Study the range, not only your cards. Compare action frequencies and EV across the whole range. Note which hands mark the strategic boundary. - Write one conditional rule. Use “when, then, because” language instead of copying an exact mixed frequency. - Drill related spots later. A trainer can test whether you remember the concept, so you never need an answer in front of you while you play. Use the [EV-loss leak review workflow](https://gtogecko.com/blog/poker-leak-finder-ev-loss) to rank recurring post-session mistakes. If you are learning the tools, our [solver-versus-trainer comparison](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) explains their different jobs, while [the poker solver study guide](https://gtogecko.com/blog/how-to-use-poker-solver) covers inputs, outputs, and review. Common RTA Misunderstandings “It is only a chart, so it must be allowed.” No. Policies classify both the information and the timing. GGPoker’s published policy prohibits charts of any kind during play. PokerStars allows limited basic reference material only under specific, defined conditions. Check the rules of the room you play on. “The solver is on my phone, not my poker computer.” Changing the device does not change whether the help counts as assistance. If a phone, tablet, second computer, printed sheet, or person helps choose the live action, it can fall within a broad RTA rule. “I already know what I want to do; I am only confirming it.” Confirmation still supplies external decision support. Make the decision unaided and review it after the session. “I am between hands, so advanced study is fine.” Not necessarily. PokerStars restricts categories of advanced tools while its software is running. Other operators may define the relevant period differently. Close the client before advanced review. “But the tool says it is compliant.” The operator decides what is permitted on its service. The company selling a tool cannot grant permission on behalf of a poker room, and a compliant off-table feature may have a prohibited live use. Frequently Asked Questions Are poker solvers legal? “Legal” and “allowed by a poker room” are different questions. Tools for off-table solver study are widely available, but local law and platform terms vary. Check the rules for your jurisdiction and service rather than treating this article as legal advice. Can I use a poker solver while playing online? Do not use a solver to advise active decisions. Major rooms prohibit real-time external assistance, and enforcement can affect your account and funds. Confine solver work to a separate study session. Can I keep a preflop chart open? It depends on the room. PokerStars permits limited basic reference material only under defined conditions; GGPoker says charts of any kind are prohibited during play. The lowest-risk practice is to close all references and make each decision yourself. Are HUDs the same as RTA? They are related integrity topics but not identical. Some operators allow limited HUDs, some restrict their features, and others prohibit them. Check the current room-specific policy rather than extending a solver rule to every tool. Can I use GTO Gecko during a poker session? GTO Gecko is designed for educational, off-table solver study and training. Do not use it, or any other solver or trainer, to obtain advice during active play. Close the poker client first and follow the operator’s current rules. Keep Study and Play Separate The clean rule is simple: make poker decisions yourself, then use solvers and trainers after the session to understand them. That separation protects game integrity and produces better study notes because you can inspect the full configuration without a clock running. When the client is closed, you can [open a GTO Gecko study session](https://play.gtogecko.com/login?from=/welcome/game-type) to reconstruct a spot, compare strategies, and drill related decisions. Recheck your poker room’s policy whenever its rules or your study setup changes. Disclosure: GTO Gecko publishes this article and makes educational solver and trainer software. We do not operate PokerStars or GGPoker. Their linked policies are the authoritative sources for their services. Sources - [PokerStars — Prohibited Programs, Tools and Services](https://www.pokerstars.com/poker/room/prohibited/) (accessed July 14, 2026) - [PokerStars — Detecting Real-Time Assistance](https://www.pokerstars.com/poker/learn/news/detecting-real-time-assistance-pokerstars/) (accessed July 14, 2026) - [PokerStars — Terms of Service](https://www.pokerstars.com/tos/) (accessed July 14, 2026) - [GGPoker — Security & Ecology Policy, version 20260313](https://ggpoker.com/network/security-ecology-policy/) (accessed July 14, 2026; version reconfirmed August 22, 2026) ### Poker Leak Finder: Use EV Loss to Fix Costly Patterns https://gtogecko.com/blog/poker-leak-finder-ev-loss A poker leak finder converts individual training decisions into patterns you can review. Instead of asking only “Was I correct?”, compare the expected value of your chosen action with that of the best available action, group repeated losses by situation, then retest the highest-cost pattern. That makes study time more specific without pretending a solver can predict results. What EV Loss Means in Poker Training EV loss = EV of the best available action − EV of the chosen action. Here, “best available action” means the highest-EV option included in the solver’s model at that decision point. If betting has an EV of 6.40 big blinds and checking has an EV of 6.22 big blinds, choosing check produces an EV loss of 0.18 big blinds in that model. The unit matters. A solver may report EV in chips, in big blinds, or as a percentage of the pot; a tournament tool may report chip EV or ICM-aware prize-money EV instead. Before comparing two results, confirm that they use the same game type, stack depth, pot size, tree, ranges, and normalization. Cash-game losses expressed in big blinds should not be added directly to tournament chip EV, and neither should be treated as identical to ICM-aware prize-money EV. For aggregated EV loss analysis in poker, useful summaries include average loss per decision, total loss within a filtered sample, and normalized loss per 100 comparable decisions. Keep the original unit visible. Normalization makes patterns easier to compare; it does not make unlike situations interchangeable. Why Accuracy Alone Can Mislead Accuracy counts how often your chosen action matches a preferred solver action. It does not tell you how costly a mismatch was. Imagine two samples with invented numbers: - Player A matches the preferred action 99 times out of 100, but the one miss costs 5.00 big blinds. - Player B matches it 80 times out of 100, and each of the 20 misses costs 0.01 big blinds, for 0.20 big blinds total. Player A has much higher accuracy but greater modeled EV loss. The opposite problem also occurs in mixed-strategy spots: two actions may have nearly identical EV, so choosing the lower-frequency action can look “wrong” while costing almost nothing. A useful poker leak finder therefore shows both frequency and cost. Accuracy can tell you that a pattern exists; EV loss helps estimate whether it deserves your next study session. Group Decisions Before Calling Something a Leak One expensive decision is a hand to review. A recurring, sufficiently supported pattern is a candidate leak. Start by grouping comparable decisions across a few practical dimensions: Dimension Example filters Question to ask Street Flop, turn, river Where does most of the aggregate loss appear? Position Button vs Big Blind, Cutoff vs Button Does the pattern depend on positional advantage? Pot type Single-raised, 3-bet, limped Are you carrying the wrong rule into a different tree? Board texture Paired, monotone, connected, high-card dry Which range or nut-advantage change are you missing? Action line Check-raise, delayed c-bet, river bluff-catch Is the problem an action, size, or earlier assumption? Position deserves special attention because the same hand class can behave differently in and out of position. Our guide to [poker position strategy](https://gtogecko.com/blog/poker-position-strategy) explains why position changes range construction and postflop decisions. Likewise, apparent opponent “tells” should be separated from modeled baseline analysis; see [poker betting patterns](https://gtogecko.com/blog/poker-betting-patterns) for a cautious framework. A Worked Leak-Finder Example The following numbers are invented for illustration and do not describe a real user or population. Suppose a player reviews 500 decisions from a postflop trainer . A filter finds 32 Button-versus-Big-Blind single-raised pots on paired flops. In 12 of them, the player used a large bet where the model’s best available action was a small bet. The average modeled difference across those decisions was 0.09 big blinds, producing 1.08 big blinds of aggregate EV loss. Another filter finds only four missed river bluff-catches, but their average loss is 0.55 big blinds, or 2.20 big blinds total. The flop sizing error is more frequent; the river error is costlier in the current sample. The right conclusion is not “river calls are my permanent weakness.” A better note is: “In this model and sample, these four river decisions produced the largest aggregate loss. Review the range interaction, collect more examples, and retest.” That wording preserves the signal without overstating confidence. Prioritize With Recurrence, Cost, and Evidence Quality Rank candidate leaks using three signals rather than a made-up precision score. Recurrence is the number of comparable occurrences. Cost is average EV loss in a consistent unit. Evidence quality reflects sample size, data quality, and whether the pattern survives when you widen or shift the filter. Pattern Recurrence Cost Evidence quality Study decision Frequent and costly High High Medium or high Review first Frequent but cheap High Low High Learn a compact rule; avoid overinvesting Rare but costly Low High Low or medium Inspect, then gather more examples Rare and cheap Low Low Low Defer This matrix keeps poker performance analytics tied to a study decision. It also reduces the temptation to chase every red number on a dashboard. A 15-Minute Leak-Review Loop - Choose one filter — 2 minutes. Select one street, position pair, pot type, and texture. Avoid reviewing your entire database at once. - Attempt fresh decisions — 4 minutes. Play a short set without looking up answers. State your range-level reason before acting. - Review the largest losses — 4 minutes. Compare actions, sizes, ranges, and EVs. Check whether the alternative is truly meaningful or nearly indifferent. - Write one conditional rule — 3 minutes. Use “when, then, because” language: “When this texture shifts the nut advantage, prefer X more often because…” Do not turn one combo into a universal rule. - Queue a retest — 2 minutes. Save several related spots, including close variants that test whether you understood the principle rather than memorized a screen. If solver output still feels hard to translate, start with [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver). For the different jobs performed by exploration and active practice, compare a [poker solver with a GTO trainer](https://gtogecko.com/blog/poker-solver-vs-gto-trainer). Retest With Feedback and Spacing Do not mark a leak “fixed” immediately after reading the answer. Retest the pattern later without prompts: once after roughly one or two days, again after about a week, and later among unrelated spots. These intervals are practical suggestions, not a proven poker-specific optimum. The rationale comes from broader learning research. A [meta-analysis of 222 classroom studies](https://pubmed.ncbi.nlm.nih.gov/33683913/) found that testing generally improved learning, with results affected by factors including feedback and repetition. A [retrieval-practice review](https://pubmed.ncbi.nlm.nih.gov/20951630/) highlights corrective feedback, while a [distributed-practice review](https://pubmed.ncbi.nlm.nih.gov/37615780/) shows why the ideal spacing schedule is conditional. Treat spacing as a way to test durable recall, not a magic timetable. What a Poker Leak Finder Cannot Tell You - It cannot prove that an action is universally wrong. Results depend on the ranges, stack, rake, bet sizes, opponent model, and other assumptions in the tree. - It cannot turn a small sample into certainty. Rare spots can dominate a short report. Expand the sample and check whether the pattern remains. - It cannot replace strategic interpretation. A dashboard ranks symptoms; you still need to understand why the ranges behave as they do. - It cannot separate a real error from near-indifference. When two actions have almost equal EV, a low-frequency choice is not evidence of a mistake; focus on the strategic boundary instead of forcing a deterministic answer. - It does not predict short-term results. Modeled EV and realized outcomes are different measures. Use leak analysis for educational, off-table study. Follow the rules of the poker service and jurisdiction relevant to you, and do not use training assistance where it is prohibited. Our [solver study and RTA guide](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) summarizes current PokerStars and GGPoker policies. Using GTO Gecko for Structured Review GTO Gecko’s official store listings describe preflop and postflop solver tools, interactive trainers, EV analysis, performance statistics, and a leak finder for Cash, MTT, and Spins study. Feature access can depend on platform and subscription, so check the [current App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) or [Google Play listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) before choosing a plan. The useful workflow is simple: train, filter, inspect EV loss, write a rule, and retest. The tool organizes evidence; your job is to turn that evidence into a restrained strategic hypothesis. Frequently Asked Questions What is a good EV loss number? There is no universal threshold. Units, game type, stack depth, tree design, and sample composition all matter. Compare consistent samples over time and prioritize recurring losses with meaningful cost. Is EV loss more important than accuracy? Neither measure is sufficient alone. Accuracy shows how often your action matches a reference. EV loss estimates the modeled cost of the mismatches. Review both alongside sample size. How many hands do I need before identifying a poker leak? No fixed count works for every spot. Common situations stabilize sooner than rare branches. Look for repeated decisions under comparable conditions, then verify the pattern with fresh training examples. Does a mixed strategy count as a mistake? Not automatically. If several actions are present in the solution and close in EV, choosing a lower-frequency action may have little cost. Review the EV gap and the range logic, not only the highest displayed frequency. Can a leak finder app replace hand review? No. A leak finder app can rank patterns and surface examples, while hand review supplies context and explanation. They work best as parts of the same GTO training process. Try a Focused Review Choose one position pair and one postflop pattern, complete the 15-minute loop, then schedule a blind retest. If you want solver exploration, guided training, EV analysis, and leak review in one workflow, [open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type). Disclosure: This article is published by GTO Gecko and describes an educational workflow involving its product. It is not an independent product review. All numerical examples are invented, and no performance or financial outcome is promised. Sources - [Apple App Store: GTO Gecko — official product listing](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [Google Play: GTO Gecko — official product listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [Yang et al.: Testing boosts classroom learning — systematic and meta-analytic review](https://pubmed.ncbi.nlm.nih.gov/33683913/) - [Roediger and Butler: The critical role of retrieval practice in long-term retention](https://pubmed.ncbi.nlm.nih.gov/20951630/) - [Trumble et al.: Systematic review of distributed practice and retrieval practice](https://pubmed.ncbi.nlm.nih.gov/37615780/) ### Poker Solver vs GTO Trainer: What’s the Difference? https://gtogecko.com/blog/poker-solver-vs-gto-trainer Short answer: A poker solver calculates a strategy for a precisely defined game tree; a GTO trainer asks you to make decisions against solver-derived answers, then grades your decisions and re-serves the spots. A study plan can combine both: use the solver for investigation and the trainer for retrieval practice. Poker Solver vs GTO Trainer: Precise Definitions A poker solver is a research tool. You define a model of a poker situation, and the software searches for an approximate equilibrium strategy within that model. Its inputs may include positions, starting ranges, stack depth, pot size, rake, antes, the board, allowed bet sizes, and the actions available on later streets. Its output usually shows action frequencies, expected value (EV), ranges, and sometimes exploitability. The word model matters. A solver does not solve every possible version of poker at once. It solves an abstraction based on the inputs and action tree it receives. Exclude a 125% pot bet, use an unrealistic calling range, or enter the wrong rake, and the answer may be internally correct but poorly matched to your game. Solver output is conditional evidence, not universal truth. A GTO trainer is a practice tool. It samples decisions from a library of solved spots, asks what you would do, and compares your choice with the reference strategy. A useful GTO poker trainer reports more than “right” or “wrong.” It shows EV loss, alternative actions, the full range, and patterns behind the recommendation. Some trainers also repeat weak spots and track performance by position, street, or pot type. The distinction is simple: a poker solver produces or exposes strategy ; a GTO trainer helps you retrieve and apply strategy . What the Research Actually Supports Modern poker solving grew from research into imperfect-information games. The foundational 2007 paper [“Regret Minimization in Games with Incomplete Information”](https://proceedings.neurips.cc/paper_files/paper/2007/hash/08d98638c6fcd194a4b1e6992063e944-Abstract.html) introduced counterfactual regret minimization (CFR), a method for approaching equilibrium in two-player zero-sum extensive-form games. Not every commercial solver publishes its exact implementation, but CFR and related methods underpin much of modern poker-AI research. Later systems demonstrated what large-scale self-play and search could achieve. [DeepStack](https://poker.cs.ualberta.ca/17science.html) defeated professional players in heads-up no-limit hold’em, while [Pluribus](https://pubmed.ncbi.nlm.nih.gov/31296650/) achieved superhuman results in six-player no-limit hold’em. These are important research milestones, but they do not make every solver configuration correct. The quality of a study answer still depends on the game model, abstraction, solve accuracy, and inputs. Poker Solver and GTO Trainer Compared Criterion Poker solver GTO trainer Purpose Research a strategy for a defined situation Practice decisions against a reference strategy Inputs Ranges, stacks, board, rake, pot, bet sizes, and game tree Game format, position, stack depth, spot filters, and training mode Outputs Frequencies, EV, ranges, and strategy trees Grades, EV loss, explanations, accuracy, and progress data Custom spots Usually strong, provided you build the inputs correctly Usually limited to the trainer’s solved library Repetition Manual analysis rather than repeated testing Designed for focused drills and repeated recall Feedback Detailed strategy data that you must interpret Immediate feedback on your chosen action Best use Investigating why strategies change Building reliable habits in recurring spots Which One Should You Use? Start with a GTO trainer if you are new to structured poker study, have limited study time, or mainly want to review common spots. A trainer removes setup work, gives you a decision to retrieve, and makes repeated errors visible instead of leaving you to browse range grids without a question. Start with a poker solver if you need to study custom stack depths, unusual rake, nonstandard bet sizes, or a line that is missing from presolved libraries. Solvers are also better for coaches and advanced players who want to change one variable at a time and see how the strategy responds. Use both if you study regularly. The solver answers “what changes, and why?” The trainer answers “can I recognize this pattern without the solution open?” Our [GTO app comparison](https://gtogecko.com/blog/best-gto-apps-platforms) explains how current platforms combine these functions. The Solve, Explain, Drill, Review Workflow A solver and trainer create the most value when they form one feedback loop. - Solve: Choose a frequent situation and confirm the exact configuration. Check positions, stack depth, ranges, rake, board, and allowed sizes. If you use a presolved library, verify that its assumptions match the game you want to study. See our [guide to using a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) for a deeper input checklist. - Explain: Compare the entire range, not only the hand you held. Write one or two transferable observations: which player has the range or nut advantage, which hands need protection, and which blockers influence bluffs or calls. This turns an output into a principle. If the theory is unfamiliar, begin with [what GTO poker means](https://gtogecko.com/blog/what-is-gto-poker). - Drill: Practice a narrow family of related spots. Keeping the position and pot type stable reduces setup differences and makes errors easier to compare. When the solution mixes, focus on EV and strategic thresholds rather than trying to reproduce an arbitrary 63/37 split perfectly. - Review: Group mistakes by cause. Did you use the wrong size, fold too much from one position, or misunderstand a particular board texture? Revisit repeated errors in the solver, update your rule, and drill the same family again. A Practical Weekly Loop Pick one common configuration on Monday. Study its range patterns, drill it for ten to fifteen minutes on three days, then review your largest EV losses at the end of the week. Keep the configuration until you can explain your errors clearly; accuracy alone can hide guessing. Guidance for Beginners Beginners should usually learn preflop first. Opening, calling, 3-betting, and defending ranges repeat constantly and create the ranges used in every postflop solve. Use a focused [preflop trainer routine](https://gtogecko.com/blog/preflop-trainer-guide), then move to common single-raised pots before studying rare river branches. Keep sessions short enough to remain attentive. Learn pure actions and broad thresholds before exact mixed frequencies. When a trainer marks a decision wrong, ask whether the error came from hand strength, range interaction, blockers, sizing, or stack depth. That question is more valuable than memorizing the correct answer. Buying Checklist for a Solver or Trainer - Solution assumptions: Can you see positions, ranges, stacks, rake, antes, and allowed bet sizes? - Relevant coverage: Does the library match your cash, MTT, or Spin format and usual stack depths? - Useful grading: Does feedback show EV loss and alternative actions, not only a red or green label? - Range context: Can you inspect how the whole range plays after answering? - Custom research: Can you solve or inspect spots outside the standard library when necessary? - Focused repetition: Can you filter drills and return to mistakes instead of receiving only random hands? - Review tools: Are errors grouped by street, position, pot type, or another actionable category? - Access and cost: Does it work on the devices you study with, and does the tier you are evaluating include the advertised features? A polished interface cannot repair a mismatched abstraction. Before comparing feature counts, confirm that the underlying solutions represent the games you actually study. Poker Solver vs GTO Trainer FAQ Is a GTO trainer also a solver? Not necessarily. Some trainers only serve decisions from a fixed presolved library. Others include both a library and a custom solver. Check whether “solver” means running new configurations, browsing existing solutions, or simply viewing a range chart. Is a poker solver more accurate than a trainer? Accuracy depends on the reference solution and configuration, not the interface. A trainer backed by a well-matched, accurately solved library may be more accurate than a custom solve built with poor ranges or missing bet sizes. Can a GTO trainer replace a solver? For learning common preflop and postflop patterns, often yes. It cannot fully replace a solver when you need a custom stack, rake structure, range, or action tree that its library does not contain. Should beginners buy a solver? Most beginners should start with a trainer and a range library. Add custom solving after you can describe ranges, EV, and why inputs change the result. Otherwise, the extra control can create more confusion than insight. If you are earlier than that, our roundup of the [best poker apps for beginners](https://gtogecko.com/blog/best-poker-apps-for-beginners) starts with the free ones. Can I use a solver or trainer while playing? This article covers off-table education only. Do not use real-time assistance during active play. Follow the rules of the poker room or platform you use. Our guide to [poker solvers and real-time assistance](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) compares current policies and gives a safer study workflow. Use the Right Tool for Each Part of Learning A solver is a laboratory; a trainer is a practice room. Research a well-defined spot, extract a simple principle, drill that principle, and review the errors that remain. That loop is more reliable than collecting outputs or playing endless quizzes without understanding them. GTO Gecko combines presolved preflop and postflop libraries, custom configurations, interactive trainers, EV-based feedback, explanations, and progress review. You can examine the current feature set on the [official GTO Gecko product page](https://gtogecko.com/), [start a web study session](https://play.gtogecko.com/login?from=/welcome/game-type), or view the mobile versions on the [Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Disclosure: GTO Gecko publishes this article and builds the product mentioned above. The solver-versus-trainer definitions, research references, and buying criteria apply regardless of which software you choose. Product features and availability can change; verify current details on the official product and store pages. Sources - [Zinkevich et al., “Regret Minimization in Games with Incomplete Information,” NeurIPS 2007](https://proceedings.neurips.cc/paper_files/paper/2007/hash/08d98638c6fcd194a4b1e6992063e944-Abstract.html) - [University of Alberta Computer Poker Research Group, DeepStack](https://poker.cs.ualberta.ca/17science.html) - [Brown and Sandholm, “Superhuman AI for Multiplayer Poker,” Science 2019 — PubMed](https://pubmed.ncbi.nlm.nih.gov/31296650/) - [GTO Gecko official product page](https://gtogecko.com/) - [GTO Gecko on the Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) ### Preflop Trainer Guide: Learn GTO Ranges That Stick https://gtogecko.com/blog/preflop-trainer-guide A preflop trainer turns solved ranges into repeatable decisions. Instead of only reading a chart, you choose an action for a specific hand, position, stack, and format, then receive immediate feedback. That active loop helps you find weak spots, revisit them, and make range decisions easier to recall without the chart in front of you. Disclosure: This guide is published by GTO Gecko, which makes the trainer discussed below. We use our product as an example while separating general buying advice from product-specific claims. What Does a Preflop Trainer Do? A preflop trainer gives you poker decisions to solve before the flop. It might deal you A ♠ J ♠ on the Button after the Cutoff opens, or 8 ♥ 8 ♣ in the Big Blind facing a Small Blind raise. You choose an action, such as fold, call, raise, or shove, and compare it with a solved strategy. This makes a trainer different from a range explorer. An explorer answers, “What is the strategy here?” A trainer asks, “Can you produce that strategy without looking?” Both matter. Browsing builds understanding; practice tests whether you can retrieve it. A useful preflop range trainer should cover more than unopened pots. Real preflop study also includes blind defense, facing an open, 3-bet pots, 4-bet decisions, squeeze spots, and short-stack push-or-fold situations. If you need the underlying concepts first, start with our guides to [understanding poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) and [preflop opening-range charts](https://gtogecko.com/blog/preflop-charts-opening-ranges). Preflop Charts and Trainers Solve Different Problems Tool Best used for Main limitation Static chart Looking up a range quickly and seeing its overall shape Easy to read passively without testing recall Range explorer Comparing positions, stacks, actions, and hand combinations Still shows the answer before you commit to a decision Preflop trainer Practicing decisions, receiving feedback, and tracking recurring errors Less useful when you do not yet understand the range being trained Static charts are not outdated. They are excellent reference material. The problem begins when reading a chart feels like learning it. Recognition is easier than recall: a hand may look obvious when the colored grid is visible, then feel uncertain when the chart disappears. This switch from seeing an answer to producing one uses retrieval practice. A [review of retrieval-practice research](https://pubmed.ncbi.nlm.nih.gov/20951630/) supports testing with corrective feedback for longer-term retention, although it does not test poker ranges or any specific trainer. The practical answer is to combine them. Study the range shape first. Notice where suited aces, pocket pairs, broadways, and suited connectors enter or leave the range. Then close the chart and drill the same spot in a trainer. Return to the chart only when your result shows a pattern you cannot explain. Choose the Correct Configuration Before You Practice A trainer will happily give you precise feedback for the wrong game. That is worse than it sounds, because you may confidently learn a range that does not match the situation you actually play. Check these settings before every GTO preflop session: - Format: Cash games, multi-table tournaments, and Spins have different structures. - Positions: Button versus Big Blind is not interchangeable with Cutoff versus Big Blind. The starting ranges differ before any response is considered. - Effective stack: A 20bb decision can be very different from a 100bb decision. Match the effective stack against the relevant opponent; in multiway pots, effective stacks can differ by player. - Rake: Cash-game rake changes the value of calling, especially from the blinds. Match the rake model when the tool offers that choice. - Antes: Antes add dead money and can widen some opening and defending ranges. A non-ante chart should not be treated as an ante strategy. - Action and sizing: Record who opened, the open size, any callers, and the available raise sizes. A 2x open and a 3x open do not create identical responses. Create one short label for the configuration before starting, such as “MTT, 25bb, Button versus Big Blind, ante.” If you cannot name the spot clearly, you are not ready to interpret the answer. This small habit also makes your review notes much more useful. What Useful Trainer Feedback Should Contain A red “wrong” label is not enough. Useful feedback helps you understand both the decision and the size of the mistake. - The recommended actions: Include every action used by the solution, not only the most common one. - Action frequencies: Show whether a hand is pure or mixed. Choosing a lower-frequency action is not automatically the same as making a clear error. - Decision cost: EV loss or another severity measure helps separate close choices from larger mistakes. - Range context: Let you inspect nearby hands so you can learn a boundary, rather than memorizing one isolated combo. - A useful explanation: Connect the answer to position, stack depth, blockers, hand class, or range interaction. - History: Keep enough session data to show which positions and spot types repeatedly cause problems. GTO Gecko’s current [App Store listing](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) and [Google Play listing](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) describe preflop quizzes, range exploration, feedback, performance statistics, and coverage across cash, MTT, and Spins configurations. Those are useful features to compare when evaluating any preflop trainer app . Use the Solve, Explain, Drill, Review Loop Random repetition can improve familiarity, but a simple four-stage loop makes each session more deliberate. - Solve: Open the correct range and inspect its structure. Look for boundaries: which offsuit aces enter, where suited kings disappear, and which pairs mix between actions. - Explain: Choose three representative hands and explain their actions in plain language. For example: “If A5s raises in this specific solution, one reason may be that it blocks strong continuing aces and retains suited playability.” Keep the explanation tied to the spot. - Drill: Hide the answer and make decisions. Commit before checking feedback. If you reveal the solution while still deciding, you are browsing again rather than training. - Review: Group errors by pattern. Revisit the relevant part of the range, write one rule in your own words, and schedule that spot for another short session. Spread those reviews over multiple days instead of doing one long cram session. A large meta-analysis of distributed practice found that spacing learning episodes can improve later retention, although the research examined verbal recall rather than poker decisions. It supports the general study principle, not a claim that a particular schedule guarantees poker improvement. See [Cepeda et al. on distributed practice](https://pubmed.ncbi.nlm.nih.gov/16719566/). Track Errors That Tell You What to Study Next Accuracy alone can hide the real issue. A score of 80% might reflect one narrow leak or uncertainty across several unrelated spots. Tag errors using categories you can act on: - Position: Early position, late position, Small Blind, or Big Blind - Action: Raise first in, facing an open, 3-bet, 4-bet, squeeze, or push/fold - Hand family: Pocket pairs, suited aces, offsuit broadways, suited connectors, or marginal offsuit hands - Configuration: Format, effective stack, ante, and rake model - Error type: Forgot the boundary, misunderstood the reason, selected the wrong sizing, or used the wrong configuration - Severity: Clear error, close decision, or acceptable mixed action Review patterns, not embarrassing individual hands. If most errors come from defending the Big Blind at 25bb, that is your next study block. There is little value in drilling Button opens simply because they produce a nicer score. A 15-Minute Preflop Training Routine - Minutes 0–2: Configure. Select one format, position pair, stack depth, and action. Do not mix unrelated spots. - Minutes 2–6: Study. Inspect the range and explain two or three boundaries without copying the chart’s colors into a note. - Minutes 6–13: Drill. Make each decision before viewing feedback. Slow down when a hand is close. - Minutes 13–15: Summarize. Record the main error pattern and one spot to revisit in a later session. Three focused sessions across a week are usually more manageable than one long session. Keep the configuration narrow until your decisions and explanations become stable, then change one variable. Moving from 25bb to 20bb is easier to learn from than switching format, position, stack, and action at once. Preflop Trainer Buying Checklist Before subscribing to any trainer, check the product against the games you actually study: - Does it cover your format, positions, stack depths, antes, rake, and common sizings? - Can you browse the underlying GTO ranges as well as drill them? - Does feedback show frequencies and mistake severity instead of a simple right-or-wrong result? - Can you filter practice by a weak position or action? - Does it save useful history and make recurring errors easy to find? - Is the interface practical on the device you use for study? - Are pricing, renewal terms, and included formats clear before purchase? - Is it designed for educational, off-table study rather than real-time assistance? A larger library is helpful only when its configurations match your games and you can navigate them reliably. Prefer clear spot labels and actionable review tools over a headline number of solutions. Frequently Asked Questions Can a preflop trainer replace charts? No. Charts and range explorers are better for seeing the complete strategy and understanding its shape. A trainer is better for testing recall and finding errors. Use the chart to learn, the trainer to practice, and the chart again to diagnose mistakes. Is there a free preflop trainer? Yes. GTO Gecko’s current free account includes preflop range browsing and a daily trainer allowance, so you can test the workflow before choosing a paid plan. Access limits can change; check the [current product page](https://gtogecko.com/), then [open the trainer](https://play.gtogecko.com/login?from=/welcome/game-type) when you are ready to practice. Should I memorize every mixed frequency? Not at first. Learn the large, stable boundaries and pure actions before worrying about small frequency differences. When a hand mixes, understand which actions are acceptable and why. Exact frequency work becomes more useful after the surrounding range is familiar. Which preflop spots should a beginner train first? Start with raise-first-in ranges by position, then Button versus Big Blind and Big Blind defense against late-position opens. Add facing 3-bets after you can describe your opening ranges. Tournament players should also study the stack depths they encounter most often. Can I use a preflop trainer while playing? Treat it as an off-table study tool. Do not use charts, solvers, or trainers for real-time assistance during play. Poker rooms set their own rules; read our [guide to current solver and RTA policies](https://gtogecko.com/blog/are-poker-solvers-allowed-rta), then check the rules of the room or event you use. Is a trainer the same as a poker solver? No. A solver calculates or stores strategies; a trainer turns selected solutions into decisions you can practice. Some products combine both functions. Our [poker solver versus GTO trainer guide](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) explains when to use each one. Start With One Range, Not Every Range Choose one configuration you regularly play. Study its shape, explain its boundaries, drill it for 15 minutes, and review the mistakes later in the week. When you are ready to practice, [open the GTO Gecko trainer](https://play.gtogecko.com/login?from=/welcome/game-type) and keep your first session deliberately narrow. Sources - [GTO Gecko: Poker Wizard — Apple App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434) - [GTO Gecko: Poker Wizard — Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - [Cepeda et al. (2006), “Distributed practice in verbal recall tasks: A review and quantitative synthesis,” Psychological Bulletin — PubMed](https://pubmed.ncbi.nlm.nih.gov/16719566/) - [Roediger and Butler (2011), “The critical role of retrieval practice in long-term retention” — PubMed](https://pubmed.ncbi.nlm.nih.gov/20951630/) - [GTO Gecko official product page](https://gtogecko.com/) ### Poker Bankroll Management for Aspiring Pros https://gtogecko.com/blog/bankroll-management-for-pros Going pro means treating your bankroll like business capital that cannot be allowed to hit zero. A dedicated, properly sized roll absorbs variance, protects your mental game, and decides when you climb or retreat through the stakes. This guide gives you the numbers: how many buy-ins each format demands, the risk-of-ruin math behind those numbers, and the working rules on stop-losses, shot-taking, and tracking that separate sustainable careers from busted dreams. Why Does Bankroll Management Matter? Bankroll management matters because your edge only pays off if you survive long enough to collect it. By capping how much of your roll any single session or tournament can burn, you ensure that a normal downswing, which hits every winning player eventually, cannot end your career. It turns poker from a gamble into a business with controlled drawdowns. The math behind this is risk of ruin: the probability that a player with a positive win rate still goes broke before the long run arrives. Risk of ruin rises with variance and falls with win rate and bankroll size. Online play carries more variance per hour than live play because you see several times as many hands, often across multiple tables, so online professionals need bigger rolls for the same stakes. There is a second, quieter benefit. A properly sized roll keeps you off scared money. Players who fear the next buy-in stop value betting thin, stop bluffing rivers, and start nursing stacks. The bankroll exists so that no single pot ever feels important enough to distort a decision. How Many Buy-Ins Do You Need? For online no-limit cash games, 100 buy-ins is the working professional standard. Live cash needs roughly 40 buy-ins, single-table sit-and-gos around 60, and multi-table tournaments 200 to 400+ depending on field size. If poker pays your rent, lean toward the cautious column below; going broke always costs more than moving down. Format Minimum Standard Cautious Online NLHE cash 50 BI 100 BI 150 BI Live NLHE cash 20 BI 40 BI 60 BI PLO cash (6-max) 50 BI 100 BI 150 BI Single-table SNGs 40 BI 60 BI 100 BI MTTs (fields under 1k) 100 BI 200 BI 300 BI Large-field MTTs (1k+) 200 BI 400 BI 600 BI One buy-in (BI) = a 100bb cash-game buy-in or one tournament entry fee. The spread between formats comes down to variance. Live cash swings less than online simply because you play fewer hands per hour. PLO needs rolls at the top of the cash-game range because equities run closer together and pots balloon. Turbo SNG formats need roughly 25% more than the table shows. For tournaments, field size is the dominant driver: the bigger the field, the rarer the big score that carries your ROI, and the longer the dry stretches between them. Core Principles for Aspiring Pros - Segregate funds. Keep poker money in a separate account or e-wallet. It is not an emergency fund, and your rent money is not a reload. - Cap single-event exposure. A famously conservative template, popularized by Chris Ferguson's bankroll challenge, is never risking more than 5% of your roll on one buy-in. Large-field MTT players should run far tighter, closer to 0.5-1% per entry. - Think in buy-in multiples, not dollar goals. Buy-ins scale automatically with stakes and make move-up and move-down rules mechanical instead of emotional. - Track everything. Log every session: stake, hours, result. For tournament re-entries, [reconcile every entry charge with the event prize](https://gtogecko.com/blog/poker-re-entry-roi) before recording the net result. Downswings Are Bigger Than You Think A solid online cash winner at 5bb/100 with a standard deviation near 90bb/100 should treat 20-30 buy-in downswings as routine and expect at least one 50 buy-in stretch over a long career. Large-field tournament players face worse: downswings of 100-200 buy-ins are normal even for players with a genuinely strong ROI. Those numbers are why the table above looks conservative to newer players. The trap is that a downswing never announces itself; in the moment, 30 lost buy-ins are indistinguishable from a lost edge. A roll sized for real variance buys you the time to figure out which one you are living through, with your stake intact. Tournament players can put numbers on this directly. Our free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) converts your ROI, average field size, and buy-in into a concrete roll target. And if your roll is too small for the fields you want to play, [satellites](https://gtogecko.com/blog/poker-satellites) offer a cheaper, lower-variance path into them. Moving Up and Moving Down Move up when you hold the full requirement for the next stake plus a buffer of around 10%, and your tracked results show a real win rate over a meaningful sample. Move down the moment your roll falls below the floor for your current stake. Write both triggers down now, because you will not want to obey them later. Shot-taking is the controlled exception. Allocate a fixed slice, around 5% of your roll, for a planned shot at the next stake. Define the stop point before you start. If the shot misses, retreat without drama; the slice was the price of information. Aggressive plans like 20 buy-ins for online cash can boost your hourly when they work, but they belong only to players with a proven edge, reliable outside income, and a strict stop-loss. Game selection bends the numbers too. Higher rake and tougher pools shrink your edge and stretch every downswing, so pad the roll or pick softer games. In weaker pools, well-chosen [exploitative deviations](https://gtogecko.com/blog/gto-vs-exploitative) raise your win rate, and a higher win rate is the single best variance reducer there is. Risk of Ruin in One Minute The classical risk-of-ruin model says your bust probability shrinks exponentially as your bankroll grows and your edge improves. Two practical consequences follow. First, bankroll requirements scale with variance divided by win rate, which is why high-variance formats and thin edges both demand more buy-ins. Second, doubling your bankroll squares your risk of ruin: a 5% bust chance becomes 0.25%. Modest discipline buys disproportionate safety, which is the entire argument for rebuilding patiently after a downswing instead of taking revenge shots. Protect the Player, Not Just the Roll Bankroll rules fail at the table, not in the spreadsheet, so build guardrails for the human running the strategy: - Use stop-losses. Two to three buy-ins per session online, one to two live. Nothing in the data says you play well during the fourth buy-in of a losing night. - Keep living expenses separate. Hold at least three months of costs outside the roll. Scared money plays scared poker. - Manage tilt before it manages you. Most catastrophic bankroll damage happens in single tilted sessions. Our [poker tilt and mental game guide](https://gtogecko.com/blog/poker-tilt-mental-game) covers triggers and exit rules. - Review weekly. If win rate or ROI sags, move down before the chart forces you to. Prove Your Edge Before You Bet It No bankroll plan saves a losing player; the rules above only buy time for an edge to show up. So before any move up, verify the edge exists. Study [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker), check your biggest pots against [solver output](https://gtogecko.com/blog/how-to-use-poker-solver), and drill until your accuracy is measurable rather than assumed. Measurement is the part most players skip. GTO Gecko's trainers score every decision against the solver and track per-street accuracy, a position matrix, and pot-type leaks, so you can see whether your river play or blind defense is actually ready for the next stake. You can [drill daily free trainer hands on GTO Gecko](https://play.gtogecko.com/) with no credit card and watch those stats move before you risk a shot. A Step-by-Step Plan - Establish a vetted edge first: study, drill, and put in a meaningful sample (100k+ hands online) before calling yourself a winner. - Seed the bankroll with money whose loss would not touch your lifestyle. - Pick your main format and adopt the standard column from the table above. - Log every session and graph the trend, separating variance from performance. - Move up only when rolled; take planned shots with a 5% slice and a defined stop. - Reassess quarterly. If your win rate, living costs, or target stakes change, the buy-in targets change with them. Common Pitfalls to Dodge - Under-funding large-field MTTs. Variance kills rolls that lack 300+ buy-ins for big fields. - Refusing to move down. Pride is expensive. Bankrolls rebuild faster at stakes you beat comfortably. - Blending poker and personal money. One bad month then threatens both budgets at once. - Treating a heater as proof. Three winning weeks is noise. Move up on the trigger, not the high. Bankroll Management FAQ How many buy-ins do you need to play poker professionally? As a working baseline: 100 buy-ins for online cash games, 40 for live cash, 60 for sit-and-gos, and 200-400+ for multi-table tournaments depending on field size. Professionals who rely on poker income should add 50% to those numbers, because they cannot simply reload from a salary after a bad month. What is risk of ruin in poker? Risk of ruin is the probability that a winning player goes broke anyway, because variance outruns the bankroll before the edge can assert itself. It grows with variance and shrinks as your win rate and roll grow. The classical model has one memorable property: doubling your bankroll squares the bust probability, so 5% becomes 0.25%. What is a good stop-loss for poker? Two to three buy-ins per session for online cash, one to two for live. A stop-loss exists because after several buy-ins of losses, most players' decision quality degrades while their aggression rises. A hard stop converts an average tilt night into a survivable one and leaves the roll ready for tomorrow. When should you move up in stakes? When two conditions hold at once: your roll covers the full requirement for the next stake with about a 10% buffer, and your tracked results show a positive win rate over a real sample, not a hot fortnight. If either condition breaks after you move, drop back down immediately and rebuild. Should your bankroll be separate from your living money? Yes, completely. Keep the roll in its own account and hold at least three months of living expenses outside it. The separation works in both directions: bills can never force you to play stakes you are not rolled for, and a downswing can never threaten the rent. Bankroll management is the least glamorous skill in poker and the most load-bearing. The players who last a decade are rarely the most talented; they are the ones whose roll never met a risk it could not absorb. Set the rules while you are level-headed, write them down, and let them make the hard calls for you. ### Best GTO Poker Trainer Apps in 2026 (Tested & Compared) https://gtogecko.com/blog/best-gto-apps-platforms Every GTO trainer app promises the same thing: drill solver-approved spots until correct play becomes automatic. Most of them deliver something much weaker, a quiz that tells you "right" or "wrong" and moves on. The difference between the two is the difference between actually fixing leaks and just feeling productive. Full disclosure before we start: we build GTO Gecko, one of the apps in this ranking. We are obviously not neutral about our own product. What we can do is be honest about everyone else's, including where competitors beat us. Several of these tools are genuinely excellent for specific player types. Every price in this article was checked against the vendor's site or 2026 press coverage in June 2026. If you are new to solver-based study, read our primer on [what GTO poker actually means](https://gtogecko.com/blog/what-is-gto-poker) first. This article assumes you know why you want a trainer and just need to pick one. What Makes a GTO Poker Trainer Actually Work? A good GTO trainer needs three things: EV-loss grading that measures how much each mistake costs rather than flagging it right or wrong, adaptive repetition that re-serves the specific spots you misplay, and range context that shows how your whole range plays the node rather than your two cards in isolation. Most apps ship only the first. EV-loss feedback, not a binary grade Solvers mix. In thousands of spots, the "correct" play is 60% bet, 40% check, and picking either one is fine. A trainer that marks the 40% option as an error teaches you fake precision. Worse, it weights a 0.1bb mistake the same as a 4bb punt. EV-loss grading fixes both problems. It tells you that calling instead of raising cost 0.3bb, while folding would have cost 2.1bb. Over a 500-hand session, that becomes a ranked list of your most expensive habits, which is the entire point of training. Spaced repetition of your mistakes, not random hands Random drilling is cardio. Targeted drilling is surgery. If you butcher turn probes from the big blind, a trainer that keeps dealing you button opens is wasting your time. The best apps track which node types you misplay and quietly feed them back to you until your error rate drops. This is the single biggest gap between trainers in 2026. Plenty of apps log your accuracy. Very few change what they deal you because of it. Range context: the "why" behind the answer Knowing the solver checks A ♥ 5 ♥ here is trivia. Knowing it checks because your range is condensed, your hand unblocks the calling range, and the turn card shifted nut advantage to your opponent is strategy. You can only learn the second kind from a trainer that shows the full range matrix at every decision and explains the drivers behind the action. If a trainer never shows you [how your entire range plays the spot](https://gtogecko.com/blog/understanding-ranges-in-poker), you are memorizing flashcards. The patterns never transfer to boards you have not seen. The Best GTO Trainer Apps in 2026, Compared Seven trainer apps are worth your money in 2026: GTO Gecko, GTO Wizard, DTO Poker, Lucid GTO, Octopi Poker, Postflop+ and GTOBase. They differ sharply on price (from $9.99 to $199 per month), format coverage, and how seriously they take the three criteria above. Here is the short version. App Best for Price (June 2026) GTO Gecko All-in-one trainer + solver on every device $24.99–$39.99/mo; annual from ~$12.50/mo GTO Wizard Pros who want the deepest ecosystem $39–$199/mo DTO Poker MTT drilling on a budget $9.99–$99.99/mo Lucid GTO Simple cash drills on any OS $49/mo or $490/yr Octopi Poker Coaching, community, real pro hands $200–$600/yr Postflop+ (ThinkGTO) Casual mobile-only practice $14.99/mo or $199.99 lifetime GTOBase High-stakes regs who want raw speed $100–$150/mo 1. GTO Gecko: best all-in-one trainer and solver Yes, this is our app, so apply whatever discount you like to this section. Here is the factual case. GTO Gecko ships three trainers, not one: a preflop trainer, a postflop trainer, and a full-hand trainer that plays complete hands from deal to river. All three grade by EV loss, track an ELO rating so you can watch your level move over time, and adaptively re-serve the spots you misplay. The library behind them covers preflop ranges and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, with true 3-way multiway postflop solutions, which almost no trainer on this list offers. A built-in on-device solver handles custom spots the library does not, and the assumptions and verification behind the whole library are documented publicly in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). The feature we are proudest of is explainability. A machine-learning layer (SHAP factor analysis) explains in plain English why the solver action is right: range advantage, blockers, equity distribution, stack depth. It turns every drilled hand into a small theory lesson instead of an answer to memorize. A statistics suite ties it together with per-street accuracy, a position matrix, pot-type leak detection, hand review with replay, and comparison against the player pool. ICM range compare is included, and ICM-aware MTT solutions are available in the Elite tiers. It runs as a web app at play.gtogecko.com, on iOS, on Android, and as a native macOS app, with one subscription covering all of them in sync. As of June 2026 a single format (Cash, MTT, or Spin & Go) costs $24.99/month, $49.99/quarter, or $149.99/year (about $12.50/month). All-access to all three formats is $39.99/month, $79.99/quarter, or $239.99/year (about $20/month). There is also a permanent free tier with no credit card: full preflop range browsing, daily free trainer hands, and free web tools like a poker odds calculator. Current standing: 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), 22,500+ players in 175 territories. Honest weaknesses: there is no nodelocking, the content ecosystem (videos, courses, articles) is far smaller than GTO Wizard's, and the main app has no PLO. Omaha players get a separate sister app, PLO Edge, which is mobile-only and covers a PLO preflop solver, preflop trainer, and postflop trainer at a flat monthly price. You can [try the trainers and browse the full preflop library on GTO Gecko](https://play.gtogecko.com/) in the browser, or grab the mobile apps on the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) and [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). 2. GTO Wizard: the deepest ecosystem, at the steepest price GTO Wizard is the market leader, and it earned that position. The solution library is enormous, the AI solver is fast, nodelocking lets you model opponent mistakes, Table Wizard overlays study onto your sessions, and it covers PLO and 3-way spots. The trainer itself is polished, grades by EV loss, and the surrounding content machine publishes serious strategy articles every week. If money is not a constraint, it is the most complete poker study platform ever built. Money is the catch. After the March 2026 price increase, plans run from $39/month for Starter (cash only) to $99/month for Premium and $129–$199/month for the Elite tiers, as of June 2026. Premium and Elite went up $10–$20 per month, and the pricing has become a running complaint on every poker forum. A serious MTT player needs Premium at minimum, which is roughly $1,200 a year before any Elite features. We break down every tier in our [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing), and if you want the direct matchup, here is [GTO Gecko vs GTO Wizard feature by feature](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). Pick Wizard if you are a professional who will use nodelocking, aggregate reports, and custom solves weekly. For drilling alone, you can match the training outcomes for a third of the price elsewhere. 3. DTO Poker: trainer-first MTT drilling on a budget DTO was built as a trainer before anything else, and its tournament DNA shows. The drilling flow is clean, the MTT spot selection is strong, and the entry price is the lowest of any serious tool here: the ladder runs from $9.99/month to $99.99/month as of June 2026, with tiers separated by stakes level and spot count (roughly 31 spots at the bottom tier, 87 at the top). Two caveats. First, the cheap headline price is not the real price: lower tiers cap your spot library and hold back the advanced evaluation features, so a grinding regular ends up in the $29.99+ range quickly. Second, the product is tournament-shaped. The cash side is thinner, there is no PLO, and the content layer around the trainer is sparse. Our full [DTO Poker review](https://gtogecko.com/blog/dto-poker-review) goes deeper on the tier ladder. For a low-stakes MTT player who wants pure drilling and nothing else, DTO at $9.99–$29.99/month is genuinely good value. 4. Lucid GTO: the simplest cross-platform cash trainer Lucid, co-founded and heavily promoted by Doug Polk, is the trainer to recommend to someone who finds solver interfaces hostile. Drills are clean, feedback is instant, the simulator browser sits on 100+ million solved hands, and a daily Cardle quiz keeps casual users coming back. It runs everywhere: Windows, Mac, Linux, iOS, Android, and the browser. Pricing is refreshingly flat: Pro is $49/month or $490/year as of June 2026, and a permanent free Basic tier includes unlimited preflop solves plus five postflop queries a day, one of the most generous free offerings in the industry. The limits are scope. There is no PLO, and tournament ICM support is still listed as planned rather than shipped, so MTT players should look elsewhere. Lucid is a cash-game tool with a cash-game worldview, and within that lane it is very good. 5. Octopi Poker: study group, coaching, and real pro hands Octopi, founded by high-stakes pro Andrew Lichtenberger, is less a drill machine and more a study environment. Its standout feature is the Vault: real hands from Triton, WSOP, and PGT events broken down play by play with video footage, searchable by player and situation. Add a visual game tree, a coaching marketplace featuring names like Maria Ho and Brock Wilson, and an active community layer, and you get something no other tool on this list attempts. Pricing is annual: a free Community tier, Personal at $200/year, and Professional at $600/year as of June 2026. For tournament players who learn best in groups or want structured coaching attached to their solver work, that Personal tier is strong value. The tradeoff is that pure repetition drilling is not the centerpiece. If your study plan is "1,000 graded hands a week," Octopi will frustrate you. If it is "understand how Lichtenberger plays 30bb final tables," nothing else comes close. 6. Postflop+ and the ThinkGTO suite: mobile-first, but fragmented ThinkGTO (Crafty Wheel Studios) builds a family of separate mobile apps: Postflop+, Preflop+, Solver+, GTO Ranges+, and others, with a claimed 15,000+ active players. Postflop+ is the flagship and the slickest pure-mobile postflop drill app you can put on a phone. As of June 2026 it costs $14.99/month, $99.99/year, or a one-off $199.99 lifetime license, an option almost no competitor offers. The structural problem is fragmentation. Preflop, postflop, ranges, and solving live in different apps with different subscriptions, so covering what a single all-in-one platform offers means stacking two or three of them, at which point the price advantage evaporates. There is also no deep web or desktop product, so your study lives entirely on a phone screen. For a recreational player who studies ten minutes at a time in line for coffee, one ThinkGTO app is a fine purchase. Serious players outgrow the format. 7. GTOBase: raw speed for high-stakes regs GTOBase (by SimplePoker) claims solutions for all 22,100 strategically distinct flops across cash, MTT, Spin & Go, and heads-up formats, and the viewer is genuinely fast. The trainer plays you against optimal-strategy opponents and reports your mistakes in detail. It has a loyal following among high-stakes regulars, particularly in the Russian-speaking market. It is priced like a pro tool: $150/month, dropping to $100/month on the $1,200 annual plan, as of June 2026. At that price you get no PLO, no ICM tooling mentioned anywhere on the site, and essentially no content ecosystem around the product. You are paying for solution breadth and speed, full stop. Worth a brief mention alongside these seven: GTO Strategy (formerly Odin) runs $39/month Standard or $79/month Elite as of June 2026 and leans into gamification with leaderboards and prizes, though multiway solutions and custom AI solves are locked behind the Elite tier. Which GTO Trainer Should You Choose? Match the tool to your format and budget, not to a ranking. A $9.99 DTO plan beats a $99 Wizard plan you cancel after a month. The picks below cover the common player profiles we see, based on format coverage, feedback quality, and real tier pricing. - You play cash and MTTs and want one app for everything: GTO Gecko. Three trainers, solver, stats, every platform, $39.99/month or about $20/month annually for all formats. - You are a professional who needs nodelocking and custom solves: GTO Wizard Premium or Elite. Expensive, but nothing else matches the research depth. - You grind small-stakes MTTs on a tight budget: DTO. Start at $9.99/month and upgrade only when the spot cap bites. - You play cash and want zero learning curve: Lucid GTO. Flat $49/month, runs on anything, and the free Basic tier lets you drill preflop indefinitely first. - You want coaching and a study community alongside reps: Octopi Personal at $200/year, especially for tournaments and [ICM-heavy final-table study](https://gtogecko.com/blog/icm-poker-strategy). - You study only on your phone, casually: Postflop+ with the lifetime license. Pay once, drill forever. - You play high stakes and want maximum solution breadth: GTOBase annual, if the $1,200/year does not make you flinch. Whichever you pick, drill with a plan. Start with [preflop opening ranges by position](https://gtogecko.com/blog/preflop-charts-opening-ranges) until they are automatic, then move to the postflop nodes where your database says you bleed. What About PokerSnowie, PioSolver, and the Desktop Tools? The classic desktop tools are not trainers and should not be bought as one. PioSolver ($249 Pro, $475 Edge one-time as of June 2026) is a Windows solver with no trainer, no mobile version, and no presolved library; you run every simulation yourself. It remains the pro research standard, just a different product category. PokerSnowie is the one to actively avoid as a primary trainer in 2026. It is a neural network from a previous era, not a true solver, and its recommendations diverge from solver outputs often enough that forums have questioned its accuracy for years. Our [PokerSnowie review](https://gtogecko.com/blog/pokersnowie-review) covers exactly where it goes wrong. Flopzilla and Equilab still earn their place as cheap equity calculators, but they predate the entire training-app category. If your goal is research rather than reps, read our guide to the [best poker solvers in 2026](https://gtogecko.com/blog/best-poker-solvers) and our walkthrough on [how to actually use a solver](https://gtogecko.com/blog/how-to-use-poker-solver) before spending desktop-tool money. GTO Trainer FAQ What is the best GTO poker trainer app? For most players in 2026, GTO Gecko offers the best combination of trainer quality (EV-loss grading, ELO, adaptive drilling), format coverage, and price at $24.99–$39.99/month. GTO Wizard is the strongest choice for professionals who need nodelocking and custom solves, and DTO is the best pure-budget MTT option. We build GTO Gecko, so test the free tiers of all three and judge the feedback quality yourself. Is GTO Wizard worth the price in 2026? For working professionals, usually yes: the library, nodelocking, and aggregate reports justify $99+/month if you use them weekly. For everyone else it is hard to defend after the March 2026 increase, since drilling-focused alternatives deliver comparable training feedback for $20–$50/month. Our [GTO Wizard alternatives breakdown](https://gtogecko.com/blog/gto-wizard-alternatives) maps the cheaper paths by player type. Can I practice GTO poker for free? Yes, within limits. GTO Gecko's permanent free tier includes full preflop range browsing and daily free trainer hands with no credit card. Lucid's Basic tier gives unlimited preflop solves and five postflop queries daily, and Octopi has a free Community tier. None of these replace a paid plan for volume drilling, but they are enough to evaluate each app honestly. More options in our [free GTO resources roundup](https://gtogecko.com/blog/free-gto-resources). What is the difference between a poker solver and a poker trainer? A solver computes the equilibrium strategy for a spot you define; a trainer quizzes you against strategies that have already been solved and grades your decisions. Solvers are research tools, while trainers are practice tools. See our full [solver-versus-trainer comparison](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) for the input, output, and workflow differences. Do GTO trainers actually improve your win rate? They improve the part of your win rate that comes from unforced errors, which for most players below mid-stakes is the biggest part. EV-loss grading makes the mechanism concrete: if your average loss per decision drops from 0.8bb to 0.3bb over a month of drilling, that difference shows up directly at the tables. What trainers cannot do is read souls or exploit specific opponents; that layer sits on top of the GTO baseline. Which poker trainer is best for tournaments? DTO and Octopi are the strongest MTT specialists, and GTO Gecko covers MTT drilling across all three of its trainers with ICM-aware solutions available in its Elite tiers. GTO Wizard Premium also covers tournaments deeply, at tournament-pro prices. Avoid Lucid for MTT work for now, since its ICM support is still listed as planned rather than live. The Bottom Line The trainer that wins is the one you open every day. Judge any app on three questions: does it grade by EV loss, does it re-deal the spots you misplay, and does it show you the range behind every answer? Anything that fails those tests is a quiz, not a coach. The cheapest way to decide is to drill the same ten spots in two or three of these apps and compare the feedback. You can [start with GTO Gecko's daily free trainer hands](https://play.gtogecko.com/) in your browser right now, no card required, and see what EV-loss grading with plain-English explanations feels like before you commit to anything. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Best Poker Software in 2026: Trackers, Solvers & Trainers https://gtogecko.com/blog/best-poker-software Poker software splits into three layers. Trackers record what happened at your tables. Solvers and study platforms tell you what should have happened. Trainers drill the correct play into you until it shows up under pressure. Most players buy these in the wrong order, or buy two tools from the same layer and zero from the others. This guide maps the whole ecosystem: trackers, GTO study platforms, trainers, and the equity and bankroll tools that round out a stack. Every price below was checked against the vendor in June 2026. One disclosure up front: GTO Gecko is our product. We will tell you exactly where it fits and where a competitor serves you better. What Is the Best Poker Software in 2026? The best poker software stack in 2026 is one tool per layer: PokerTracker 4 or Hand2Note 4 for tracking, a presolved GTO library such as GTO Gecko or GTO Wizard for study, and a trainer for drilling. A complete stack costs $25-$90 per month depending on your stakes, far less than most players assume. Quick picks by category: - Best tracker for most players: PokerTracker 4 ($44.99-$99.99 one-time, the only major tracker with native Mac support) - Best tracker for high-volume pros: Hand2Note 4 (subscription, the most powerful HUD engine available) - Best value GTO study + trainer combo: GTO Gecko (from $24.99/mo, that is us) - Biggest solver library: GTO Wizard (from $39/mo, premium tiers up to $199/mo) - Best custom solver: PioSolver ($249 one-time) - Best dedicated MTT trainer: DTO Poker (free tier, paid from $9.99/mo) - Best free equity tool: Equilab No single product does everything well. Anyone telling you otherwise is selling you something. How Do the Three Layers of Poker Software Fit Together? Trackers collect data from your real sessions and expose your statistical leaks. Study software shows you the [game theory optimal](https://gtogecko.com/blog/what-is-gto-poker) baseline for any spot. Trainers convert that knowledge into reflexes through repetition. Each layer answers a different question, which is why they complement rather than replace each other. A tracker answers "what am I actually doing?" It imports your hand histories and surfaces patterns you cannot see hand by hand. If you fold to river raises 85% of the time, your tracker knows it before your opponents do. A solver or study platform answers "what is correct?" You either run your own simulations (PioSolver) or browse a library of presolved solutions (GTO Gecko, GTO Wizard); our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the workflow. A trainer answers "can I execute it?" Knowing the button opens 43% of hands is not the same as opening K ♠ 5 ♠ without hesitation at second 14 of a 15-second clock. Trainers quiz you on real spots, grade your answers, and track your accuracy over time. Two smaller categories sit alongside the big three: equity calculators (Flopzilla, Equilab) for quick range-versus-range math, and bankroll tools for deciding what stakes your roll can support. Neither should eat your budget; good free options exist for both. Best Poker Trackers in 2026 The three trackers worth considering in 2026 are PokerTracker 4 ($44.99-$99.99 one-time), Holdem Manager 3 ($60-$160 one-time), and Hand2Note 4 (subscription from $15.99/mo billed yearly). PokerTracker 4 suits most players, Hand2Note 4 suits volume professionals, and Holdem Manager 3 sits between them. Full honesty: we do not make a tracker. GTO Gecko includes a statistics suite for your training hands (per-street accuracy, position matrix, pot-type leaks), but for logging real-money online sessions you want one of the three tools below. PokerTracker 4: Best for Most Players PokerTracker 4 costs $44.99 for the Small Stakes edition (capped at $0.25/$0.50 cash games), $69.99 for the full single-game version, and $99.99 for Hold'em plus Omaha, as of June 2026. The license is a one-time purchase with a year of updates included; after that, an optional support plan ($29.99-$49.99/yr) keeps updates flowing. Its strengths are real. The HUD is easy to configure, the LeakTracker module flags statistical problems automatically, the community has answered nearly every question you could ask, and one registration code covers both Windows and macOS. That last point matters: PT4 is the only major tracker that runs natively on Mac. The weaknesses are equally real. The software dates from 2012 and looks it. Databases past a few million hands get sluggish, and development moves slowly. None of that stops it from doing the core job reliably, which is why it remains the default recommendation. Hand2Note 4: Best for Professionals Hand2Note 4 moved to a subscription model: the Learner plan runs $15.99/mo billed yearly (capped at 200k hands and stakes up to $0.25 big blind cash or $20 tournaments), and the Pro plan runs $49/mo billed yearly with no restrictions, as of June 2026. What you get for that recurring cost is the strongest HUD engine in poker. Positional and dynamic HUDs show different stats depending on the exact spot, the database engine chews through tens of millions of hands without slowing down, and support for app-based games is the best in class. High-volume regs and players in private app pools treat it as standard equipment. The trade-offs: Windows only, a genuinely steep learning curve, and the highest long-term cost of the three. A Pro subscriber pays roughly $588 per year, every year, versus a one-time $70-$100 for the competition. If you are not playing serious volume, that math does not work. Holdem Manager 3: The Middle Option Holdem Manager 3 costs $60 for Small Stakes, $100 for All Stakes, and $160 for the Hold'em-plus-Omaha combo, as of June 2026. Like PT4, the one-time license includes a year of updates, then an optional maintenance fee. HM3's reporting is arguably cleaner than PT4's, and many cash-game regulars prefer its default stat layouts. But it is Windows-only, the development pace has slowed, and it does nothing PT4 cannot do for a Mac-compatible price. Buy it if you already know and like the HM workflow. Otherwise PT4 covers the same ground. Tracker Price (June 2026) Platform Best for PokerTracker 4 $44.99-$99.99 one-time Windows + Mac Most players Hand2Note 4 $15.99-$49/mo (billed yearly) Windows Volume pros, app games Holdem Manager 3 $60-$160 one-time Windows Existing HM users One caveat before you buy: check your poker site's rules, since some rooms ban HUDs outright (details in the FAQ below). And if you play live, skip this layer entirely and put the money into study software. Best GTO Solvers and Study Software in 2026 The study layer offers three approaches in 2026: GTO Wizard ($39-$199/mo) with the market's largest presolved library, GTO Gecko ($24.99-$39.99/mo) with presolved solutions plus a built-in solver across web and mobile, and PioSolver ($249 one-time) for running your own custom simulations on desktop. For a deeper head-to-head of this category, see our full breakdown of the [best poker solvers in 2026](https://gtogecko.com/blog/best-poker-solvers). The short version of each follows. GTO Wizard: The Market Leader GTO Wizard has the deepest feature set in the category: an enormous solution library, AI solving on demand, nodelocking for exploit work, PLO support, and a real-time study overlay. After its March 2026 price increase, Starter runs $39/mo, Premium $99/mo, and Elite tiers $129-$199/mo, as of June 2026. We track the details in our [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing). The honest assessment: if money is no object and you study many hours per week, GTO Wizard's breadth is unmatched, and pros like Espen Jorstad endorse it for a reason. The catch is the cost, a frequent complaint on the forums: most players below mid-stakes will never touch the features that justify the Premium and Elite tiers. GTO Gecko: Best Value for Study Plus Training GTO Gecko is our product, so weigh this section accordingly. A single format (Cash, MTT, or Spin & Go) costs $24.99/mo or $149.99/yr (about $12.50/mo effective). All-access across all three formats is $39.99/mo or $239.99/yr (about $20/mo effective). One subscription covers the web app, iOS, Android, and a native macOS app, with progress synced. The library includes preflop ranges and postflop solutions for cash (including straddle and ante tables), MTT, and Spin & Go, plus true 3-way [multiway postflop](https://gtogecko.com/blog/multiway-pots-poker-strategy) solutions, which very few platforms solve at all. A built-in on-device solver handles custom spots, and a machine-learning explainability layer breaks down why the solver's action is right in plain English instead of leaving you staring at frequencies. ICM-aware MTT ranges are available in the Elite tiers, with an [ICM](https://gtogecko.com/blog/icm-poker-strategy) range-compare tool for studying bubble pressure. Where competitors beat us: GTO Wizard has the bigger raw library and nodelocking, and PioSolver gives tinkerers more control over tree construction. Where we think the value sits: you get the study layer and the training layer (covered below) in one subscription at roughly half the market leader's entry price. There is also a permanent free tier with no credit card: free preflop range browsing, daily free trainer hands, and free web tools. You can [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/) and judge the solutions yourself before paying anything. Current standing: 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), with 22,500+ players in 175 territories. PioSolver: The Pro Standard for Custom Work PioSolver Pro costs $249 and Edge, which adds preflop solving, costs $475, both one-time purchases as of June 2026. It has been the professional benchmark since 2015. You define the game tree, set the bet sizes, and run the simulation yourself. Nothing matches it for deep custom analysis of a specific spot. The limits are structural: Windows-only desktop software, no presolved library, no trainer, no mobile access, and a learning curve measured in weeks. PioSolver is the right buy for serious students who want to interrogate the game, not for players who want answers fast. PLO players should look at MonkerSolver instead (€499 one-time), the long-standing standard for Omaha and multiway trees. Tool Price (June 2026) Best for GTO Wizard $39-$199/mo Big budgets, max features GTO Gecko $24.99-$39.99/mo Study + training in one sub PioSolver $249-$475 one-time Custom desktop simulations MonkerSolver €499 one-time PLO and multiway trees Best Poker Trainers in 2026 The strongest trainers in 2026 are DTO Poker for dedicated MTT drilling (free tier, paid from $9.99/mo), GTO Gecko's three built-in trainers (included in every subscription), and Octopi Poker for community-driven tournament study (free community tier, Personal $180/yr, Professional $450/yr). Training is the layer most players skip, and it shows in their win rates. Reading a range chart engages a different part of your brain than playing a hand. Trainers close that gap by serving you spots, grading your decision, and repeating until correct play is automatic. If you have ever studied [preflop charts](https://gtogecko.com/blog/preflop-charts-opening-ranges) for an hour and then punted the same blind-defense spot that night, you already know why this layer exists. DTO Poker: The MTT Specialist DTO is tournament training done seriously. The free tier includes all preflop solutions and one postflop training spot; paid tiers ladder up from Grinder at $9.99/mo (34 postflop spots) through High Roller at $29.99/mo to Super High Roller at $99.99/mo with 200+ spots and 110+ preflop simulations, as of June 2026. For pure MTT drilling, DTO earns its reputation, and the free tier is a genuinely useful starting point. The drawbacks: lower tiers gate a lot of the postflop content and feedback depth, cash-game coverage is thin, and there is no PLO. Our standalone [DTO Poker review](https://gtogecko.com/blog/dto-poker-review) goes tier by tier. GTO Gecko Trainers: Three Trainers, ELO, Adaptive Drilling Every GTO Gecko subscription includes three trainers: preflop, postflop, and full-hand (play a complete hand from deal to river with every decision graded). An ELO rating tracks your skill over time, and the adaptive engine re-serves the spots you misplay until they stick. Miss a blind-defense spot with A ♥ 4 ♥ today and it will find you again tomorrow. The statistics suite ties training back to leaks: per-street accuracy, a position matrix, pot-type breakdowns, and hand review with replay. The free tier includes daily free trainer hands, so you can test the drilling loop without paying. iOS and Android players can grab it on the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) and drill in the queue at the bank. Octopi Poker: Training as a Community Sport Octopi takes a different angle: a free Community tier, Personal at $180/yr, and Professional at $450/yr (or $50/mo), as of June 2026. The Professional tier includes the Vault, a searchable archive of real televised hands from PokerGO streams, plus weekly coaching sessions and a Visual Game Tree for collaborative study. It suits players who study better in groups and want to dissect real high-stakes hands rather than grind solo drills. The focus is firmly MTT, and the per-year pricing makes it a commitment rather than an impulse buy. Trainer Price (June 2026) Focus DTO Poker Free; $9.99-$99.99/mo MTT drilling GTO Gecko Included in sub from $24.99/mo Cash, MTT, Spins; all platforms Octopi Poker Free; $180-$450/yr MTT, group study, real hands Equity Calculators and Bankroll Tools Equity and bankroll tools are the cheapest layer of the stack, and you should treat them that way. Equilab is free, Flopzilla costs $25-$35 one-time as of June 2026, and solid bankroll calculators cost nothing. Spend here last, if at all. Flopzilla and Equilab were the standard study tools of the pre-solver era, and both still do honest work for range-versus-range equity math and board-coverage analysis. Their shared problem is age: both are Windows-only desktop programs with no Mac, mobile, or web versions, and neither has seen meaningful development in years. Mac and mobile players will want the modern replacements covered in our guide to [Flopzilla and Equilab alternatives](https://gtogecko.com/blog/flopzilla-equilab-alternatives). For bankroll work, skip paid products entirely. Our free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) handles tournament variance math, the free [poker odds calculator](https://gtogecko.com/poker-odds-calculator) covers in-the-moment equity checks, and the principles in our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) cover the rest. A spreadsheet and discipline beat any $10/mo bankroll app. Which Poker Software Should You Buy First? Buy the study-and-training layer first if you play live, tournaments, or app games; buy a tracker first if you multi-table online cash. The tracker-first advice that dominated 2010s forums assumed everyone grinds online cash with HUD support, which most 2026 players do not. Here is a budget allocation framework by stake level. The numbers assume you actually use what you buy; an unused subscription is the worst poker software of all. Level Budget What to buy Micros (NL2-NL10, sub-$10 MTTs) $0-$25/mo Free tools + one cheap trainer Low stakes (NL16-NL50, $10-$50 MTTs) $25-$50/mo Tracker (one-time) + presolved library with trainer Mid stakes (NL100-NL200, $50-$150 MTTs) $50-$100/mo Full tracker + all-format study sub + ICM tools for MTTs High stakes / pro $150+/mo Hand2Note Pro + custom solver + premium library or coaching At the micros , your leaks are big and free tools find them. Equilab for equity, free preflop range browsing, daily free trainer hands, DTO's free tier for MTT spots. Our roundup of [free GTO resources](https://gtogecko.com/blog/free-gto-resources) lists everything worth having at $0. If you add one paid item, make it a trainer in the $10-$25/mo range, because execution errors are where micro players bleed. At low stakes , add a tracker if you play online cash (PT4 Small Stakes at $44.99 one-time is the value pick) and a presolved library subscription. Skip the custom solver; presolved solutions already cover the spots real games produce, and the hours you would spend configuring sims are better spent drilling. At mid stakes , the full stack pays for itself. Upgrade to an unrestricted tracker license, move to an all-format study subscription, and if you play tournaments, get access to ICM-aware ranges, because chip-EV solutions actively mislead you at final tables. At high stakes , the calculus inverts: your hourly rate makes software costs trivial, so buy depth. Hand2Note Pro for the HUD edge, PioSolver or MonkerSolver for custom work your opponents have not seen, and whatever premium library or coaching closes your specific gaps. Best Poker Software FAQ What software do professional poker players use? A typical online pro in 2026 runs a tracker (Hand2Note 4 or PokerTracker 4) during sessions, studies with a presolved GTO library, and keeps a custom solver (PioSolver for hold'em, MonkerSolver for PLO) for deep dives. Live pros skip the tracker and put everything into study and training tools. Is poker tracking software allowed on poker sites? It depends on the room. Most major sites permit trackers and HUDs built on hands you played yourself, while prohibiting shared databases and real-time assistance. Some rooms, GGPoker most prominently, ban third-party tracking outright. Solvers and trainers are legal everywhere when used away from the table; using any solver during play is cheating on every site. What is the difference between a poker solver and a poker tracker? A tracker records and analyzes hands you actually played, showing your tendencies and your opponents' stats. A solver computes the game-theory-correct strategy for a spot, independent of what anyone actually did. The tracker finds the leak; the solver shows the fix; a trainer makes the fix stick. How much should I spend on poker software? A workable rule: keep software under 5% of your monthly poker profit, with a floor of one study tool. Micro-stakes players can build a real stack for under $25/mo using free tiers plus one trainer. A complete mid-stakes setup runs $50-$100/mo. Spending $300/mo on tools while playing NL25 is a leak, not a flex. Is there good free poker software? Yes. Equilab is a free equity calculator, DTO and Octopi both have free tiers, and GTO Gecko's permanent free tier includes preflop range browsing, daily trainer hands, and free odds and bankroll calculators with no credit card required. PioSolver's free version solves two preset flops. You can study seriously for months before spending anything. Do poker trackers work on Mac? PokerTracker 4 is the only major tracker with native macOS support, and one license code covers both Mac and Windows. Hand2Note 4 and Holdem Manager 3 are Windows-only, so Mac users need a Windows virtual machine to run them. Study platforms are friendlier: GTO Gecko ships a native macOS app, and web-based tools run in any browser. Build the Stack, Then Use It The pattern across every layer is the same: the expensive option is rarely the wrong product, just the wrong order. A $199/mo solver subscription does nothing for a player who has never drilled a blind-defense spot, and a pro-grade HUD will not save a live player who never opens it. Start with one tool from the layer your game actually lacks. If you cannot name your three biggest leaks, that is a tracker problem. If you can name them but do not know the correct play, that is a study problem. If you know the correct play and still misplay it at the table, that is a training problem, and it is the most common of the three. If you want to test the study and training layers in one place before spending anything, [open the free preflop library and trainer on GTO Gecko](https://play.gtogecko.com/). Browse the ranges, play the daily free hands, and see whether the drilling loop moves your game. The software market will still be here when you know what you actually need. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Best Poker Solver Apps for iPhone & Android (2026) https://gtogecko.com/blog/best-poker-solver-apps Search "poker solver app" in the App Store and you get a wall of icons with no way to tell which ones actually solve anything. Some are full GTO engines. Some are chart viewers that have not been updated since 2019. The listings all promise the same thing, and none mention pricing traps, battery drain, or offline limits. This guide covers the six options worth your screen space. Short version: GTO Gecko is the only app that puts a full presolved library, an on-device solver, and three trainers in one native app (disclosure: it is ours, and we will show our work). ThinkGTO builds polished single-purpose apps but splits them across seven subscriptions. DTO is the budget tournament pick. Lucid is the flat-price all-rounder. GTO Wizard, the desktop market leader, still ships no native mobile app at all. PokerSnowie has aged out. What Can a Poker Solver App Actually Do on a Phone? A modern poker solver app can browse millions of presolved GTO solutions, drill you with trainers that grade every decision against solver output, and solve custom spots directly on your phone's processor. What it cannot do is replace a desktop workstation for enormous custom trees with a dozen bet sizes per node or heavy nodelocking workflows. That gap matters less than most players think. The phones shipping in 2026 carry more compute than the desktops that ran the first PioSolver sims in 2015. A flop spot with a sensible bet-size menu solves on-device in seconds. Pull up the button's c-betting strategy on K ♠ 7 ♦ 2 ♣ while you wait to board a flight, and the answer you get is the same answer a desktop solver gives. Where phone apps genuinely win is repetition. Nobody opens their desktop solver for a spare ten minutes; everybody opens their phone. Players who drill daily on mobile put in five to ten times more hands per week than players who study only at a desk. Volume of graded decisions, not raw solver horsepower, is what moves your win rate. If you are new to solver work entirely, start with our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) and the basics of [GTO poker](https://gtogecko.com/blog/what-is-gto-poker). The honest limits: no phone app today does deep custom nodelocking the way desktop Pio does, multiway trees beyond three players remain desktop territory, and a tiny screen is a bad place to compare twelve sizing options side by side. For full desktop software, see our ranking of the [best poker solvers](https://gtogecko.com/blog/best-poker-solvers) overall. Presolved Libraries vs On-Device Solving: Which Matters More? For about 90% of study, the presolved library matters more. Presolved solutions are computed on server clusters at desktop-grade accuracy, so you get instant, exact answers for standard spots. On-device solving covers the other 10%: the weird stack depth, the strange sizing, the spot the library never anticipated. A presolved library is an encyclopedia someone already wrote with industrial hardware. On-device solving is a calculator you carry. You want both, because they fail in opposite directions: the encyclopedia is exact but finite, the calculator is infinite but slower and forced to simplify big trees. Most apps on this list pick one side. DTO and GTO Wizard's mobile experience are library-only. ThinkGTO splits the two functions into separate paid apps. GTO Gecko and Lucid ship both in one product. When you evaluate any poker solver app, ask two questions: how big is the library, and what happens when my spot is not in it? One more distinction worth money: multiway solutions. Almost every library on the market is heads-up only after the flop. True 3-way postflop solutions are rare because they are brutally expensive to compute, yet live and soft online pools are full of multiway pots. GTO Gecko ships true 3-way postflop solutions; among major competitors, only GTO Wizard offers comparable multiway coverage, and theirs is gated behind upper tiers. If you want the strategy rather than the tooling, we measured what a third player does to your equity in our guide to [multiway pots](https://gtogecko.com/blog/multiway-pots-poker-strategy). The 6 Best Poker Solver Apps in 2026 We judged each app on five things: whether it is genuinely native on iOS and Android, library depth, what you can solve yourself, trainer quality, and what a year of real usage costs. Here is the field, as of June 2026, with each app's honest best use case. App Native mobile app? Best for GTO Gecko Yes (iOS, Android, macOS, web) All-in-one solver + trainer study ThinkGTO suite Yes (7 separate apps) Single-purpose drilling DTO Poker Yes Budget MTT training GTO Wizard No (browser web app) Desktop-first pros Lucid GTO Yes Flat-price cross-platform value PokerSnowie Dated companion apps Legacy users only 1. GTO Gecko — Best All-in-One Poker Solver App Full disclosure: GTO Gecko is our product, so read this section with that in mind. Every claim below is checkable in five minutes on the free tier, no credit card required. GTO Gecko is a native app on iOS, Android, and macOS, plus a web app at play.gtogecko.com. One subscription covers all of them, with progress synced, so a trainer session on the bus continues on your laptop at home. The library is massive: preflop ranges and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, with true 3-way multiway postflop solutions that almost nobody else in the market offers. When a spot is not in the library, a built-in on-device solver handles custom spots. The training side is where it separates from chart viewers. Three trainers (preflop, postflop, and full-hand) grade you with an ELO rating and adaptively re-serve the spots you misplay until you stop misplaying them. A machine-learning explainability layer breaks down WHY the solver action is right in plain English using SHAP factors, instead of leaving you to reverse-engineer frequencies. A statistics suite tracks per-street accuracy, position and pot-type leaks, and hand review with replay, plus comparison against the player pool. Tournament players get ICM range compare, and ICM-aware MTT solutions are available in the Elite tiers; our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy) covers why that matters near a bubble. Pricing, as of June 2026: a single format (Cash, MTT, or Spin & Go) runs $24.99/month or $149.99/year (about $12.50/month effective). All-access to all three formats is $39.99/month or $239.99/year (about $20/month effective). Quarterly billing sits in between. The permanent free tier includes the full preflop range library to browse, daily free trainer hands, and free web tools. It holds a rating of 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), with 22,500+ players in 175 territories. What it does not do: nodelocking, and the on-device solver will not chew through a 200-node custom tree the way a desktop rig does. PLO lives in a separate sister app, [PLO Edge](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide), which packs a PLO preflop solver, preflop trainer, and postflop trainer into one flat monthly price (no postflop solver there). Get GTO Gecko on the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434), on [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), or [browse the free preflop library on the web](https://play.gtogecko.com/) right now. 2. ThinkGTO Suite — Polished Apps, Fragmented Stack ThinkGTO (by Crafty Wheel) is the most prolific mobile-first poker developer, with seven separate apps on iOS and Android: Preflop+, Postflop+, Solver+, GTO Ranges+, PLO+, the free Battle+, and Tracker+. Each one is genuinely well built. Postflop+ in particular is a smooth trainer with ELO tracking, and the apps feel fast and native because they are. The catch is the business model. Preflop work, postflop training, and solver browsing are three different apps with three different subscriptions. As of June 2026, Preflop+ runs $9.99/month, Postflop+ $14.99/month, and Solver+ $19.99/month. Stack those three to approximate what a single all-in-one app does and you are at $44.97/month, more than GTO Gecko's all-access tier, with your progress and stats scattered across three icons that do not talk to each other. Lifetime purchases exist (Preflop+ at $129.99, Postflop+ at $199.99), which is a genuinely rare and fair option if you are certain you only ever need one narrow tool. There is also no deep web or desktop app, so everything you build stays on your phone. Recommended for: players who want exactly one job done well, like push/fold drilling from Preflop+ alongside our [preflop opening charts](https://gtogecko.com/blog/preflop-charts-opening-ranges), and players who hate subscriptions enough to pay lifetime prices. 3. DTO Poker — Best Budget MTT Trainer DTO is a trainer first and a solver browser second, built around tournament poker. The drilling experience is excellent: clean, fast, and focused on the MTT spots that actually come up. There is a real free tier, and the entry Grinder plan costs $9.99/month as of June 2026, the cheapest paid on-ramp on this list. Read the tier table before you buy, though. Grinder gives you basic right/wrong evaluation with no EV-loss numbers and no optimal frequencies; the feedback that makes solver training valuable starts at the High Roller tier, $29.99/month. Full range viewing, ICM, and heads-up scenarios require Super High Roller at $99.99/month. So the honest price for serious study is $29.99, not $9.99. A DTO Cash product exists now, but the depth and the DNA are tournaments, and there is no PLO at all. Recommended for: MTT grinders on a budget who mainly want reps, not deep dives. We cover the tier traps and trainer quality in detail in our full [DTO Poker review](https://gtogecko.com/blog/dto-poker-review). 4. GTO Wizard — Huge Library, No Native App GTO Wizard is the market leader on desktop, and that is earned: the biggest solution library in poker, an AI solver, nodelocking, PLO support, and multiway spots. If you study primarily at a desk and money is not the constraint, it is a serious option, which is why we wrote a full [GTO Gecko vs GTO Wizard comparison](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). On mobile, the story is different. There is no GTO Wizard app in the App Store or on Google Play. Their own help docs state it plainly: "There is no dedicated iPhone/Android app," and they instruct you to add the website to your home screen as a progressive web app. That means a browser tab wearing an icon: no offline access, no native performance, and a desktop-density interface squeezed onto a phone. For a product at this price, the absence is notable. About that price: as of June 2026, Starter begins at $39/month, Premium runs roughly $99/month, Elite sits in the $129–$199/month band, and the Ultra tier is $279/month at its early-bird rate. New-subscriber prices for Premium and Elite rose another $10–$20/month on March 31, 2026, a move that drew predictable heat on the forums. The full tier-by-tier math is in our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing). Recommended for: professionals who live in the desktop ecosystem and treat mobile as an occasional range check. 5. Lucid GTO — Best Flat-Price Cross-Platform Option Lucid, backed by Doug Polk and the Upswing Poker camp, gets distribution right: real apps on iOS and Android plus Windows, Mac, Linux, and web, all under one subscription. Pricing is refreshingly simple as of June 2026: a free plan, then Pro at $49/month or $490/year. No tier ladder, no feature matrix to decode. The product leans on presolved "Cloud Sims" and a capable trainer, and for NLHE cash players it covers the standard study loop well. The gaps: no PLO, and ICM has been explicitly deprioritized, which makes it a hard recommendation for serious tournament players. The trainer also lacks the adaptive re-serving and explainability layers that turn mistakes into fixed leaks rather than logged ones. Recommended for: cash-game players who want one flat price across every device they own and do not need tournament tooling. 6. PokerSnowie — The Aging Neural Net PokerSnowie deserves respect as a pioneer: it was teaching balanced poker years before solvers went mainstream. But it is a neural network trained against itself, not a true solver, and its recommendations diverge from solver baselines often enough that its accuracy has been questioned on training forums for years. The mobile situation seals it. The iOS companion apps are ancient (the postflop app was last updated in 2019), and the main product is desktop software at $229.95/year for the Pro plan as of June 2026. For that money in 2026 you can get an actual solver library, an on-device solver, and modern trainers. Recommended for: existing subscribers with years of hand history in it; everyone else should read our [full PokerSnowie review](https://gtogecko.com/blog/pokersnowie-review) before paying. Simple Poker’s desktop trainer has aged the same way, which we priced out in [Simple GTO Trainer alternatives](https://gtogecko.com/blog/simple-gto-trainer-alternatives). How Much Do Poker Solver Apps Cost in 2026? Real-world prices run from $9.99/month for an entry trainer tier to $279+/month for top desktop plans. The number that matters is price per feature you will actually use: a cheap app that gates EV feedback, or three polished apps that each do one thing, can cost more than one complete platform. All prices below are as of June 2026. App Monthly price What that buys GTO Gecko $24.99 (one format) / $39.99 (all-access); $149.99–$239.99 per year Presolved library incl. 3-way spots, on-device solver, 3 trainers, stats, all platforms ThinkGTO (3-app stack) $44.97 ($9.99 + $14.99 + $19.99) Preflop+ charts, Postflop+ trainer, Solver+ browser — three separate apps DTO Poker $9.99–$99.99 MTT trainer; EV-loss feedback starts at the $29.99 tier GTO Wizard $39–$279+ Deepest desktop library + AI solver; mobile is a browser shortcut Lucid GTO $49 (or $490/year) Cloud sims + trainer on every platform; no PLO, ICM deprioritized PokerSnowie $229.95/year Neural-net training advice, dated mobile apps, not a true solver Two patterns jump out. First, fragmentation is expensive: ThinkGTO's per-app pricing looks cheap until you need preflop, postflop, and a solver, at which point one all-in-one subscription wins on both price and workflow. Second, the floor price rarely buys the product you imagine; DTO's $9.99 tier withholds the EV numbers, and GTO Wizard's $39 Starter is a slice of the library the reviews rave about. Battery, Offline Use, and Other Things Store Listings Skip Browsing presolved solutions costs almost no battery because the heavy math already happened on a server. On-device solving works your phone's CPU hard, so expect warmth and real battery draw on long custom solves. Offline access depends entirely on architecture: native apps can cache data locally, while browser-based web apps need a connection. This is the practical case against the progressive-web-app approach. A PWA is a website; lose signal in a casino basement or on a flight and your study session is over. Native apps keep cached ranges and downloaded content available, and an on-device solver is fully self-contained: the spot is computed on your hardware with nothing uploaded, which also means it works at 35,000 feet. A few more things worth knowing before you subscribe. Cross-device sync is a feature, not a given: ThinkGTO progress lives and dies on your phone, while GTO Gecko and Lucid carry it across devices. Streaming a large solution library eats mobile data, so check what an app caches. On any app with an on-device solver, save the monster trees for when you are plugged in. Which Poker Solver App Should You Download? Pick by player type, not by ranking. All-in-one study on phone, tablet, and desktop: GTO Gecko. One narrow tool with a lifetime price: ThinkGTO. Cheapest MTT reps: DTO. Flat-price cash-game study everywhere: Lucid. Desktop-first professional workflow: GTO Wizard, accepting there is no real mobile app. Still learning the rules? None of these is your first app — see the [best poker apps for beginners](https://gtogecko.com/blog/best-poker-apps-for-beginners) instead. If you are still unsure, the zero-risk move is to start free. GTO Gecko's free tier includes the complete preflop range library and daily trainer hands with no credit card, DTO and Lucid both keep functional free plans, and our roundup of [free GTO resources](https://gtogecko.com/blog/free-gto-resources) lists more. Spend a week drilling on whichever free tier fits your format, then pay for the one you actually opened every day. Ready to test the all-in-one approach? [Start with the free preflop library and daily trainer hands on GTO Gecko](https://play.gtogecko.com/), or grab the native app from the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Poker Solver App FAQ Is there a real GTO solver app for iPhone? Yes. GTO Gecko runs a full solver natively on iPhone alongside its presolved library, and ThinkGTO's Solver+ offers presolved board browsing. Lucid ships a native iOS trainer backed by cloud sims. GTO Wizard does not have an iPhone app; it runs as a website you pin to your home screen. Can you run a poker solver on Android? You can. GTO Gecko's Android app includes the same on-device solver and presolved library as the iOS version, and DTO, Lucid, and the ThinkGTO apps all ship native Android builds. Modern Android hardware solves single-flop spots with a reasonable bet-size menu in seconds. What is the best free poker solver app? GTO Gecko's free tier is the most complete: the entire preflop range library plus daily free trainer hands, permanently, with no credit card. DTO's free tier offers presolved scenario browsing, Lucid has a free plan, and ThinkGTO's Battle+ is a fully free GTO puzzle game. Do poker solver apps work offline? Native apps with cached content or on-device solving do; browser-based tools do not. An on-device solver computes everything locally, so it works in airplane mode. GTO Wizard's mobile experience is a progressive web app and needs an internet connection, which matters on flights and in poor-signal card rooms. Are poker solver apps legal to use? Studying with a solver away from the table is legal and universally accepted; it is how nearly every winning player trains now. Using any solver or chart app while playing online is real-time assistance, which almost every poker site bans and punishes with confiscation or closure. Study between sessions, never during them. How accurate are mobile poker solvers compared to desktop? Presolved solutions on mobile are exactly as accurate as desktop output because they were computed on server hardware; your phone is just the viewer. On-device solving uses simplified bet trees, so strategies can differ slightly from an exhaustive desktop sim, but for practical study the EV differences are marginal. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Best Poker Solvers in 2026: Free & Paid GTO Solvers Compared https://gtogecko.com/blog/best-poker-solvers The best poker solver for you depends on one question almost nobody asks before buying: do you want to run your own simulations, or do you want answers that already exist? Get that wrong and you either pay pro-tool money for software you never figure out, or you subscribe to a platform that cannot solve the spots you actually play. This roundup covers nine tools across both camps: the desktop solvers (PioSolver, GTO+, MonkerSolver, TexasSolver) and the cloud and presolved platforms (GTO Wizard, GTO Gecko, Deepsolver, Lucid GTO, Octopi Poker). One of the nine is ours. We flag it clearly, and we name what competitors do better, because a comparison you cannot trust is worthless. All pricing was checked against vendor sites and 2026 sources in June 2026. If you are new to [GTO poker](https://gtogecko.com/blog/what-is-gto-poker) in general, read that primer first. Everything below assumes you know why equilibrium strategies matter. Desktop Solver or Presolved Platform: Which One Do You Need? A desktop solver (PioSolver, GTO+, MonkerSolver, TexasSolver) is software you buy once and run on your own computer to solve any spot you define. A presolved platform (GTO Wizard, GTO Gecko, Lucid GTO) gives you instant access to millions of already-computed solutions plus training tools. Most players below high stakes want the second kind. Here is the part that surprises people: a desktop solver contains zero answers when you install it. It is an engine, not an encyclopedia. You define the preflop ranges, the bet sizes, the raise sizes, and the full game tree, then the software grinds toward equilibrium for minutes or hours depending on your hardware. Want to know how the button plays K ♠ 7 ♦ 2 ♣ after a 3-bet? You build that spot yourself, every time, and you need to build it correctly or the output is garbage. Presolved platforms did that work in advance. The vendor ran the sims on server farms, and you browse the results instantly, usually with a trainer attached so you can drill the spots instead of just staring at them. The trade-off is flexibility: if your game uses a stack depth or sizing scheme the library does not cover, you are stuck with the nearest approximation. The lines are blurring, which helps buyers. Deepsolver solves custom spots in the cloud on demand, so you get desktop-style flexibility without the hardware. GTO Gecko ships an on-device solver inside a presolved platform, so you can browse the library and still solve a weird spot when one comes up. Our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) walks through the actual study workflow for both approaches. Quick self-test. You need a desktop solver if you nodelock opponent mistakes for exploit research, study non-standard stakes or lines, or build coaching material. You want a presolved platform if your goal is simply to play closer to GTO and find your leaks faster. That second group is most of the market, including most winning regs. Poker Solver Comparison Table (2026) Nine tools, two categories, prices as of June 2026. Desktop prices are one-time; platform prices are subscriptions, and every platform listed discounts meaningfully for annual billing. Solver Type Price (June 2026) Best for PioSolver Desktop €450–€800 one-time Pros running custom NLHE sims GTO+ Desktop $75 one-time Budget desktop solving MonkerSolver Desktop €499 one-time PLO and multiway research TexasSolver Desktop Free, open source Custom solving at zero cost GTO Wizard Cloud / presolved $49–$279/mo Deepest library, biggest toolset GTO Gecko Cloud / presolved $24.99–$39.99/mo Value, mobile, 3-way solutions Deepsolver Cloud solver $49–$69/mo On-demand custom solves Lucid GTO Cloud / presolved Free tier; Pro $49/mo Trainer-first study Octopi Poker Cloud / presolved Free tier; $200–$600/yr MTT study with coaching The Best Desktop Poker Solvers in 2026 Four desktop solvers are worth buying in 2026: PioSolver remains the professional standard, GTO+ is the budget pick at $75, MonkerSolver owns PLO, and TexasSolver delivers genuine solver power for free. All four run locally on your hardware, and all four assume you are comfortable building game trees yourself. PioSolver: the pro standard PioSolver has been the reference NLHE solver since 2015, and nothing about that changed this year. As of June 2026 it costs €450 one-time for the Pro edition and €800 for Edge, which adds preflop solving and wants at least 64GB of RAM. Both come with a year of software updates and licenses for two computers. What you get for that money is depth nobody else matches on desktop: scripting for batch jobs, aggregation reports across hundreds of flops, nodelocking for exploit work, and a decade of training content built around its interface. Most serious coaching material still assumes you can read a Pio output. The honest downsides: it is Windows desktop software with no mobile version, there is no presolved library, and the learning curve is real. Buying Pio without a study plan is the most common wasted purchase in poker software. If the price or the platform is the blocker, we wrote up the best [PioSolver alternatives](https://gtogecko.com/blog/piosolver-alternatives) separately. GTO+: the budget desktop pick GTO+ costs $75 one-time as of June 2026, which is absurd value for a real postflop solver. It comes from the developer behind CardRunners EV, runs lighter on hardware than Pio, and even lets you play hands against your solved strategies, a feature Pio users pay much more for. You give up Pio's scripting muscle, its aggregation tooling, and its ecosystem. For a player who wants to check a handful of spots per week rather than run industrial research, none of that matters. If a desktop solver is your route and €450 stings, start here. Windows only, like Pio. MonkerSolver: the PLO standard MonkerSolver costs €499 one-time as of June 2026 and remains the tool for Pot-Limit Omaha and multiway equilibrium research. If you are serious about PLO theory, there is no substitute: it solves four-card preflop and postflop spots, including multiway trees that other desktop solvers simply refuse. The cost of that power is steep in every sense. Full PLO preflop sims want server-grade RAM, the Java interface feels dated, and the learning curve makes Pio look gentle. Monker is a research instrument for professionals and obsessives. Casual PLO players should look at presolved PLO options instead, covered in the PLO pick below. TexasSolver: free and open source TexasSolver is a free, open-source NLHE solver hosted on GitHub, and it is legitimately good. It runs on Windows, macOS, and Linux, offers both a GUI and a console version, and benchmarks competitively with commercial solvers on many spots. A GPU version from the same developer pushes speeds further. The catch is everything around the engine. You build every tree yourself, the interface is rougher than the paid tools, and there is no library, no trainer, and no support desk. As a way to learn what solvers actually do before spending money, though, it has no equal. Full transparency: GTO Gecko's own on-device solving builds on this open-source lineage, which is part of why we can vouch for the engine quality. The Best Cloud and Presolved GTO Platforms in 2026 Five platforms stand out in 2026: GTO Wizard has the largest library and the highest price, GTO Gecko offers the strongest price-to-depth ratio with full mobile apps, Deepsolver solves custom spots in the cloud, Lucid GTO is a polished trainer with a usable free tier, and Octopi Poker wraps MTT study in live coaching. GTO Wizard: the market leader GTO Wizard earns its position. The solution library is the deepest in the market, the AI solver handles custom spots in seconds, nodelocking arrived for cloud users, Table Wizard overlays study data onto your sessions, and the format coverage spans cash, MTT, spins, HU SNG, and PLO, including 3-way postflop spots at the top tier. The content engine behind it, with one to two strategy posts a week and pros like Espen Jorstad attached, is the best in the business. The problem is what it costs now. After the March 2026 restructuring, new-subscriber pricing runs Starter $49, Premium $99, Elite $169, and Ultra $279 per month as of June 2026, with the Premium and Elite tiers up $10 to $20 a month from before. Forum reaction to the increases was loud and mostly unhappy, and the features serious players want most, like full nodelocking and custom 3-way work, sit in the expensive tiers. We broke the tiers down in detail in our [GTO Wizard pricing analysis](https://gtogecko.com/blog/gto-wizard-pricing). If money is not a constraint and you want the most complete single platform, buy Wizard and stop reading. If $99 to $169 a month makes you wince, you have options, and we compared them honestly in our roundup of [GTO Wizard alternatives](https://gtogecko.com/blog/gto-wizard-alternatives). GTO Gecko: the value pick (disclosure: this is us) Full disclosure: GTO Gecko is our product, so read this section with that in mind. We will keep it factual. GTO Gecko is a presolved library plus trainer platform that runs on the web at play.gtogecko.com and as native apps on iOS, Android, and macOS, with one subscription synced across all of them. The library covers preflop ranges and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, with true 3-way multiway postflop solutions, something very few platforms compute rather than approximate. A built-in on-device solver handles custom spots the library does not cover. The training side is where we spend most of our development time: three trainers (preflop, postflop, and full-hand) with an ELO rating and adaptive drilling that re-serves spots you misplay, plus machine-learning explainability that translates the solver's reasoning into plain English using SHAP factors. The statistics suite tracks per-street accuracy, a position matrix, pot-type leaks, and hand review with replay, and lets you compare against the player pool. ICM-aware MTT ranges with an ICM range compare tool are available in the Elite tiers; if you play final tables, our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy) shows why chip-EV ranges stop working there. Pricing as of June 2026: a single format (Cash, MTT, or Spin & Go) costs $24.99/month or $149.99/year, which works out to about $12.50/month. All-access across all three formats is $39.99/month or $239.99/year, roughly $20/month. There is also a permanent free tier with no credit card required: free preflop range browsing, daily free trainer hands, and free web tools like the [poker odds calculator](https://gtogecko.com/poker-odds-calculator). You can [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/) right now and judge the solution quality yourself. Current standing: 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), 22,500+ players in 175 territories. What Wizard does better than us, stated plainly: a broader library across niche formats, cloud nodelocking, and a bigger content team. If those are your priorities, it is worth its price. For the head-to-head, see [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). Deepsolver: cloud solving on demand Deepsolver occupies the middle ground: it is a real solver, but it runs in the cloud, so you define a spot in your browser and get an equilibrium in seconds without owning a workstation. As of June 2026 the Essential plan costs $49/month with unlimited calculations, Pro runs $69/month with early feature access, and annual billing drops Essential to about $29.40/month. A GTO trainer is included. It suits players who genuinely need custom solves, non-standard stack depths, unusual sizings, but do not want to buy and learn desktop software. The weaknesses are focus and economics: it is NLHE-centric with a smaller ecosystem than the big libraries, and after two years of subscribing you will have spent more than a GTO+ license costs once. Lucid GTO: the accessible trainer Lucid GTO, backed by Doug Polk, is the most frictionless entry point in this roundup. There is a workable free tier, the Pro plan costs $49/month or $490/year as of June 2026, and the product runs on essentially everything: Windows, Mac, Linux, iOS, Android, and the web. The drilling experience is genuinely well designed, and Polk's preparation for his Negreanu heads-up match using an early version is a credible origin story. The limits show up when you push deeper. There is no PLO, ICM tooling is explicitly not a priority for the team, and players who want aggregation-level study depth will outgrow it. As a first paid GTO tool for a cash-game player, it is a strong choice. Octopi Poker: study group plus solver Octopi Poker, founded by high-stakes pro Andrew Lichtenberger, sells a different product: the solver tooling, a visual game-tree explorer, and a Vault of real hands from major events including the WSOP come bundled with weekly live coaching and an active study community. As of June 2026, the Community tier is free, the Personal plan runs $200/year, and Professional, which carries the coaching, is $600/year, with frequent promotional discounts. It is MTT-centric, which is either its biggest strength or its disqualifier depending on what you play. Cash-game depth is thin compared to everything else on this list. For a tournament player who studies better with structure and other humans, the Professional tier competes with coaching that costs far more per hour. Which Poker Solver Should You Choose? Picks by Use Case Match the tool to the job: GTO Gecko for overall value, PioSolver for pros who run custom sims, TexasSolver for free desktop solving, GTO Gecko for mobile, and MonkerSolver for PLO research. Below is the reasoning, including the honest runner-up in each category. Best overall value: GTO Gecko Yes, picking our own product here invites skepticism, so here is the math instead of adjectives. All-access on annual billing is about $20/month for presolved cash, MTT, and spins libraries, 3-way postflop solutions, three trainers, and a custom solver. The closest feature-comparable tiers elsewhere cost $99 to $169 per month as of June 2026. If you find a gap in our library that Wizard covers, the price difference buys a lot of patience. Honest runner-up: GTO+ at $75 one-time, if you prefer desktop and do not need a trainer or library at all. Best for pros who run custom sims: PioSolver No real contest. Scripting, aggregation reports, nodelocking, and ten years of community knowledge make Pio the default research tool for NLHE professionals. The €450 to €800 one-time cost is small against a pro's edge. Runner-up: GTO+ for the same fundamental capability at a fraction of the price, minus the industrial tooling. Best free poker solver: TexasSolver TexasSolver is the only genuinely free full solver on this list, and it holds its own against paid engines. Pair it with the free tiers of the platforms, GTO Gecko's free preflop library and daily trainer hands, Lucid's free tier, for a zero-cost study stack that would have been unthinkable five years ago. We catalogued the whole budget route in our guide to [free GTO resources](https://gtogecko.com/blog/free-gto-resources), and our [preflop charts guide](https://gtogecko.com/blog/preflop-charts-opening-ranges) covers the ranges you can study without spending anything. Best mobile solver: GTO Gecko Most solver study still happens at a desk, which is exactly why mobile matters: the player who drills 20 hands on the train every day out-studies the one waiting for desk time. GTO Gecko ships native [iOS](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) apps plus a native macOS app, all on one synced subscription, with the full trainer and library rather than a cut-down companion. Runner-up: Lucid GTO, whose mobile apps are also genuinely full-featured. The wider field is covered in our roundup of the [best poker solver apps](https://gtogecko.com/blog/best-poker-solver-apps). Best for PLO: MonkerSolver For deep PLO research, MonkerSolver at €499 one-time is still the answer, hardware demands and all. GTO Wizard offers the strongest cloud PLO library if you would rather browse than solve. On mobile, our sister app PLO Edge offers a PLO preflop solver, preflop trainer, and postflop trainer at a flat monthly price; note that it does not include a postflop solver, so Monker keeps that crown. Our [PLO Edge guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) covers what it does and does not do. Best Poker Solver FAQ What is the best poker solver in 2026? There is no single best, only a best per job. PioSolver remains the standard for professionals running custom NLHE simulations. GTO Wizard has the deepest presolved library if budget is no concern. GTO Gecko delivers the best price-to-depth ratio at $24.99 to $39.99 per month. TexasSolver is the best free option. Are there any completely free poker solvers? Yes. TexasSolver is a free, open-source desktop solver for Windows, macOS, and Linux that benchmarks competitively with paid engines. Beyond that, several platforms offer permanent free tiers: GTO Gecko includes free preflop range browsing and daily trainer hands with no credit card, and Lucid GTO and GTO Wizard both have free entry tiers. Is PioSolver still worth buying in 2026? For professionals and serious students who run their own simulations, yes. The €450 one-time price compares well against $99+ monthly subscriptions if you use it for years. For everyone else, honestly, no: most players get more practical improvement per hour from a presolved library with a trainer than from raw solver output they must configure themselves. Can I run a poker solver on my phone? True desktop solvers like PioSolver and MonkerSolver have no mobile versions. What you can run on a phone is a presolved platform: GTO Gecko offers native iOS and Android apps with its full library, trainers, and an on-device solver for custom spots, and Lucid GTO also ships capable mobile apps. For most study tasks, that covers it. Which poker solver is best for PLO? MonkerSolver is the research standard: it is the only widely used desktop solver built for four-card, multiway equilibrium work, at €499 one-time. GTO Wizard carries presolved PLO in the cloud. On mobile, PLO Edge offers a PLO preflop solver plus preflop and postflop trainers, though no postflop solver. Is it legal to use a poker solver? Studying with a solver away from the table is legal and universally accepted; it is how the modern game is learned. Using any solver or solver output during live play is real-time assistance (RTA), which every major poker site bans and actively detects. The tools in this roundup are study tools. Keep them closed while you play. The Bottom Line The solver market in 2026 splits cleanly. If you run custom research, buy once: PioSolver for NLHE, MonkerSolver for PLO, GTO+ or TexasSolver if the budget is tight. If you want to play better GTO poker without becoming a sim operator, subscribe to a presolved platform and spend your hours drilling instead of configuring. Within the platforms, the real decision is price versus library breadth. GTO Wizard is the most complete and charges accordingly. We built GTO Gecko to deliver the parts that actually move your win rate, accurate solutions, adaptive training, and plain-English explanations, at a price a $1/$2 player can justify. [Try the free preflop library and daily trainer hands on GTO Gecko](https://play.gtogecko.com/), compare the output against anything else on this page, and decide with your own eyes. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Check-Raise Strategy: How to Trap and Win Bigger Pots https://gtogecko.com/blog/check-raise-strategy The check-raise is one of the most powerful moves in No-Limit Hold'em. By checking to the aggressor and then raising their bet, you reverse the initiative, build a bigger pot with strong hands, and apply maximum pressure with well-timed bluffs. Solvers confirm that a balanced check-raise strategy is essential for defending out of position—without it, you become easy to exploit on almost every board texture. What Is a Check-Raise? A check-raise happens when you check your action, an opponent bets, and you raise over their bet within the same betting round. It signals strength more credibly than a [donk bet](https://gtogecko.com/blog/donk-betting-strategy) because you first showed apparent weakness by checking. In GTO play, check-raising serves two purposes: building value with your strongest hands and protecting your checking range by including enough bluffs to keep opponents honest. - Value check-raises: Sets, two pair, and overpairs that want to grow the pot before turn and river cards change the board. - Bluff check-raises: Draws and backdoor equity hands that gain immediate fold equity while retaining outs when called. - Semi-bluff check-raises: Flush draws and open-ended straight draws that combine fold equity with strong equity realization. When Should You Check-Raise? 1. Board Texture Matters Most Solvers check-raise far more frequently on low, connected boards where the big blind's range has a structural advantage. Our [board texture guide](https://gtogecko.com/blog/board-texture-strategy) measures that advantage directly across the main flop families. On a board like 7 ♥ 6 ♦ 4 ♣ , the preflop caller holds more two-pair combos, sets, and straight draws than the preflop raiser—making check-raises both profitable and necessary. On dry, ace-high boards the big blind checks and calls more often because the raiser's range dominates. For more on how ranges interact with boards, review our [range construction guide](https://gtogecko.com/blog/understanding-ranges-in-poker). 2. Position Drives Frequency Check-raising is primarily an out-of-position tool. When you are in the big blind facing a continuation bet, solvers typically recommend check-raising 8–15% of your range depending on board texture. From other positions—like the small blind in a limped pot—frequencies shift based on the specific dynamics. Use GTO Gecko to drill the correct frequencies for each spot and compare them against your actual stats. 3. Opponent Tendencies Create Exploits Against opponents who c-bet too frequently, increase your check-raise bluff frequency to punish their wide betting range. Against players who only bet strong hands, tighten your check-raise range to pure value. Knowing when to deviate from GTO is covered in detail in our [GTO deviation guide](https://gtogecko.com/blog/gto-vs-exploitative). Check-Raise Sizing: Small or Big? Sizing your check-raise correctly determines how much fold equity you generate and how the pot develops for later streets. Common Check-Raise Sizing Guidelines - Standard: 3× the opponent's bet. If they bet 3bb into a 6bb pot, raise to 9–10bb. This works on most flop textures. - Small (2.5×): Use on dry boards where you want calls from worse hands and your range advantage is clear. - Large (3.5–4×): Use on wet, connected boards where you need to deny equity from draws and charge maximum for continuing. - All-in: When stack-to-pot ratios are low (under 3:1 after the flop bet), simplify by shoving. This is especially effective in tournaments—see our [ICM strategy breakdown](https://gtogecko.com/blog/icm-poker-strategy) for stack-pressure dynamics. Example: Big Blind Check-Raises the Button Scenario: 100bb cash game, button opens to 2.5bb, big blind calls. Pot is 5.5bb. Flop: 8 ♠ 7 ♥ 5 ♦ . Button c-bets 2bb. Solver-Approved Check-Raise Range - Value: 98s, 87s, 77, 55, 65s—hands that crush this board and need protection against overcards. - Semi-bluffs: 9 ♥ 6 ♥ , T ♥ 6 ♥ , 64s—straight draws with backdoor flush potential. - Pure bluffs: A ♥ 2 ♥ , A ♥ 3 ♥ —backdoor nut flush draws that fold out better ace-high hands. Sizing: Raise to 7bb (3.5× the bet). The wet texture demands a larger size to deny equity. The key is maintaining a balanced ratio of roughly 2:1 bluffs-to-value in your check-raise range on the flop, then tightening that ratio on later streets as bluffs need to convert or give up. Check-Raising the Turn Turn check-raises target two situations: turn cards that improve your range more than the bettor's, and small turn stabs from opponents who barrel too wide. Solvers use them on a small share of turns after check-calling the flop—but when they fire, the pots are far bigger and the raise carries far more leverage than its flop cousin. Because turn pots are larger, a check-raise commits significant chips and represents the top of your range: completed straights and flushes, sets, trips, and your strongest combo draws as semi-bluffs. Reserve turn check-raises for spots where your perceived range is capped from the flop action and the turn card uncaps it. Review [polarized versus merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges) to understand when your range appears weak enough to check-raise credibly. A frequency check is worth running on your own game here. If you check-call flops all session and never check-raise a turn, your turn checks become pure surrender against observant opponents, and they will barrel you relentlessly. Adding even two or three combos per texture—your best trips, your strongest draw—changes what your opponents can profitably do on every turn you check. Best Turn Cards to Check-Raise - Draw-completing cards: An 8 on 7 ♥ 6 ♦ 2 ♣ completes the caller's straights, not the raiser's. Your range just gained the nuts; theirs gained overpairs that now hate the card. - Pairing cards on low boards: When the 8 pairs on 8-5-3, the big blind holds far more 8x than the preflop raiser. Turned trips love a check-raise against a player still betting overcards and overpairs. - Middling connectors: Sixes through nines hit the defender's check-call range much harder than the raiser's broadway-heavy barrel range. Attacking Small Turn Bets on Paired Boards Scenario: Button opens 2.5bb, big blind calls (pot 5.5bb). Flop 7 ♥ 7 ♣ 3 ♦ : check, button bets 1.8bb, big blind calls (pot 9.1bb). Turn 2 ♠ : big blind checks, button stabs 3bb. Big Blind's Turn Check-Raise Range - Value: A7s, 87s, 76s, 75s trips, plus 33 and 22 full houses. These hands are nearly invulnerable and need to start building a pot now. - Semi-bluffs: 5 ♦ 4 ♦ , A4s, A5s—straight draws that fold out ace-high and turn fold equity into a real backup plan when called. - Sizing: Raise to roughly 10bb, about 3.3x the bet. Why it works: a button betting small on this blank turn is usually betting close to its entire range to deny equity. Most of that range is unpaired and folds immediately, and the hands that continue pay off your trips. The paired, disconnected texture means the bettor rarely has the goods themselves. A turn check-raise also sets up the river perfectly: the pot grows large enough that a river bet threatens stacks, the same leverage principle covered in our [overbetting guide](https://gtogecko.com/blog/overbetting-strategy). How Do You Defend Against a Check-Raise? When your c-bet gets check-raised 3x on the flop, continue with roughly 40–50% of the range that bet: call with strong pairs and good draws, re-raise sets and your biggest combo draws, and fold your weakest air without regret. Fold much more than that and the check-raiser profits with any two cards. The math is straightforward pot odds. Say you c-bet 2bb into 5.5bb and face a raise to 7bb. You call 5bb to win 19.5bb, so you need about 26% equity to continue—a bar that flush draws, open-enders, and most top pairs clear comfortably. Brush up on the calculation in our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) if the numbers feel fuzzy. Sorting Your Range When Raised - Re-raise: Sets, top two pair, and pair-plus-draw or flush-draw-plus-overcards combos. These hands want stacks in while equities still run close. - Call: Overpairs, top pair with a good kicker, flush draws, and open-ended straight draws. In position, you realize this equity well and get to see what the raiser does on the turn. - Fold: No-equity air, weak gutshots, and bottom pairs that cannot stand turn pressure. These hands were bluffs when you bet them; losing the minimum is the win. Position changes the calculus. In position, defend toward the wider end of the range because you see the raiser's turn action before committing more chips, and your draws realize their full equity. When you c-bet out of position and get raised, tighten up: every continue means playing two more streets blind against an uncapped range, so marginal hands lose value fast. One exploit worth knowing: most pools under-bluff turn and river check-raises badly, so tighten your continues there. Flop check-raises run closer to balanced because every draw qualifies, which means calling down on brick runouts with strong one-pair hands performs well. Plan your [c-bets](https://gtogecko.com/blog/what-is-a-continuation-bet) with the raise response in mind before you bet, not after the raise arrives. Common Check-Raise Mistakes - Check-raising only with the nuts. If you never bluff-raise, opponents learn to fold everything except their strongest hands, and your value gets no action. Balance is key. - Choosing bad bluff candidates. Check-raise bluffs need equity when called—draws, backdoor outs, or [blocker effects](https://gtogecko.com/blog/blockers-unblockers). Raising with pure air that has zero equity on later streets is burning money. - Ignoring stack depth. A check-raise that leaves you with an awkward stack-to-pot ratio on the turn forces difficult decisions. Plan your check-raise size so that turn and river bets flow naturally from the pot geometry. - Over-check-raising on dry boards. On A ♠ K ♥ 7 ♦ , the preflop raiser has the range advantage. Check-raising here is lighting money on fire against competent opponents who simply won't fold top pair or better. Check-Raise FAQ How often should I check-raise the flop? On average, 8–15% of your defending range depending on board texture. Low, connected boards push toward 15%, while high, dry boards drop below 8%. Use a solver or GTO Gecko's training mode to internalize the right frequencies for each texture category. Should I check-raise in multiway pots? Rarely. With multiple opponents, the chance someone holds a strong hand increases significantly. Reserve multiway check-raises for the top of your range—sets and better. Bluff check-raises in multiway spots lose money at almost every frequency. Is check-raising exploitable? Only if your frequencies are off. A balanced check-raise range makes you unexploitable because opponents cannot profitably adjust. If you only check-raise value, they fold. If you only check-raise bluffs, they call. Balance solves both problems. Is check-raising rude or against the rules? No. Check-raising is legal in every casino and on every online site. The idea that it is impolite comes from old home-game etiquette, where "sandbagging" was sometimes banned. In modern poker it is a core part of sound strategy—without it, playing out of position becomes nearly indefensible. Build Your Check-Raise Game Start by identifying three to five flop textures where check-raising is clearly profitable—low connected boards, paired boards, and monotone boards are good starting categories. Drill these spots in the [GTO Gecko postflop trainer](https://play.gtogecko.com/) until the correct hands and frequencies feel automatic—it re-serves the textures you misplay so the leaks close faster. Then layer in exploitative adjustments based on your opponents' [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) and c-bet frequencies. A strong check-raise game is what separates solid players from truly difficult opponents to play against. ### DTO Poker Review 2026: Is the MTT Trainer Worth It? https://gtogecko.com/blog/dto-poker-review DTO Poker has one of the best origin stories in poker software: a super high roller builds the trainer he wishes existed, and tournament pros actually use it. The pedigree is real, the entry price is low, and the MTT focus is genuine. But there is a catch buried in the pricing ladder that matters more than anything else in this review: the feedback that actually teaches you poker is locked behind the $99.99/month tier. Below: what DTO does, what it costs as of June 2026, where it shines, where it falls short, and which alternatives fit which players. What Is DTO Poker? DTO Poker is a GTO training app focused on tournament poker, built by high-stakes pro Dominik Nitsche and developer Markus Prinz. You drill solver-derived preflop and postflop spots in your browser or on mobile, using deliberately simplified strategies. Pricing runs from a permanent free tier to $99.99/month for the Super High Roller plan. Nitsche is one of the most technically respected players on the super high roller circuit, with over $18 million in live cashes. Prinz, a computer scientist and his former coaching student, built the software, and it shows: the training methodology feels like it came from an actual coach rather than a data dump. The core idea is simplification. Instead of presenting you with the full solver output of five bet sizes at mixed frequencies, DTO trains strategies trimmed down to fewer sizes and cleaner decisions, with the claim that the simplified version gives up almost no EV against the full [GTO baseline](https://gtogecko.com/blog/what-is-gto-poker). For humans who have to execute under pressure with a clock running, that is a defensible philosophy. The endorsements are legitimate too: Manig Löser, Steffen Sontheimer, and Yuri Dzivielevski all appear on DTO's site, all elite tournament players. How Much Does DTO Poker Cost? As of June 2026, DTO Tournament has four tiers: Free, Grinder at $9.99/month, High Roller at $29.99/month, and Super High Roller at $99.99/month. Annual plans cost ten months' worth ($99.90, $299.90, and $999.90 respectively). A separate DTO Cash product runs $9.99 to $39.99 per month. Tier Monthly Yearly What you get Free $0 $0 All preflop solutions, 1 postflop training spot Grinder $9.99 $99.90 34 postflop spots, two 9-max preflop sims High Roller $29.99 $299.90 100+ postflop spots, 4 ICM preflop sims Super High Roller $99.99 $999.90 200+ spots, exact EV-loss feedback, explorer access Read the last column carefully. "Advanced evaluation with exact EV loss and optimal frequencies" appears only in the Super High Roller tier. Every tier below it gets basic evaluation: right or wrong, no EV numbers. We will come back to why that matters. The cash game product is priced separately: a free tier, a $9.99/month Beginner plan with 21 training spots, and a $39.99/month Pro plan with 38+ spots including heads-up and 3-way scenarios. Stacking Tournament and Cash subscriptions adds up quickly if you play both formats. What DTO Poker Does Well DTO's strengths are real: a generous free preflop library, a $9.99 entry point that undercuts almost every serious competitor, a simplification philosophy that respects how humans actually learn, and a founder who plays the game at the highest level. For pure MTT preflop work on a budget, it delivers. The free tier is genuinely useful. Access to all preflop solutions without paying anything is more than most competitors give away. If your main leak is opening ranges and shove/fold decisions, you can fix a lot for free. Simplified strategies are the right call for most players. Memorizing five-size mixed strategies is a fantasy for anyone who is not a full-time pro. A trimmed strategy you execute correctly beats a perfect strategy you butcher. DTO leaned into this earlier than most of the market. The MTT focus runs deep. ICM preflop simulations, 9-max sims, and tournament-specific spot selection show that this tool was built by tournament players for tournament players. If you want background, our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy) explains why chips and dollars stop being the same thing once payouts loom. It works on your phone. Drilling spots from mobile during a commute is a real workflow, and DTO handles it well. Where DTO Poker Falls Short DTO's weaknesses cluster around one theme: depth. EV-loss feedback is paywalled at $99.99/month, cash coverage is thin, there is no way to solve custom spots, PLO does not exist here, and parts of the website have read "Coming Soon" for a long time. The EV-Loss Gate Is the Real Problem Training without EV feedback teaches far less than it appears to. Solvers play many hands at mixed frequencies: a hand might bet 55% of the time and check 45%. Under binary right-or-wrong grading, you get marked incorrect on what is effectively a coin flip, and marked equally incorrect whether your mistake cost 0.02 big blinds or 4 big blinds. EV loss is the actual currency of improvement. It tells you which mistakes are rounding errors and which ones are bleeding your win rate, so you know what to drill next. Without it, you are grinding volume with a pass/fail stamp and no idea where the money is going. The one DTO tier that shows exact EV loss and optimal frequencies costs $99.99/month, which is more than full-featured competitors charge for everything. Thin Cash Coverage DTO Cash tops out at 38+ training spots on its $39.99/month Pro plan. That is a sampler, not a library. Cash players need coverage across positions, stack depths, straddle and ante structures, and multiway pots, and DTO is not built for that. The product name tells you where the heart is: this is a tournament tool with a cash side project. No Solver Depth, No Custom Spots DTO is a trainer first and almost exclusively. The Explorer (its solution browser) is capped even at the top tier, at 200 heads-up and 25 three-way postflop spots. There is no way to run your own sims for a weird spot from last night's session. If you want to understand [how a solver actually works](https://gtogecko.com/blog/how-to-use-poker-solver) by poking at solutions yourself, DTO gives you a narrow window into a pre-cut set. No PLO, and Parts of the Site Are "Coming Soon" There is no PLO content at all. And as of June 2026, the Strategy and About sections of dtopoker.com are still marked "Coming Soon," with no blog or written strategy content. None of that affects the trainer itself, but it does not inspire confidence in the pace of development. Is DTO Poker Good? Verdict by Player Type DTO Poker is good for budget-conscious MTT players who mostly need preflop and ICM drilling, and a poor fit for cash players, PLO players, and anyone who wants meaningful EV feedback without paying $99.99/month. - Recreational MTT player on a budget: Good fit. The free preflop library plus the $9.99 Grinder tier covers the fundamentals cheaply. Pair it with our free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) for a sensible starter setup. - Serious MTT grinder hunting leaks: Awkward fit. The feedback you need lives in the $999.90/year tier. At that price, compare the [whole GTO app market](https://gtogecko.com/blog/best-gto-apps-platforms) before committing. - Cash game player: Weak fit. 38 spots is not a cash game curriculum. - PLO player: Not an option here. - Final-table specialist: Partial fit. The ICM sims are real, but only 4 ICM preflop sims are included below the top tier. For the theory side, start with our guide to [final table ICM strategy](https://gtogecko.com/blog/final-table-icm-strategy). DTO Poker Alternatives The strongest DTO Poker alternatives in 2026 are GTO Gecko for an all-in-one trainer plus solver across cash, MTT, and spins; GTO Wizard for the deepest solution library if budget is no concern; and Octopi Poker for studying real high-stakes hands with coaching attached. Tool Best for Price (June 2026) GTO Gecko Trainer + solver, all formats, all platforms $24.99/mo single format, $39.99/mo all-access GTO Wizard Deepest library, advanced study $39 to $200+/mo Octopi Poker Real-hand review + coaching Professional $65/mo or $600/yr GTO Gecko GTO Gecko covers the two things DTO gates or lacks: full-depth feedback and solver access. Every trainer hand shows you the EV consequence of your decision on every plan, and the adaptive drilling re-serves the spots you misplay until they stick. An ELO rating tracks your progress across three trainers: preflop, postflop, and full-hand. The library is presolved and broad: [preflop ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, including true 3-way multiway postflop solutions, still rare in the market. A built-in on-device solver handles custom spots, and a machine-learning explainability layer breaks down why the solver action is right in plain English instead of just showing you frequencies. ICM-aware MTT ranges are available in the Elite tiers, with an ICM range compare tool built in. Pricing sits between DTO's Grinder and High Roller tiers while including what DTO reserves for Super High Roller: $24.99/month for a single format ($149.99/year, about $12.50/month effective) or $39.99/month for all three formats ($239.99/year, about $20/month). One subscription covers web, iOS, Android, and a native macOS app, synced. There is a permanent free tier with no credit card: you can [browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/) and play daily free trainer hands today. It currently holds 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), with 22,500+ players in 175 territories. GTO Wizard GTO Wizard is the market leader, and for deep study it earns the title: an enormous solution library, an AI solver, nodelocking, PLO support, and 3-way spots. The objection is cost. After the March 2026 price increase, paid plans run from $39/month for Starter to $99 for Premium and considerably more for the top tiers, and the price is a constant complaint on poker forums. Our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) and [GTO Gecko vs GTO Wizard comparison](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard) cover the tradeoffs in detail. For a heavy-volume pro who studies daily and bills the subscription against real win-rate gains, it is a justifiable spend. Octopi Poker Octopi Poker takes a different angle: alongside its training tools and Visual Game Tree, the Vault lets you review real final-table hands from Triton, WSOP, and PGT events with professional analysis, and weekly coaching is part of the package. The Professional plan runs $65/month or $600/year as of June 2026. Like DTO it is MTT-centric, but for tournament players who learn best from real hands it is a credible pick. We rank it among the [best poker solver platforms](https://gtogecko.com/blog/best-poker-solvers) for that niche. One more note for Omaha players, since neither DTO nor most alternatives cover it: our sister app [PLO Edge](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide) offers a PLO preflop solver, preflop trainer, and postflop trainer on mobile for a flat monthly price. DTO Poker Review FAQ Is DTO Poker good for beginners? Yes, with a caveat. The free preflop solutions and the $9.99 Grinder tier are an inexpensive way to learn tournament fundamentals, and the simplified strategies are easier to absorb than raw solver output. The caveat is feedback: without EV-loss numbers, beginners cannot tell big mistakes from trivial ones, which slows down improvement. How much does DTO Poker cost per month? As of June 2026, DTO Tournament costs $9.99/month (Grinder), $29.99/month (High Roller), or $99.99/month (Super High Roller), with annual plans priced at ten months. DTO Cash is separate at $9.99 or $39.99 per month. A free tier includes all preflop solutions and one postflop training spot. Does DTO Poker have a free version? Yes. The free tier is permanent and includes access to all preflop solutions, unlimited training in one postflop spot, and the community Discord. It is one of the more generous free tiers in the category, especially for preflop study. Is DTO Poker better than GTO Wizard? They serve different players. DTO is cheaper to enter and more focused on simplified MTT drilling; GTO Wizard has a far deeper library, an AI solver, nodelocking, and PLO, at several times the price. For full EV feedback, DTO's $99.99/month tier actually costs more than GTO Wizard's $99 Premium plan, which weakens DTO's budget argument at the high end. Does DTO Poker work for cash games? Only at a basic level. DTO Cash offers 21 training spots on the $9.99 Beginner plan and 38+ on the $39.99 Pro plan, covering 6-max and heads-up. There is no straddle or ante-table coverage and no custom solving, so dedicated cash players will outgrow it quickly. The Bottom Line DTO Poker is a legitimate product from people who deeply understand tournament poker. As a cheap MTT drilling tool, it earns its place: the free preflop library and $9.99 entry tier are honest value. But the pricing ladder works against the players who need it most. Real EV feedback, the thing that turns reps into improvement, costs $99.99/month, and at that price the comparison shopping stops being close. If you want EV feedback on every hand, a solver for custom spots, and coverage across cash, MTT, and Spin & Go for $39.99/month or less, [try the free trainer hands and preflop library on GTO Gecko](https://play.gtogecko.com/) and see how the feedback loop compares before you commit to anything. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Final Table ICM Strategy: How Pay Jumps Change Every Decision https://gtogecko.com/blog/final-table-icm-strategy Every final table has a moment where the chips say one thing and the money says another. You hold a hand that crushes your opponent's range, the pot odds are generous, and the correct play is still to fold. Players who do not understand why donate real dollars without ever realizing it. That gap between chip math and money math is the Independent Chip Model (ICM), and at a final table it touches every decision: who you attack, who you avoid, which hands you stack off with, and when folding for twenty minutes straight is the most profitable line available. For the ground-floor version, start with our [introduction to ICM poker strategy](https://gtogecko.com/blog/icm-poker-strategy). Below: a four-handed example computed with a real ICM model, bubble factors, big-stack bullying math, ladder timing, and the most expensive ICM punts in the game. Why Do Chip EV and Dollar EV Diverge at a Final Table? Chip EV measures decisions in tournament chips; dollar EV measures them in prize money. They diverge because payouts are a ladder: each chip added to your stack is worth slightly less than the one before it, and busting forfeits every pay jump you would have reached by simply surviving. Chips and dollars stop being interchangeable. The nonlinearity is bigger than most players expect. In the example below, the chip leader holds 45% of the chips but only about 32% of the remaining prize money. The shortest stack holds 12.5% of the chips and nearly 20% of the money. Once the payouts are a ladder, doubling your stack never doubles your dollar equity. When losing chips costs more than winning the same chips earns, every all-in needs more equity than the [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) alone suggest. How much more is exactly what ICM computes. A Worked ICM Example: The Call That Wins Chips and Burns Money Here is a four-handed final table where the chip math screams call and the money math says fold. Every number below comes from a real Malmuth-Harville ICM calculation, not hand-waving. The gap between the two answers is the reason final table strategy exists as its own discipline. The Spot - Payouts: 1st $10,000 · 2nd $6,000 · 3rd $4,000 · 4th $2,800 - Blinds: 25,000 / 50,000, no ante - Chip leader (SB): 1,800,000 (36bb) - Hero (BB): 1,000,000 (20bb) - Cutoff: 700,000 (14bb) - Button: 500,000 (10bb) The chip leader open-shoves from the small blind, as he has all day. You assign him a 40% jamming range and look down at A ♥ J ♣ in the big blind. First, the chip math. You call 950,000 to play for a 2,000,000-chip pot, so you need 47.5% equity. Against a 40% jamming range, A ♥ J ♣ has roughly 59.5% equity. Calling wins about 240,000 chips on average, almost five big blinds. In a cash game, folding here would be a blunder. Now the money math. Run the three possible outcomes through ICM and the picture flips: Outcome Hero's stack Hero's $ equity Fold 950,000 (19bb) $5,770 Call and win 2,000,000 (40bb) $7,548 Call and lose 0 (bust in 4th) $2,800 Winning the pot gains you $1,778 in equity. Losing it costs you $2,970. To break even in dollars you need (5,770 − 2,800) / (7,548 − 2,800) = 62.6% equity , a full 15 points above the chip breakeven. Your A ♥ J ♣ at 59.5% falls short: calling costs about $145 compared to folding, even though you are nearly a 60/40 favorite against his range. Here is how the borderline hands shake out against that same 40% jam: Hand Equity vs jam Chip verdict ICM verdict AJo 59.5% Easy call Fold (−$145) AQo 61.6% Easy call Fold (−$48) 99 62.2% Easy call Breakeven (−$17) AQs 63.8% Easy call Call (+$56) TT 66.4% Easy call Call (+$180) The chip EV calling range here is roughly a quarter of all hands. The ICM calling range collapses to about 4%: TT or better, AQ suited, and AK. Pocket nines, a hand most players cannot physically fold as a favorite, is a dollar coin flip. That is what 15 points of risk premium does. Every ICM answer is only as good as the range behind it, so if [assigning ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) feels shaky, fix that first. What Is a Bubble Factor in Poker? A bubble factor is the dollar cost of losing a chip divided by the dollar value of winning one. It compresses the entire ICM situation into a single number. A bubble factor of 1.5 means lost chips hurt 50% more than won chips help, so you need substantially better than fair pot odds before risking your stack. In the example above, Hero's bubble factor against the chip leader is about 1.85: every chip lost costs 1.85 times what every chip won is worth. The practical translation is the risk premium, the extra equity you need above the chip breakeven. Here it was 15.1 points. Bubble factors are matchup-specific, not table-wide. The same player can have a 1.9 bubble factor against the stack that covers him and 1.15 against the shortest stack. Rough guideposts: Spot Typical bubble factor Practical effect Early MTT, deep stacks 1.0–1.1 Play close to chip EV Mid stack vs cover, money bubble 1.5–2.5 Fold most marginal stack-offs 2nd stack vs chip leader, final table 1.5–2.0 Premium-only calls Short stack vs short stack 1.1–1.3 Near chip EV, gamble freely Satellite bubble 3.0+ Fold almost everything The satellite row deserves its own warning label. When every remaining payout is identical, chips you do not need are worth almost nothing and busting costs everything, so bubble factors explode. Our [satellite strategy guide](https://gtogecko.com/blog/poker-satellites) covers why folding aces preflop becomes correct there. How Big Stacks Weaponize ICM Pressure Big stacks attack final tables because covering an opponent inverts the math. The covered player needs far more equity than pot odds suggest, while the chip leader risks chips that barely dent his own dollar equity. Solvers respond by shoving and re-stealing into medium stacks at frequencies that look reckless and are not. Go back to the worked example, but stand on the chip leader's side. His 40% jam forces a 20bb opponent to fold all but roughly 4% of hands. More than 19 times out of 20 he picks up 50,000 chips uncontested, and when called he still has live equity. The jam profits in chips and profits harder in dollars, because many of the folds he generates come from hands that beat him. Three rules keep the bullying profitable instead of reckless: - Target the middle, not the bottom. The second and third stacks carry the heaviest bubble factors; the shortest stack plays closer to chip EV and looks you up wider. Attack the players who can afford to fold. - Pressure with bets, not calls. Even the chip leader has a bubble factor above 1.0 against the second stack, and doubling him up hands the whip to someone else. Shove wide, call tight. - Scale aggression to the jumps. The bigger the next pay jump relative to opponents' stacks, the wider you can profitably attack. When jumps are trivial, fold equity shrinks and your jams need real hands. This is baseline ICM strategy, not an exploit. Against opponents who over-fold beyond what ICM demands, push further; against stations who refuse to ladder, tighten back up. The [GTO versus exploitative framework](https://gtogecko.com/blog/gto-vs-exploitative) applies at final tables too, just with the dollar-EV baseline replacing the chip-EV one. Short-Stack Ladder Timing: When Folding Into Pay Jumps Pays Ladder timing is the skill of choosing when survival beats accumulation. Fold into a pay jump when another player is likely to bust before the blinds consume you; gamble when the jumps are small relative to the money up top. The inputs are simple: the other stacks, the blind clock, and the payout sheet. Take the button's seat in our example: 10bb, $2,800 locked, $4,000 one elimination away. That jump is worth $1,200, over 40% of his current guarantee. If the cutoff gets all-in against the chip leader, the button can correctly fold hands he would normally jam. A sharper version: you have 6bb and another player has 1.5bb with the big blind about to hit him. Surviving one more orbit costs a couple of blinds at most, while his bust probability is enormous. Open-jamming K9o into a covering stack right now risks that same nearly-locked $1,200 pay jump to win the 1.5bb in blinds. The fold that looks weak is the play that prints. Two corrections, though. First, laddering is only worth what the jump is worth: when payouts are top-heavy, hoarding 4bb while the blinds eat you is its own punt, because the real money lives in the top two finishes. Second, a short stack still needs chips to win with. Fold into one jump, then move before you blind down past fold-equity territory. Our [short-stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers the push/fold mechanics that pair with this timing. How Pay Jump Size Shapes Final Table Dynamics Flat payout structures reward survival and produce tight, cooperative tables; top-heavy structures reward accumulation and play much closer to chip EV. The steeper the next jump relative to a player's dollar equity, the more that player tightens, and the more profitable aggression becomes for whoever covers the table. You can read a final table's temperament off the payout sheet. Jumps of 20–40% per spot produce a standard ICM game: medium stacks cautious, big stack aggressive, shorts picking spots. Winner-take-most structures play fast and flippy, because second place is barely better than fifth. Nearly flat structures produce a grinding survival contest where the first player to gamble light is usually the worst player at the table. Dynamics also shift hand to hand. Once a micro stack is all-in, the remaining players' incentives align: busting him moves everyone up the ladder, which is why checking down a multiway pot against an all-in player is standard. That is independent incentive, not collusion. And the hand after a bust, watch the table loosen all at once as bubble factors reset. The extreme end is the satellite, where every payout is identical and the survival pull becomes absolute. If you play them, the [dedicated satellite guide](https://gtogecko.com/blog/poker-satellites) is mandatory reading, because near-bubble satellite strategy barely resembles poker. What Are the Most Common ICM Punts? Most ICM mistakes are not exotic. They are ordinary plays, correct in a cash game, transplanted into a spot where chips and dollars have decoupled. These six cover most of the money lost at final tables: - Calling too wide as the mid stack. The worked example above is the canonical punt: a mid stack calling off against a cover with a hand that crushes the range and still burns money. If you remember one number from this article, make it the 15-point risk premium. - Ignoring the effect on spectators. Under ICM, a chip-fair gamble between two players can transfer expected prize equity to the rest of the table. That average benefit does not mean every outcome helps each bystander: [an unchanged stack can lose ICM equity when the short stack doubles](https://gtogecko.com/blog/icm-equity-without-playing). Keep the probability-weighted forecast separate from the result that actually occurs. - Calling too loose as the chip leader. Covering everyone does not make your calls free. Chips you win are worth less than chips you lose even at the top of the counts, and doubling up the second stack costs the table captaincy on top of the equity. - Re-jamming dominated aces into a pay jump. A8o is a fine re-shove deep in a tournament. Three-handed with a $2,000 jump pending and a covering opener, it is a torch: when called, you are flipping at best and dominated at worst, exactly where your risk premium peaks. - Playing big pots with capped ranges out of position. ICM does not stop at preflop. Flatting wide out of position means your bubble factor gets applied to guesses on turns and rivers. Final table postflop play wants tighter and simpler ranges because every big-pot mistake is amplified in dollars. - Over-folding as the short stack. The mirror-image leak. With 8bb and the shortest stack, your bubble factor against the other shorts is far closer to 1.0 than to the number you face against a cover. Folding A9s on the button "to ladder" protects equity you do not have. Can Folding Kings Preflop Ever Be Correct? Yes, but almost never at a standard final table. Folding KK preflop becomes correct in satellites, where chips you do not need are worthless, and in rare multi-way ladder spots where calling risks your tournament life while shorter stacks stand to bust first. Under a normal payout structure, against a single opponent, kings are a call. The satellite case is clean. Twenty-three identical seats, twenty-four players left, average stack, and the chip leader open-jams: folding K ♠ K ♦ is not close, and folding A ♠ A ♥ is usually right too. Folding nearly locks your seat; calling converts a near-certain payout into an 80/20 at best. An 80% chance of everything is worse than a 97% chance of the same everything. The non-satellite cases live at the extremes: a near-flat structure, action in front involving stacks that cover you, and a micro stack already committed elsewhere. When a cover jams and another cover calls before you act, kings can slide into fold territory, because you are no longer beating one range but two, with your entire ladder on the line. Frame it honestly, though: if you fold kings preflop more than about once a year outside satellites, you are misapplying ICM, not mastering it. The model justifies extreme folds in extreme structures. It does not justify nitting your way out of premium hands every time money is on the line. How to Train Final Table ICM Decisions Effective ICM study means comparing two answers for every spot: the chip EV play and the dollar EV play. The hands that flip between them are your study list. Drill those flips until the tighter calling ranges and wider covered-stack shoves feel normal at the table instead of uncomfortable. Our [comparison of MTT training apps](https://gtogecko.com/blog/best-mtt-poker-training-apps) covers which tools actually ship ICM spots and what each one charges for them. This is exactly what GTO Gecko's ICM Range Comparison is built for. You pull up a final table spot and view the same node side by side across ICM stages, or overlay two of them in one matrix. The lowest-pressure stage plays close to chip EV, so the hands that flip stand out instantly: the AJo that turns from call to fold, the K7s that becomes a shove once you cover. ICM-aware MTT solutions are part of the Elite tiers and sit alongside the standard MTT library, so the comparison is apples to apples. Our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the broader workflow, and if you are shopping for a dedicated ICM tool, our [ICMIZER alternatives comparison](https://gtogecko.com/blog/icmizer-alternatives) prices every serious option. Then make it automatic. The preflop trainer drills these jam/call decisions with an ELO rating that tracks improvement, and the adaptive engine re-serves the spots you misplay until they stop leaking. You can [open the preflop range library and trainer on GTO Gecko](https://play.gtogecko.com/) on the web app or the iOS, Android, and macOS apps, with one subscription covering all of them in sync. Final Table ICM Strategy FAQ How much tighter should I call at a final table? It depends on who covers whom, but a useful anchor is the risk premium: against a covering stack, expect to need 8–15 percentage points more equity than the pot odds suggest, which often cuts a calling range from 25% of hands down to 4–6%. Against stacks you cover, you play much closer to chip EV. Does ICM apply heads-up? No. Once two players remain, second-place money is locked and every remaining dollar rides on who wins the chips, so chip EV and dollar EV converge and you play pure chip-maximizing poker. The same logic makes winner-take-all formats ICM-free from the first hand; see our [Spin & Go strategy guide](https://gtogecko.com/blog/spin-and-go-strategy) for that world. Do poker solvers account for ICM? Only if the solution was built with an ICM payout model; a standard chip EV solve silently assumes every chip is worth the same. That assumption is fine for cash games and early tournament play, and wrong at final tables. GTO Gecko's Elite tiers include ICM-aware MTT ranges alongside the chip EV library so you can study both versions of the same spot. How does ICM affect final table deals? An ICM chop uses a model of finishing probabilities from stacks and payouts to propose each player's allocation. It is a reference value, not a measurement of true equity or a requirement to accept a deal. If money stays in play for the winner or another finish, distinguish the fixed guarantee from the contested prize. Our [ICM deal accounting worksheet](https://gtogecko.com/blog/icm-deal-money-left-to-play) shows how to reconcile both amounts. Is stalling at a final table a legitimate ICM strategy? No rule of ICM overrides tournament procedure. The [2026 WSOP rules](https://assets.wsopcdn.com/wsop/1a72ba28-781c-409d-a9c3-5ca13c4c5718.pdf), for example, allow officials to reduce a clock or issue a penalty for intentional delay, including burning time banks to ladder. Make laddering decisions through hand selection rather than clock abuse; our [hand-for-hand rules guide](https://gtogecko.com/blog/hand-for-hand-poker-rules) separates synchronized batches from deliberate stalling. Does bankroll size change how I should play ICM spots? The ICM math is the same regardless of your roll, but variance tolerance is not. Thin dollar-EV gambles at final tables are exactly where under-rolled players go broke. Run your numbers through the free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator), and see our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) for how deep an MTT roll needs to be. Play for the Money, Not the Chips Final table poker is a different game wearing the same clothes. The cards have not changed, but the unit of account has. A 59.5% favorite folding is not weakness; it is the correct answer to a question most of the table never thinks to ask. The mechanics are learnable. Know your breakeven equity, add the risk premium for whoever covers you, attack the stacks that cannot afford to fight back, and time your ladders off the payout sheet instead of your ego. Then drill the spots where chip EV and dollar EV disagree until the right play stops feeling wrong. When you are ready to see the gap for yourself, [open a final table spot on GTO Gecko](https://play.gtogecko.com/) and flip between the chip EV and ICM ranges. The first time you watch pocket nines change color, the 15-point risk premium stops being theory and becomes the reason you cash bigger. ### Flopzilla & Equilab in 2026: Modern Alternatives for Mac & Mobile https://gtogecko.com/blog/flopzilla-equilab-alternatives Flopzilla and Equilab taught a generation of poker players how to think in ranges. Ask any winning reg over 30 what software they studied with before solvers existed, and you will hear one of these two names. Both tools earned their reputation honestly: they were cheap or free, blazingly fast, and they made abstract range concepts visible on screen. There is just one problem. Both are Windows desktop programs from another era, and neither has ever shipped a Mac, mobile, or web version. If you grind on a MacBook, study on your phone, or simply want tools that reflect how poker is actually studied in 2026, you need alternatives. This guide covers what made Flopzilla and Equilab great, where they fall short today, and which modern tools do the same jobs better, starting with options that cost nothing. What Made Flopzilla and Equilab So Popular? Flopzilla and Equilab dominated poker study from roughly 2010 to 2018 because they were fast, affordable, and visual. Flopzilla (a $25 one-time purchase) showed exactly how a range connects with any flop. Equilab (completely free) calculated hand-vs-range and range-vs-range equity in seconds. Nothing else at the time came close for the price. Flopzilla's core trick was board texture analysis. You enter a preflop range, deal a flop, and instantly see what percentage of that range flopped top pair, a flush draw, a gutshot, or air. Then you filter: keep only the hands that continue against a bet and see how the range changes on later streets. For learning how [ranges interact with boards](https://gtogecko.com/blog/understanding-ranges-in-poker), it was genuinely ahead of its time. Equilab, built by PokerStrategy.com, attacked a different problem: equity. It answered questions like "how much equity does A ♠ K ♠ have against a 15% opening range?" It shipped with preset ranges, a scenario analyzer, and even a built-in equity trainer. The price tag of zero made it the default first tool for millions of players. Respect where it is due: both programs still do their original jobs fine. The problem is not that they got worse. It is that the rest of poker software moved on without them. Can You Run Flopzilla or Equilab on a Mac? No. As of June 2026, neither Flopzilla nor Equilab has a native Mac version, and neither has a mobile app or web version. Mac users must run Windows through Parallels, Boot Camp, or a virtual machine just to open them. The practical alternative for Mac, iPhone, and Android users is a browser-based or native cross-platform tool. The workarounds all carry friction. Parallels costs more per year than Flopzilla costs once. VirtualBox is free but clunky, and Wine-based hacks for Equilab break with macOS updates. You end up maintaining an entire Windows installation to run a single equity calculator, which made sense in 2014 and makes very little sense now. For quick equity work on a Mac (or any device with a browser), a free tool like the [GTO Gecko poker odds calculator](https://gtogecko.com/poker-odds-calculator) covers the core Equilab use case with zero installs: hand vs hand, hand vs range, on any street. If you want a full study platform rather than a single calculator, GTO Gecko also ships a native macOS app alongside its web, iOS, and Android apps, with one subscription synced across all of them. Flopzilla vs Equilab: What Is the Difference? Equilab is a free equity calculator: it tells you how often a hand or range wins. Flopzilla is a paid range-analysis tool: it tells you what a range is made of on a given board. They overlap on basic equity math, but serious students historically ran both, because each does one job the other does poorly. Feature Flopzilla / FlopzillaPro Equilab Price $25 one-time (lifetime) Free Platforms Windows only Windows only Core strength Range vs board breakdown, filtering Fast range vs range equity GTO strategy output None None If you forced a choice between the two on a Windows machine, Flopzilla is the deeper study tool and Equilab is the faster answer machine. The last row of that table is the one that matters in 2026, though. Neither tool tells you what to do with the information it gives you. More on that below. Where Flopzilla and Equilab Are Stuck Both tools share four structural limitations in 2026: they run only on Windows, they output equity rather than strategy, they have no solver integration, and their interfaces predate modern UX standards. None of these is fixable with an update. They are equity-era tools living in a solver-era game. Walk through each one. The Windows lock-out grows worse every year as more players study on Macs, tablets, and phones. A study tool you can only open at your desktop PC is a study tool you use less. The strategy gap is the bigger issue. Knowing your range has 54% equity on K ♥ 8 ♦ 3 ♣ is a starting point, not an answer. Should you bet 33% pot or check your whole range? Which hands check-raise? Equity calculators cannot say, because the answer depends on how both full ranges play across every future street. That is a solver question, and these tools were built a decade before solver output became the standard of proof in poker study. To be fair, Flopzilla is not abandoned software. The $25 license now covers FlopzillaPro (effectively Flopzilla 2), and it still receives updates, with a new build shipping as recently as December 2025. Equilab, by contrast, has been essentially frozen for years. PokerStrategy points upgraders toward Power-Equilab, a paid third-party successor. The Best Flopzilla and Equilab Alternatives in 2026 The best alternative depends on the job. For free equity and range work on any device, GTO Gecko's web tools and free range library cover both legacy use cases. For Windows die-hards, FlopzillaPro and Power-Equilab remain solid. For players who want strategy output rather than raw equity, a solver platform is the real upgrade. Tool Price (June 2026) Platforms Best for GTO Gecko Free tier; paid from $24.99/mo Web, iOS, Android, macOS Equity + ranges + GTO on any device FlopzillaPro $25 one-time Windows Deep board-texture filtering Power-Equilab From ~$3.49/mo Windows Advanced Equilab-style equity work PioSolver $249-$475 one-time Windows Running your own custom sims GTO Gecko: Free Equity and Range Tools on Any Device GTO Gecko's free tier replaces both legacy tools without an install. The [free poker odds calculator](https://gtogecko.com/poker-odds-calculator) handles the Equilab job: equity for any matchup, in the browser, on whatever device you are holding. The free preflop range library handles the Flopzilla-adjacent job of studying real range construction, with solver-built [opening and defending ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) for every position. Both are permanently free, with no credit card required. There is also a free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) if tournaments are your thing. The difference shows up when you want more than equity. The paid platform adds a massive presolved library of preflop and postflop solutions for Cash, MTT, and Spin & Go, true 3-way multiway postflop solutions (still rare in the market), a built-in solver for custom spots, and three trainers with ELO tracking that re-serve the spots you misplay. An explainability engine breaks down why the solver action is right in plain English, which is exactly the layer Flopzilla never had: not just "your range hits this board 38% of the time," but "here is the play, and here is why." Pricing as of June 2026: a single format runs $24.99/month or $149.99/year (about $12.50/month effective), and all-access covers all three formats at $39.99/month or $239.99/year. It is rated 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), with 22,500+ players in 175 territories. You can [browse the free preflop library and odds calculator on GTO Gecko](https://play.gtogecko.com/) right now and see whether it covers your old Flopzilla and Equilab workflow before paying anything. FlopzillaPro: The Honest Pick for Windows Loyalists If you are on Windows and you specifically love the filter-down-the-streets workflow, FlopzillaPro is still excellent at it. The $25 lifetime license covers two computers and includes both the original Flopzilla and the Pro version, and the developer keeps shipping updates. For pure board-texture exploration at that price, nothing modern undercuts it. Its limits are the same as ever: no Mac, no mobile, no GTO output. Power-Equilab: Equilab With the Missing Features Power-Equilab is what Equilab would have become with continued development: weighted ranges, deeper scenario analysis, and more flexible equity calculations, from roughly $3.49/month as of June 2026 (cheaper paid annually). It is the natural upgrade for players who outgrew free Equilab but want to stay in that exact workflow. It remains Windows-only, so the Mac and mobile problem stands. Full Solvers: When Equity Stops Being the Question If your study questions have shifted from "what is my equity?" to "what is the play?", an equity calculator upgrade will not get you there. PioSolver ($249 for Pro, $475 for Edge, one-time, Windows-only as of June 2026) is the pro standard for running your own simulations, though it has no trainer, no presolved library, and a steep learning curve. Our [PioSolver alternatives guide](https://gtogecko.com/blog/piosolver-alternatives) covers the easier paths, and the broader [best poker solvers roundup](https://gtogecko.com/blog/best-poker-solvers) compares the whole field. Why Is a Solver Better Than an Equity Calculator? An equity calculator tells you the score; a solver tells you the play. Equity is a single number describing how often you win at showdown. Strategy is a full plan: which hands bet, which size, which hands check-raise, and how every decision changes on each runout. Equity is an input to that plan, never the plan itself. Here is a concrete example. Give A ♠ 5 ♠ to Equilab on Q ♥ 7 ♥ 2 ♦ against a big blind defending range and it reports something like 45% equity. Useful, but ambiguous. A solver looking at the same spot says: bet small at high frequency, because the hand has a backdoor nut flush draw, an overcard, and it [blocks the ace-high hands](https://gtogecko.com/blog/blockers-unblockers) that continue against you. One tool hands you a number. The other hands you a decision with a reason attached. This is the deeper shift the legacy tools missed. Flopzilla-style range breakdowns and Equilab-style equity numbers are now intermediate steps that solvers compute internally on the way to an answer. Understanding [how equity actually works](https://gtogecko.com/blog/poker-equity-explained) and how it interacts with [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) is still essential foundation work. So is [counting combos](https://gtogecko.com/blog/combo-counting) within a range. But once the foundations are in place, the highest-value question changes, and our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) picks up exactly where the equity tools leave off. None of this means you wasted your time with the old tools. Players who studied with Flopzilla tend to read solver outputs faster, because they already think in range-vs-board terms. The skills transfer. The software just does not. Flopzilla and Equilab FAQ Is there a Flopzilla version for Mac? No. As of June 2026, Flopzilla and FlopzillaPro run only on Windows. Mac users need Parallels, Boot Camp, or a virtual machine. If you want native range analysis on a Mac, use a cross-platform tool instead; GTO Gecko, for example, runs in the browser and also ships a native macOS app. Is Equilab still free? Yes. The original PokerStrategy.com Equilab remains free to download for Windows, and an Omaha version exists as well. Development has been dormant for years, though, and the feature-extended successor, Power-Equilab, is a paid subscription from about $3.49/month as of June 2026. What is the best free alternative to Flopzilla? For range study, the free preflop range library on GTO Gecko lets you browse solver-built ranges for every position on any device. For the equity side of the workflow, GTO Gecko's free poker odds calculator runs in any browser. Neither requires a download, a Windows PC, or a credit card. Can I use Flopzilla or Equilab on my phone? No. Neither tool has ever released an iOS or Android app, and there is no web version of either. They are desktop Windows programs. Players who study on mobile need a different stack entirely, which is a major reason modern platforms ship native apps across iOS, Android, and the web. Is Flopzilla still worth it in 2026? For a Windows player who wants a cheap, focused board-texture tool, yes; $25 once for a still-maintained program is fair value. For everyone else, no. It cannot follow you off the desktop, and it stops at equity and range composition exactly where modern study, driven by solver output, begins. Keep the Skills, Retire the Software Flopzilla and Equilab deserve their place in poker history. They made range thinking accessible for the price of a buy-in or less, and the mental models they taught still hold up. The programs themselves do not. Windows-only software with no strategy output is a poor fit for how poker is studied in 2026, no matter how fondly we remember it. The upgrade path costs nothing to test. Run a few matchups through the free odds calculator, browse the free range library, and use the daily free trainer hands on [play.gtogecko.com](https://play.gtogecko.com/) to see what equity work looks like when a solver sits behind it. If it covers your old workflow, you just got Flopzilla and Equilab back, on every device you own, with the strategy layer they never had. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Free GTO Poker Resources That Are Actually Free (2026) https://gtogecko.com/blog/free-gto-resources Search for free GTO resources and you mostly find bait. "Free" turns out to mean a seven-day window, a credit card form, or three locked screens between you and anything useful. This roundup is different: everything below is permanently free, verified in June 2026, and worth actual study time. That includes the free tier on our own platform, which we will describe factually alongside everyone else's. It also includes open-source solvers we do not make a cent from, competitor free plans that are genuinely decent, and an honest section on where free study runs out of road. What Free GTO Study Tools Actually Exist in 2026? Genuinely free GTO resources fall into five buckets: free preflop range libraries, open-source solvers like TexasSolver, daily allowances on commercial trainers, free poker math calculators, and YouTube strategy content. None of them expire or require a card. The limitation is depth and volume, not a countdown timer. Resource type Best free options The catch Preflop range libraries GTO Gecko, Lucid, DTO, Octopi Postflop stays paywalled Solvers TexasSolver (open source) You run every sim yourself Trainers Daily free hands on several apps Volume caps Math tools Odds calculators, Equilab None, really Video YouTube strategy channels Unstructured, easy to watch passively If you are brand new to solver-based study, start with our primer on [what GTO poker actually means](https://gtogecko.com/blog/what-is-gto-poker) before diving into the tools below. The tools make far more sense once you understand what an equilibrium strategy is trying to accomplish. Where Can You Get Free GTO Preflop Charts? Several platforms now give away full preflop range libraries at no cost. GTO Gecko's free tier includes the complete preflop library — every position, stack depth, and pot type across Cash, MTT, and Spin & Go — with no credit card and no expiry. Lucid, DTO, and Octopi also publish free preflop ranges. Preflop is the logical place for free access because it is finite. There are 169 starting hands and a manageable number of common spots, so giving the charts away costs platforms little while postflop libraries stay behind the paywall. Take advantage of that: preflop is also where most low-stakes money is lost, as we covered in our guide to [GTO opening ranges by position](https://gtogecko.com/blog/preflop-charts-opening-ranges). Here is the free preflop landscape as of June 2026: - GTO Gecko: the full preflop range library free, browsable on web, iOS, Android, and macOS. Includes raise-first-in, facing-a-raise, 3-bet, and 4-bet nodes with mixed frequencies shown, not simplified pure-strategy approximations. You can [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/) without creating anything more than a login. - Lucid: free preflop ranges for Cash, Live, MTT, and Spins, plus a daily GTO quiz called Cardle. A solid free tier from the Doug Polk-backed platform. - DTO: free preflop ranges on the cash side, with the trainer-first design the platform is known for. - Octopi Poker: the free Community plan includes preflop range exploration plus access to weekly coaching sessions and their Discord, which is unusually generous for video content. One warning about random chart PDFs floating around forums: many are years old, simplified to pure strategies, or built for sizings nobody uses. A 2018 chart assuming a 3x open at 100bb will steer you wrong in today's 2.2x-2.5x games. Prefer a maintained library over a static download, and learn [how ranges actually work](https://gtogecko.com/blog/understanding-ranges-in-poker) rather than memorizing colors on a grid. Is There a Completely Free Poker Solver? Yes. TexasSolver is a fully open-source GTO solver, free for personal use, with a GUI for Windows, macOS, and Linux. It solves the same equilibrium math as commercial desktop solvers and benchmarks competitively with them in common configurations. The cost is your own time: you configure and run every simulation yourself. For a tool that costs nothing, TexasSolver is remarkable. You set the ranges, bet sizes, and board, hit solve, and get real equilibrium strategies you can drill into street by street. The project lives on GitHub, and a newer GPU version speeds up solves dramatically if you have the hardware. There is also wasm-postflop, an open-source solver that runs in your browser. Its development is suspended, but it still works and remains a quick way to check a single spot. Now the honest part. Free solvers come with three real costs: - Setup skill. A solver output is only as good as its inputs. Feed it the wrong preflop ranges or miss a bet size the spot needs, and you get a confident-looking answer to a question nobody asked. Our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the input mistakes that ruin sims. - Compute time. Complex trees take minutes to hours on a laptop. Studying twenty flops means twenty solves. - No library. Commercial platforms sell presolved databases precisely because solving everything yourself does not scale. With a free solver you study one spot at a time, deeply. That is valuable, but it is a different activity from reviewing a session. If you outgrow free and want to stay cheap, GTO+ is the long-standing budget option at $75 one-time (verified June 2026): a capable desktop solver from the Flopzilla developers, Windows-only, no presolved library. For the full landscape from free to professional, see our breakdown of the [best poker solvers in 2026](https://gtogecko.com/blog/best-poker-solvers). Which Free GTO Trainers Are Worth Using Daily? You can build a real daily drilling habit from free allowances alone. GTO Gecko gives you free trainer hands every day on its preflop, postflop, and full-hand trainers. GTO Wizard's free plan allows 10 practice hands per day, DTO offers free spots, and Octopi's Community plan includes button-position drills. Drilling matters more than reading. Knowing the button opens 43% of hands is trivia; folding K ♠ 5 ♠ from UTG without thinking is skill. Trainers convert the first into the second through repetition with instant feedback. Trainer Free allowance (June 2026) Notes GTO Gecko Daily free hands, all 3 trainers Preflop, postflop, and full-hand modes; graded against the solver GTO Wizard 10 practice hands/day, 1 postflop spot/day Plus 5 analyzed hands per month DTO Free spots + free cash preflop ranges Trainer-first design, strongest for MTT Octopi Button-spot drills + weekly coaching Community plan, MTT-centric Lucid Daily Cardle quiz + preflop ranges One puzzle a day with solver reasoning A practical trick: stack the allowances. Run your GTO Gecko hands, then GTO Wizard's ten, then the daily Cardle. That is a 15-20 minute routine costing nothing, and it beats an hour of passive video. GTO Gecko's trainers are also on [iOS](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) and [Android](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver), so the daily hands fit into a commute. Each platform's free trainer has a different personality, which is genuinely useful: GTO Wizard's practice mode is polished, DTO's tournament spots are well chosen, and Octopi's weekly coaching gives you human explanation that pure drilling lacks. For how these platforms compare beyond their free tiers, see our guide to the [best GTO apps and platforms](https://gtogecko.com/blog/best-gto-apps-platforms). What Free Poker Calculators Should You Bookmark? Two categories cover most needs: equity calculators and bankroll tools. GTO Gecko's [free poker odds calculator](https://gtogecko.com/poker-odds-calculator) handles hand-vs-hand and hand-vs-range equity in the browser with no signup, and the [free MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) tells you what buy-ins your roll supports. Equilab remains the free desktop standard. Equity intuition is the cheapest edge in poker. Most players guess at numbers a calculator would correct in five seconds: A ♠ K ♠ against a pair of queens is a near coin flip at roughly 46%, while A ♥ K ♦ offsuit drops about three points. Run enough matchups and the estimates start coming pre-installed at the table. Pair the calculator with our guides on [poker equity](https://gtogecko.com/blog/poker-equity-explained) and [pot odds math](https://gtogecko.com/blog/pot-odds-poker-math) and the numbers stop being abstract. Equilab, from PokerStrategy.com, deserves its longevity. It is a free Windows program with range-vs-range equity, a scenario analyzer, and an equity trainer, plus a separate Omaha version. Its limits: Windows only, no mobile or Mac version, and a 2010s interface. The bankroll side is less glamorous but more important. Going broke ends more poker careers than bad strategy does, a point we hammer in [bankroll management for serious players](https://gtogecko.com/blog/bankroll-management-for-pros). Which YouTube Channels Teach Real GTO? Three channels consistently deliver solver-grade content for free: GTO Wizard's channel for theory deep-dives, Jonathan Little for daily hand analysis at high volume, and Upswing Poker for accessible strategy breakdowns. Add final-table replay channels, where you watch full tournaments with every hole card exposed. The GTO Wizard channel is the strongest pure-theory resource on the platform. Their aggregate-report videos and range-construction breakdowns would have been paid course material a decade ago. Credit where due: it is excellent marketing because it is excellent content. Jonathan Little posts several videos a week across thousands of uploads, mostly hand reviews, which train a different muscle than theory lectures. Upswing's channel covers common mistakes and bet-sizing concepts in plain language. And the replay tip is underrated: search for final table replays with hole cards up, pause before each decision, and decide before the player does. It is free range-reading practice against real fields. One caution: YouTube optimizes for watch time, not your win rate. An hour of video feels like study and often teaches less than ten drilled hands with feedback. Watch with a notebook, or watch less. What Free Gets You — and Where It Stops Free resources fully cover preflop ranges, poker math, daily low-volume drilling, and conceptual theory. They stop at postflop depth, study volume, leak tracking, multiway solutions, and ICM. That boundary is not an accident: platforms give away what is finite and charge for what is deep. Be realistic about what that boundary means for your game. A disciplined player using only free tools can absolutely beat low stakes, because low-stakes losses are dominated by preflop spew and basic math errors, which are exactly what free resources fix. Plenty of paying subscribers lose to free-tier grinders who actually do the reps. The ceiling appears postflop. Free tiers give you one spot a day or one slow self-solved sim at a time, and postflop competence is a volume problem: thousands of flop, turn, and river decisions across textures and pot types. Statistics are the other gap. Free tools grade individual hands but rarely track patterns across hundreds of them, and your biggest leaks are patterns, not single mistakes. ICM is thinnest of all: almost no quality [ICM-adjusted content](https://gtogecko.com/blog/icm-poker-strategy) is free anywhere, because the sims are expensive to produce. When you do hit that ceiling, the paid market spans a wide range. As of June 2026, GTO Wizard runs $49 to $279 per month after its March repricing (we break the tiers down in our [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing)), GTO+ is $75 once, and GTO Gecko starts at $24.99/month or $149.99/year for a single format — with the free tier above remaining free regardless. Whatever you pick, pick it because free study created a specific need, not because an ad created a vague one. A Free-Only Weekly Study Plan Here is a complete weekly routine using nothing above. It takes about 30 minutes a day: - Daily: burn every free trainer allowance you have: GTO Gecko hands, GTO Wizard's ten, the Cardle. Treat misses as homework, not noise. - Twice a week: pick one position in the free preflop library and study it until you can reproduce the range from memory. UTG one session, button the next. - Weekly: take the single hand that confused you most at the tables and solve it in TexasSolver. One deep sim beats five shallow ones. - Weekly: one YouTube video, chosen in advance, watched with notes. Then close the tab. - Monthly: rerun your numbers in the [bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) and adjust stakes honestly. Run that loop for three months and you will pass most of your player pool, free. Free GTO Resources FAQ Is there a completely free GTO solver? Yes. TexasSolver is open source and free for personal use on Windows, macOS, and Linux, with both a GUI and a console version. It produces real equilibrium solutions comparable to paid desktop solvers. The tradeoff is that you configure and run every simulation yourself, with no presolved library to browse. Is GTO Wizard free to use? Partially. As of June 2026, GTO Wizard's free plan includes one postflop spot per day, up to 10 practice-mode hands per day, and 5 analyzed hands per month. Full library and analysis access requires a paid plan, which now runs $49 to $279 per month after the March 2026 price change. Are free preflop charts good enough to beat low stakes? For the preflop portion of your game, yes. Free libraries from GTO Gecko, Lucid, and others contain the same solver-derived ranges paid users see. Low stakes are beatable on tight-solid preflop play plus basic postflop discipline. The gap free charts cannot close is postflop execution, which needs drilling volume. What is the best free GTO trainer? Combine them rather than choosing. GTO Gecko offers daily free hands across preflop, postflop, and full-hand trainers; GTO Wizard's free plan adds 10 practice hands a day; Lucid's Cardle adds a daily reasoning puzzle. Stacked together, that is a meaningful daily routine at zero cost. How much does poker software cost if I outgrow free tools? As of June 2026: GTO+ is $75 one-time for a self-solve desktop tool. Subscription platforms with presolved libraries range from $24.99/month (GTO Gecko, single format) to $279/month (GTO Wizard's top tier). Most players should exhaust free preflop and drilling resources before paying for anything. Start With the Free Shelf The free GTO ecosystem in 2026 is better than the paid ecosystem of 2018. An open-source solver, complete preflop libraries, daily graded drills, and free calculators cover everything a developing player needs for months. The players who plateau on free tools are almost never limited by the tools. If you want one place to start today, [open the free preflop library and trainer on GTO Gecko](https://play.gtogecko.com/) — no card, no countdown — and burn your first set of daily hands. The rest of this list will still be free tomorrow. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### GTO Gecko vs GTO Wizard: Honest 2026 Comparison https://gtogecko.com/blog/gto-gecko-vs-gto-wizard Disclosure first: we build GTO Gecko. You are reading a comparison written by one of the two companies in it, so apply whatever skepticism you think that deserves. We are going to be as fair as we can anyway, because the honest version of this page is the only useful one. GTO Wizard is an excellent product. It wins several categories outright, and for certain players it is the right choice. We will tell you exactly which players those are, in a section that gets the same weight as our own. Here is what follows: a side-by-side feature table, August 2026 pricing for both tools, a "where GTO Wizard wins" section, a "where GTO Gecko wins" section, and a straight verdict. No score out of ten, no fake suspense. GTO Gecko vs GTO Wizard at a Glance GTO Gecko is the affordable all-in-one: $39.99/month covers Cash, MTT, and Spin & Go on web, iOS, Android, and a native macOS app, with true 3-way postflop solutions and adaptive trainers included. GTO Wizard is the premium market leader: deeper custom solving, nodelocking, and a large coaching ecosystem, priced per format from $49 to $279 per month. Feature GTO Gecko GTO Wizard Entry price (monthly) $24.99 one format / $39.99 all formats $49 per format (Starter) Platforms Web, iOS, Android, native macOS, one synced subscription Browser-first, mobile apps; Table Wizard on Windows Presolved library Cash (incl. straddle/ante), MTT, Spin & Go Cash and Tournament libraries, heavily expanded in 2026 Custom solving Built-in on-device solver, all paid plans Cloud AI solver; custom solves gated by tier Nodelocking No Yes, Elite and Ultra tiers 3-way postflop solutions Included in base plans Custom 3-way solving reserved for top tiers Trainers Preflop, postflop, full-hand; ELO rating, adaptive drilling Drill and play modes, GTO reports Explains why an action is right SHAP machine-learning explanations in plain English Solver outputs, aggregate reports, coaching videos Table management software No Table Wizard (free, Windows) PLO Separate sister app (PLO Gecko, formerly PLO Edge; PLO4 and PLO5, mobile-only) In-platform Free tier Yes: range browsing, daily trainer hands, free tools Yes: limited spot browsing and previews If you are still deciding whether you need a solver tool at all, start with our primers on [what GTO poker actually means](https://gtogecko.com/blog/what-is-gto-poker) and [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver). The rest of this page assumes you want one and are choosing between these two. How Much Do GTO Gecko and GTO Wizard Cost? GTO Gecko costs $24.99/month for one format or $39.99/month for all three; annual billing drops the effective rate to about $12.50 and $20 per month. GTO Wizard charges per format as of August 2026: Starter $49, Premium $99, Elite $169, and Ultra $279 per month, with annual discounts on each tier. GTO Gecko Pricing Plan Monthly Annual Single format (Cash, MTT, or Spin & Go) $24.99 $149.99 (~$12.50/mo) All-access (all three formats) $39.99 $239.99 (~$20/mo) Quarterly billing also exists ($49.99 single format, $79.99 all-access). Every plan covers every platform: the same subscription works on the web app, iPhone, Android, and the native macOS app, with your progress synced across all of them. ICM-aware MTT ranges, for players who want bubble- and final-table-adjusted solutions, are part of the higher Elite plans. If ICM is new territory, our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy) explains why chip EV and dollar EV diverge. GTO Wizard Pricing (as of August 2026) Tier Monthly Annual (per month) Starter $49 $39 Premium $99 $79 Elite $169 $139 Ultra $279 (early bird) $229 Three things to know about that table. First, GTO Wizard prices are per format: Cash and Tournament are separate subscriptions, so covering both costs double. Second, the March 2026 price increase raised Premium and Elite by $10-20/month for new subscribers, while existing subscribers keep their old rates through a loyalty program. Third, you will not find these numbers on their homepage; the pricing page redirects into the app, where you need an account to see your options. The math that matters: GTO Gecko's all-access plan at $39.99/month costs less than GTO Wizard's cheapest single-format tier at $49/month. On annual billing the gap widens to roughly $20/month for everything versus $39/month for one format at Starter level. We break the competitor side down further in our [full GTO Wizard pricing analysis](https://gtogecko.com/blog/gto-wizard-pricing). Where GTO Wizard Wins GTO Wizard beats GTO Gecko on custom solving depth, nodelocking, free table-management software, and the sheer size of its content and coaching ecosystem. If you are a professional who needs to model specific opponents, build custom preflop trees, or study from a deep video library, GTO Wizard earns its premium. Custom Solving and Nodelocking GTO Wizard's cloud AI solver is the most developed custom-solving ecosystem in any browser tool. You can run your own spots at deep tree configurations, and at Elite and Ultra you get nodelocking: the ability to fix an opponent's strategy at a node (say, "this player never check-raises flop") and re-solve to see the maximally exploitative response. Ultra adds a custom preflop tree builder. GTO Gecko ships an on-device solver for custom postflop spots, which is genuinely useful and works offline. But we do not offer nodelocking, and our custom-solving feature set is narrower. If exploit construction against specific opponent profiles is central to your study, GTO Wizard is the stronger tool. (For the theory behind that workflow, see [GTO vs exploitative play](https://gtogecko.com/blog/gto-vs-exploitative).) Table Wizard Table Wizard is GTO Wizard's free table-management software for Windows, launched in 2025. It handles multi-table layouts and hotkeys, overlays live data like SPR and pot odds, includes a built-in RNG for mixed strategies, and auto-uploads your hand histories into their analyzer after the session. It is compliant table management rather than real-time advice, and it costs nothing. GTO Gecko has no equivalent. High-volume online grinders should weigh this heavily. Content, Coaching, and Community GTO Wizard publishes strategy content constantly, runs coaching sessions (even Starter includes weekly coaching and a large recorded library), and has the biggest community of any solver platform. Well-known pros use and promote it. When you get stuck on a concept, the odds that someone has already made a GTO Wizard video about your exact spot are high. Brand gravity is a real feature, and they have the most of it. One Platform for Everything, Including PLO After the 2026 restructure, GTO Wizard folded five products into two libraries (Cash and Tournament) and expanded its cash postflop library roughly 50x. PLO lives inside the same platform. GTO Gecko handles PLO through a separate mobile app, [PLO Edge](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide), which covers preflop solving, preflop training, and postflop training but has no postflop solver. If you split time between NLHE and PLO and want one subscription for both, GTO Wizard is the cleaner setup. Where GTO Gecko Wins GTO Gecko beats GTO Wizard on price, native multi-platform apps, 3-way multiway solutions in base plans, plain-English explainability, and adaptive training. For players who study to play better rather than to run research projects, the $39.99 all-access plan covers more formats for less money than GTO Wizard's cheapest tier. Price, Without the Tier Maze Two plans: one format or all formats. All-access at $39.99/month includes Cash (with straddle and ante tables), MTT, and Spin & Go, the full presolved postflop library, the on-device solver, all three trainers, and the statistics suite. There is no tier where the trainer is limited or the library is partially locked. The comparison point again: GTO Wizard's Starter, at $49/month for a single format, costs more than our everything plan. Native Apps Everywhere, One Synced Subscription GTO Gecko was built for studying wherever you actually are: a web app at play.gtogecko.com, native iOS and Android apps, and a native macOS app, all on one subscription with synced progress. The on-device solver means you can run custom spots on a phone with no connection. With 22,500+ players across 175 territories and an average of 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), the mobile experience is the product, not a port of it. You can grab it on the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). True 3-Way Multiway Solutions in Base Plans Most solver libraries are heads-up only, because multiway equilibria are brutally expensive to compute. GTO Gecko includes true 3-way postflop solutions in its standard plans. At GTO Wizard, custom 3-way postflop solving sits in the top tiers (Ultra for new subscribers, as of June 2026). If you play live cash or low-stakes online pools where three players see every flop, studying heads-up solutions alone leaves a hole in your game that multiway solutions fill. SHAP Explainability: The Solver Tells You Why This one is unique to GTO Gecko. A machine-learning model trained on solver outputs uses SHAP values (a method from ML research that assigns each input factor a share of the credit for a prediction) to decompose every recommendation into its reasons. Instead of just "bet 75%, frequency 62%," you get the why in plain English: your [blockers](https://gtogecko.com/blog/blockers-unblockers), equity edge, position, and stack-to-pot ratio, each weighted by how much it drove the decision. Why does A ♠ 5 ♠ bluff here while A ♥ 5 ♥ gives up? The factors tell you. Memorizing frequencies fades; understanding reasons transfers to new spots. Adaptive Trainers with an ELO Rating GTO Gecko has three trainers (preflop, postflop, and full-hand) that assign you an ELO rating and adapt to your leaks: spots you misplay get re-served until you fix them, the same way spaced-repetition apps teach vocabulary. The statistics suite then shows per-street accuracy, a position matrix, pot-type leaks, and hand review with replay, so you know exactly where your ELO is bleeding. Drilling [preflop opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) until they are automatic is the fastest study win available to most players, and the trainer is built around that loop. A Real Free Tier Both tools have free tiers; GTO Gecko's requires no credit card and does not expire. You get the preflop range library to browse, daily free trainer hands, and free web tools including a poker odds calculator and an MTT bankroll calculator. The simplest way to compare us with anything else on this page is to [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/) and see whether the interface fits how you study. What Do Users Say About GTO Gecko? Store ratings are the closest thing to neutral ground in a vendor-written comparison, so here are ours, verifiable on the store pages. As of August 2026, GTO Gecko holds 4.77 on [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) with over 10,000 downloads, and 4.7 on the US [App Store](https://apps.apple.com/us/app/gto-gecko-poker-wizard/id6738748434), with 288 App Store ratings worldwide including 5.0 in Brazil and 4.9 in Vietnam. GTO Wizard's apps are also rated well; check its store pages for current numbers. "Both the free version, where you get a set number of hands per day, and the paid version seem really good. They recently added being able to pick board types like monotone, and even the hand range. This helps a lot to improve." Google Play review, February 2026, translated from Spanish "This is one of the better poker GTO apps. I think this has potential to be best." US App Store review, November 2025 (a four-star review with a feature wishlist; the account-sync request it made has since shipped) Which One Should You Pick? Pick GTO Wizard if you are a professional or serious online grinder who needs nodelocking, custom tree research, and table-management software, and the $99-279/month range is a justified business expense. Pick GTO Gecko if you want full solver study and adaptive training across Cash, MTT, and Spin & Go for $39.99/month on every device you own. Pick GTO Wizard if: - You nodelock to build exploits against specific player pools - You multi-table online and would use Table Wizard daily - You want PLO and NLHE inside one platform - You lean on video coaching libraries and a large community - Poker is your income and the subscription is a business expense Pick GTO Gecko if: - You want every format for less than their cheapest single-format tier - You study on your phone, tablet, or Mac as much as at a desk - You play live or soft online games where 3-way pots are constant - You learn faster from "here is why" than from raw frequency grids - You want a trainer that tracks your rating and attacks your leaks Neither tool is wrong; they optimize for different players. If your shortlist is longer than two, our roundups of the [best GTO apps and platforms](https://gtogecko.com/blog/best-gto-apps-platforms) and the [strongest GTO Wizard alternatives](https://gtogecko.com/blog/gto-wizard-alternatives) cover the rest of the field, including desktop solvers like PioSolver for players who want to run their own sims. FAQ Is GTO Wizard worth the price in 2026? For professionals, often yes. Nodelocking, custom AI solving, and Table Wizard justify the cost when poker pays your bills. After the March 2026 increase, though, recreational players are paying $49-99/month per format for depth they rarely touch, which is why budget alternatives have gained ground. Is GTO Gecko cheaper than GTO Wizard? Yes, substantially. GTO Gecko's all-access plan ($39.99/month, or $239.99/year at about $20/month effective) covers Cash, MTT, and Spin & Go. GTO Wizard's cheapest tier is $49/month for a single format as of June 2026, and its Cash and Tournament products are billed separately. Does GTO Gecko have nodelocking? No. GTO Gecko includes an on-device solver for custom spots, but it does not support locking an opponent's strategy and re-solving. If nodelocking is a hard requirement, GTO Wizard (Elite tier and up) or a desktop solver from our [best poker solvers guide](https://gtogecko.com/blog/best-poker-solvers) is the better fit. Can I use GTO Gecko and GTO Wizard on mobile? Both offer mobile apps. The difference is depth: GTO Gecko's iOS and Android apps carry the full product, including an on-device solver that works offline, plus a native macOS app, all under one synced subscription. See the [GTO Gecko features guide](https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide) for what is included. Which is better for tournament players? Both cover MTTs well. GTO Wizard's Tournament product is deep, especially at higher tiers. GTO Gecko includes MTT preflop and postflop solutions in standard plans, with ICM-aware ranges in its Elite tiers, and its full-hand trainer drills tournament spots with ELO feedback at a much lower price point. Does either tool have a free version? Yes, both. GTO Wizard's free tier offers limited browsing of presolved spots. GTO Gecko's free tier includes preflop range browsing, daily free trainer hands, and free calculators, with no credit card required and no expiry date. The honest bottom line: GTO Wizard is the deeper research platform, and we said so above without hedging. GTO Gecko is the better value for the large majority of players whose goal is to study efficiently and play better, on whatever device is in front of them. [Try the free tier at play.gtogecko.com](https://play.gtogecko.com/) and judge the rest for yourself. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified August 2026. Check each vendor's site for current rates. ### GTO vs Exploitative Poker: When to Deviate (and How) https://gtogecko.com/blog/gto-vs-exploitative "Should I play GTO or should I exploit?" is the most common strategy question in modern poker, and it rests on a false premise. The best players do both, in a specific order: they learn the solver baseline first, then step off it the moment an opponent gives them a documented reason to. This guide covers the whole loop. What GTO actually guarantees you, the five imbalances that make an opponent exploitable, how to size your deviations so you don't get counter-exploited, and the spots where even the solver's "perfect" line stops being the most profitable one. What Is the Difference Between GTO and Exploitative Play? GTO (game theory optimal) poker is a balanced strategy that no counter-strategy can beat; exploitative play deliberately unbalances your strategy to attack one specific opponent mistake. GTO protects your downside and guarantees a floor. Exploitative play raises your ceiling. Winning players use the first as a default and the second whenever evidence justifies it. If the theory side is new to you, start with our full guide to [what GTO poker is](https://gtogecko.com/blog/what-is-gto-poker). The short version: a GTO strategy builds [ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) with balanced ratios of value and bluffs at every decision point, so even an opponent who knows your exact strategy cannot profit against it. What "Unexploitable" Actually Means Suppose you bet 75% pot on the river with two value hands for every bluff. Your opponent's bluff catchers are now indifferent: calling and folding have identical EV. Whatever they do, they cannot gain. That indifference, repeated across every node of the game tree, is GTO. Here is the part most players miss: GTO is built to be unexploitable, not to maximize profit. Against a perfect opponent it breaks even before rake. Against an imperfect opponent it wins, but only passively. It collects from their mistakes at the default rate instead of the maximum rate. Why Deviate From GTO at All? You deviate because your opponents do. Pure GTO wins the minimum from every mistake your opponents make; targeted deviations win the maximum. No human plays equilibrium poker, and most player pools leak in known, repeatable ways, so the gap between "solver-approved" and "most profitable" is often worth several big blinds per hundred hands. It helps to split exploitation into two modes. Passive exploitation means staying at the baseline and letting opponents donate by punting into your balanced ranges. Active exploitation means shifting your own frequencies and sizings to tax those punts harder: bluffing more into the player who over-folds, cutting bluffs entirely against the one who never folds. Rake sharpens the argument. In a raked cash game, perfect GTO against perfect GTO loses for everyone at the table. The money has to come from somewhere, and that somewhere is opponents' mistakes. The faster you convert mistakes into chips, the more you out-earn the rake. The Five Imbalances That Make an Opponent Exploitable Every exploitable leak falls into one of five buckets: bet-volume imbalances, polarity imbalances, elasticity imbalances, equity-management imbalances, and board-coverage imbalances. Classify the leak first and the correct counter usually falls out on its own, because each imbalance type has one natural punishment. 1. Bet-Volume Imbalances The player bets, calls, raises, or folds too often (or not often enough) at some node. This is the most common leak in every pool. A regular who [continuation bets](https://gtogecko.com/blog/what-is-a-continuation-bet) 90% of flops has a bet-volume imbalance; so does the blind defender who folds to 70% of those c-bets. The counter: attack the inflated frequency directly. Raise the over-c-bettor's weak range, and bluff relentlessly into the over-folder. 2. Polarity Imbalances The player's range at a given node is too value-heavy or too bluff-heavy compared with a [properly polarized construction](https://gtogecko.com/blog/polarized-vs-merged-ranges). The classic example is the small-stakes river raise that is value 95% of the time. The counter: over-fold against value-heavy lines and refuse to fold against bluff-heavy ones. 3. Elasticity Imbalances An elastic calling range responds to bet size: it folds more against big bets and continues more against small ones. Many opponents are inelastic. They decide "call" or "fold" before they even look at the sizing. The counter: bet enormous with value and tiny with bluffs, since their response stays the same but your price improves both ways. 4. Equity-Management Imbalances The player realizes equity badly: chasing draws without the right price, folding live hands to small bets, or paying off with hands that beat nothing. The counter: charge their draws the maximum, deny their equity with aggression, and value bet thinner than any solver output would suggest. 5. Board-Coverage Imbalances The player's range has predictable holes on certain textures. Someone who never flats premiums preflop arrives at an A-7-2 flop without sets after calling your 3-bet. Someone who 3-bets only big pairs and big aces cannot have 8 ♥ 7 ♥ on an 8-7-3 board. The counter: barrel the textures their range misses and slow down on the ones it smashes. Which Opponent Patterns Should You Attack First? Attack the highest-frequency, highest-confidence patterns first: over-folding, over-calling, and under-raising. These three cover most of the money available at small and mid stakes, they show up within a modest sample, and each has a one-line counter you can apply without rebuilding your whole strategy. Opponents Who Fold Too Much If GTO defense requires continuing around 60% against a c-bet and your opponent folds 70-75%, every bluff you add prints money. Bet the air that has backdoor equity instead of checking it. The same logic works preflop: a player who folds to [3-bets](https://gtogecko.com/blog/what-is-a-3-bet) 70% of the time, when equilibrium defense sits closer to 45-55%, turns your suited connectors into instantly profitable 3-bet bluffs. Opponents Who Call Too Much Calling stations are the easiest profit in poker, and the counter is pure discipline: - Cut your bluffs to near zero. Bluffing a player who does not fold is burning money. - Value bet relentlessly thin. Second pair with a good kicker becomes a three-street value hand. - Size up. Inelastic callers pay 80% pot as readily as 40%. - Skip the fancy plays. No merges, no made hands turned into bluffs. Bet your good hands, check your bad ones. Opponents Who Never Raise Exploiting the Passive Caller You bet the turn with middle pair on the button. GTO has the big blind raising roughly 10-15% of their continuing range here. Your opponent raises 3%. That changes everything downstream: - Value bet thinner on rivers, because "call, call" caps their range at one pair - Fire more river bluffs when the obvious draws miss, since their line is face-up - Stop protection-betting medium hands; nobody is raising you off your equity anyway Reading the Pattern Before the Stats Confirm It Online you will eventually see the numbers; live you have to infer them. Bet sizes, timing, and showdowns leak information constantly. A player who sizes big with value and small with weak hands is announcing a polarity imbalance through [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) alone, and physical reads can confirm what the patterns suggest. Our [poker tells guide](https://gtogecko.com/blog/poker-tells-guide) covers which live signals are reliable enough to act on. And if you would rather drill these adjustments than read about them, an [exploitative poker trainer](https://gtogecko.com/blog/exploitative-poker-trainer) solves each spot against one modelled leak and grades you on the counter-strategy. How Do You Deviate Without Getting Counter-Exploited? Deviate one adjustment at a time, demand evidence before you move, size the deviation to the edge, and predefine the trigger that sends you back to baseline. Every exploit is a loan against your own balance: the bigger the deviation, the more you expose if the read is wrong or the opponent adapts. The One-Adjustment Rule Example: Punishing the 3-Bet Over-Folder You have confirmed a player folds to 3-bets 70% of the time. Make exactly one change: add suited connectors and suited broadways to your 3-bet range against their opens. Do not simultaneously start 4-bet bluffing, opening junk, and floating wider. One clean exploit is hard to spot. Five at once make you the exploitable player at the table. Demand the Right Denominator Total hands are not a universal evidence threshold. Count the exact action over the comparable opportunities in which it could occur, preserve position and other material context, and inspect the resulting uncertainty. Our [poker stat sample-size guide](https://gtogecko.com/blog/poker-stat-sample-size) shows why a rare branch usually accumulates evidence more slowly, not faster. Two bluffs in three river-raise opportunities is still a three-opportunity estimate with wide uncertainty. It may justify a note or a cautious hypothesis; it does not establish a stable tendency by itself. Quantify Edge Versus Exposure Before deviating, answer two questions. How much does this exploit earn per occurrence if the read is right? How much does it lose if the opponent has already adjusted? If the first number is not at least double the second, stay at baseline. Thin-margin, fat-downside deviations are how winning players turn into break-even ones. Keep Your Bluffs Blocker-Heavy When you add exploitative bluffs, build them from hands holding the right cards. 3-betting A ♦ 5 ♦ as an exploit is far safer than 9 ♣ 6 ♣ , because the ace blocks the premium hands that continue against you. [Blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) cap the damage when your read turns out wrong, which it sometimes will. Calibrate to the Opponent's Level Against recreational players who are not tracking your frequencies, exploit at full volume. Against thinking regulars, hide the deviations: smaller shifts, mixed back toward baseline. Against genuinely strong players, your edge comes from making fewer mistakes than they do, so stay near equilibrium and save the big deviations for softer seats. Predefine Your Exit Decide in advance what kills the exploit. "If he calls down my next two triple-barrels, the over-folding read is dead." An exploit that printed in hour one can be torching money by hour three, so re-test the read instead of riding it on autopilot. When Does the Game Itself Demand Deviation? Sometimes the correct deviation has nothing to do with the opponent. Rake, ICM, and multiway pots all distort the equilibrium a solver computes, so the pure GTO line from a rake-free, chip-EV, heads-up simulation is not the optimal line in the game you are actually sitting in. Rake punishes thin continues. At raked micro and small stakes, hands that defend for a sliver of profit in a rake-free sim become folds, and 3-betting gains value over flat-calling because it can win the dead money before any flop rake is taken. ICM breaks chip-EV math entirely. Near a bubble or final table, chips you lose are worth more than chips you win, so the equilibrium itself shifts: big stacks should attack at frequencies no chip-EV solver would output, and medium stacks must fold hands that are clearly profitable in raw chips. Our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy) walks through the mechanics. Multiway pots dilute aggressive exploits. With three or more players in, card-removal effects shrink and someone usually has it. Stay closer to baseline until the pot gets heads-up. A Deviation Cheat Sheet for Everyday Spots These five spots cover leaks you will meet in nearly every small-stakes session. Each pairs a common population tendency with the adjustment that punishes it. Treat them as defaults against unknown small-stakes opponents, then tighten or widen the exploit as individual reads come in. Spot Typical Leak Profitable Adjustment Facing a tight 3-bettor Too few preflop bluffs Over-fold your weakest continues; 4-bet only a polarized range Facing large c-bets Value-heavy, under-bluffed Fold bluff catchers without backdoor equity; raise your strongest draws Small-stakes river raise Almost zero bluffs Fold nearly everything; value bet thinner when checked to instead Bubble with a big stack Medium stacks over-fold Open wider, 3-bet shove blocker hands, c-bet smaller Blinds that fold too much Defending under 50% vs steals Open any two cards from the button until they fight back When you spot a frequency leak that is not on the list, the direction of the counter is mechanical: - Folds too much → bluff more, value bet less thin - Calls too much → bluff less, value bet thinner and bigger - Raises too much → call down lighter with bluff catchers, slow-play your premiums - Rarely raises → value bet thin, barrel more rivers, drop protection bets Common Mistakes When Deviating From GTO The four mistakes that cost deviating players the most: adjusting on tiny samples, exploiting in the wrong direction, stacking several adjustments at once, and never re-checking the read. Each one converts a sound exploit into a leak of your own, and all four are avoidable with a little discipline. Small-Sample Syndrome Two folds to your 3-bet is noise, not a read. Variance produces streaks that look exactly like tendencies. The more extreme the adjustment you plan, the more evidence you should demand first. Exploiting in the Wrong Direction "He keeps calling, so he must be weak, so I'll bluff bigger" is the classic inversion. A player who calls too much gets value bet, never bluffed. Before acting on a read, sanity-check the counter against the direction list above. Stacking Adjustments Change five things at once and you cannot tell which adjustment is earning, while a decent opponent now has five unbalanced nodes to attack. Make one adjustment, evaluate it, then add the next. Never Re-Evaluating Reads decay. The station tightens up after a big loss, the nit goes on tilt, the regular notices your 3-bet frequency and starts playing back. The exploit loop is observe, adjust, monitor, and revert, not observe once and adjust forever. How Do You Build the GTO Baseline in the First Place? You cannot deviate from a baseline you do not have. Solver study gives you the equilibrium frequencies for each spot, and those numbers are the yardstick that turns "he folds a lot" into "he folds 20 points above equilibrium, so my whole air range becomes a bluff." Without the yardstick, every exploit is a guess. Our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers the study workflow in detail. The short loop: pick one node, learn the solver's frequencies and sizings, then drill it until the baseline is automatic. If you want the fast path, you can [browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/) and play daily free trainer hands with no credit card. The trainers re-serve the spots you misplay, and the built-in explainability engine tells you in plain English why the solver takes each action, which is exactly the understanding you need before you start bending the baseline on purpose. GTO vs Exploitative Play FAQ Is GTO or exploitative play more profitable? Against weak opposition, exploitative play earns more because it taxes mistakes at the maximum rate. Against strong or unknown opposition, GTO earns more because it cannot be attacked. The highest long-term win rate comes from a GTO foundation with targeted exploits layered on top when evidence supports them. Can a GTO player be beaten? Not in the long run. A true GTO strategy is unexploitable by definition, so the best any opponent can do against it is break even before rake. In practice nobody plays perfect GTO, which is exactly why exploitative deviations against real humans are worth so much. How many hands do I need before deviating from GTO? There is no universal hand-count floor. Define the action, count comparable eligible opportunities, attach an uncertainty interval, and check whether the context stayed stable. Our [count-first guide](https://gtogecko.com/blog/poker-stat-sample-size) explains the workflow. Scale any deviation to both the evidence and the cost of being wrong. Does exploitative play work in tournaments? Yes, and ICM often makes exploits stronger. Near bubbles and final tables, many opponents over-fold far beyond what even ICM-adjusted equilibrium recommends, which lets big stacks attack relentlessly. The flip side: chip-EV exploits that ignore payout pressure can torch real money, so anchor tournament deviations in ICM-aware baselines. Should beginners learn GTO or exploitative play first? Learn GTO fundamentals first: preflop ranges, basic bet sizing, and why balance matters. The baseline tells you what a mistake even looks like, and exploitation is just the act of punishing mistakes you can name. Beginners who skip straight to "playing the player" usually misread opponents and exploit in the wrong direction. Master the Baseline, Then Break It on Purpose GTO versus exploitative play is a false fight. The baseline gives you a floor no opponent can attack, and the deviations convert their specific mistakes into your win rate. Players who refuse to deviate leave money with every station and nit at the table; players who deviate without a baseline are just guessing with confidence. The working loop is short: anchor in the solver line, classify the leak into one of the five imbalances, make one targeted adjustment, and predefine what sends you back to baseline. Run that loop honestly and you get both halves of the equation, protection when you need it and maximum profit when you do not. When you are ready to put numbers behind your reads, open the trainers at [play.gtogecko.com](https://play.gtogecko.com/) and drill the equilibrium frequencies for the spots you face most. Once the baseline is automatic, every deviation becomes a deliberate, measured attack instead of a hunch. ### 10 Best GTO Wizard Alternatives in 2026 (Cheaper & Mobile) https://gtogecko.com/blog/gto-wizard-alternatives GTO Wizard built the modern solver-study category, and it remains a genuinely excellent product — our [full GTO Wizard review](https://gtogecko.com/blog/gto-wizard-review) breaks down exactly what it does well. It is also the most expensive mainstream option, and the March 2026 price restructure pushed a lot of players to shop around. If you are one of them, this guide compares the ten strongest alternatives, with pricing verified in June 2026. One disclosure before anything else: GTO Gecko, the first tool on this list, is our product. Every claim below is factual and every price was checked against the vendor's own site or 2026 coverage. Where a competitor is the better fit for your situation, we say so directly. We judged each tool on four things: what it costs, which platforms it runs on, how deep the solution library goes, and whether the training actually fixes leaks. If you are new to solver study, start with our primer on [what GTO poker means](https://gtogecko.com/blog/what-is-gto-poker) and come back. GTO Wizard Alternatives Compared The table below shows every tool covered in this guide, with GTO Wizard included as the reference point. Prices are the cheapest paid entry as of June 2026; most tools discount heavily on annual billing. Tool Price from Platforms Best for GTO Wizard (reference) $39/mo Web Deep-pocketed all-rounders GTO Gecko $24.99/mo (~$12.50/mo annual) Web, iOS, Android, macOS All-in-one value on every device Octopi Poker $25/mo or $200/yr Web MTT players who want coaching DTO Poker Free; paid from $9.99/mo Web, iOS, Android Budget MTT drilling GTO Strategy Free; paid from $39/mo Web Competitive, gamified study Lucid GTO Free; Pro $49/mo Web, desktop, iOS, Android Cash-game trainer fans GTOBase ~$75/mo per format Web, iOS Heads-up and Spins specialists PioSolver $249 one-time Windows DIY research power users GTO+ $75 one-time Windows Budget desktop solving Deepsolver From $19/mo Web Custom solves without hardware ThinkGTO apps ~$10/mo per app iOS, Android Single-skill phone drills Why Are Players Looking for GTO Wizard Alternatives? Price is the main driver. On March 31, 2026, GTO Wizard raised Premium and Elite pricing by $10 to $20 per month (an 8 to 15% increase) for new subscribers and consolidated its five format plans into two. With Elite running up to roughly $199 per month and the new Ultra tier near $229, a year of top-tier access costs more than $2,000. The restructure was not all bad news. Starter stayed at $39 per month and gained Single Size Solutions, and existing Premium-and-above subscribers kept their old rates through a loyalty lock. But for a new player comparing options, the math changed: the formats that used to be separate cheap plans now sit inside bigger bundles, and you will not find a price anywhere on the homepage. You have to dig for it. We break the full tier structure down in our [GTO Wizard pricing guide](https://gtogecko.com/blog/gto-wizard-pricing). To be clear about what you would be walking away from: GTO Wizard has the largest solution library in the industry, an AI solver, nodelocking, PLO support, and a steady stream of strategy content. Nobody on poker forums argues it is a bad product. The recurring complaint, on 2+2 threads and subreddits alike, is that the price keeps climbing while cheaper tools have closed most of the feature gap. That gap is what the rest of this list is about. 1. GTO Gecko — Best Overall Value (Web, iOS, Android, macOS) GTO Gecko is a full solver-and-trainer platform that runs as a web app at play.gtogecko.com plus native iOS, Android, and macOS apps, with one subscription covering all of them in sync. The library is massive: preflop ranges and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, plus true 3-way multiway postflop solutions, which almost nobody else ships. There is also a built-in on-device solver for custom spots, so you are not limited to the presolved library. The training side is where it earns the daily-use slot. Three trainers (preflop, postflop, and full-hand) run on an ELO rating with adaptive drilling, so if you butcher A ♠ 5 ♠ in a 3-bet pot, that spot comes back until you stop butchering it. A machine-learning explainability layer (SHAP factors) tells you in plain English why the solver action is right, instead of just flashing a frequency at you. The statistics suite tracks per-street accuracy, a position matrix, pot-type leaks, hand review with replay, and comparison against the player pool. Tournament players get an ICM range compare tool, and ICM-aware MTT solutions are available in the Elite tiers. For deeper ICM theory, see our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy). Pricing, as of June 2026: a single format (Cash, MTT, or Spin & Go) costs $24.99/month, $49.99/quarter, or $149.99/year, which works out to about $12.50 per month. All-access across all three formats is $39.99/month, $79.99/quarter, or $239.99/year, roughly $20 per month. That annual all-access price is about half of GTO Wizard's cheapest tier. There is a permanent free tier with no credit card required: you can [browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/), play daily free trainer hands, and use the free poker odds and MTT bankroll calculators. The mobile apps sit at 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026), with 22,500+ players in 175 territories. The honest limitation: this is a study-and-drill platform, not a desktop research lab. If you need nodelocking and custom aggregation reports, PioSolver below is the better tool. PLO players should look at [PLO Edge](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide), the mobile-only sister app with a PLO preflop solver, preflop trainer, and postflop trainer. Full head-to-head in [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). GTO Gecko Verdict - Price: From $24.99/mo single format (~$12.50/mo billed annually); all-access ~$20/mo annually - Platforms: Web, iOS, Android, native macOS, one synced subscription - Best for: Players who want the full library, trainers, and stats on every device without desktop-tier pricing 2. Octopi Poker — Best for MTT Coaching and Community Octopi Poker, launched by high-stakes pro Andrew Lichtenberger, takes a different angle: solver data wrapped in a study community. Its visual Game Tree turns solver outputs into an explorable map rather than a wall of frequencies, and the Vault collects real hands from WSOP, Triton, and PGT broadcasts, solver-analyzed and paired with the video footage. Coaching runs through purchasable packages and structured programs with weekly sessions led by pros. Pricing, as of June 2026: a free Community tier, a Personal plan at $25/month or $200/year, and a Professional plan at $600/year. The platform runs 20% sales often enough that paying sticker price is usually avoidable. For a tournament player who learns better with structure and other humans than with solo grinding, that ecosystem is genuinely strong value against hiring a private coach. The trade-offs: it is web-only, the focus skews heavily toward MTTs, and cash-game players will find far less here. The training loop is also lighter than dedicated drilling tools; Octopi is built for understanding spots, not for thousands of reps. Octopi Poker Verdict - Price: Free tier; Personal $200/yr; Professional $600/yr - Platforms: Web only - Best for: MTT players who want coaching and community bundled with solver study 3. DTO Poker — Cheapest Entry for MTT Drilling DTO is a trainer-first platform with deep tournament roots. You drill against presolved spots, get graded, and climb a ladder of stakes-themed tiers. The free tier is real and usable, and the mobile apps mean you can grind reps anywhere. The ladder, as of June 2026: Grinder at $9.99/month (31 spot types, basic evaluation), High Roller at $29.99/month or $269.99/year (85 spots), and Super High Roller at $99.99/month or $899.99/year (108 spots, range viewer, ICM and heads-up scenarios). The catch sits in the middle of that sentence: exact EV-loss feedback and optimal frequencies only arrive at High Roller and above. On Grinder you know you were wrong, but not by how much, which blunts the learning loop the product is built around. DTO made its name on tournaments, and that is still where the depth lives; a cash product exists but is not the reason anyone subscribes. There is no PLO. If your whole poker life is MTTs and your budget is $10 to $30 a month, it deserves a serious look. Our full [DTO Poker review](https://gtogecko.com/blog/dto-poker-review) goes tier by tier. DTO Poker Verdict - Price: Free tier; $9.99 to $99.99/mo - Platforms: Web, iOS, Android - Best for: MTT players on a budget who want pure drilling reps 4. GTO Strategy — Best Gamified Trainer GTO Strategy is the rebrand of Odin Poker, relaunched as a browser-based solver and training platform with a competitive twist. Its Compete mode matches players on identical hands and ranks them on leaderboards, with weekly challenges and real-money prizes through a CoinPoker integration. If leaderboard pressure is what gets you to actually study, this is the only tool on the list built around that. The library covers millions of presolved spots from 4-max to 9-max, with and without antes, including ICM scenarios. Pricing as of June 2026: a limited free tier, Standard at $39/month, and Elite at $79/month. Note that the deeper multiway postflop analysis and custom AI solves sit on the higher tier, so the headline price does not buy the full library. One piece of history worth knowing: the Odin brand drew scrutiny in 2023 over whether some of its tooling edged toward real-time assistance. The rebranded product positions itself plainly as an off-table study platform. As with any tool, check your poker site's permitted-software list before running anything alongside play. GTO Strategy Verdict - Price: Free tier; $39/mo Standard, $79/mo Elite - Platforms: Web only - Best for: Players motivated by competition, leaderboards, and prizes 5. Lucid GTO — Best-Known Cash Trainer Pedigree Lucid GTO is the trainer Doug Polk used in early form to prepare for his heads-up match against Daniel Negreanu, which he won for $1.2 million, and he has backed the public product since. The pedigree shows in the drilling experience: clean, fast, and focused on cash-game fundamentals. Platform coverage is the widest in the trainer category: web, Windows, Mac, Linux, iOS, and Android. Pricing as of June 2026 is simple: a free plan with preflop ranges and a daily puzzle, and Pro at $49/month or $490/year for unlimited drills, solves, and custom training. The gaps are clear and the company is upfront about them: no PLO, and ICM has been explicitly deprioritized, which makes Lucid hard to recommend as a primary tool for tournament players. At $49/month it also costs more than several tools here that cover more formats. For a cash-game purist who values polish, it is a solid pick. Lucid GTO Verdict - Price: Free plan; Pro $49/mo or $490/yr - Platforms: Web, Windows, Mac, Linux, iOS, Android - Best for: Cash-game players who want a polished trainer across devices 6. GTOBase — Deepest Heads-Up and Spins Libraries GTOBase, from the SimplePoker team, is a specialist's tool. Its claim to fame is exhaustive coverage: strategies for all 22,100 strategically distinct flops across its heads-up and Spin & Go libraries, with a hand-history analyzer that grades your real play against them. It has a strong following in the Russian-speaking poker scene. Pricing is premium and per-format. As of June 2026, reseller listings put HU Ante access around $75/month and the Spin & Go package around $150/month, which lands in the same neighborhood as GTO Wizard's upper tiers. There is a freemium layer: heads-up cash content is free, and non-subscribers can analyze five hands per day. What you give up: there is no PLO, no ICM tooling, and the format coverage outside HU and Spins is thin. If you are a heads-up or Spins specialist who wants every flop accounted for, GTOBase arguably beats everything else for your niche. For anyone else the price-to-coverage ratio is hard to justify. GTOBase Verdict - Price: Roughly $75 to $150/mo per format; HU cash free - Platforms: Web, iOS - Best for: Heads-up and Spin & Go specialists who want total flop coverage 7. PioSolver — Best for DIY Power Users PioSolver has been the professional research standard since 2015, and it is a fundamentally different kind of product from everything above. There is no presolved library, no trainer, and no mobile app. You build the tree, set the ranges and sizings, and run the sim yourself. In exchange you get total control: nodelocking, aggregation reports across thousands of flops, and answers to questions no presolve library will ever ask. The pricing model is the opposite of the subscription tools: as of June 2026, Pro costs $249 and Edge costs $475, one time, with Edge adding preflop solving and stronger tree tools. Run it for three years and it costs less per month than almost anything on this list. It is Windows-only, and you will want a machine with real RAM for bigger trees. The honest assessment: Pio is the best tool here for generating knowledge and one of the worst for absorbing it. Most players get more from drilling presolved spots than from staring at raw outputs, which is why [learning how to use a solver](https://gtogecko.com/blog/how-to-use-poker-solver) properly matters before you spend the money. If Pio tempts you but the workflow scares you, our [PioSolver alternatives guide](https://gtogecko.com/blog/piosolver-alternatives) maps the middle ground. PioSolver Verdict - Price: $249 (Pro) or $475 (Edge), one-time - Platforms: Windows desktop - Best for: Power users who want to run and own their own research 8. GTO+ — Best Budget Desktop Solver GTO+ is the value pick of the desktop solver world: a one-time $75 license, with second licenses at $40, as of June 2026. It comes from the CardRunners EV lineage and delivers genuine CFR solving with a tree builder that many players find friendlier than Pio's for everyday cash-game work. For $75 you get unlimited postflop solving on your own hardware, forever. That is an absurd price next to $99-per-month subscriptions, and for a self-directed student who mostly wants to check specific spots from their own sessions, it may be all the solver they ever need. The same caveats as Pio apply, plus a few more: Windows-only, no trainer, no presolved library, no mobile, and a smaller feature ceiling than Pio Edge for heavy aggregation work. It is the right tool for a disciplined studier on a budget and the wrong tool for someone who needs structure to keep studying at all. GTO+ Verdict - Price: $75 one-time - Platforms: Windows desktop - Best for: Budget-conscious DIY students who want a real solver they own 9. Deepsolver — Custom Solves Without the Hardware Deepsolver answers the main objection to Pio and GTO+: not everyone owns a Windows machine with 64GB of RAM. It is a cloud solver that runs entirely in the browser; you define the spot and their servers do the computation, usually in seconds. Pricing is subscription-based, and as of June 2026 it runs from a Recreational tier at $19/month for 1,000 street solves, up through Regular to a GTO Pro tier with unlimited calculations, aggregated flop reports, multi-street trees, and built-in GTO training. For a Mac or Linux user who wants custom solving, it is one of the few real options. The structural trade-off is the inverse of Pio's: you never stop paying, and a heavy month of solving can bump you into pricier tiers. The presolved-library and training sides are also thinner than platforms built around them. Think of Deepsolver as renting solver horsepower rather than subscribing to a study curriculum. Deepsolver Verdict - Price: From $19/mo; unlimited solving on top tier - Platforms: Web (any OS) - Best for: Players who want custom solves without buying a solving rig 10. ThinkGTO Apps — Focused Drills, One Skill at a Time ThinkGTO (from Crafty Wheel Studios) is not one app but a family of seven single-purpose mobile apps: Preflop+, Postflop+, Solver+, GTO Ranges+, PLO+, and others. Each does one job, does it offline on your phone, and has a usable free tier. Individually they are well made; Preflop+ in particular has been a popular push/fold and range-chart app for years. Pricing is per app: monthly and yearly subscriptions in the $10 to $30 range, or lifetime purchases such as $129.99 for Preflop+ and $199.99 for Postflop+, as of June 2026. A lifetime license for the one skill you actually need can be smart money. The problem appears when you need more than one skill. Stack two or three of these apps and you are paying more than a single all-in-one subscription, with your progress split across separate apps and no deep web platform tying it together. As a supplement, good. As your whole study stack, fragmented. We compare the mobile field properly in [best poker solver apps](https://gtogecko.com/blog/best-poker-solver-apps). ThinkGTO Verdict - Price: Per app, ~$10 to $30/mo or $129.99 to $399.99 lifetime - Platforms: iOS, Android - Best for: Drilling one specific skill on your phone How Do You Pick the Right GTO Wizard Alternative? Match the tool to how you actually study, not to feature lists. A cheaper subscription you open daily beats a premium one you open monthly. Decide first whether you need presolved libraries with training (most players) or raw solving power (a minority), then filter by your format and the devices you genuinely study on. - All formats, every device, lowest cost per feature: GTO Gecko - MTTs with coaching and a community: Octopi Poker - MTT drilling under $30/month: DTO Poker - Study that feels like competing: GTO Strategy - Cash-game training with maximum polish: Lucid GTO - Heads-up or Spins specialism: GTOBase - Owning your own research stack: PioSolver or GTO+ - Custom solves on a Mac or laptop: Deepsolver - One skill, on your phone, cheaply: ThinkGTO Whichever direction you go, anchor your preflop game first; sloppy opens poison every postflop sim you study. Our free [preflop charts and opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) are a solid baseline, and the wider landscape is covered in [our best poker solvers roundup](https://gtogecko.com/blog/best-poker-solvers). Frequently Asked Questions Is there a cheaper alternative to GTO Wizard? Yes, several. GTO Gecko's all-access annual plan works out to about $20 per month, roughly half of GTO Wizard's $39 Starter tier, and a single format runs about $12.50 per month billed annually. DTO starts at $9.99 per month for MTT drilling, and GTO+ is a $75 one-time purchase if you want a desktop solver you own outright. What is the best GTO Wizard alternative for mobile? GTO Gecko is the strongest full-platform option on mobile, with native iOS and Android apps (plus macOS and web) covered by one synced subscription; it holds 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026). You can get it on the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). Lucid GTO and the ThinkGTO apps are also solid on phones, with narrower scope. Did GTO Wizard raise its prices in 2026? Yes. Effective March 31, 2026, GTO Wizard raised Premium and Elite pricing by $10 to $20 per month (8 to 15%) for new subscribers, merged its five format-specific plans into Cash and Tournament bundles, and introduced an Ultra tier around $229 per month. Existing Premium-and-above subscribers kept their previous rates under a loyalty lock. Can I study GTO poker for free? To a meaningful degree, yes. GTO Gecko's permanent free tier includes the preflop range library, daily free trainer hands, and free odds and bankroll calculators, with no credit card. DTO, Lucid, GTO Strategy, and the ThinkGTO apps all offer free tiers too. Free access is enough to build preflop fundamentals; postflop depth is where the paid plans separate. Is PioSolver better than GTO Wizard? They are different categories. PioSolver is a one-time-purchase research engine: you build and run your own simulations with full control, but get no presolved library, trainer, or mobile access. GTO Wizard is a subscription study platform built on presolved solutions. Researchers and coaches lean Pio; players who want to drill and improve quickly are better served by a library-and-trainer platform. The Bottom Line GTO Wizard remains the category heavyweight, and if budget is no object you will not regret it. But in 2026 the gap between its price and the field's has never been wider, and most players can get 90% of the study value for a third of the cost. Our pick, with the disclosed bias on the table: GTO Gecko, for the simple reason that no other tool combines presolved Cash, MTT, and Spin libraries, true 3-way solutions, three adaptive trainers, and a stats suite across web, iOS, Android, and macOS at around $20 per month. The free tier costs you nothing to test that claim: [open the free preflop library on GTO Gecko](https://play.gtogecko.com/), drill your daily free trainer hands, and see whether the explanations make you better before a single dollar changes hands. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### GTO Wizard Pricing 2026: Full Cost Breakdown & Worth-It Math https://gtogecko.com/blog/gto-wizard-pricing GTO Wizard raised its prices on March 31, 2026, and the poker forums have not stopped arguing since. The short version: the market-leading solver platform now runs $49 to $279 per month depending on tier, the subscription covers one format at a time, and the full price list lives inside the app rather than on the public homepage. This guide lays out every verified number, what each tier actually gates, and the arithmetic that tells you whether your stakes justify the cost. One thing up front: GTO Wizard is excellent software. This is not a hit piece. The library is enormous, the study tools are polished, and serious players at meaningful stakes get real value from it — our [full GTO Wizard review](https://gtogecko.com/blog/gto-wizard-review) covers the product itself. The only honest question here is whether the subscription makes sense relative to the money you win at the tables. That is a math problem, so we will do the math. How Much Does GTO Wizard Cost in 2026? As of August 2026, GTO Wizard costs $49/month (Starter), $99/month (Premium), $169/month (Elite), or $279/month (Ultra) on monthly billing. Annual billing drops those to $39, $79, $139, and $229 per month. Each subscription covers one format track, Cash or Tournament, and a limited free tier exists. Tier Monthly billing Annual billing Headline access Free $0 $0 Daily limits: 100 preflop solutions, 1 postflop spot, 10 practice hands Starter $49/mo $39/mo ($468/yr) Single Size Solutions, weekly coaching Premium $99/mo $79/mo ($948/yr) Full solution library, complete bet-size trees Elite $169/mo $139/mo ($1,668/yr) Custom AI solving, nodelocking, 3-way Single Size Ultra $279/mo $229/mo ($2,748/yr) Multiway preflop solving, custom 3-way postflop, tree builder Three fine-print details matter. First, those prices buy one format . The Cash plan and the Tournament plan are separate subscriptions, so a player who grinds both cash games and MTTs at Elite level pays $278 per month on annual billing, not $139. Second, the Ultra prices are labeled Early Bird; GTO Wizard has announced they rise to $359/month ($289 annually) once ICM preflop solving ships. Third, you will not find any of this on the marketing site. The pricing page redirects into the app, which is why so many players search for the numbers instead. What Does Each GTO Wizard Tier Actually Include? The free tier is a daily-limited sampler. Starter buys simplified one-size solutions. Premium opens the full presolved library with complete bet-size trees. Elite adds the custom AI solver and nodelocking. Ultra adds multiway preflop solving for up to nine players plus a custom tree builder. The jumps that matter most are Free to Premium and Premium to Elite. Free You get 100 preflop solutions per day, one postflop spot per day, 10 practice hands per day, and five analyzed hands per month. That is genuinely useful for checking the occasional preflop spot, and it is the best way to evaluate the interface before paying. Starter ($39-49/mo) Starter is built around Single Size Solutions, which show one solver-chosen bet size per decision point instead of the full mixed-strategy tree. You also get weekly coaching sessions and a small hand-analyzer allowance. It is a reasonable on-ramp, but anyone studying [GTO fundamentals](https://gtogecko.com/blog/what-is-gto-poker) seriously will bump into the simplification fast: you see what the solver does, not the menu of sizings it chose between. Premium ($79-99/mo) Premium is the real product for most subscribers. You get the full presolved library for your chosen format, complete bet-size trees, heads-up postflop solutions, and the higher analyzer caps. What you do not get: custom solving of any kind. If a spot is not in the library, you cannot solve it. Elite ($139-169/mo) Elite is where custom solving lives. You can submit your own scenarios to the AI solver (two players), and you get nodelocking, the feature that lets you force an opponent into a non-GTO strategy and see [how the solver exploits it](https://gtogecko.com/blog/how-to-use-poker-solver). Nodelocking is Elite-only, apart from a single free demo flop, Q ♠ T ♠ 7 ♥ . Elite also adds 3-way Single Size solutions. Ultra ($229-279/mo) Ultra targets professionals and coaches: custom multiway preflop solving for up to nine players, custom 3-way postflop solves, a preflop tree builder, and a monthly allowance of Power Credits for heavy reports. If you are not selling coaching or playing high stakes for a living, you almost certainly do not need it. What Happened in the March 2026 Price Increase? On March 31, 2026, GTO Wizard merged its five format subscriptions into two (Cash and Tournament) and raised Premium and Elite prices by $10 to $20 per month for new subscribers, an increase of roughly 8 to 15 percent. Anyone subscribed to Premium or higher before the cutoff kept their old rate on a locked loyalty plan. The consolidation deserves a fair reading. Under the old structure, Cash, MTT, Spin & Go, heads-up SNG, and Straddle & Ante were five separate subscriptions. Now Tournament bundles MTT, Spins, and HUSNG content together, and Cash absorbs the straddle and ante material. A player who previously stacked two or three format subscriptions can come out ahead despite the higher sticker price. For everyone else, it is simply a price increase, and it landed on a product that forum regulars already called expensive. The loyalty lock softened the blow for existing customers, but if you are reading a pricing guide in mid-2026, you are by definition paying the new rates. Is GTO Wizard Worth It? Run the Numbers for Your Stakes Whether GTO Wizard is worth it depends almost entirely on your stakes and volume. Treat the subscription as added rake: Elite at $139/month is trivial for an NL500 regular, costs an NL200 reg about a quarter of a big blind per 100 hands, and eats roughly a third of a typical winning NL25 player's entire profit. Here is the arithmetic. One big blind per 100 hands of winrate improvement is worth a specific dollar amount each month, depending on your stake and hand volume. Assume an online grinder playing 30,000 hands per month: Stake Value of +1bb/100 (30k hands/mo) Improvement needed to cover Elite ($139/mo) NL25 $75/mo ~1.9bb/100 NL50 $150/mo ~0.9bb/100 NL100 $300/mo ~0.5bb/100 NL200 $600/mo ~0.23bb/100 NL500 $1,500/mo ~0.09bb/100 Read that table honestly. At NL200 and above, Elite pays for itself if it sharpens your game by a quarter of a big blind per hundred hands, which focused study can plausibly deliver. At NL25, you need to sustain nearly 2bb/100 of improvement, every month, forever, just to break even. A good NL25 winrate is 5-8bb/100, so the subscription is taxing 25-40 percent of your gross win. That is a brutal ratio, and it is exactly the kind of fixed cost that [disciplined bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros) tells you to question. Live players should do the same exercise in hours. A winning $1/$3 player earning around $15 per hour and playing 60 hours a month grosses roughly $900. Elite takes 15 percent of that. At $2/$5 and up, the percentage drops into the single digits and the decision gets easy. For tournament players, divide the subscription by your monthly buy-in volume. Ultra at $229/month against $5,000 of monthly volume demands a 4.6 percent ROI improvement just to break even, which is an enormous ask. Against $20,000 of volume it is 1.1 percent, very achievable for a player drilling [ICM spots](https://gtogecko.com/blog/icm-poker-strategy) properly for the first time. A workable rule of thumb across formats: if the subscription costs more than 10-15 percent of your realistic monthly profit, drop a tier or look elsewhere. Who Should Pay for GTO Wizard, and Who Shouldn't? GTO Wizard makes clear financial sense for online regulars at NL200 and above, MTT players with five figures of monthly buy-in volume, and coaches who bill for the analysis it produces. It makes much less sense for micro-stakes grinders, live $1/$2 players, and recreational players studying a few hours a week. Pay for it if: - You play NL200+ online or mid-stakes live and study several hours a week. The break-even math is comfortably on your side. - You are an MTT professional. The tournament library and final-table ICM content are genuinely strong, and at real volume the cost disappears into the noise. - You coach or produce content. Elite or Ultra is a business expense that pays for itself with one client. - You hold a pre-March loyalty rate. Your locked price is better than anything a new subscriber can get; keep it. Skip it (or downgrade) if: - You play NL2-NL50. The math above is unforgiving, and most leaks at these stakes are preflop-shaped. [Solid opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) and [free GTO resources](https://gtogecko.com/blog/free-gto-resources) fix the expensive mistakes before any paid tool needs to. - You play both cash and tournaments at small stakes. Two format subscriptions double the bill, and the worth-it math rarely survives the doubling. - You study less than two hours a week. A $139/month tool used twice a month costs you more per session than a coaching hour. Cheaper Alternatives If the Math Says No If GTO Wizard's pricing fails your break-even test, the 2026 market offers solver-quality study at a fraction of the cost. Realistic options run from $10 to $49 per month for subscriptions, or a one-time $249-475 for old-school desktop solvers, with trade-offs in library depth, formats, and features. Tool Price (as of June 2026) Best for GTO Gecko $24.99/mo single format, $39.99/mo all-access All-in-one solver + trainer on web and mobile GTO Strategy $39/mo Standard, $79/mo Elite Gamified study with leaderboards Lucid GTO $49/mo or $490/yr Pro Cross-platform drilling, free entry tier DTO Poker Tiers from ~$9.99/mo MTT-focused training drills Octopi Poker ~$200/yr Personal, ~$600/yr Professional MTT study groups and coaching content PioSolver $249-475 one-time Desktop power users running their own sims Each has a real niche. [DTO](https://gtogecko.com/blog/dto-poker-review) is a polished MTT trainer if drilling is all you want. Lucid runs on practically anything and its free tier is generous. PioSolver remains the pro standard for custom desktop work, though it is Windows-only with no trainer and no presolved library, which is why [many players pair or replace it](https://gtogecko.com/blog/piosolver-alternatives) with something more convenient. Our full guides to [GTO Wizard alternatives](https://gtogecko.com/blog/gto-wizard-alternatives) and the [best poker solvers](https://gtogecko.com/blog/best-poker-solvers) compare the whole field in depth. Then there is the option we built. GTO Gecko costs $24.99/month for a single format (Cash, MTT, or Spin & Go) or $39.99/month for all three, with annual billing at $149.99/year (about $12.50/month) and $239.99/year (about $20/month) respectively. One subscription covers the web app, iOS, Android, and a native macOS app, fully synced. For the price of GTO Wizard's Starter tier on annual billing, all-access gets you the presolved preflop and postflop library across every format including straddle and ante tables, true 3-way multiway postflop solutions, a built-in solver for custom spots, three trainers with ELO ratings that re-serve the spots you misplay, and plain-English explanations of why the solver action is right. ICM-aware MTT ranges are available in the Elite tiers. As of August 2026 it is rated 4.77 on Google Play with over 10,000 downloads, and holds 288 App Store ratings worldwide averaging about 4.8, including 5.0 in Brazil. We wrote up an honest feature-by-feature comparison in [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). The fastest way to judge it yourself costs nothing: [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/) and play the daily free trainer hands, no credit card involved. The Honest Verdict on GTO Wizard Pricing GTO Wizard earned its position as the market leader, and at $139-169 per month for Elite, a winning NL200+ regular or high-volume MTT pro should pay it without flinching. The software is not the problem. The problem is that most of the people paying for it play stakes where the subscription consumes 20-40 percent of their expected profit. So run your own numbers before subscribing. Take your stake, your monthly volume, and your honest winrate, and ask what improvement the tool must deliver to pay for itself. If the answer is a quarter of a big blind per hundred, subscribe. If the answer is two big blinds per hundred, your money works harder in your bankroll, with a cheaper tool covering the same fundamentals. GTO Wizard Pricing FAQ How much does GTO Wizard cost per month? As of August 2026: Starter $49, Premium $99, Elite $169, and Ultra $279 per month on monthly billing. Annual billing reduces these to $39, $79, $139, and $229 per month. Each subscription covers one format, Cash or Tournament, so access to both formats requires two subscriptions. Is there a free version of GTO Wizard? Yes. The permanent free tier includes 100 preflop solutions per day, one postflop spot per day, 10 practice hands per day, and five analyzed hands per month. It works well as a preflop reference and as a way to test the interface before paying. Why did GTO Wizard prices go up in 2026? On March 31, 2026, GTO Wizard consolidated five format subscriptions into two (Cash and Tournament) and raised Premium and Elite prices by $10-20 per month, roughly 8-15 percent, for new subscribers. Existing Premium-and-above subscribers kept their old rates on locked loyalty plans. Is GTO Wizard worth it for micro and low stakes? Usually not on the paid tiers. At NL25 with 30,000 hands per month, Elite requires roughly 1.9bb/100 of sustained winrate improvement just to break even, which is 25-40 percent of a good winrate at that level. Micro-stakes players get better value from the free tier plus a cheaper all-in-one tool in the $25-40 range. What is the cheapest way to get GTO Wizard? Annual billing, which cuts roughly 18-20 percent off every tier: Starter drops to $39/month and Elite to $139/month. Beyond that, pick one format instead of two and only buy the tier whose features you will actually use; Premium covers everything except custom solving and nodelocking. Do I need separate subscriptions for cash games and tournaments? Yes. After the March 2026 consolidation, GTO Wizard sells two format tracks: Cash (including straddle and ante content) and Tournament (including MTT, Spin & Go, and heads-up SNG content). Each is a separate subscription, so both formats at Elite cost $278 per month on annual billing. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### How to Use a Poker Solver: The Complete Study Guide https://gtogecko.com/blog/how-to-use-poker-solver Solvers tell you the truth about poker, but in a language most players never learn to read. Open one for the first time and you get a wall of colored grids, percentages, and EV numbers with no manual attached. This guide is the manual. You will learn what a solver actually computes, which inputs matter, how to read the output without falling into the mixed-strategy trap, and how to turn it into a study routine that survives a real schedule. What Does a Poker Solver Actually Do? A poker solver is software that computes a [game theory optimal (GTO)](https://gtogecko.com/blog/what-is-gto-poker) strategy for a specific situation. Give it both players' ranges, the stack sizes, and the allowed bet sizes, and it returns an unexploitable strategy: how often every hand in the range should bet, check, call, raise, or fold, and what each option is worth. The key word is unexploitable. A solver does not guess what your opponent will do. It assumes a perfect opponent and finds the strategy that loses nothing even against perfect counterplay. That makes solver output a baseline, not a prophecy: every deviation your real opponents make from it is a profit opportunity you can attack later. A solver will not hand you a simple rule like "always c-bet dry boards." It hands you raw data. The rules are in there, but extracting them is your job. How Do Poker Solvers Work? Solvers work by playing a spot against themselves millions of times. Two candidate strategies take turns exploiting each other, each adjusting toward the better counter, until neither side can gain more than a tiny margin by deviating. That stopping point is a Nash equilibrium, and the leftover margin is the solve's accuracy. Accuracy is expressed as a percentage of the pot. A solve accurate to 0.3% of pot means the best counter-strategy gains at most 0.3% of pot against it, far below anything a human can exploit. Under about 0.5% is plenty for study. The catch is compute. Solving a single flop with a full betting tree takes real processing time, and poker has 1,755 strategically distinct flops. Modern tools therefore come in two flavors: presolved libraries, with thousands of common spots solved in advance and loading instantly, and custom solvers, where you define a scenario and wait for the math. GTO Gecko ships both, with a presolved library covering Cash (including straddle and ante tables), MTT, and Spin & Go, true 3-way multiway postflop solutions, and a built-in solver for custom spots. Which Solver Inputs Actually Matter? Three inputs decide whether a solve is worth anything: the preflop ranges you assign, the bet sizes you allow, and the accuracy target. Get the ranges wrong and every number downstream is wrong. Hand the solver a bloated sizing tree and you get noise and slow solves. Everything else is detail. Ranges Come First A solver does not know what hands people play. It solves the matchup between the exact ranges you feed it, nothing more. Tell it the big blind defends 80% of hands against a button open and the output is a perfect strategy against a player you will never meet. Start from solver-derived [preflop opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) and realistic defense ranges, and only edit them when you have a concrete read. If [thinking in ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) still feels foreign, fix that before touching a postflop solver, because every output is a statement about ranges, not single hands. Bet Sizings Shape Everything The solver can only choose from the sizes you allow, and it will squeeze every drop of EV out of whatever tree you build. Two or three sizes per node is the sweet spot. Leave out a key option, like an overbet on nut-advantage rivers, and the solver compensates with distorted frequencies elsewhere. Pack in eight sizes and the strategy splinters into micro-frequencies no human can use. Standard trees run something like 33% and 75% pot on the flop, adding [overbets](https://gtogecko.com/blog/overbetting-strategy) on turns and rivers; our [bet sizing guide](https://gtogecko.com/blog/poker-bet-sizing-strategy) explains why those numbers work. Accuracy, Rake, and Stack Depth Set accuracy around 0.3-0.5% of pot. Include rake if you play raked cash games below mid-stakes, since rake meaningfully tightens calling ranges. And match stack depth to your actual game: a 100bb solution applied to a 40bb tournament spot is wrong in ways that cost real money. How Do You Read Solver Outputs? Two useful numbers in solver output are how often a hand takes each action (frequency) and what each action is worth against the modeled opposing strategy (EV). Start by distinguishing pure actions from mixed actions, then look for the hand properties that explain the pattern. A mixed action assigns positive probability to more than one option for a hand at a decision point. In an exact equilibrium, at a decision reached with positive probability for that hand, actions used in a mix have equal EV against the equilibrium opponent, with continuation strategies held fixed. A computed approximation can show small EV differences, as [PioSOLVER’s official documentation](https://piosolver.com/docs/faq/gto_concept/) explains. Which combinations mix can depend on [blockers](https://gtogecko.com/blog/blockers-unblockers), board coverage and the rest of the configured game. What a Mixed Strategy Looks Like As a synthetic illustration, suppose a chosen policy for one hand assigns: - Betting small 40% of the time - Betting large 35% of the time - Checking 25% of the time These invented percentages illustrate a mix; they are not evidence of a solved hand or of equal action values. An actual result needs its game configuration and EV estimates. Frequency Mistakes vs. Pure Mistakes If two actions have equal EV against a specified fixed opponent, reallocating probability between them at that decision preserves the local expected value while the continuation strategies stay fixed. That does not establish that the changed overall strategy remains unexploitable or performs equally against another opponent. - Frequency deviations: Changing the proportions of available actions. Their effect depends on action values, the opponent and whether the changed strategy permits a better response. - Lower-EV actions: Choosing an action with a lower displayed value loses EV against that computed opposing strategy by the displayed gap. A rounded zero frequency alone does not prove an action is strictly worse against every opponent. Use the action values to set a review priority Compare the available action values in the actual node. A substantial EV gap is a stronger reason to investigate than a small difference between displayed frequencies. Neither “QQ on an Ace-high flop” nor an action’s color is enough to establish the best decision without the remaining inputs. Prioritize well-supported large EV gaps, then study the reasons for mixing. Once you adopt a frequency for off-table practice, you can execute it with disjoint random-number intervals. Our [poker randomizer guide](https://gtogecko.com/blog/poker-randomizer) maps the 40/35/25 example and explains why a short-run action quota changes the procedure. Find patterns before simplifying a mix Sort the grid by hand class and inspect which properties distinguish betting, checking and mixing in this solution. Write a provisional rule, then check its exceptions across relevant hands and boards. That is different from assuming every top pair bets or every weak hand checks. The distinction between [polarized and merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges) can help organize the observation, but a convenient rule is still a simplification to evaluate. A Worked Example: Button vs Big Blind on K♠7♦2♣ Take the most common postflop situation in poker. You open 2.5bb on the button, the big blind calls, and the flop comes K ♠ 7 ♦ 2 ♣ rainbow. The big blind checks to you with 5.5bb in the pot and full stacks behind. The solver has a strong opinion here. Typical Solver Output, BTN vs BB on K♠7♦2♣ - Bet 33% pot: roughly three-quarters of the button's entire range - Check: most of the remainder - Bet 75% pot or larger: barely used Every Kx hand bets small. Pocket pairs below the king bet small for value and protection. Even hands like Q ♥ J ♥ and T ♠ 9 ♠ bet, leaning on overcards and backdoor draws. The few checks concentrate in medium hands that hate getting check-raised, such as A7 or 88. Why so aggressive? Range advantage. The button arrives with every AA, KK, and AK, while the big blind would have 3-bet most of those preflop. On a dry king-high board the caller's range is stuffed with missed hands that must fold to one-third pot, and little can punish a small [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet). Betting small with nearly everything is cheap, relentless pressure. Now read it like a threshold hunter. The lesson is not "bet K7s exactly 84% of the time." The lesson is a rule: on dry, king-high rainbow flops in position against the big blind, bet small with close to your whole range. The EV column shows why hands mix at all: for marginal hands, betting and checking sit within hundredths of a big blind, while strong hands lose real EV whenever they check. One solve, one transferable rule. That is the unit of solver study. How to Study Poker With a Solver An effective solver study loop has three steps: drill a focused family of spots against the solution, review your mistakes with EV loss attached, and dig into why the solver disagrees with you before moving on. One spot family per week beats hopping between random hands every night. Step 1: Drill, Don't Browse Staring at range grids feels like studying but barely sticks. Active recall does. Use a trainer that deals you spots, grades each decision against the solution, and tracks the EV you gave up. GTO Gecko has three of them, covering preflop, postflop, and full hands, with an ELO rating that tracks your level and adaptive drilling that re-serves the spots you misplay until they stop being problems. Step 2: Review With Numbers, Not Vibes After each session, look at where the EV losses cluster. Per-street accuracy tells you whether your leaks live on the flop or the river. A position matrix shows which seats bleed. Pot-type stats separate your single-raised-pot game from your 3-bet-pot game. Our [EV-loss leak finder guide](https://gtogecko.com/blog/poker-leak-finder-ev-loss) shows how to rank those patterns without overreading a small sample. Step 3: Ask Why Until It Transfers A frequency you cannot explain is a frequency you will misapply on the next texture. The old-school method, changing one variable and re-solving, works but is slow. GTO Gecko's explainability engine shortcuts it: machine-learning analysis (SHAP factors) lists the reasons behind the recommended action in plain English, such as range advantage, hand vulnerability, or blocker effects, so you learn the why alongside the what. Generalize Across Positions, Textures, and Stack Depths Poker has too many situations to study one at a time, so deliberately hunt for patterns that travel: - Across positions: On ace-high disconnected boards versus the big blind at 50bb, you can bet your entire range from almost any position. The main change is sizing: earlier positions bet larger. - Across textures: On low connected boards, solvers prefer bigger sizes, and vulnerable overpairs like 99 and TT bet more often than QQ+, because they benefit most from protection. - Across stack depths: The shallower the stacks, the more often and the bigger you bet, and the weaker the hands you are willing to stack off with. At 100bb a weak top pair often checks back; at 20bb it bets big and gets the money in. Connected vs. Disconnected Boards On a connected board like 7 ♠ 6 ♥ 5 ♣ , play top pair cautiously: more checks, smaller bets. On a disconnected board like 9 ♥ 3 ♠ 2 ♦ , bet top pair bigger with confidence, since far fewer straights and two-pair combos exist in your opponent's range. Tournament players should add one more axis: payout pressure. [ICM](https://gtogecko.com/blog/icm-poker-strategy) reshapes ranges near bubbles and final tables, and ICM-aware MTT ranges are available in GTO Gecko's Elite tiers. You can start this workflow without paying anything. [Browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/) and use the daily free trainer hands to test the drill-review-why loop yourself, no credit card involved. Common Beginner Mistakes With Solvers Five errors burn most of a beginner's study hours: copying mixed frequencies, trusting node-locked fantasies, studying rare spots instead of frequent ones, collecting outputs without asking why, and feeding the solver bad inputs. - Executing a mix without understanding the input. A randomizer can implement a 60/40 split, but it cannot establish whether that split belongs to the hand and decision you are studying. Check the input before drilling it. - Over-trusting node-locked fantasies. Node-locking forces the opponent to play a flawed strategy and solves for the counter. With real data behind it, that is a sharp tool. Without data, it builds an exploit for an opponent who does not exist. Learn the equilibrium baseline first, then deviate with evidence, as covered in [GTO vs. exploitative play](https://gtogecko.com/blog/gto-vs-exploitative). - Studying random spots instead of frequent ones. A wild 4-bet pot from a televised final table is fun and nearly worthless, because you will see that spot twice a year. You will play button versus big blind tonight. Weight your study time by how often a spot occurs. - Collecting answers without reasons. If you cannot say why the solver bets small on K72 rainbow, you will guess wrong on Q83 two-tone. Force yourself, or your tools, to produce the reason first. - Garbage inputs. Wrong ranges, missing sizings, no rake. The solve converges beautifully and the answer is still fiction. Your First 30 Days With a Solver Twenty focused minutes a day for a month puts you ahead of most of your player pool, because most players study nothing in a structured way. The plan below front-loads preflop, moves to the most frequent postflop spot in the game, and ends with a week aimed at your own worst numbers. Week Focus Daily time 1 Preflop: drill opening ranges by position, then big blind defense 15-20 min 2 Flop: BTN vs BB single-raised pots; learn which textures bet small vs. big 20 min 3 Turn: barreling rules, plus reviewing hands from your own sessions 20-30 min 4 Leak week: re-drill your three worst spots from your accuracy stats 20-30 min Two notes on making it stick. First, track one number, such as trainer accuracy or ELO, so progress is visible; expect a dip in week two before the climb. Second, keep sessions short and daily rather than long and weekly, because range recognition is a memory skill and memory loves repetition. If budget is the obstacle, start with the [free GTO resources](https://gtogecko.com/blog/free-gto-resources) available before spending anything. Poker Solver FAQ Is using a poker solver cheating? Off-table solver study is generally treated differently from real-time assistance, but platform terms and local laws vary. Major rooms prohibit external advice during live decisions, and some restrict advanced tools whenever their client is open. Read our current guide to [solver study versus RTA](https://gtogecko.com/blog/are-poker-solvers-allowed-rta), then verify the policy for your room. Do poker solvers actually work? Yes. Solvers compute strategies accurate to fractions of a percent of the pot, and they have reshaped professional strategy since around 2015. Small c-bets, range betting, and overbets all moved from fringe ideas to standard play because solvers proved them. The honest caveat: output quality depends entirely on input quality. Can a beginner use a poker solver? Yes, with the right entry point. Raw solver grids are rough on newcomers, so start with presolved libraries and trainers instead of custom solving, and lean on tools that explain recommendations in plain English. Learn ranges and basic preflop play first. Our roundup of the [best poker solvers](https://gtogecko.com/blog/best-poker-solvers) compares the beginner-friendly options. Do I need to memorize solver outputs? No, and trying is counterproductive. There are too many situations, and exact frequencies are the least transferable part of the output. Memorize thresholds and patterns instead: which hand classes always bet, how sizing shifts with texture and stack depth, and why. Drilling spots until the patterns become automatic beats memorizing any individual solve. What is the difference between a solver and a trainer? A solver computes or exposes a strategy for a defined model; a trainer quizzes you against a reference solution. The solver is the textbook, and the trainer is the practice set. Our [poker solver versus GTO trainer comparison](https://gtogecko.com/blog/poker-solver-vs-gto-trainer) covers inputs, outputs, buying criteria, and the study loop that connects them. Put a Solver to Work Tonight Everything in this guide compresses to one loop: pick a frequent spot, drill it, review the EV losses, understand why the solver disagrees with you, extract the threshold rule, repeat. Run that loop for 30 days and your decisions start arriving faster and cleaner at the table. GTO Gecko runs the whole loop in one place: a presolved library across Cash, MTT, and Spin & Go, true 3-way multiway solutions, a built-in solver for custom spots, three trainers with adaptive drilling, and explainability that tells you why in plain English. It works on the web, iOS, Android, and native macOS, and one subscription covers every platform with synced progress. Plans and current pricing are listed at [play.gtogecko.com](https://play.gtogecko.com/), and the free tier, with the full preflop range library and daily trainer hands, costs nothing to try tonight. ### ICM Poker Explained: Chip EV vs ICM Made Simple https://gtogecko.com/blog/icm-poker-strategy Tournament chips are not money. That single fact separates tournament strategy from cash-game strategy, and the Independent Chip Model (ICM) is the math that measures it. Players who ignore ICM make calls that look fine in chips and bleed real dollars. This guide explains what ICM is, walks through an actual calculation with three players and a $100 prize pool, and shows exactly how ICM pressure reshapes your preflop ranges. This is the ground-floor article. Once the model clicks, our [final table ICM strategy guide](https://gtogecko.com/blog/final-table-icm-strategy) is the deep dive: ladder math, stack-by-stack adjustments, and the spots where ICM gets truly violent. What Is ICM in Poker? ICM, the Independent Chip Model, is a formula that converts tournament chip stacks into real-money prize equity. It takes two inputs, the remaining stacks and the remaining payouts, and outputs what each stack is worth in dollars right now. It ignores skill, position, and blinds entirely; it is a pure snapshot of stacks versus payouts. Why does anyone need a model for this? Because tournament payouts are not proportional to chips. Bust 14th and you collect 14th-place money whether you went out with one big blind or a mountain. Chips only convert to cash through the payout ladder, and that conversion is lumpy. Three consequences fall out of the model immediately: - Chips lose marginal value as you stack them. Your first 5,000 chips are worth more dollars than your next 5,000. Doubling your stack never doubles your equity. - Survival has cash value. Folding into a pay jump earns real money without playing a hand. - Every all-in is a dollar decision, not a chip decision. A call that wins chips on average can still lose money on average. Every serious ICM calculator, deal-making tool, and tournament solver runs some version of this model under the hood, usually the Malmuth-Harville method we will walk through below. Chip EV vs ICM: What Is the Difference? Chip EV (cEV) values every chip equally, so doubling your stack doubles your tournament value. ICM ($EV) weights chips against the payout structure, so doubling your stack always less than doubles your real-money equity. In cash games the two are identical. In tournaments they diverge, and the gap peaks near pay jumps. The practical headline is an asymmetry: a chip you lose is worth more than a chip you win. Lose half your stack and you lose more dollar equity than you gain by winning the same amount. That asymmetry is why tournament players need extra equity to get chips in, and why "I was flipping, it's fine" is often wrong in a way it never is at a cash table. Early in a tournament with flat stacks and distant payouts, standard [GTO opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) apply almost unchanged. The divergence grows as the bubble approaches and explodes at final tables and in satellites. A Worked ICM Example: 3 Players, $100 Prize Pool In a three-handed tournament paying $50, $30, and $20, a player holding 50% of the chips holds only about 38% of the prize money under ICM. The example below shows why, using the Malmuth-Harville method that nearly every ICM tool runs internally. Setup: 10,000 chips in play, three players left, everyone is already in the money. Player Stack Chip share ICM equity A 5,000 50% $38.39 B 3,000 30% $32.75 C 2,000 20% $28.86 The intuition behind the calculation is simple, even though the arithmetic gets tedious fast: - Your chance of finishing 1st equals your share of the chips. Player A wins 50% of the time, B 30%, C 20%. - For 2nd place, imagine each opponent winning, remove them, and re-run the logic on what remains. If B wins (30% of the time), A finishes 2nd with probability 5,000 / 7,000, A's share of the non-B chips. If C wins (20%), A is 2nd with probability 5,000 / 8,000. Add it up and A finishes 2nd about 34% of the time, and 3rd the remaining 16%. - Multiply each finish probability by its payout. For A: 50% of $50, plus 34% of $30, plus 16% of $20, roughly $38.39. Now look at what the table is telling you. Player A holds half the chips but only $38.39 of a $100 pool. Player C holds a fifth of the chips but $28.86, because even the shortest stack still cashes for at least $20 and wins outright 20% of the time. If A won every chip on the table, the prize is capped at $50: the second 5,000 chips would add only $11.61 of equity, while the first 5,000 carried $38.39. Here is the same idea as a decision. Suppose A and B get all-in on a pure coin flip for B's 3,000-chip stack: - A wins: A has 8,000 chips, B is out. A's new equity: $46.00. - A loses: A drops to 2,000 chips. A's new equity: $29.50. - The flip is 50/50, so A's average: $37.75, which is less than the $38.39 A had before the hand. A chip-neutral gamble costs the chip leader $0.64 in real money. Run the numbers and A needs about 53.9% equity just to break even, because A risks $8.89 of equity to win $7.61. That extra 4% is ICM pressure in its mildest form: three players, modest pay jumps, no bubble. It only gets heavier from here. What Is ICM Pressure? The Bubble Factor ICM pressure is the gap between chip odds and dollar odds in a confrontation. It is measured by the bubble factor: the dollars you lose by losing an all-in divided by the dollars you gain by winning it. A bubble factor of 1.5 means losses hurt 1.5 times more than wins help, so you need 60% equity in a spot that chip math prices at 50%. In the three-handed example above, Player A's bubble factor against B was 8.89 / 7.61, about 1.17. In a cash game the bubble factor is always exactly 1. In tournaments it ranges from barely above 1 in the early levels to numbers so large that no starting hand can call. Bubble factor Equity needed (even chip odds) Typical situation 1.0 50% Cash games, winner-take-all 1.2 ~55% Early and mid MTT stages 1.5 60% Approaching the money, medium stack 2.0 ~67% Money bubble vs a stack that covers you 3.0+ 75%+ Satellite bubbles, brutal final-table ladders The conversion is mechanical: at even chip odds, required equity = bubble factor / (bubble factor + 1). What makes bubble factors interesting is that they are pairwise. You do not have one bubble factor; you have one against each opponent, and they are wildly unequal. The worst seat in tournament poker is the medium stack facing a stack that covers you: your bubble factor against the chip leader might be 2.0 while it is only 1.2 against a short stack. The chip leader enjoys the mirror image, risking chips priced near 1.1 while charging you 2.0. That one-way leverage is why competent chip leaders raise relentlessly on bubbles. The Classic Satellite Hand: Folding Pocket Aces Preflop In satellites, where every seat pays exactly the same, ICM becomes so extreme that folding pocket aces preflop is often the standard play. When a fold locks in roughly 95% of a seat and calling an all-in offers 85% equity for that same seat and nothing more, calling burns money with the best hand in poker. Concrete version. Six players remain in a satellite that awards five identical $1,000 seats. You have 60,000 chips, second in chips. One player has 8,000 and pays the big blind in two hands. The chip leader, with 100,000, shoves into you. You look down at A ♠ A ♥ , roughly 85% against whatever they are doing this with. - Fold: you keep 60,000 chips with a micro stack about to blind out. Your seat equity is around 95%, call it $950. - Call and win: you get a seat worth $1,000. Not $2,000, not a bonus, just the same seat with surplus chips that buy nothing. - Call and lose: $0. Calling is worth 0.85 × $1,000 = $850. Folding is worth about $950. Snapping off the shove with aces costs you roughly $100, a tenth of a seat. The upside is capped and the downside is total, which is the satellite condition in one sentence. Flat payouts make chips above "enough to survive" nearly worthless, and our [satellite strategy guide](https://gtogecko.com/blog/poker-satellites) covers how each stack size should play these endgames. Most tournaments are not satellites, and aces are almost never a fold outside them. But the example proves the principle at its limit: hand strength is half the equation, and the payout structure is the other half. How Does ICM Change Preflop Ranges? ICM tightens every range that puts your own stack at risk and widens every range that threatens an opponent's stack. Calling ranges shrink the most, shoving ranges shrink somewhat, and covering stacks attack wider. Medium stacks fold hands they would snap with in a cash game while chip leaders open junk profitably. The concrete shifts, roughly in order of importance: - Calling all-ins tightens hardest. Calling has no fold equity, so it eats the full ICM tax. In the big blind facing a 10bb button jam, a chip EV strategy calls somewhere near 30% of hands. On a money bubble where the button covers you, the range collapses toward strong pairs and big broadways, often a third of its former size. AJo and 66 go from snap calls to easy folds. - Opens tighten when you are covered. A middle stack on the bubble folds hands like ATo, KQo, and 55 from early position, hands that are standard opens in chip EV, because getting jammed on is a disaster at a bubble factor near 2. - Big-stack aggression widens. The covering stack jams and raises hands like K9s, Q9s, and weak offsuit aces that would be chip EV neutral at best, because every opponent's defending range is crushed by their own bubble factor. - Flatting nearly disappears at short stacks. ICM rewards taking the betting lead and punishes passive chip-risking, so play converges on jam-or-fold trees. Our [short stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers those ranges in detail. - Postflop follows the same logic. Fewer thin bluff-catches, more pot control, smaller sizings in stack-threatening spots. The [final table ICM article](https://gtogecko.com/blog/final-table-icm-strategy) works through these postflop adjustments. One warning: ICM does not simply mean "play tighter." It means play tighter when your stack is at risk and looser when only your opponent's is. Players who absorb half the lesson turn into bubble nits that good chip leaders farm for blinds. Common ICM Mistakes Most ICM errors come from running cash-game math in a tournament. These four cover the bulk of the lost money: - Calling because of pot odds alone. "I was getting 2-to-1" is chip math. Your [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) need an ICM tax added before they mean anything near a pay jump. - Ignoring the stack distribution. A 20bb stack plays completely differently when a 2bb stack is about to blind out. Always know who covers whom and where the desperate stacks sit. - Missing the aggressive half. If you cover the table on the bubble and your open frequency looks the same as level two, you are leaving the most profitable spots in tournament poker untouched. - Reverting after a pay jump. One ladder secured does not reset the model. The next jump starts mattering immediately, and stacks rarely rebalance right away. How to Study ICM Spots The fastest way to learn ICM is to compare chip EV and ICM solutions for the same spot side by side, because the hands that change action are exactly the lesson. Reading theory tells you ranges tighten; seeing AJo flip from call to fold in a specific stack setup makes it stick. If you are choosing where to do that, we priced eight of them in [the best MTT poker training apps](https://gtogecko.com/blog/best-mtt-poker-training-apps). This is what GTO Gecko's ICM tooling is built around. The MTT library includes ICM-aware preflop ranges as part of the Elite plans, plus an ICM compare view that puts the chip EV range and the ICM range for the same scenario next to each other, so the risk premium becomes a visible band of hands switching color. The trainers then drill those spots with an ELO rating and adaptive repetition that re-serves whatever you misplay. If you want to know exactly what tournament model sits behind those ranges (field size, payouts, stages, antes), we documented the whole pipeline in [how our solutions are made](https://gtogecko.com/blog/how-gto-gecko-solutions-are-made). You can start without paying anything: [browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/) and use the daily free trainer hands to test how your bubble instincts hold up. No credit card involved. If you want the broader context on reading solver output, our guide on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) is the right companion piece, and if you are weighing dedicated ICM software we compared the prices side by side in our [ICMIZER alternatives roundup](https://gtogecko.com/blog/icmizer-alternatives). Two study habits round it out. First, ICM magnifies variance, so size your buy-ins with the free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) and the principles from [bankroll management for pros](https://gtogecko.com/blog/bankroll-management-for-pros); a thin roll turns correct ICM folds into scared-money over-folds. Second, after every deep run, pull the hands where you felt squeezed and check what an ICM-aware solution actually does there. ICM Poker FAQ What does ICM stand for in poker? ICM stands for Independent Chip Model. It is a mathematical model, usually computed with the Malmuth-Harville method, that converts tournament chip stacks into shares of the remaining prize pool. Solvers, deal-making calculators, and staking arrangements all use it as the standard way to price a tournament stack in dollars. Is ICM only relevant at the final table? No. ICM matters anywhere a pay jump is close relative to stack sizes: the money bubble, final table bubbles, and satellites are the heaviest spots. Early in a tournament it is nearly invisible and chip EV play is fine. Winner-take-all formats stay chip EV throughout; standard [Spin & Go strategy](https://gtogecko.com/blog/spin-and-go-strategy), for example, runs on pure chip EV until a multi-prize structure appears. Should you ever fold pocket aces preflop in a tournament? Yes, but almost exclusively in satellites and extreme final-table ladder spots. When every payout is identical and folding preserves nearly locked-up equity, even an 85% favorite can be a clear fold, as the worked satellite example above shows. In a regular tournament with normal pay jumps, folding aces preflop is virtually never right. What is the difference between chip EV and ICM? Chip EV treats every chip as equally valuable, so a decision is good if it wins chips on average. ICM converts chips into prize money first, so a decision is good only if it wins dollars on average. The two agree in cash games and winner-take-all formats and diverge in any tournament with a payout ladder. Does ICM apply to cash games? No. In a cash game your chips are literally money, so chip EV and dollar EV are the same number and the bubble factor is always 1. That is exactly why cash-game instincts misfire in tournaments: the call that is automatic at a cash table can be a serious error on a bubble. How accurate is the ICM model? ICM is deliberately simplified: it ignores blinds, position, skill edges, and who is about to be forced all-in. Extensions like future game simulation patch some of that. It remains the industry standard because it is close enough in the spots that matter most, and far closer than chip EV. Where to Go From Here You now have the intro toolkit: what ICM is, why a chip won is worth less than a chip lost, how to read a bubble factor, and the concrete ways ranges shift under pressure. The next layer is the [final table ICM strategy guide](https://gtogecko.com/blog/final-table-icm-strategy): ladder-by-ladder adjustments, playing each stack size, and deal-making math. Until then, the cheapest improvement available is simple awareness. Before your next all-in decision near a pay jump, ask one question: am I pricing this in chips or in dollars? The players who ask it consistently earn more from the same cards. ### PioSolver Alternatives in 2026: Easier GTO Study, No Windows PC https://gtogecko.com/blog/piosolver-alternatives PioSolver has been the professional standard since 2015. Ask any high-stakes coach what they solve with, and Pio is usually the answer. But the tool comes with real friction: it costs hundreds of euros up front, it only runs on Windows, and it hands you a blank canvas instead of answers. You build the trees, run the sims, and interpret the output yourself. For a lot of players, that is the wrong tool for the job. This guide breaks down what PioSolver actually costs in 2026, who genuinely needs it, and the best alternatives for every situation: presolved libraries, cheap DIY solvers, PLO, and Mac setups that skip Windows entirely. If you are new to solver work, start with our primer on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) first. How Much Does PioSolver Cost in 2026? As of June 2026, PioSolver sells two editions: Pro at €450 and Edge at €800, both plus applicable taxes. These are one-time purchases that include one year of software updates. The old Basic edition has been discontinued, so €450 is now the entry price for full postflop solving. Here is what each edition includes: Edition Price (June 2026) What You Get PioSOLVER 3.0 Pro €450 one-time Full postflop solver, up to 16 cores, use on two computers PioSOLVER 3.0 Edge €800 one-time Everything in Pro, plus preflop solver, up to 64 cores, custom hardware builds Two costs hide behind the sticker price. First, hardware: Pio recommends at least 64GB of RAM and a fast modern CPU if you want to run preflop solves on Edge, which means many buyers also spend on a dedicated solver PC. Second, time: there is no presolved library, no trainer, and no mobile app. Every answer Pio gives you is an answer you set up yourself. There is a free version that lets you experiment with limited features, but PioSolver does not offer trials of the full product. Why Look for a PioSolver Alternative? The most common reasons players replace or skip PioSolver: it requires a Windows PC, the learning curve is steep, the all-in cost often exceeds €1,000 with hardware, and it ships with zero presolved content. You are buying a research instrument, not a study program. Each of those deserves a closer look: - Windows-only. Pio requires 64-bit Windows. Mac users need Parallels or a separate PC. There is no mobile or web version, so your study lives on one machine. - You run everything yourself. Building accurate trees takes real knowledge: bet-sizing options, rake settings, preflop ranges for every position. Get one input wrong and the output is quietly wrong too. - Aggregation is manual. Want to know your c-bet strategy across all 1,755 flops? In Pio, that means scripting batch solves and building aggregation reports. Library tools hand you that view in two clicks. - No training layer. Pio tells you the equilibrium. It does not drill you, track your accuracy, or explain why a line is right. Turning solves into skill is a separate project. None of this makes Pio bad. It makes Pio a pro tool with pro overhead. The honest question is whether you need that overhead at all. Do You Actually Need to Run Your Own Solves? Most players below roughly NL500 do not need to run their own sims. Presolved libraries already cover standard cash, MTT, and spin spots with accurate solutions, and the practical edge at low and mid stakes comes from internalizing baselines, not from generating custom equilibria nobody else has. Use this framework before spending €450: You need your own solver (Pio, GTO+, or similar) if you: - Node-lock opponent mistakes to build exploitative counter-strategies, the workflow behind [GTO versus exploitative play](https://gtogecko.com/blog/gto-vs-exploitative) - Study non-standard games: unusual stack depths, straddled live games with odd rake, obscure lines - Produce coaching content or sell study packs and need full control over inputs - Play high stakes, where tiny custom edges actually pay for the time invested A presolved library and trainer covers you if you: - Want to know the right play in standard spots: open sizes, 3-bet defense, c-bet strategy, river bluffs - Learn better by drilling hands than by staring at frequency tables - Study in sessions under an hour, often on a phone or laptop - Play stakes where opponents are making basic errors a baseline strategy already punishes Be honest about which list describes you. A surprising number of €450 Pio licenses get used for two weeks, produce a handful of badly configured sims, and then sit idle while the owner still does not know their [preflop opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges) cold. The Best PioSolver Alternatives by Need There is no single best replacement, because Pio serves several jobs at once. Match the alternative to the job: presolved libraries for learning, cheap desktop solvers for DIY work, MonkerSolver for PLO, and native or browser tools for Mac. We compare the full market in our [best poker solvers](https://gtogecko.com/blog/best-poker-solvers) roundup; here are the highlights. Presolved Libraries: GTO Gecko and GTO Wizard If your goal is learning rather than research, a presolved library removes Pio's two biggest problems at once: setup work and hardware. Someone else already ran millions of solves on correct inputs. You browse, drill, and review. GTO Gecko is our tool, so judge this part accordingly, but the fit for ex-Pio shoppers is direct. You get a presolved library of preflop ranges and postflop solutions for Cash (including straddle and ante tables), MTT, and Spin & Go, plus true 3-way multiway postflop solutions, which remain rare in the market. A built-in on-device solver handles custom spots, so you keep a DIY escape hatch without buying a Windows PC. Three trainers (preflop, postflop, and full-hand) grade you with an ELO rating and re-serve the spots you misplay, and a machine-learning explanation layer tells you in plain English why the solver line is right instead of just showing frequencies. Pricing is $24.99/month for a single format or $149.99/year (about $12.50/month effective), and all-access across all three formats runs $39.99/month or $239.99/year. It runs on web, iOS, Android, and a native macOS app under one synced subscription, currently at 4.77 stars on Google Play and about 4.8 across App Store storefronts worldwide (August 2026) with 22,500+ players in 175 territories. The full feature set is covered in our [postflop solver features guide](https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide), and the preflop range library is open without a credit card: [browse the free preflop library on GTO Gecko](https://play.gtogecko.com/). GTO Wizard is the market leader and the most complete library available. The solution coverage is enormous, the AI solver handles custom spots in the cloud, and higher tiers add nodelocking and custom multiway solving. If you want maximum depth and budget is not a constraint, it is an excellent product. The catch is price: after the March 2026 restructuring, tiers run $49, $99, $169, and $279 per month as of June 2026, and the features that actually replace Pio (nodelocking, custom solving) live in the upper tiers. We break the tiers down in our [GTO Wizard pricing analysis](https://gtogecko.com/blog/gto-wizard-pricing) and compare it head-to-head in [GTO Gecko vs GTO Wizard](https://gtogecko.com/blog/gto-gecko-vs-gto-wizard). Cheaper DIY Solvers: GTO+ and TexasSolver If you genuinely need to run your own sims, you can pay far less than €450 for accuracy that matches Pio in standard postflop work. GTO+ costs $75 one-time as of June 2026, runs on Windows, and produces equilibria that independent tests have found essentially identical to Pio's on equivalent settings. The interface is dated and the ecosystem is smaller (fewer scripts, fewer tutorials, slower aggregation workflows), but for a solo player solving their own spots, it does 90% of what Pio Pro does at a sixth of the price. This is the obvious pick for the budget DIY crowd, though it shares Pio's platform limits, which is why we compare the [GTO+ alternatives](https://gtogecko.com/blog/gto-plus-alternatives) separately. If you want the drills rather than the solving, the same trade-off runs through our [Simple GTO Trainer alternatives](https://gtogecko.com/blog/simple-gto-trainer-alternatives) comparison. TexasSolver is free and open-source under AGPL-3.0, with builds for Windows, macOS, and Linux. Benchmarks on its GitHub page show results aligned with Pio on matched settings. The trade-off is polish: a rougher GUI, no support, and a setup process that assumes some technical comfort. As a zero-cost way to learn how solvers think, it is hard to argue with, and it pairs well with the other tools in our [free GTO resources guide](https://gtogecko.com/blog/free-gto-resources). For PLO: MonkerSolver Pio does not solve Omaha. MonkerSolver is the PLO and multiway standard at €499 one-time as of June 2026, and unlike Pio it runs natively on both Windows and macOS. A free edition limited to turn and river solves lets you test it first. It demands serious RAM for preflop work and shares Pio's DIY learning curve, but for PLO research there is no real substitute. If the hardware bill or the DIY workflow is the dealbreaker, our [MonkerSolver alternatives](https://gtogecko.com/blog/monkersolver-alternatives) guide compares the ways around both. If you want PLO training rather than PLO research, our sister app PLO Gecko (formerly PLO Edge) covers both 4-card and 5-card Omaha on iPhone, iPad, and Android: 31 training modules, solver-backed preflop ranges with exact frequencies and EV, per-decision EV-loss feedback, and full-hand PLO5 drills with native river solving on iPhone and iPad. It is a phone-first trainer rather than a desktop research lab, so treat it as a study companion instead of a MonkerSolver replacement. It is on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) and [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer), with a free tier of 25 training hands and 50 range lookups per day, and the full walkthrough is in our [PLO Gecko guide](https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide). For Mac Users: Native Apps and Browser Tools Mac players have the strongest case of all for skipping Pio, because every workaround costs money and performance. The clean options: GTO Gecko ships a native macOS app alongside its web app, so the full library, trainers, and on-device custom solver run on Apple silicon without virtualization. GTO Wizard runs fully in the browser. Lucid Poker (formerly Lucid GTO), the Doug Polk-backed trainer, has a free tier and a $49/month Pro plan (as of June 2026) across web, desktop, and mobile, though it has no PLO and has deprioritized ICM. And as noted above, MonkerSolver runs natively on macOS if you need DIY solving on a Mac. PioSolver Alternatives Compared All prices verified June 2026: Tool Price Platforms Best For PioSolver €450–€800 one-time Windows Pro-level custom research GTO Gecko From $149.99/yr Web, iOS, Android, macOS Library + trainers, Mac users GTO Wizard $49–$279/mo Browser Deepest library, big budgets GTO+ $75 one-time Windows Budget DIY solving TexasSolver Free, open-source Win, macOS, Linux Zero-cost DIY solving MonkerSolver €499 one-time Windows, macOS PLO and multiway research Lucid Poker Free; Pro $49/mo Web, desktop, mobile Polk-style NLHE training PioSolver vs GTO+: Is the Cheap Solver Good Enough? For most players who want to run their own postflop sims, yes. GTO+ at $75 produces the same equilibrium strategies as PioSolver on equivalent tree settings, and side-by-side tests have found their outputs nearly identical. The €375+ gap buys workflow, not accuracy. What Pio's extra money actually gets you: faster solves on big trees, a mature scripting and aggregation ecosystem for batch analysis across all flops, the preflop solver in the Edge edition, and broad compatibility with the training-site content built around Pio's file format. Coaches and content producers feel those advantages daily. A solo grinder solving a few spots per week mostly does not. The decision rule: if you will run scripted aggregation reports or preflop sims, pay for Pio. If you will solve individual postflop spots to check your lines, GTO+ is the better buy, and a presolved library may beat both. Our [GTO apps and platforms roundup](https://gtogecko.com/blog/best-gto-apps-platforms) covers where each option fits. PioSolver on Mac: What Are Your Options? There is no Mac version of PioSolver; it requires 64-bit Windows. On Apple silicon Macs your realistic options are running Windows in a Parallels virtual machine, renting a Windows cloud server, or choosing a tool with native Mac support. Boot Camp is not available on Apple silicon at all. Each workaround has costs. Parallels means buying the VM software plus a Windows license, and the virtualization layer eats CPU and RAM, the exact resources solvers are hungriest for. A Windows VPS dodges the hardware issue but adds a monthly bill and a remote-desktop workflow that gets old fast. Both routes can work, and some pros use them, but you are paying ongoing money and friction to run software that fights your operating system. The simpler path for most Mac players is software built for the platform: GTO Gecko's native macOS app for the library-plus-trainer route (with the on-device solver for custom spots), MonkerSolver if you need DIY or PLO solving on macOS, or any browser-based library. Your Mac stays a Mac, and your study tools open in two seconds instead of after a VM boot. PioSolver Alternatives FAQ What are the PioSolver editions and prices in 2026? As of June 2026, PioSolver sells two editions, both one-time purchases with one year of updates: Pro at €450 (postflop solver, up to 16 cores) and Edge at €800 (adds the preflop solver and supports up to 64 cores). The former Basic edition has been discontinued. Licenses cover two computers, and taxes are added at checkout. Does PioSolver run on Mac? No. PioSolver requires 64-bit Windows. Mac users run it through a Windows virtual machine such as Parallels or on a separate PC; Boot Camp is not an option on Apple silicon. If you want solver-quality study natively on a Mac, look at GTO Gecko's macOS app, MonkerSolver, or browser-based libraries instead. Is there a free version of PioSolver? PioSolver offers a free version with limited features for experimenting, but no trial of the full product. If you want free solver work with fewer restrictions, TexasSolver is fully open-source on Windows, macOS, and Linux, and MonkerSolver's free edition solves turn and river spots. Is GTO+ as accurate as PioSolver? For postflop solving, effectively yes. Both tools converge on Nash equilibrium, and independent comparisons on matched settings find their strategies and EVs almost identical. Pio earns its higher price with speed on large trees, scripting, aggregation reports, and the Edge preflop solver, not with better answers in individual spots. What is the easiest alternative to PioSolver? A presolved library with a built-in trainer. Tools like GTO Gecko and GTO Wizard skip tree building, hardware requirements, and aggregation scripting entirely: the solves already exist, and you study them through drills and browsable ranges. For most players below mid-stakes, that workflow turns solver output into actual in-game skill far faster than running sims. Is PioSolver worth it for low-stakes players? Usually not. At low stakes, the profitable work is mastering standard baselines: opening ranges, 3-bet defense, c-bet strategy, and [ICM adjustments](https://gtogecko.com/blog/icm-poker-strategy) if you play tournaments. Presolved libraries teach those faster and cheaper than DIY sims. Pio starts paying for itself when you need custom research, which mostly happens at higher stakes or in coaching work. The Bottom Line PioSolver earned its reputation, and for professional research it still delivers. But in 2026 it is a specialist's instrument: Windows-only, €450 minimum, and silent until you do the work of asking it precise questions. If that is your job description, buy it, or save money with GTO+ at $75. If your actual goal is playing better, flip the workflow. Study from a library where the solving is already done, drill until the patterns stick, and keep a custom solver in reserve for the rare spot the library does not cover. You can [start with GTO Gecko's free preflop ranges and daily trainer hands](https://play.gtogecko.com/) on web, mobile, or the native macOS app and see whether the presolved route covers everything you were about to buy a Windows PC for. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### PokerSnowie Review 2026: Still Worth It, or Has GTO Moved On? https://gtogecko.com/blog/pokersnowie-review PokerSnowie deserves respect. When it launched in June 2013, there was no PioSolver, no GTO Wizard, no solver-trained player pool. Snowie Games, the company behind BackgammonSnowie, pointed a self-learning neural network at No-Limit Hold'em and gave regular players their first taste of unexploitable poker. An entire generation learned to stop overvaluing weak top pair because Snowie said so. That was thirteen years ago. The question for this PokerSnowie review is not whether the software mattered. It did. The question is whether a pre-solver neural net still earns a spot in your study routine in 2026, when true solver outputs run on your phone for similar money. What Is PokerSnowie? PokerSnowie is an AI poker training tool built on a neural network that taught itself No-Limit Hold'em by playing trillions of hands against itself. You play practice hands against it, import real hands for analysis, and get an "Error Rate" score that measures how far your decisions stray from its advice. It runs on Windows, Mac, and mobile. The core loop is genuinely pleasant. Play hands, get instant feedback, watch your Error Rate drop. Scenario Evaluation lets you set up specific spots, and hand import grades your real sessions. Most of what modern trainers do, Snowie sketched first. But the engine underneath is fundamentally different from the tools that came after it, and that is where this review has to get critical. Is PokerSnowie a Solver? No. PokerSnowie is not a solver. A solver computes a Nash equilibrium for a specific spot by iterating until neither player can improve their EV. PokerSnowie is a neural network that learned general patterns through self-play and then estimates what to do in situations it resembles. It approximates; a solver calculates. The distinction matters in practice. When you run a spot through a real solver, you get the actual equilibrium strategy for that exact configuration of ranges, stacks, and bet sizes, with EVs attached to every action. You can check the math. When Snowie gives advice, you get its trained intuition, which is usually reasonable and sometimes wrong, with no way to audit it. PokerSnowie's own documentation is upfront about this: neural networks interpolate well between situations they trained on, and degrade when a spot drifts away from the training data. If you are new to the category, our guides on [what GTO poker actually means](https://gtogecko.com/blog/what-is-gto-poker) and [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) cover the foundations. Solvers became the standard of proof in poker study around 2015. Snowie predates that standard and never adopted it. Where Does PokerSnowie Deviate From Solver Outputs? Snowie's advice diverges from solver play in documented, structural ways: it picks from a small fixed menu of bet sizes, uses one size for its entire range, folds early-position hands that solvers open, and gives shaky advice against open-limpers. None of these are bugs. They are design constraints of a 2013 architecture. 1. A fixed menu of bet sizes Snowie chooses from four discrete sizings: 25%, 50%, 100%, and 200% of pot. The 25% option was added in a 2016 update; before that there were only three. Their own blog admits the gap, noting that a 75% pot option "would have been good" in retrospect. Modern solver outputs routinely use 33%, 66%, 75%, 125%, and 150% pot depending on the spot. Take a river where the button holds the nut advantage with A ♥ J ♥ on K ♠ 7 ♦ 3 ♣ 2 ♥ Q ♠ : solvers frequently fire 150% pot. Snowie cannot recommend that bet; its menu jumps from 100% straight to 200%. Study [overbetting strategy](https://gtogecko.com/blog/overbetting-strategy) with Snowie and you are studying a censored version of it. 2. One size for the whole range Snowie picks a single bet size for every hand it can hold in a given situation. The size depends on the board and stacks, never on its hole cards. Snowie frames this as a feature, since it leaks no sizing tells. But solvers show that splitting your range across sizings, with [polarized hands taking the big size](https://gtogecko.com/blog/polarized-vs-merged-ranges) and merged hands taking the small one, is worth real EV in many spots. Snowie's architecture cannot express that strategy at all. Our [bet sizing guide](https://gtogecko.com/blog/poker-bet-sizing-strategy) walks through what range-based sizing actually looks like. 3. Tighter early-position ranges than solvers From UTG and middle position, Snowie folds hands that appear in essentially every solver-derived chart. Forum threads have documented for years that it opens no suited connectors below T9s and no pocket pairs below 44 from early position, while solver ranges open hands like 7 ♠ 6 ♠ and pocket deuces at meaningful frequency, partly for board coverage on low flops. Compare its output to standard [GTO opening ranges by position](https://gtogecko.com/blog/preflop-charts-opening-ranges) and the gaps are visible immediately. 4. Weak advice against limpers Snowie learned by playing itself, and Snowie rarely open-limps. The result is a known blind spot: in the limp-heavy fields where its target audience actually plays, reviewers have flagged its advice as unrealistically tight. Self-play only covers lines the AI itself takes, and recreational opponents take plenty of lines it never trained against. How Much Does PokerSnowie Cost in 2026? As of June 2026, PokerSnowie sells one subscription: $29.90 per month billed monthly, or an annual plan advertised at $16.66 per month, which PokerSnowie labels a 44% saving. Prices exclude VAT for EU customers. The old Intermediate and Pro tiers are gone; everyone now gets the same feature set. That price lands in awkward territory. For comparable money you can get true solver libraries with trainers built on actual equilibrium outputs. Paying solver-adjacent prices for pre-solver technology is the hardest part of this review to get past. Is PokerSnowie Still Updated? Barely. The desktop product is still sold and supported, and the website says the team keeps developing it, but the visible evidence points the other way. The main PokerSnowie iOS app was last updated in July 2018 and sits at 2.4 stars on the App Store. The PokerSnowie Postflop mobile app last shipped an update in 2019. The last meaningful engine improvement anyone can point to is the 2016 update that added the 25% pot sizing. No public changelog shows the network retrained against the modern meta, while the field it competes in ships new solutions weekly. A training tool is advice frozen at the moment its model was trained, and Snowie's moment was a long time ago. Who Should Still Use PokerSnowie? PokerSnowie still suits casual players who want fast, simple feedback without studying theory. If you play small-stakes home games or low-limit online, the Error Rate loop will fix your biggest leaks: calling too much, overvaluing one pair, never folding. For that player, Snowie remains a gentle, well-designed coach. You have outgrown it the moment you start thinking in ranges. If you want to know why a spot is a 75% pot bet, how frequencies shift by position, or anything involving ICM, Snowie has no answers. It outputs advice, not strategy. Players studying [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) or [ICM spots in tournaments](https://gtogecko.com/blog/icm-poker-strategy) need solver-derived tools, full stop. Best PokerSnowie Alternatives in 2026 Three alternatives cover the realistic upgrade paths: GTO Gecko for solver-accurate training across formats at a mid-range price, GTO Wizard for the deepest feature set if budget is no object, and DTO if you want a cheap MTT-focused drilling app. All three are built on real solver outputs rather than neural-net estimates. Tool Best for Price (June 2026) GTO Gecko Solver-accurate study + training, all platforms $24.99/mo single format; $39.99/mo all-access GTO Wizard Maximum depth, pro budgets From $39/mo; higher tiers run into the low hundreds DTO Poker Budget MTT drilling Free tier; paid from $9.99/mo GTO Gecko is the most direct upgrade for a Snowie user: it keeps the play-and-get-graded training loop but grounds every answer in presolved solver outputs, including true 3-way multiway postflop solutions that almost no competitor offers. Three trainers (preflop, postflop, full-hand) track your ELO and re-serve the spots you misplay, and machine-learning explanations tell you in plain English why the solver action wins — the "why" Snowie never could provide. It covers Cash (including straddle and ante tables), MTT, and Spin & Go, with ICM-aware ranges in the Elite tiers, across web, iOS, Android, and native macOS on one synced subscription. Single-format access is $24.99/month ($149.99/year, about $12.50/month effective); all-access is $39.99/month ($239.99/year). You can [browse the free preflop range library on GTO Gecko](https://play.gtogecko.com/) and take daily free trainer hands without entering a card, so comparing its output against Snowie's costs nothing. GTO Wizard is the market leader and the right call if you want everything: an enormous solution library, an AI solver, nodelocking, and PLO support. The catch is price. After its March 2026 increase, plans start at $39/month and the tiers serious players actually want run well past $100/month. Our [GTO Wizard pricing breakdown](https://gtogecko.com/blog/gto-wizard-pricing) covers whether it is worth it for your stakes. DTO Poker is a trainer-first MTT app with a free tier and paid plans from $9.99/month, the cheapest legitimate solver-based drilling tool. Lower tiers gate EV-loss feedback and cash-game depth is thin. See our full [DTO Poker review](https://gtogecko.com/blog/dto-poker-review), and the wider field in our [guide to the best poker solvers](https://gtogecko.com/blog/best-poker-solvers). PokerSnowie vs GTO Wizard Not close on substance. GTO Wizard gives you auditable solver outputs, multiple bet sizes, frequencies, and EVs; Snowie gives you a single recommendation from a 2013-era network. Snowie wins on exactly two axes: a friendlier learning curve and a lower price than Wizard's mid tiers. If those are your constraints, a mid-priced solver-based tool covers both without giving up accuracy. PokerSnowie Review FAQ Is PokerSnowie a solver? No. PokerSnowie is a neural network trained through self-play. It estimates good decisions based on patterns it learned; it does not compute equilibrium solutions the way PioSolver, GTO Wizard, or GTO Gecko's solution libraries do. Its own documentation describes the approach as approximation rather than calculation. Is PokerSnowie still updated? The desktop software is still sold, but visible development has largely stalled. The main iOS app was last updated in July 2018, the Postflop mobile app in 2019, and the last notable engine change was the 2016 bet-sizing update. There is no public evidence of recent retraining. Is PokerSnowie accurate? Roughly, yes; precisely, no. Its advice lands near solver play in common spots but deviates in documented ways: a four-size betting menu, one size for its whole range, early-position ranges tighter than solver charts, and weak adjustments against limpers. Fine for broad-strokes leak fixing, not for exact study. How much does PokerSnowie cost? As of June 2026, $29.90 per month billed monthly, or an annual plan advertised at $16.66 per month (about 44% less), excluding VAT. There is now a single feature tier rather than the old Intermediate and Pro split. Is PokerSnowie good for beginners? Genuinely decent. The play-and-grade loop is simple, the Error Rate metric is motivating, and its advice fixes the loose-passive leaks that cost new players the most. Just know the tools you graduate to will sometimes contradict it, and the solver is the one that is right. What is the best PokerSnowie alternative? For most players, a solver-based trainer in the same price bracket. GTO Gecko offers solver-accurate preflop and postflop training with explanations from $24.99/month, GTO Wizard offers the deepest feature set from $39/month, and DTO covers budget MTT drilling from $9.99/month. Verdict: Respect the Pioneer, Study With a Solver PokerSnowie earns a 6/10 in 2026, and most of those points are for the product it was rather than the product it is. The training loop is still pleasant, but the price is no longer cheap relative to solver-based tools, and the engine's deviations from equilibrium play are too well documented to ignore. If you are deciding where your study money goes this year, start where the answers are checkable. [Try GTO Gecko's free preflop ranges and daily trainer hands](https://play.gtogecko.com/), run the same spots you would ask Snowie about, and compare the advice side by side. The difference between an approximation and a solution becomes obvious fast. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Preflop Charts: GTO Opening Ranges by Position https://gtogecko.com/blog/preflop-charts-opening-ranges A solid preflop strategy is the foundation of every winning poker player's game. Without a clear poker preflop chart guiding your decisions, you are making expensive guesses every hand. The good news: modern solvers have mapped out exactly which hands to open from every position. This guide gives you those [GTO opening ranges](https://gtogecko.com/blog/preflop-charts-opening-ranges), explains how to read them, and shows you how to adapt them to different game formats. What Are Preflop Charts? A preflop chart is a visual reference that tells you which hands to play and how to play them before the flop, based on your [position at the table](https://gtogecko.com/blog/poker-position-strategy). The most common format is a 13x13 grid (called a range matrix) that maps every possible two-card starting hand combination. These charts are derived from [game theory optimal (GTO) solutions](https://gtogecko.com/blog/what-is-gto-poker), meaning they represent the mathematically balanced strategy that cannot be exploited. When you follow a GTO preflop chart, you ensure your opening ranges are neither too tight nor too loose from any seat. Preflop charts typically show you three pieces of information: - Which hands to raise: Your open-raising range from each position - Which hands to fold: Everything outside the raising range - Mixed-frequency hands: Hands that are sometimes raised and sometimes folded, shown as partial shading or percentages Learning these charts well enough to use them automatically is where the real edge is. Folding one bad hand preflop does not matter much. Folding it correctly across thousands of hands adds up fast. One warning before you start memorizing: check that your chart set is complete. Charts that only cover raise-first-in from a few positions leave you guessing in the spots that decide sessions, like facing a 3-bet or defending the blinds at 40bb. A usable set covers every position, multiple stack depths, and your responses to raises, not just your opens. 6-Max GTO Opening Ranges by Position The ranges below are for a standard 100bb 6-max cash game when the action folds to you. The short version: UTG opens roughly 18% of hands, the Hijack 22%, the Cutoff 28%, the Button 43%, and the Small Blind plays around 40-48% through a mix of raises and limps. Each step closer to the Button adds hands. Open sizing is not uniform either. Many solver libraries use smaller opens of 2-2.5x from early and middle position and go up to 3x from the Button and Small Blind, where you are attacking the blinds directly. The hand compositions below stay broadly stable across those sizings, so learn the ranges first and fine-tune the sizing to your game. UTG (Under the Gun) - ~18% of Hands UTG is the tightest position because five players still act behind you. You need hands strong enough to withstand [3-bets](https://gtogecko.com/blog/what-is-a-3-bet) and play profitably out of position against late-position callers. UTG Opening Range - Pairs: 22+ - Suited broadway: A2s+, K9s+, Q9s+, J9s+, T9s - Offsuit broadway: ATo+, KJo+, QJo - Suited connectors: 87s, 76s, 65s Notice the emphasis on high-card strength. Hands like A ♠ 5 ♠ make the cut because of their nut flush potential and wheel straight draws, but A ♦ 8 ♣ offsuit does not. From UTG, suitedness matters enormously because it adds roughly 3-4% equity to your hand. HJ (Hijack) - ~22% of Hands With one fewer player behind you, the Hijack can open a few more hands than UTG. The additions are mostly suited hands and some weaker offsuit broadways. HJ Additions Over UTG - Suited: K8s, Q8s, J8s, T8s, 97s, 86s, 75s, 54s - Offsuit: ATo (full frequency now), KTo, QTo The Hijack is where your range starts to include more speculative suited hands. Cards like 9 ♥ 7 ♥ and 8 ♦ 6 ♦ play well postflop when they connect, and there are fewer players left to wake up with a premium hand. CO (Cutoff) - ~28% of Hands The Cutoff is a powerful stealing position. Only the Button and blinds remain, and you will have position postflop against the blinds if they call. CO Additions Over HJ - Suited: K7s-K5s, Q7s, J7s, 64s, 53s - Offsuit: A9o-A8o, KTo (full frequency), QTo (full frequency), J9o, T9o From the Cutoff, you are opening almost every suited ace, most suited kings, and a wide array of suited connectors and one-gappers. Offsuit hands expand to include more ace-x and broadway combinations. This is where many players are still too tight; if you are folding A ♣ 8 ♥ offsuit from the Cutoff, you are leaving money on the table. BTN (Button) - ~43% of Hands The Button is the most profitable seat in poker. You act last on every postflop street, and only two players (the blinds) remain to contest the pot. Solver solutions show a wide open-raising range here. BTN Opening Range Highlights - All pairs: 22+ - All suited aces: A2s+ - Suited kings: K2s+ - Suited queens: Q2s+ - Suited jacks: J4s+ - Suited connectors: Down to 43s - Offsuit broadway: A2o+, K5o+, Q8o+, J8o+, T8o+, 98o From the Button, you are raising nearly half of all hands dealt to you. Hands like Q ♠ 4 ♠ and 5 ♥ 4 ♥ are standard opens. The combination of positional advantage and only needing to get through two opponents makes this range highly profitable. If you are only opening 25-30% from the Button, you are playing far too tight. Button vs Big Blind is the single most common heads-up matchup in 6-max, which makes it the highest-value preflop battle to study. Your wide Button range carries through to postflop, where frequent small continuation bets pressure the Big Blind's capped calling range. SB (Small Blind) - ~40% Open-Raise or ~48% Total (Including Limp) The Small Blind is unique. When action folds to you, you are in a heads-up pot against the Big Blind. Modern solvers recommend a strategy that mixes open-raising with some limping (completing the small blind). SB vs BB Strategy - Raise to 3x: Strong hands you want to build a pot with (premium pairs, strong aces, suited broadways) and polarized bluffs - Limp: Medium-strength suited hands that play better in a smaller pot (suited connectors, weak suited aces, small pairs) - Fold: The worst offsuit hands with poor postflop playability A common mistake from the SB is raising too small or limping too much. When you do raise, use a larger sizing (3x) to deny the Big Blind favorable pot odds. Your raising range should be polarized: strong hands for value and weaker hands with good playability as bluffs. Hands in the middle, such as 8 ♦ 6 ♦ or 5 ♣ 4 ♣ , often work best as limps because they play poorly in inflated pots out of position. BB (Big Blind) - Defense, Not Opening The Big Blind does not have an opening range in the traditional sense. Instead, you are defending against raises from other positions. Your defense frequency depends on who opened and from where: - vs SB raise: Defend ~65-70% (3-bet or call). You are getting excellent pot odds and only one player to beat. - vs BTN raise: Defend ~45-50%. Wide range, but you are out of position. - vs CO raise: Defend ~38-42%. Tighter since their range is stronger. - vs HJ/UTG raise: Defend ~28-35%. Early position opens are tight, so you need stronger hands to continue. Your defense includes both calling and 3-betting. A balanced BB defense uses 3-bets with premiums and select bluffs, while calling with hands that have good postflop equity but are not strong enough to 3-bet. For more on leveraging 3-bets as the big blind facing a raise and a call, see our guide on [squeeze play strategy](https://gtogecko.com/blog/squeeze-play-strategy). How to Read a Range Matrix A range matrix is the standard 13x13 grid used to display all 169 unique starting hand combinations. Pocket pairs run down the diagonal, suited hands sit above it, and offsuit hands sit below it, with colors marking each action. Understanding this grid is essential for working with any poker preflop chart. Grid Layout The matrix works as follows: - Diagonal (top-left to bottom-right): Pocket pairs (AA, KK, QQ, ... 22) - Above the diagonal: Suited hands. For example, AKs is in the row for A, column for K, above the diagonal. - Below the diagonal: Offsuit hands. AKo is in the row for K, column for A, below the diagonal. Color Coding Most range charts use color to indicate actions: - Green or blue: Raise (open-raise or 3-bet) - Yellow or orange: Call - Red or gray: Fold - Mixed colors or gradients: Hands played with mixed frequencies (e.g., raise 60%, fold 40%) Suited vs Offsuit: Why It Matters You will notice that suited hands appear in ranges far more often than their offsuit counterparts. There are two reasons for this: Suited vs Offsuit: K9 Example - K ♠ 9 ♠ (suited): Opens from UTG in most solver solutions. Has flush potential, which adds ~3-4% equity and better nut potential. - K ♠ 9 ♥ (offsuit): Folds from UTG. Without flush draws, the hand is too weak to play profitably out of position against five opponents. Understanding [combo counting](https://gtogecko.com/blog/combo-counting) also helps here: there are 4 suited combos of any non-pair hand (one per suit) but 12 offsuit combos. This means offsuit hands make up a larger portion of your range by raw hand count, even when fewer offsuit hand types are included. Mixed Frequencies Solvers rarely use pure strategies for every hand. Borderline hands are often played with mixed frequencies. For example, a solver might say "open K ♥ 7 ♥ from the HJ 65% of the time and fold 35%." In practice, most players simplify these to pure actions: open it if your table is passive, fold it if aggressive players are behind you. Adjusting Preflop Ranges for Different Formats The 6-max cash game ranges above are the baseline. Different formats require specific adjustments. Cash Games (Full Ring / 9-Max) At a 9-handed table, UTG is significantly tighter because there are eight players behind you instead of five. Full ring adjustments include: - UTG opens ~12-13% instead of 18% - Middle positions (MP, LJ) exist as intermediate positions opening roughly 15-20% - Button and Cutoff ranges remain similar to 6-max - Blind defense tightens slightly because early position opens carry more strength Tournament Play Tournament ranges shift based on stack depth and ICM pressure: - Deep stacked (60bb+): Play close to cash game ranges. Speculative suited connectors and small pairs gain value for their implied odds. - Medium stacked (25-60bb): Tighten speculative hands; focus on high-card strength. Suited connectors lose value without deep implied odds. - Short stacked (15-25bb): Switch to a push/fold or raise/fold strategy. Preflop charts for this stack depth look very different, with hands ranked primarily by raw equity. - ICM spots (bubble, final table): Tighten significantly from early positions but widen stealing ranges from late position against medium stacks who cannot afford to call. Short-Handed and Heads-Up In short-handed formats (3-4 players) and heads-up play, ranges expand dramatically: - Heads-up Button: Opens 70-85% of hands. Almost any two cards have enough equity to raise. - 3-handed: The "UTG" position opens approximately 30-35%, closer to a 6-max Cutoff range. - 4-handed: Ranges fall between 6-max and 3-handed adjustments. The key principle: fewer opponents means wider ranges across all positions. Every player removed from the table adds hands to your opening range. How Do MTT Preflop Ranges Differ From Cash Games? MTT preflop ranges are wider and use smaller raises than cash game ranges. Antes add dead money that justifies opening roughly 3-5% more hands per position, usually for 2-2.3x instead of 2.5-3x. But shallower stacks cut speculative hands, and ICM pressure tightens calling ranges near pay jumps. Cash ranges stay fixed at 100bb with none of that. Factor 100bb Cash MTT Antes Rare Standard from early-mid stages Typical open size 2.5x-3x 2x-2.3x Stack depth Constant 100bb Mostly 15-40bb Chip value Linear (chips = money) Non-linear (ICM) Speculative hands Strong (deep implied odds) Weaker as stacks shrink Antes are the biggest structural difference. With a big blind ante in the pot, every steal attempt targets roughly 2.5bb of dead money instead of 1.5bb, so opens that lose money in a cash game become clearly profitable. The Big Blind responds in kind: against a min-raise with antes, defending over 60% of hands is standard because the pot odds are so good. Stack depth pulls the other way. At 25bb, hands like 5 ♥ 4 ♥ and small pairs lose most of their implied odds, while high-card offsuit hands like KJo and A9o gain value because they dominate the wider ranges in play. Below 15bb, much of your chart collapses into jam-or-fold decisions, which is its own study area; our [short-stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers it in depth. Then there is ICM. In a tournament, chips you lose are worth more than chips you win, so [ICM pressure](https://gtogecko.com/blog/icm-poker-strategy) tightens your calling ranges against all-ins and widens your shoving ranges against medium stacks that cannot afford to call. The effect peaks on the bubble and at [final tables](https://gtogecko.com/blog/final-table-icm-strategy), where a chip-EV chart can be badly wrong. GTO Gecko's Elite tiers include ICM-aware MTT ranges plus a range-compare view, so you can see exactly where the chip-EV and ICM charts split for the same spot. Common Preflop Mistakes Even experienced players make systematic preflop errors. Here are the five most costly ones and how to fix them. - Playing the same range from every position. This is the most fundamental error. A hand like K ♦ T ♣ offsuit is a clear fold from UTG but a standard open from the Cutoff. If you do not adjust by position, you are bleeding money from early seats and leaving it on the table from late seats. Study [position strategy](https://gtogecko.com/blog/poker-position-strategy) until adjusting feels automatic. - Opening too tight from the Button. Many players treat the Button like a middle position, opening only 25-30% of hands. The solver says 43%. That gap represents a massive amount of lost profit from blind stealing and postflop positional advantage. Force yourself to open wider and track the results. - Ignoring suited vs offsuit distinctions. Players who open K9o from UTG because they "would open K9s" are confusing two very different hands. Suitedness changes your equity, your nut potential, and your postflop playability. Treat suited and offsuit as separate hands. - Defending the Big Blind too loosely or too tightly. Some players call every raise from the BB because of pot odds; others fold everything but premiums. Both extremes lose money. Your defense frequency should vary based on the opener's position. Against a UTG raise, folding 65-70% is correct. Against a Button raise, folding more than 55% is too much. - Not adjusting to table dynamics. GTO charts are a baseline, not a prison. If the player to your left 3-bets 15% of hands, tighten your opening range from the positions they attack. If the blinds fold 80% of the time, widen your steals. Use the chart as your starting point, then [adjust based on your opponents' ranges](https://gtogecko.com/blog/understanding-ranges-in-poker). Preflop Chart FAQ What percentage of hands should you play preflop? Around 20-25% of all hands dealt in a 6-max cash game, but the number varies sharply by seat: roughly 18% from UTG, 22% from the Hijack, 28% from the Cutoff, 43% from the Button, and 40-48% from the Small Blind. Playing one fixed percentage from every position is a leak, not a style. Are preflop charts allowed when playing online poker? Rules differ by site. PokerStars permits some limited basic reference material under defined conditions, while GGPoker's published policy says charts of any kind are prohibited during play. Check the current house policy and keep your study separate from active play. Our guide to [poker solvers and real-time assistance](https://gtogecko.com/blog/are-poker-solvers-allowed-rta) compares both policies and explains the safer boundary. Should I memorize an entire preflop chart? You do not need to memorize every cell perfectly. Focus on learning the approximate percentage of hands you open from each position (e.g., 18% UTG, 28% CO, 43% BTN) and the general categories of hands included. With practice, the borderline decisions become intuitive. Tools like GTO Gecko let you drill these ranges interactively until they stick. Are preflop charts the same for all stakes? The GTO baseline is the same regardless of stakes. However, at lower stakes where opponents make more mistakes, you can profitably deviate. For instance, you might tighten up from early position at a loose-passive table (where you will get called by multiple players) and widen from late position against players who fold their blinds too often. The chart gives you the optimal baseline; exploitative adjustments come on top. How do preflop charts change with different stack sizes? At 100bb (the standard for most cash games), the charts in this article apply directly. As stacks get shorter, speculative hands like small pairs and suited connectors lose value because you cannot win large enough pots postflop to justify the preflop investment. At 20-30bb, your strategy shifts toward jamming or folding with a range based primarily on raw hand equity rather than playability. Where can I practice with accurate GTO preflop ranges? The most effective way to internalize ranges is through repetition against solver-derived solutions. You can [browse GTO Gecko's complete preflop range library free](https://play.gtogecko.com/) — every position, stack depth, and pot type across Cash, MTT, and Spin & Go, with no credit card required — then drill those same spots in the trainer to see exactly where your decisions deviate. The [preflop trainer guide](https://gtogecko.com/blog/preflop-trainer-guide) gives you a focused 15-minute routine, while the [poker solver guide](https://gtogecko.com/blog/how-to-use-poker-solver) covers custom scenarios. Build Your Preflop Foundation A strong preflop game is non-negotiable for anyone serious about poker. The ranges in this guide give you a solver-approved framework for every position at a 6-max table. But reading about ranges and actually playing them correctly under pressure are two different things. The path to preflop mastery is straightforward: study the charts, practice them in low-stress environments, review your sessions to catch leaks, and repeat. Pay special attention to the positions where you deviate most from GTO, those are where your biggest gains hide. If you want to accelerate that process, [open the preflop trainer on GTO Gecko](https://play.gtogecko.com/) and drill the exact ranges from this guide. The trainer tracks your accuracy by position, re-serves the spots you misplay, and pairs every range with full postflop solutions so you can check your work past the flop too. Your preflop decisions set the stage for everything that follows. Get them right, and the rest of your game improves by default. ### Spin & Go Strategy: The GTO Game Plan for 25bb 3-Max (2026) https://gtogecko.com/blog/spin-and-go-strategy A Spin & Go compresses an entire poker tournament into about five minutes: three players, 25 big blind stacks, a randomly drawn prize multiplier, and blinds that climb every few minutes. The wrapper looks like a slot machine. The game underneath is one of the most solvable formats in poker, and the players who treat it as a math problem steadily collect from the ones who treat it as a lottery ticket. This guide lays out the solver-derived game plan: opening ranges for all three positions at 25bb, the small blind limping strategy, push/fold thresholds when stacks shrink, the heads-up endgame, why standard spins are ICM-free, and the population leaks that pad your ROI. What Makes Spin & Go Strategy Different? A Spin & Go is a 3-handed hyper-turbo sit & go: 25bb starting stacks, blind levels lasting only a few minutes, and a randomly assigned prize pool that is winner-take-all in the vast majority of games. That structure demands wider ranges, shallow-stack precision, and pure chip-value decision making. Winamax got there first, launching the format as Expresso in 2013; PokerStars followed in 2014 with the name that stuck. Each room has its own label for it: Expresso on Winamax, Spin & Gold on GGPoker and Natural8, Twister on iPoker, Blast on 888. The strategy in this article applies to all of them, because the blueprint is identical. Three structural facts drive every decision you make in a spin: - It is 3-handed. You pay a blind in two of every three hands, so sitting back and waiting for premiums bleeds you out. Sound 3-handed poker strategy means opening ranges that would look reckless at a full table. - Stacks start at 25bb and only get shorter. There is no deep-stacked poker in this format. Every hand lives in the shallow zone where preflop decisions dominate. - Standard spins are winner-take-all. No payout ladder means no ICM. A chip won is worth exactly a chip, which simplifies the math enormously. Why Does Preflop Decide Most of Your Spin & Go Winrate? Because stacks start at 25bb and shrink every level, most of the chips that change hands in a spin move during preflop raise, 3-bet, and jam decisions. Solver work and winning-reg consensus agree: the large majority of your edge in this format is built before the flop. The math of shallow stacks explains why. After a min-raise and a call at 25bb, the stack-to-pot ratio is already low enough that most postflop trees resolve in one or two bets. By the mid-game, a big share of pots are decided by an all-in before any flop appears. There are no four-street deep-stacked battles where postflop wizardry can rescue a bad preflop foundation. This is also what makes spins so learnable. Spin and go preflop ranges are compact: three positions, a handful of stack-depth bands, and far fewer decision nodes than a [100bb 6-max preflop chart](https://gtogecko.com/blog/preflop-charts-opening-ranges). A motivated player can genuinely internalize the whole preflop tree, which is not realistic for deeper formats. Postflop still matters, especially in limped pots and the heads-up phase. But the order of operations is clear: nail the charts first, then refine postflop. The reverse order does not work. 25bb 3-Max Opening Strategy by Position At 25bb, the Button min-raises roughly 40% of hands, the Small Blind plays a mixed raise-and-limp strategy blind-vs-blind, and the Big Blind defends very wide against min-raises, folding only the bottom third or so of its range. Each seat has a distinct job. Button: Min-Raise Around 40% The Button acts first preflop but last on every postflop street, making it the most profitable seat at the table. The standard open is a min-raise to 2bb: it risks the minimum, keeps your range wide, and still pressures both blinds. [Position](https://gtogecko.com/blog/poker-position-strategy) does the rest of the work. Approximate BTN Opening Range at 25bb (3-Max) - All pairs: 22+ - All suited aces: A2s+ - Suited kings and queens: K4s+, Q6s+ - Suited connectors and gappers: J7s+, T7s+, 97s+, 86s+, 75s+, 65s - Offsuit: A2o+ (low aces at mixed frequency), K8o+, Q9o+, J9o+, T9o A hand like K ♦ 7 ♦ is a standard open here; K ♠ 7 ♥ offsuit is a fold or a low-frequency mix. If you are folding the Button more than about 60% of the time, you are giving away the best seat in the game. Small Blind: The Raise-or-Limp Seat When the Button folds, the Small Blind plays blind-vs-blind, and here is the detail many players miss: in 3-handed play the SB acts first on every postflop street. Unlike true heads-up, where the small blind has the button, this SB is out of position. That positional handicap is why solvers keep a limp in the SB strategy all the way down to the push/fold zone. The solver's SB strategy at 25bb splits into three buckets: - Raise to about 3x with a [somewhat polarized range](https://gtogecko.com/blog/polarized-vs-merged-ranges): premium pairs and broadways for value, plus low suited aces and similar hands as the bluff end. A ♦ K ♣ and A ♥ 4 ♥ both raise; they just have different plans against a 3-bet. - Limp a wide, merged middle: hands like 9 ♠ 7 ♠ , K ♣ 4 ♣ , and Q ♥ 8 ♦ that want to see a cheap flop out of position. Solvers also limp a slice of monsters, including the occasional A ♠ A ♣ , so the limping range cannot be attacked for free. - Fold the bottom third or so: the worst offsuit junk has no profitable line out of position, even against a single opponent. Big Blind: Defend Wide, 3-Bet With Teeth Facing a Button min-raise, the Big Blind needs only about 22% raw equity to continue: you call 1bb more into a 3.5bb pot. Almost every playable hand clears that bar. Solvers defend roughly 65-70% of all hands here, so a hand as modest as J ♣ 6 ♣ or Q ♥ 6 ♥ is a routine call. The BB also [3-bets](https://gtogecko.com/blog/what-is-a-3-bet) around 10-14% at 25bb: a raise to roughly 6bb with the value core (strong pairs, AK, AQ) plus suited-ace bluffs that block premium hands. As effective stacks dip toward 18bb and below, more of that 3-betting range converts into outright jams. Against a Small Blind limp, attack. Raise to 3-4bb with a wide range, because most population limping ranges are far weaker than the solver's. Checking back your option with every playable hand is one of the most common BB leaks in the format. When Should You Limp in a Spin & Go? Limp mainly from the Small Blind blind-vs-blind, at every depth down to the push/fold zone, because you act first on every postflop street. As stacks fall toward 10bb, the limp becomes a limp-jam weapon. Button limping appears in some shallow solver sims, but raise-or-fold remains the simpler, near-zero-loss baseline there. If you learned poker on "never open-limp" dogma, spins will rewire you. That rule comes from deep-stacked full-ring games where limping invites multiway pots against ranges that crush you. Blind-vs-blind at 25bb, out of position, with one opponent, the calculus flips: a limp keeps the pot small with the hands that want a small pot. Two practical rules keep your limping range honest: - Keep it merged, not capped. If you limp only weak hands and raise everything good, observant opponents will iso-raise you relentlessly. Mixing in some strong hands, even occasional aces, makes the strategy defensible. - Scale toward limp-jam as stacks drop. At 8-10bb, limping A ♥ 3 ♥ in the SB with the plan of jamming over a raise is a standard solver line. The limp looks weak, invites an attack, and then takes the pot uncontested or gets the stack in with fold equity already banked. When Do You Switch to Push/Fold? Below roughly 10bb effective, open-jamming becomes the Button's primary tool; the Small Blind moves to limp-or-jam around the same depth; and under 7bb nearly the whole game is push/fold. Between 11 and 15bb you mix min-raises with jams from hands that block calls or play poorly postflop. Effective stack Button game plan Small Blind game plan (vs BB) 16-25bb Min-raise ~40%, mostly raise-fold Mix of ~3x raises and wide limps 11-15bb Min-raise core; open-jam suited aces, mid pairs Limp share grows; 3-bets become jams 7-10bb Jam-heavy, roughly a third of hands Limp-jam or open-jam; almost no raise-fold Under 7bb Pure push/fold Pure push/fold, very wide jams At 8bb on the Button, hands like K ♥ 9 ♥ , 4 ♦ 4 ♣ , and A ♣ 2 ♣ are clear jams, while J ♠ 4 ♦ is still a fold. One warning: do not recycle heads-up push charts in 3-handed spots. With two players left to wake up behind you, the 3-max Button jams meaningfully tighter than a heads-up small blind at the same depth. The deeper framework for these decisions, including calling ranges against jams, is covered in our [short-stack strategy guide](https://gtogecko.com/blog/short-stack-strategy). Spins are essentially that article played on a loop. How Does Strategy Change When It Gets Heads-Up? Heads-up flips position. The small blind now holds the button and acts last postflop, turning the seat that limped defensively 3-handed into the table's aggressor. At typical heads-up depths of 10-20bb, the button attacks most hands, and below about 8bb the game becomes wide Nash-style push/fold. By the time a spin reaches heads-up, the escalating blinds have usually left both stacks at 20bb or less, so the endgame is short and violent. From the button, min-raise or limp 70-80% of hands at 15-20bb. From the big blind, defend around 70% against a min-raise; you only need about 25% equity to call. Once stacks fall under 8bb, jam wide and without apology. At 7bb, a hand as thin as 7 ♠ 6 ♠ is a profitable button shove against an equilibrium caller, and most opponents call far tighter than equilibrium. Hesitation here, not looseness, is the expensive mistake. Heads-up is also where [range thinking](https://gtogecko.com/blog/understanding-ranges-in-poker) earns its keep postflop: with ranges this wide, ace-high is frequently a value hand and second pair is often the effective nuts. Players who carry full-ring hand-strength instincts into the HU phase fold the best hand constantly. Do You Need ICM in Spin & Gos? No, not in standard spins. Winner-take-all payouts mean every chip is worth exactly its share of the prize, so chip EV and dollar EV are identical. You call jams at raw pot odds, with no survival premium. Only the rare top multipliers that pay second and third places add mild ICM pressure. This is liberating once it clicks. Say you are in the big blind at 10bb effective and the Button open-jams a range of about a third of hands. You hold A ♦ 7 ♦ : calling risks 9bb to win 11.5bb, so you need roughly 44% equity. Against that jamming range, A7 suited is above 50%, comfortably clear of the 44% you need. In a spin, this is a snap call. In an [ICM format](https://gtogecko.com/blog/icm-poker-strategy) like a satellite or a final table, the same spot can flip to a fold. Run the numbers yourself with the framework from our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math); in spins, the pot odds are the whole answer. The jackpot caveat is real but small. When a rare high multiplier hits and the structure pays all three places, marginal all-in spots tighten a touch, because busting third now costs real money. These games are a tiny fraction of your volume. Do not let them distort the chipEV baseline you apply to the other 99%. Which Population Leaks Should You Attack? The biggest exploitable leaks in spins pools: big blinds overfold to min-raises, small blinds limp transparently weak ranges, almost nobody 3-bets enough at 20bb+, regs miss the switch to push/fold, and the heads-up phase is played far too tight. Each one has a direct counter. - Big blinds overfold to min-raises. Recreational players fold 50-60% of hands to a 2bb open when the solver folds about 30%. Against them, min-raise the Button relentlessly; any two cards print against a blind that folds too much. And do not become the leak yourself: defend that J ♣ 6 ♣ . - Limps mean weakness. At low and mid stakes, most small blind limping ranges contain no traps at all. Iso-raise from the big blind with a wide range and barrel favorable flops. Until someone shows you a limped monster, assume there isn't one. - Pools under-3-bet at 20bb+. When a typical opponent does 3-bet, the range is heavily weighted to premiums. The counter is straightforward: fold the bottom of your opening range to 3-bets more often than equilibrium suggests, and give jams from passive players real credit. - Regs miss the gear change. Plenty of players keep min-raise-folding at 7bb, which is lighting chips on fire, or never convert the SB into a limp-jam machine. Track effective stacks every hand and shift gears on time; the table in this article is the schedule. - Heads-up passivity. Most opponents open too tight on the button and fold too much in the big blind once it gets heads-up. Apply maximum pressure: open everything reasonable, jam on schedule, and force them to make the big call they have been avoiding their whole session. How to Train Spin & Go Ranges Reading charts is step one; the edge comes from drilling them until the borderline hands are automatic at 30 seconds per decision. Spins punish hesitation, and they reward players who have already seen every spot a thousand times before it appears with money behind it. GTO Gecko has a dedicated Spin & Go library: [GTO](https://gtogecko.com/blog/what-is-gto-poker) preflop ranges and postflop solutions solved chipEV with equal stacks, which matches the structure of the standard spins you actually play. Because the format is 3-handed, true 3-way postflop solutions matter here more than anywhere else, and GTO Gecko is one of the few platforms that solves multiway pots properly rather than approximating them from heads-up trees. Trainers for preflop, postflop, and full hands track your ELO and adaptively re-serve the spots you misplay, and the built-in explainability tells you in plain English why the solver picks each action. You can test the format before paying: [GTO Gecko](https://play.gtogecko.com/) is free to download, and the free tier serves three trainer hands and three preflop solver actions every day, no credit card required. If you commit to the format, Spin & Go access as a single format runs $24.99/month or $149.99/year (about $12.50/month effective), and one subscription covers web, iOS, Android, and native macOS with synced progress. Spin & Go Strategy FAQ Are Spin & Gos still beatable in 2026? Yes, particularly at low and mid stakes. The lottery-style multiplier keeps attracting recreational players, which keeps the pools soft relative to regular sit & gos. The winning profile is unglamorous: tight-aggressive preflop charts, on-time push/fold transitions, and a competent heads-up game. Rake is the main headwind, so compare structures across sites before committing volume. What is a good ROI in Spin & Gos? Sustained single-digit ROI is strong in this format; the hyper-turbo structure caps how large any edge can get. Rakeback and rewards programs typically make up a meaningful share of a spins regular's bottom line, so factor them into site selection. Expect brutal short-term variance either way, since the multiplier adds a jackpot element on top of normal poker swings. What hands should you play in a Spin and Go? At 25bb: min-raise roughly 40% of hands on the Button, split the Small Blind between 3x raises and wide limps, and defend about 65-70% of hands from the Big Blind against a min-raise. As stacks shorten, fold the bottom of those ranges and convert the rest into jams. Suited and connected hands rise in value; weak offsuit hands fall away first. How many buy-ins do you need for Spin & Gos? Most serious spins players keep 100-200 buy-ins or more, noticeably deeper than classic sit & go guidelines, because the multiplier distribution concentrates a chunk of long-term profit into rare high-multiplier games. If your sample has not hit one yet, your results will run below true EV. Our [bankroll management guide](https://gtogecko.com/blog/bankroll-management-for-pros) covers how to size and adjust a roll properly. Is there ICM in Spin and Gos? Standard spins are winner-take-all, so there is no ICM: chip EV equals dollar EV and every decision reduces to pot odds and equity. The exception is the rare top-multiplier games that pay second and third, where a mild survival premium tightens marginal all-in spots. For everything else, play pure chipEV poker. The Five-Minute Format Rewards Preparation Spins strip poker down to its preflop core: three seats, shallow stacks, and the same compact decision tree repeated hundreds of times a session. That repetition is exactly why prepared players win. Your opponent improvising in the moment is competing against your memorized, solver-checked answer to a spot you have drilled all week. Learn the 25bb charts by position, respect the small blind limp, switch to push/fold on schedule, and attack the heads-up phase. Then put in the reps: [drill Spin & Go spots in the GTO Gecko trainer](https://play.gtogecko.com/) until the close decisions feel boring. Boring is what winning looks like in this format. Spin & Go, Spin & Gold, Twister, Blast, and Expresso are trademarks of their respective operators and are used for identification only. ### Poker Ranges Explained: How to Read & Build Like a Solver https://gtogecko.com/blog/understanding-ranges-in-poker You will never know your opponent's exact two cards. Strong players gave up on that guessing game years ago. Instead, they assign each opponent a range: the complete set of hands that player can hold given every action taken so far. Then they pick the line that performs best against that entire set, not against one imagined holding. This guide walks through the whole skill, from reading a poker range chart cell by cell to comparing range vs range on the flop. By the end you will know why AKo is three times as likely as AKs, why some boards belong to the preflop raiser, and how to drill range thinking until it runs on autopilot. What Is a Poker Range? A poker range is the full collection of hands a player can hold in a specific spot, based on everything they have done in the hand. Instead of putting an opponent on one hand, you assign them every hand consistent with their actions, then weigh your decision against that whole distribution. Ranges start wide and narrow with every action. Before the cards are dealt, anyone can hold any of the 1,326 possible two-card combinations. The moment a player open-raises from under the gun at a 6-max table, that set collapses to roughly the top 18% of hands. A call of a 3-bet filters it further. A check-raise on the turn filters it again. This is why range thinking beats hand reading street by street. A single guess is either right or wrong, and it is usually wrong. A range is never wrong; it just gets sharper as the hand develops. Solvers, the programs that compute [game theory optimal strategy](https://gtogecko.com/blog/what-is-gto-poker), operate purely on ranges. They never ask "what does he have?" They ask "what does his whole range do here, and what is my best response to all of it?" Three practical payoffs follow directly from thinking this way: - Better big decisions. Calling a river shove is profitable or not based on how many value combos and bluff combos fit the opponent's line, not on a hunch. - Built-in balance. When you plan your own play range by range, you stop telegraphing strength, because every action covers strong hands and bluffs alike. - Cleaner exploits. Once you know what a balanced range looks like, an opponent who 3-bets only premiums or never bluffs rivers sticks out immediately. How Do You Read a Poker Range Chart? A poker range chart is a 13x13 grid showing all 169 starting hand types in Texas Hold'em. Pocket pairs run down the diagonal from AA to 22, suited hands sit above the diagonal, and offsuit hands sit below it. Colors mark the action for each hand: raise, call, fold, or a mix. The geometry takes about two minutes to learn and then never changes. Rows and columns are both ordered from ace down to deuce. To find AKs, go to the A row and the K column, above the diagonal. To find AKo, go to the K row and the A column, below the diagonal. Any cell where row and column match is a pocket pair. Most charts use a consistent color language. Red or green typically means raise, yellow or blue means call, and gray means fold. When a cell is split between two colors, the hand is played at a mixed frequency: a solver might open K ♥ 7 ♥ from the hijack 65% of the time and fold it the rest. You do not need to replicate exact mixes at the table. Knowing a hand is borderline is the actionable information. The Combos Behind Each Cell Here is the part most players skip, and it costs them. The 169 cells are not equally likely. Each cell represents a different number of real card combinations, and the differences are large. Hand category Hand types Combos per type Total combos Pocket pairs 13 6 78 Suited hands 78 4 312 Offsuit hands 78 12 936 All hands 169 – 1,326 Run the numbers and a few facts jump out. Offsuit hands make up 936 of 1,326 combos, about 71% of everything you can be dealt. AKo is three times as common as AKs (12 combos versus 4). And any single pocket pair is rare: you hold AA just 6 times out of 1,326 deals, about once every 221 hands. This is why a range that looks small on the grid can be large in reality. Adding ATo to a range adds 12 combos; adding A5s adds only 4. Players who eyeball charts without counting combos consistently misjudge how wide their opponents actually are. Our full guide to [combo counting](https://gtogecko.com/blog/combo-counting) turns this into a step-by-step method you can use mid-hand. The Four Range Shapes: Linear, Polarized, Capped, Condensed Ranges come in four basic shapes. Linear ranges contain the best hands down to some cutoff. Polarized ranges hold strong hands and bluffs with little in between. Capped ranges have a strength ceiling and cannot contain the nuts. Condensed ranges cluster around medium strength. The shape tells you who can apply pressure. Shape What it contains Typical example Linear Top X% of hands, no gaps UTG opening range Polarized Nutted hands plus bluffs River overbet range Capped No nutted hands possible BB after check-calling twice Condensed Mostly medium-strength hands Preflop caller on a low board Shape drives sizing. A linear range wants small bets at high frequency because almost everything in it benefits from folds and thin calls. A polarized range wants big bets, since its strong hands extract maximum value while its bluffs generate maximum fold equity. The full breakdown lives in our guide to [polarized vs merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges). Capped ranges are the ones to hunt. A player who check-calls flop and turn on a dry board almost never holds a set or better, because those hands would have raised earlier for protection and value. Solvers attack that ceiling relentlessly, which is exactly why [overbets](https://gtogecko.com/blog/overbetting-strategy) show up so often on rivers against capped calling ranges. How Do You Build Preflop Ranges by Position? Preflop ranges are built around position. Open tight in early seats and widen toward the button. At a 100bb 6-max cash table, solver-derived ranges open roughly 18% of hands under the gun, 22% from the hijack, 28% from the cutoff, and about 43% on the button. The logic is simple: every player left to act behind you is a chance someone wakes up with a premium, and every postflop street you play out of position costs you EV. The button opens more than twice as many hands as UTG for those two reasons alone. If position concepts feel fuzzy, start with our [position strategy guide](https://gtogecko.com/blog/poker-position-strategy) before memorizing charts. A few construction principles keep ranges coherent across positions: - Suitedness earns its slot. Suited hands carry roughly 3-4% more equity than their offsuit twins, plus nut potential. That is why K9s opens from UTG in most solver outputs while K9o folds. - Hands must survive a 3-bet. Early-position opens face [3-bets](https://gtogecko.com/blog/what-is-a-3-bet) from five potential opponents. Hands like QTo that play terribly against a reraise get cut first. - Stack depth shifts the mix. Deep stacks favor suited connectors and small pairs for implied odds. Short stacks favor raw high-card strength because pots end sooner. - Blocker value matters at the margins. A5s makes UTG ranges partly because holding an ace makes it less likely opponents hold AA or AK. Our [blockers and unblockers guide](https://gtogecko.com/blog/blockers-unblockers) covers why. You do not need to derive any of this yourself. The complete position-by-position grids are in our [preflop charts guide](https://gtogecko.com/blog/preflop-charts-opening-ranges), and you can [browse the full preflop range library free on GTO Gecko](https://play.gtogecko.com/), with charts for every position across Cash, MTT, and Spin and Go formats. No credit card, no catch; the range library is part of the permanent free tier. Range vs Range: Who Has the Advantage Postflop? Range vs range analysis compares how two complete ranges interact with a board, instead of pitting one hand against another. The player whose range holds more total [equity](https://gtogecko.com/blog/poker-equity-explained) has the range advantage. The player whose range holds more nutted combos has the nut advantage. They are not always the same player. Range advantage is about average equity. On A ♠ K ♥ 4 ♦ after a button open and a big blind call, the button's range is stacked with AK, AQ, AA, KK, and broadway combos the big blind would have 3-bet or folded preflop. Run the two ranges against each other and the button sits near 58-60% equity. Solvers respond with small bets at very high frequency, because nearly the entire range profits from charging the weaker distribution. Nut advantage is about the top of the ranges. Flip the board to 6 ♠ 5 ♠ 4 ♥ and the picture inverts. The big blind's calling range is full of 87s, 75s, 53s, and small pairs that just became straights, two pairs, and sets, hands the button mostly does not arrive with. Even if raw equities run close, the big blind owns the nutted region and can start [check-raising](https://gtogecko.com/blog/check-raise-strategy) and betting big. Whoever holds the nut advantage controls the large sizings; whoever holds only the equity advantage has to stay modest. Two questions sort almost every flop in a few seconds: - Whose range has more overall equity here? High and broadway-heavy boards favor the raiser. Low, connected boards favor the caller. - Who can hold the nuts, and who cannot? Count the sets, straights, and strong two pairs each range actually contains. A range that cannot hold them is capped and should defend, not attack. Practice this comparison deliberately. Pick a preflop matchup, deal a flop, and before looking at any solver output, decide who has the range advantage and who has the nut advantage. Then check. GTO Gecko's library includes true 3-way multiway postflop solutions alongside heads-up pots, so you can test your reads in the messy multiway spots where most players are guessing. How Do You Practice Thinking in Ranges? Range thinking becomes automatic through reps, not reading. The fastest route: memorize the opening grids, narrate opponents' ranges out loud while you play, count combos on big rivers, and drill solver spots until your frequencies converge. Most players see clear improvement inside two to three weeks of daily practice. Here is a routine that works: - Learn the preflop grids cold. Start with the six opening ranges for your format. Quiz yourself on borderline hands: is 97s a hijack open? Is ATo an UTG open? The free range library answers every one of these instantly. - Narrate ranges in real time. Every hand you play or watch, state the preflop range out loud or in your head, then update it on each street. "He called the cutoff open from the button: pairs, suited broadways, suited connectors, some AQo and AJo." This is the core habit. - Count combos on rivers. When a big bet lands, count the value combos that fit the line, then the plausible bluffs. Compare the ratio to the pot odds. This single habit fixes more bad calls and bad folds than any other. - Drill against a trainer that shows your weak spots. GTO Gecko's preflop, postflop, and full-hand trainers track your ELO and re-serve spots you misplay. Use the focused routine in our [preflop trainer guide](https://gtogecko.com/blog/preflop-trainer-guide) to turn range browsing into active recall. - Review hands range vs range. In your session reviews, resist the urge to ask "was my hand good enough?" Ask "what does my whole range want to do here?" instead. That one reframe is the difference between solver-era poker and 2010 poker. The free tier covers the on-ramp: full preflop range library browsing plus daily free trainer hands, no credit card required. Use them to find out where your preflop game actually stands before you spend a dollar on study tools. Poker Range FAQ What does range mean in poker? A range is every hand a player can realistically hold in a given situation, based on their actions so far. A tight player's under-the-gun raise might represent a range of AA-77, AK-AJ, KQ, and strong suited hands. Skilled players make decisions against this whole set rather than guessing one specific hand. How many combinations are in a poker range? There are 1,326 possible two-card combinations in Texas Hold'em, grouped into 169 hand types. Each pocket pair has 6 combos (78 total across 13 pairs), each suited hand has 4 combos (312 total), and each offsuit hand has 12 combos (936 total). A "20% range" therefore contains roughly 265 combos. How do you read a poker range chart? Find the diagonal first: it holds the 13 pocket pairs from AA down to 22. Everything above the diagonal is suited, everything below is offsuit. Locate a hand by its row and column, then read the cell's color for the action: raise, call, fold, or a split cell for mixed frequencies. What is the difference between a polarized and a linear range? A linear range takes the strongest hands down to a cutoff with no gaps, like an opening range built from the top 20% of hands. A polarized range contains very strong hands and bluffs with the middle removed, like a river overbetting range. Linear ranges prefer smaller bets; polarized ranges justify bigger ones. What is range advantage in poker? Range advantage means your entire range has more equity than your opponent's on a given board. It usually belongs to the preflop aggressor on high-card flops. It differs from nut advantage, which measures who holds more of the strongest possible hands. Range advantage supports frequent small bets; nut advantage supports large ones. How can I practice poker ranges for free? Browse complete solver-derived preflop charts in GTO Gecko's free range library for every position in Cash, MTT, and Spin and Go formats, then use the daily free trainer hands to test yourself against the solutions. The free tier is permanent and needs no credit card, so daily range drills cost nothing. Stop Guessing Hands, Start Assigning Ranges Every concept in modern poker sits on top of ranges. Bet sizing, bluff selection, blocker logic, board coverage: none of it makes sense hand by hand, and all of it snaps into focus range by range. The grid is small, the math is fixed, and the four shapes repeat in every session you will ever play. The work is the reps. Learn the grids, narrate ranges while you play, count combos when it matters, and check your instincts against real solutions. [Open the free range library on GTO Gecko](https://play.gtogecko.com/), pick the position you butcher most often, and start there. Your next session will already look different. ### What Is a 3-Bet? How to Use Re-Raises to Win More Pots https://gtogecko.com/blog/what-is-a-3-bet A 3-bet is the third bet in a betting sequence and usually refers to a preflop re-raise. In No-Limit Hold'em, the blinds count as the first bet, an open-raise is the second, and the re-raise is the third—hence "3-bet." Understanding how and when to 3-bet lets you isolate weak opens, protect your premium value hands, and build a balanced strategy that holds up against solvers and sharp regs alike. A short all-in can increase the wager without becoming a full raise, so it may not restore an already-acted player’s option to re-raise. For that procedural edge case, use the [player-by-player short-all-in reopening guide](https://gtogecko.com/blog/short-all-in-reopen-betting) before applying the strategy advice below. 3-Bet Definition and Poker Math Basics An optimal 3-bet strategy balances two goals: extracting value with premium hands and applying pressure with well-chosen bluffs. When you 3-bet, you force the opener to continue with a stronger range or surrender the pot, increasing your expected value immediately. Because the pot grows rapidly, misapplying 3-bets is costly—so you need structured ranges, blocker awareness, and stack-depth adjustments baked into your plan. - Value 3-bets: Premium hands like AA, KK, AK that aim to get stacks in versus worse holdings. - Bluff 3-bets: Profitable re-raises using blockers (e.g., A ♠ 5 ♦ ) to fold out better unpaired hands. - Polar vs. merged ranges: Out of position, stick to polar mixes (strong value + bluffs). In position, merged ranges allow thin value 3-bets against loose opens. When Should You 3-Bet? 1. Identify the Opener’s Tendencies Wide open-raising ranges from the button or cutoff invite more 3-bet bluffs. Against tight under-the-gun players, lean heavily into value combos and fold more marginal holdings. Tracking population tendencies inside GTO Gecko and comparing them to our primer on [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) keeps your re-raises precise. 2. Weigh Position and Stack Depth Acting in position with deep stacks increases the profitability of broad 3-bet ranges because you realise equity more effectively. Shorter stacks encourage linear 3-bets that can commit post-flop, while deeper cash games benefit from polar mixes that apply capped-range pressure. For a refresher on stack-aware adjustments, review [our GTO poker beginner’s guide](https://gtogecko.com/blog/what-is-gto-poker). 3. Use Blockers to Power Your Bluffs Blockers reduce the number of premium hands your opponent can continue with. Hands like A ♣ 5 ♣ or K ♦ Q ♦ make excellent 3-bet bluffs because they block AA/KK/AK while carrying playability when called. Dive deeper into this removal logic in the [blockers vs. unblockers breakdown](https://gtogecko.com/blog/blockers-unblockers). 3-Bet Ranges by Position How wide you 3-bet depends on two seats: yours and the opener's. At 100bb in 6-max cash, solvers re-raise roughly 4–5% of hands against an early-position open, 8–9% on the button versus a cutoff open, and 12–16% from the blinds against late-position steals. Wider opens invite wider 3-bets, and position behind the opener widens them further. Spot (100bb 6-max) 3-Bet Range Range Shape HJ vs UTG open ~4–5% Linear: QQ+, AK, AQs, some A5s BTN vs CO open ~8–9% Merged: TT+, AQ+, suited broadways, A4s–A5s SB vs BTN open ~12–14% Polar, strict 3-bet-or-fold BB vs BTN open ~13–16% Polar: premiums plus suited wheel aces and connectors Two forces drive these numbers. The first is the opener's range: a typical UTG open is around 18% of hands while a button open is closer to 43%, so a re-raising range that is correctly tight against UTG becomes badly under-built against the button. Our [preflop charts guide](https://gtogecko.com/blog/preflop-charts-opening-ranges) lists the exact opening percentages these responses are built against. The second is your own postflop position, the theme running through our [position strategy guide](https://gtogecko.com/blog/poker-position-strategy). Against early-position opens , stay linear. QQ+, AK, and AQs do the heavy lifting, with a sprinkle of A5s as the bluff that blocks aces. There is no room for KQo-type hands here because the opener's range dominates them. On the button , merge. Facing a cutoff open you can 3-bet thin value like AQo, KQs, and TT–JJ profitably because you act last on every street. This is the seat where 3-betting "good but not great" hands prints the most. In the small blind , play 3-bet-or-fold against late opens. Flat-calling invites a big blind squeeze and commits you to a raked, out-of-position pot with a capped range. Most solver libraries flat almost nothing here. In the big blind , you close the action and get a discount, so calling carries more of the workload and your 3-bets polarize: big pairs and AK for value, suited wheel aces and suited connectors as the bluffs. Squeeze Spots: An Open Plus a Caller When a raise and a cold-call arrive before you act, your 3-bet becomes a squeeze. The dead money makes it more profitable, but the sizing must grow: roughly 4x the open, plus one extra open per caller. Ranges tighten too, since two players have shown interest. The full spot-selection framework is in our [squeeze play guide](https://gtogecko.com/blog/squeeze-play-strategy). Cold 4-Bet Bluffs: Why Solvers Pick A5 Suited Sometimes the open and a 3-bet both land before the action reaches you. Cold-calling here is rare in solver output; the play is almost strictly 4-bet-or-fold. Value is QQ+ and AK, and the textbook bluff is A5 suited. The ace blocks AA and AK in both opponents' ranges, and when called you still hold wheel straight and nut flush potential. Expect to cold 4-bet only 1–2% of hands. It is a low-frequency, high-leverage weapon, not a default. Example: Button 3-Bets the Cutoff Scenario: 100bb cash, cutoff opens to 2.5bb, button 3-bets to 8.5bb. Solver-Inspired Range Breakdown - Value: JJ+, AKs, AKo at full frequency; AQs and TT at partial frequency. - Bluffs: A5s–A4s, KQs, some suited Broadway combos that maintain equity versus a 4-bet. - Exploits: If the cutoff over-folds to 3-bets, widen suited wheel aces and suited connectors; if they 4-bet aggressively, tighten bluffs and shift to 4-bet reshoves with AQ/TT. Key takeaway: Your button 3-bet range should still contain high-card equity when called. Avoid junky offsuit hands that flop poorly and can’t realise equity post-flop. Defending Against 3-Bets Facing a 3-bet, the opener must continue with a minimum defense frequency (MDF) to stay unexploitable. That means mixing calls, 4-bets, and folds according to position, stack depth, and rake environment. Use GTO Gecko to compare EV between flatting and 4-betting, and revisit our guidance on [deviating from GTO](https://gtogecko.com/blog/gto-vs-exploitative) for player-specific adjustments. Common 3-Bet Mistakes - 3-betting dominated offsuit hands. Hands like KJo create reverse implied odds when called. Swap them for suited wheel aces that block premium holdings. - Ignoring bankroll pressure. Moving up stakes without a proper roll forces scared money decisions—review [bankroll management fundamentals](https://gtogecko.com/blog/bankroll-management-for-pros) to maintain discipline. - Failing to mix frequencies. Always or never 3-betting specific combos becomes predictable. GTO-approved mixes, similar to those in [our solver walkthrough](https://gtogecko.com/blog/how-to-use-poker-solver), make you tougher to exploit. 3-Bet FAQ Is a 3-bet always preflop? Most players use the term for preflop re-raises, but technically a flop raise after a bet and call is also a 3-bet. Context matters, so specify the street when discussing hands. How big should my 3-bet be? In position, target 3.5–4× the original raise. Out of position, size closer to 4.5–5× to deny implied odds and compensate for positional disadvantage. Can I 3-bet bluff live games? Yes, but pick spots carefully. Live players under-fold less, so start with blocker-rich suited aces and expand once you gauge your table’s tendencies. What is a good overall 3-bet percentage? Around 7–9% of opportunities across all positions in 6-max cash. Below 5% you are surrendering too many pots to wide opens; above 11–12% without a plan against 4-bets, you bleed chips in re-raised pots. The split by position matters more than the total: lowest against early opens, highest in the blind-versus-late-position battles. Should my 3-bet range be linear or polarized? Linear in position against wide opens, polarized out of position. In position, the hands just below your premiums (AQo, KQs, TT) gain real value as 3-bets. Out of position, those hands prefer to call while your 3-bets split into premiums and suited-ace bluffs. The full breakdown is in our guide to [polarized versus merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges). Next Steps for Your 3-Bet Strategy Build a simple 3-bet chart for each position, drill it against the [free preflop range library on GTO Gecko](https://play.gtogecko.com/), and track how opponents respond. Add exploitative tweaks as you gather data, and keep reinforcing fundamentals with articles like [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) and [GTO poker essentials](https://gtogecko.com/blog/what-is-gto-poker). Mastering 3-bets is one of the fastest ways to grow your win rate and take control of aggressive pots. ### What Is a Continuation Bet? C-Bet Strategy Guide https://gtogecko.com/blog/what-is-a-continuation-bet A continuation bet (c-bet) is when the preflop aggressor bets again on the flop, maintaining initiative regardless of whether they improved. C-betting allows you to apply pressure with a range advantage, build pots with value hands, and deny equity to drawing hands. Understanding when and how to c-bet separates winning players from break-even grinders, especially when you pair solver-backed frequencies with real-time table dynamics. What Is a Continuation Bet? The continuation bet is poker's most common postflop action. Because you raised preflop, you represent strength and often hold more premium hands (overpairs, top pairs) than your opponent. Even when you miss completely, the c-bet forces your opponent to defend correctly or surrender equity immediately. The key is balancing your c-betting range between value hands that want to build the pot and bluffs that fold out better holdings. - Range advantage: The preflop raiser typically connects harder with high-card flops, justifying frequent c-bets. - Initiative advantage: Betting keeps control and forces your opponent into reactive mode. - Denial of equity: C-betting charges drawing hands and prevents free cards that could outdraw you. Why C-Betting Works 1. Most Flops Miss Most Ranges In a single-raised pot, both players miss the flop roughly 65% of the time. When you c-bet as the preflop aggressor, you force your opponent to fold unpaired hands or continue with marginal holdings at a disadvantage. This fold equity compounds over thousands of hands and becomes a major profit source. 2. You Can Represent More Premium Hands Opening ranges contain more overpairs, top pairs, and strong broadways than calling ranges. When a K ♠ 7 ♥ 2 ♣ flop appears, the preflop raiser credibly represents KK, AK, and all Kx combinations, while the caller's range is capped. This imbalance justifies high c-bet frequencies even with air. 3. GTO Says to C-Bet Frequently Solver outputs recommend c-betting 50–70% of your range on most dry to semi-connected boards. These frequencies are tuned to stay unexploitable while maximizing EV. For a deep dive into how solvers calculate these outputs, review [our poker solvers guide](https://gtogecko.com/blog/how-to-use-poker-solver). When Should You Continuation Bet? 1. Evaluate Board Texture Dry, static boards (K ♦ 7 ♠ 2 ♥ , A ♣ 9 ♦ 4 ♠ ) favor the preflop raiser and support aggressive, high-frequency c-betting. Wet, coordinated boards (9 ♥ 8 ♥ 7 ♣ , Q ♠ J ♠ T ♦ ) connect more with the caller's range, so you should check more and c-bet smaller when you do bet. 2. Respect Position In position, c-bet more frequently with smaller sizes because you can realize equity better on later streets. Out of position, c-bet larger to deny implied odds and polarize your range sooner. Position-aware adjustments mirror the concepts in [our GTO fundamentals guide](https://gtogecko.com/blog/what-is-gto-poker). 3. Account for Stack Depth Deep stacks (100bb+) encourage smaller c-bets and more range betting to control pot geometry. Shorter stacks (20–40bb) benefit from larger, commitment-oriented c-bets that simplify turn and river decisions. For tournament contexts, pair this with [ICM poker strategy](https://gtogecko.com/blog/icm-poker-strategy) so you avoid over-committing near pay jumps. Optimal C-Bet Sizing Modern solvers favor smaller c-bet sizes—typically 25–40% pot—because they achieve similar fold equity while risking less. Larger sizes (50–75% pot) are reserved for polar boards where you want to deny equity or commit to a pot-sized turn shove. Your sizing tree should match the textures you face most often, creating consistency that's harder to exploit. Solver-Approved C-Bet Sizes - 33% pot: Range c-bets on dry boards (A-high, K-high) with positional advantage. - 50% pot: Polarized c-bets on disconnected boards out of position. - 66–75% pot: Boards where you want to pot-commit with overpairs or deny equity to strong draws. Example: Button Opens, Big Blind Calls Scenario: 100bb effective, button opens 2.5bb with A ♣ Q ♥ , big blind calls. Flop: Q ♠ 7 ♦ 3 ♣ . GTO C-Bet Strategy - Bet 33% pot with 70% frequency: Include top pair (AQ, KQ), overpairs (AA, KK), and bluffs like A ♥ K ♥ , A ♦ 5 ♦ that have backdoor equity. - Check 30% of range: Slow-play some overpairs, protect checking range with middling showdown value like 88–TT. - Turn plan: Barrel most value hands on bricks; give up with pure air that didn't improve. Takeaway: Your c-bet range must blend enough value to punish floats and enough bluffs to stay balanced. This equilibrium prevents opponents from exploiting you with pure folds or pure calls. C-Betting Out of Position When you open from early position and get called by the button, c-bet frequencies drop because you cannot realize equity as effectively. Focus on larger sizes (50–66% pot) with a tighter, more value-heavy range, and check more marginal hands to induce bluffs or control pot size. Out-of-position c-betting requires more discipline—revisit [our range construction primer](https://gtogecko.com/blog/understanding-ranges-in-poker) to build leak-free strategies. What Is a Delayed C-Bet? A delayed c-bet is when the preflop raiser checks back the flop, then bets the turn after the opponent checks a second time. Two checks from your opponent cap their range hard, so a small turn bet of 25–33% pot wins immediately at a high rate while risking very little. Ace-high dry boards are the textbook spot. When the button checks back A ♠ 7 ♦ 3 ♣ with hands like KQ, pocket sixes, or a weak suited ace, the big blind's second check is a flag: most of their aces would have bet the turn themselves after the flop went check-check. Solvers respond by betting the turn small with the bulk of the checked-back range. From the other seat, that same flop check-back is what creates a probe bet: the out-of-position player leads the turn precisely because the raiser passed. Our guide to [probe betting strategy](https://gtogecko.com/blog/probe-betting-strategy) covers which turn cards to attack and how much to bet. Delaying also keeps your weakest hands out of [check-raise](https://gtogecko.com/blog/check-raise-strategy) trouble on the flop and puts real hands in your flop checking range, so opponents cannot attack your checks automatically. Common C-Betting Mistakes - C-betting 100% of your range. Always betting makes you predictable and allows opponents to raise or float profitably. Mix checks with strong hands to protect your checking range. - Using one bet size for every board. Texture-blind sizing leaks information and leaves money on the table. Drill multiple sizes inside GTO Gecko to build adaptability. - Ignoring opponent tendencies. GTO is the baseline, but exploits multiply your win rate. If the population over-folds to c-bets, increase bluff frequency. If they never fold, tighten to value-only. Learn when to deviate in [our GTO deviation article](https://gtogecko.com/blog/gto-vs-exploitative). - Giving up too quickly. Single c-bets often aren't enough to win the pot. Plan multi-street barrels with your strongest value hands and best bluffs, using blockers to maximize fold equity. Our [blocker guide](https://gtogecko.com/blog/blockers-unblockers) shows how removal effects inform these decisions. Balancing Your C-Bet Range A balanced c-bet range contains a mix of: - Value hands: Top pair or better that benefit from building the pot and protecting against draws. - Semi-bluffs: Draws with equity (flush draws, straight draws, overcards) that can improve on later streets. - Pure bluffs: Air hands with blockers (A-high, K-high) that block opponent's continuing range and occasionally backdoor into winners. Balancing prevents opponents from exploiting you by always folding or always calling. When your c-bet could be the nuts or air, you force difficult decisions that tilt EV in your favor. How to Study C-Betting Effectively - Run single-raised pot sims in GTO Gecko. Focus on button vs. big blind at 100bb to cover the highest-frequency scenario. - Compare c-bet vs. check EV. Identify boards where checking back is higher EV than betting, and memorize the texture patterns. - Drill sizing trees. Practice using 33%, 50%, and 75% sizes and note which hands prefer which size. - Review live sessions. Tag every c-bet decision and compare your frequency to solver recommendations. Adjust exploitatively when population tendencies are clear. C-Bet FAQ Should I always c-bet when I have top pair? No. On wet boards or out of position, checking top pair to control pot size or induce bluffs is often correct. Use solvers to identify these check-back spots. What is a good c-bet frequency? On neutral to dry boards, target 50–70% c-bet frequency in position. Out of position, tighten to 40–55%. Adjust based on board texture and opponent tendencies. How do I know if my c-bet is too large? If you're betting more than 50% pot on boards where you plan to c-bet your entire range, you're likely over-sizing. Smaller bets achieve similar results with less risk. Can I c-bet with nothing? Yes, but choose hands with backdoor equity or blockers (A-high, K-high) to maximize fold equity and retain outs when called. Pure junk without equity rarely c-bets profitably. When to Double Barrel After C-Betting Not every c-bet needs a follow-up. Plan your turn action before you fire the flop: - Value hands: Barrel again on most runouts to build the pot and protect equity. - Strong draws: Semi-bluff turns that improve your equity or apply maximum pressure. - Pure bluffs: Give up unless you pick up equity or a blocker-heavy board makes your story credible. Multi-street aggression separates elite players from auto-pilots. Study turn textures in GTO Gecko and map out which cards justify barrels and which demand check-backs. Your Next Steps Load a button vs. big blind configuration in [GTO Gecko's postflop solver](https://play.gtogecko.com/), simulate 20 common flop textures, and drill c-bet frequencies until they become automatic. Pay special attention to boards where you should check strong hands to protect your range. Combine this study with [our 3-bet guide](https://gtogecko.com/blog/what-is-a-3-bet) for preflop aggression and [GTO fundamentals](https://gtogecko.com/blog/what-is-gto-poker) to build an unshakeable postflop foundation. The sharper your c-bet game, the faster your win rate climbs. ### What Is GTO Poker? Game Theory Optimal Explained https://gtogecko.com/blog/what-is-gto-poker GTO poker (game theory optimal poker) is a strategy built on Nash equilibrium: a balanced mix of value bets, bluffs, calls, and folds that no opponent can exploit, no matter how they counter. Played perfectly, the worst case before rake is break-even. Every mistake your opponents make against it hands you money. That one paragraph is the whole idea. The rest of this guide makes it concrete: what GTO actually means, a Nash equilibrium example you can verify with grade-school arithmetic, what solvers compute and where they fall short, when to abandon GTO for exploits, and a four-step plan for studying it without drowning in theory. What Does GTO Mean in Poker? GTO stands for "game theory optimal." In poker, it describes a strategy where every action (open, call, [3-bet](https://gtogecko.com/blog/what-is-a-3-bet), [c-bet](https://gtogecko.com/blog/what-is-a-continuation-bet)) contains the right ratio of strong hands and bluffs, at the right frequencies, so that no counter-strategy beats it long term. It is a defensive baseline, the strategy you would commit to if your opponent could see your entire game plan in advance. Three building blocks make a strategy game theory optimal: - Balanced ranges: Each line you take includes enough value hands and enough bluffs that opponents cannot profit by always calling or always folding. Our guide to [understanding poker ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) covers how these are built. - Equilibrium frequencies: Many hands mix between actions because two options carry identical expected value. Solvers report these mixes as percentages, like "bet 65%, check 35%." - Indifference: The signature of equilibrium. Your frequencies are chosen so your opponent's borderline hands earn exactly zero whether they call or fold, which means they cannot gain by adjusting. The math behind this lives in [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) and minimum defense frequency. One clarification before going further, because the term gets misused constantly: GTO does not mean "the most profitable strategy." It means the most profitable strategy against a perfect opponent , and the safest strategy against everyone else. Against weak players, a tailored exploitative strategy makes more. We will get to that trade-off shortly. Nash Equilibrium in Poker, Explained With Real Numbers A Nash equilibrium is a pair of strategies where neither player can improve their result by changing strategy alone. In poker terms: if both players are at equilibrium, deviating in any direction loses money or, at best, breaks even. The cleanest way to see it is a river bluff-catching spot with actual numbers. The Setup: A 100-Chip Pot on the River There are 100 chips in the pot. Player A bets 100 chips, a pot-sized bet. Player A's range is polarized: every hand is either the nuts or a busted draw with no showdown value. Player B holds a bluff catcher, a hand that beats all of A's bluffs and loses to all of A's value hands. This is the purest betting situation in poker, and [polarized ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges) like A's are exactly when big bets appear. Two questions decide the equilibrium. How often should A bluff? How often should B call? Player A's Bluffing Frequency: 33% Player B is calling 100 to win the 200 already out there (the pot plus A's bet), so B needs to win 1 time in 3 to break even on a call. Player A's equilibrium response is to bluff exactly 1 time in 3, making B's call worth precisely zero: B's EV of Calling When A Bluffs 33% - 1/3 of the time A is bluffing: B wins 200 chips → +66.7 on average - 2/3 of the time A has value: B loses the 100-chip call → −66.7 on average - Net EV of calling: 0. Folding is also 0. B is indifferent. Player B's Calling Frequency: 50% Now flip it. A's bluffs risk 100 chips to win the 100-chip pot, so a bluff profits if B folds more than half the time. B's equilibrium response is to call exactly 50% (this is the minimum defense frequency for a pot-sized bet). A bluff then wins 100 half the time and loses 100 half the time: zero. A cannot print money by bluffing more, and cannot stop bluffing without letting B fold everything for free. That pair of frequencies, A bluffing 33% and B calling 50%, is the Nash equilibrium of this mini-game. Neither side can unilaterally do better. Every solver output you will ever read is this same logic scaled up across 1,326 hand combos and multiple streets. What Happens When Someone Deviates Suppose A gets frisky and bluffs 50% of the time instead of 33%. B's best response is no longer indifference, it is calling every single time: half the calls win 200, half lose 100, for +50 chips per call. A's extra bluffs turned B's bluff catchers into money printers. The same trap works in reverse: if B over-folds, A profits by bluffing any two cards. Exploitation is just the act of noticing a deviation and punishing it, which is why holding the equilibrium yourself is so valuable. You can hunt for these mistakes while offering none in return. Can Humans Actually Play GTO Poker? No. A full GTO strategy specifies mixed frequencies for every hand combo on every runout, something like "bet 33% pot with this exact suit combo 62% of the time." No human can memorize or randomize that precisely, and nobody plays true equilibrium, including the best players alive. Humans play approximations. This is liberating, because it tells you what studying GTO is actually for. You are mining solver output for transferable rules: which board textures favor your range, when a size should be big or small, which hands make the best bluffs. You compress millions of data points into heuristics you can execute at the table. A simplified strategy that captures the logic gives up a tiny sliver of EV against a solver and almost nothing against humans, who are too busy making their own mistakes to exploit your rounding errors. Practically, that means two habits matter far more than memorization. First, learn the why behind solver actions, since reasons generalize and frequencies do not. Second, pure-strategy shortcuts are fine: when a solver mixes a hand 60/40, picking one action and always taking it costs almost nothing, because mixed hands are mixed precisely when the options have nearly identical EV. GTO vs Exploitative Poker: Which Should You Use? Use GTO as your default and deviate when you have a reliable read. GTO protects you against unknown or strong opponents; exploitative play earns more against players with known leaks. The two are partners, since you cannot recognize a leak without knowing what the baseline should look like. Our full breakdown of [GTO vs exploitative poker](https://gtogecko.com/blog/gto-vs-exploitative) goes deep on this, but the quick framework fits in one table: Situation Lean Why Unknown opponent GTO baseline No read means no exploit. Balance keeps you safe. Strong reg who adjusts GTO baseline Your deviations get noticed and counter-exploited. Player who over-folds Exploit: bluff more Their folds make your air profitable beyond equilibrium. Calling station Exploit: value bet thin, stop bluffing Bluffs burn money when nobody folds. Maniac who over-bluffs Exploit: call down lighter Their bluff-heavy range makes your catchers +EV. A useful mental model: GTO is the price list, exploits are the discounts. If the population over-folds to river check-raises, fire more of them. If a reg never [check-raises](https://gtogecko.com/blog/check-raise-strategy) turns without the nuts, fold hands the solver would call. Every exploit opens you to a counter-exploit, so the further you stray from baseline, the more certain your read needs to be. What Do Poker Solvers Actually Compute? A solver is software that takes a precisely defined game (two ranges, a board, stack sizes, and a menu of allowed bet sizes) and runs an algorithm, usually counterfactual regret minimization, until both strategies converge toward Nash equilibrium. The output is the full strategy for every hand at every decision point, plus the EV of each option. The phrase "precisely defined game" is doing heavy lifting there, and it is where solver limits live: - Bet-size abstraction: Real poker allows any bet from min to all-in. Solvers only consider the handful of sizes you feed them. If you offer 33% and 75% pot, the solver will never tell you that 150% was best. Studying [bet sizing theory](https://gtogecko.com/blog/poker-bet-sizing-strategy) helps you pick trees worth solving. - Inputs are assumptions: The preflop ranges you enter are guesses about how people play. Garbage ranges in, garbage equilibrium out. - Approximation, not perfection: Solvers stop when remaining exploitability drops below a threshold, often quoted as a fraction of the pot. Good enough for any practical purpose, but "solved" means "solved to a tolerance." - Multiway is harder: Nash equilibrium loses its no-losing guarantee with three or more players, and most commercial tools only solve heads-up pots anyway. This is a genuine blind spot in most study material; GTO Gecko's library includes true 3-way postflop solutions for exactly this reason, which remain rare in the market. None of this makes solvers less essential. It makes them instruments you should read with judgment. Our walkthrough on [how to use a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) covers setting up trees and interpreting outputs without getting lost, and our comparison of [GTO apps and platforms](https://gtogecko.com/blog/best-gto-apps-platforms) maps the tooling landscape. GTO Poker Example: Button vs Big Blind Theory lands better with a hand in front of you. Here is a standard spot and what equilibrium play looks like in it. Situation: 50bb effective stacks, button opens to 2.5bb with K ♥ J ♦ , big blind calls. Flop comes K ♣ 7 ♠ 2 ♦ . Solver output: The GTO strategy continuation-bets about 66% of the time for 33% pot and checks 34% of the time. Value hands (top pair, overpairs) blend with backdoor bluffs like Q ♠ J ♠ and A ♣ 5 ♣ to protect the betting range. Why the Solver Mixes Here - Top pair with a middling kicker still needs protection from backdoor draws, so betting frequently banks EV. - Checking occasionally keeps strong hands in the checking range, preventing the big blind from auto-bluffing turns. - Backdoor equity bluffs like Q ♠ J ♠ balance the size by blocking key continuing hands. Takeaway: Mix your actions intentionally. Betting every KJ here becomes a frequency mistake that lets an observant opponent raise liberally. The mix keeps your range balanced while staying simple enough to execute live. Turn Defense: Facing a Polarized Check-Raise Situation: Same hand, turn is the 4 ♣ . Big blind checks, you bet small, and the big blind check-raises to 3.5x. Equilibrium dictates how often you continue. Solver Recommendations - Continue ~45% of your range: Call with top pair, strong draws, and some backdoor clubs to deny fold equity. - Fold your weakest top pairs: Hands without club blockers or redraws drop out to maintain balance. - Re-bluff with combo draws: A ♣ 5 ♣ and 6 ♣ 5 ♣ shove at some frequency because they unblock folds and retain equity when called. Takeaway: GTO defense means hitting your continue frequency with the right hands, selected by [blockers](https://gtogecko.com/blog/blockers-unblockers) and equity, rather than hero-calling on feel. Counting your continues is much easier once [combo counting](https://gtogecko.com/blog/combo-counting) is second nature. Is GTO Poker Profitable? Yes, with one nuance. GTO is profitable in real games because real opponents deviate from equilibrium constantly, and every deviation loses money to a balanced strategy automatically. You do not even have to identify the mistake. The nuance: against extremely weak players, a pure exploitative approach earns more than equilibrium does. Think of GTO's guarantee as a floor, before rake, against any strategy in heads-up pots. Nobody can beat you long term. Your win rate then comes from the gap between your opponents' play and equilibrium, which at small and mid stakes is enormous. Players over-fold to aggression, under-bluff rivers, call too wide preflop, and miss thin value relentlessly. A solid GTO approximation collects from all of it. The honest caveats: rake means a break-even equilibrium battle is a losing one, so game selection still matters. And in soft games, refusing to deviate leaves money on the table, since the maximally profitable line against a calling station is wildly unbalanced. Profit ceiling: exploitation. Profit floor: GTO. The best players hold both. How to Start Studying GTO Poker: A 4-Step Path Start with preflop ranges, add the core math vocabulary, drill actively instead of reading passively, then review your own hands against solver output. That sequence front-loads the highest-value material and gets you reps immediately. Here is each step in practice. - Learn preflop ranges for your format. Preflop is the most studied, most consequential, and easiest-to-memorize street. Start with [GTO preflop charts by position](https://gtogecko.com/blog/preflop-charts-opening-ranges), focusing on the button, cutoff, and big blind first since they handle the most hands per orbit. [Position](https://gtogecko.com/blog/poker-position-strategy) drives everything that follows. You can browse the full preflop range library free on [GTO Gecko](https://play.gtogecko.com/), no credit card needed. - Build the math vocabulary. Four concepts cover 90% of solver logic: [equity](https://gtogecko.com/blog/poker-equity-explained), [pot odds](https://gtogecko.com/blog/pot-odds-poker-math), combos, and blockers. Each is a one-evening read, and together they let you understand why a solver does what it does instead of memorizing outputs blind. - Drill, don't just read. Passive chart-staring decays in days. Active recall sticks. Play training hands where you make the decision first and get graded against the solution. GTO Gecko's trainers track your accuracy with an ELO rating and automatically re-serve the spots you misplay, and the explainability engine tells you in plain English why the solver's action wins, which is the part charts never teach. The free tier includes daily trainer hands. - Review your real hands. After sessions, run your toughest spots against solver output and tag the pattern behind each error: wrong size, missing bluffs, over-folding. Leak patterns repeat, so fixing one fixes hundreds of future hands. Round this out with [bankroll rules](https://gtogecko.com/blog/bankroll-management-for-pros) that keep variance from wrecking the project, and raid our list of [free GTO resources](https://gtogecko.com/blog/free-gto-resources) for supplementary material. Tournament players should add one module: [ICM](https://gtogecko.com/blog/icm-poker-strategy) changes equilibrium strategy near bubbles and final tables, because chips and money stop being the same thing. Chip-EV charts alone will mislead you there. GTO Poker Myths, Busted GTO attracts more folklore than any other poker topic. The most common myths, corrected: - "GTO maximizes profit against fish." False. GTO maximizes your guarantee, the worst-case floor. Against a player who calls everything, equilibrium bluffs are lit money. Max profit against bad players is always exploitative. - "GTO is a rigid robot style with no reads." Backwards. GTO is the reference point that makes reads meaningful. "He folds too much" only means something relative to a correct folding frequency. - "Solvers give one right answer per spot." Usually not. Most hands mix between actions at equal EV. The lesson of a solver output is the range construction and the reasons, not a single button to press. - "GTO only matters online at high stakes." The equilibrium is identical in a live 1/2 game; only the frequency of opponent mistakes changes. Live players who know the baseline spot those mistakes faster than anyone. - "You must play GTO perfectly or it's worthless." Nobody plays it perfectly. Approximations capture most of the value, and even one concept, like proper [bluff-to-value ratios](https://gtogecko.com/blog/poker-bluffing-strategy), immediately beats the unbalanced version of you from last month. GTO Poker FAQ What does GTO stand for in poker? GTO stands for game theory optimal. It refers to a Nash equilibrium strategy: a balanced way of playing every hand such that no opponent can exploit you, regardless of how they adjust. The term entered mainstream poker vocabulary as solvers became widely available in the mid-2010s. Is GTO poker profitable? Yes. Against the imperfect opponents you actually face, a GTO-based strategy profits automatically from their mistakes while remaining safe from exploitation. Pure exploitative play can earn more in very soft games, but it requires accurate reads and carries counter-exploitation risk. Most winning players use a GTO baseline with targeted deviations. Do professional poker players use GTO? Essentially all of them study it. Solver work has been the standard study method for serious online professionals since roughly 2015, and most top live players train with solver-derived material as well. Pros differ in how strictly they follow equilibrium at the table, but the baseline itself is universal at the top of the game. Is using a poker solver cheating? Studying with a solver away from the table is completely legal and is the industry-standard way to improve, the poker equivalent of a chess player using an engine to review games. Real-time assistance (consulting a solver or charts beyond basic preflop aids while a hand is being played) is banned by every major site and gets accounts closed and funds confiscated. Study between sessions, play from your own head. Can you beat a GTO player? Not in the long run, in heads-up pots, before rake. That is the definition of equilibrium: your best possible counter-strategy breaks even. In practice nobody executes GTO perfectly, so even strong players have small leaks. The closer someone plays to equilibrium, the smaller and harder to find those leaks become. How long does it take to learn GTO poker? Expect the core vocabulary (ranges, equity, pot odds, combos, blockers) to click within 4 to 6 focused study sessions. Competent preflop play takes a few weeks of drilling. Postflop fluency is an ongoing project measured in months, which is why active training with graded feedback beats passively reading charts by such a wide margin. Is GTO worth learning for low-stakes games? Yes, and arguably most valuable there. Low-stakes pools make the largest, most repetitive mistakes, and you need the equilibrium baseline to recognize them as mistakes at all. You will also deviate from GTO more often at low stakes, but profitably and on purpose rather than by accident. Your Next Step You now have the complete map: GTO is the unexploitable Nash baseline, solvers approximate it within known limits, no human plays it perfectly, and the practical goal is a strong approximation plus deliberate exploits. The difference between knowing that map and profiting from it is repetition. Pick one spot, like button versus big blind in single-raised pots, and make it yours this week. Drill it until your frequencies stop drifting, then expand. If you want graded reps with solver-exact feedback, [start with the free daily trainer hands on GTO Gecko](https://play.gtogecko.com/), browse the preflop library, and work through the cluster of guides linked throughout this article. The theory is settled. The edge goes to whoever trains it. ### Donk Bet Strategy: When Solvers Lead Into the Raiser https://gtogecko.com/blog/donk-betting-strategy For years, the donk bet was treated as a cardinal sin in poker. "Never lead into the preflop raiser" was gospel at every training site, forum, and coaching session. Then solvers arrived and quietly dismantled that rule. Modern GTO solutions show that donk betting is not only acceptable on certain boards—it is the highest-EV play. If you are still checking 100% of your range to the aggressor every single time, you are leaving money on the table. What Is a Donk Bet? A donk bet is a bet made by the out-of-position player into the preflop aggressor at the start of a new betting round. The name itself carries a negative connotation—it implies the bettor is acting foolishly by leading into the player who "should" have the initiative. In practice, a donk bet simply means you are betting before the last aggressor gets to act. - Flop donk bet: The big blind bets into the preflop raiser on the flop instead of checking. - Turn donk bet: After both players check the flop, the out-of-position player leads on the turn. - River donk bet: The caller leads into the aggressor on the river—often after a checked-through turn. The key distinction is that donk betting breaks the expected flow of action. In standard poker, the preflop raiser fires a [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet) and the caller reacts. A donk bet reverses that dynamic entirely, and that reversal is precisely what makes it powerful in the right spots. “Donk bet” describes the action order; “block bet” describes a strategic use of a deliberately small size. A river lead can be both, but the labels are not interchangeable. Our [river block-bet guide](https://gtogecko.com/blog/river-block-bet-strategy) compares that small lead with checking and keeps the opponent's raise branch in the calculation. Why Old-School Poker Hated Donk Bets The traditional argument against donk betting had real logic behind it. The preflop raiser holds the range advantage on most boards—more overpairs, more top pairs, more premium holdings. By checking to them, you allow them to c-bet with a wide range, giving you the opportunity to [check-raise](https://gtogecko.com/blog/check-raise-strategy) your strongest hands and trap effectively. Leading out supposedly "wastes" this trapping opportunity and announces your hand strength too clearly. This reasoning was partly correct. On ace-high and king-high dry boards, the preflop raiser does hold a significant range advantage, and checking your entire range is often optimal. The mistake was turning a board-specific guideline into a universal rule. Poker players applied "don't donk bet" to every single texture, including the many boards where the caller actually holds the range advantage. That blanket approach cost them EV on thousands of hands. When Solvers Approve Donk Bets Solvers do not care about poker traditions. They calculate the highest-EV action for every hand on every board. And on a meaningful subset of textures, the highest-EV action for the big blind is to lead into the raiser. Understanding when solvers approve donk bets comes down to three core scenarios. Board Texture Shifts the Advantage The single biggest driver of donk betting is board texture. When the flop heavily favors the caller's range over the raiser's range, the caller gains a structural advantage that justifies leading. Low, connected boards like 7 ♥ 6 ♦ 5 ♣ or 8 ♠ 6 ♥ 4 ♦ are textbook examples. The big blind's calling range contains far more two-pair combos, sets, and straight draws than the button's opening range. On these textures, solvers recommend donk betting 20–40% of the big blind's range. Paired low boards also trigger donk bets. On 5 ♣ 5 ♥ 3 ♦ , the big blind holds more 5x combos, more pocket threes, and more suited connectors that connected. The preflop raiser's overpairs are vulnerable, and the caller's range is stronger on average. Leading exploits this structural imbalance before the raiser can check back and realize free equity. For a deeper look at how ranges interact with board texture, see our [guide to range construction](https://gtogecko.com/blog/understanding-ranges-in-poker). Multiway Pots Donk betting frequency increases in multiway pots. With multiple opponents, the preflop raiser's c-bet frequency drops dramatically because they face greater resistance. This means you get checked through more often, and your strong hands lose value. Solvers compensate by having the big blind lead with a polarized range—strong hands that need protection and draws that benefit from fold equity against the middle players. If you are in a three-way pot on a wet board, donk betting your sets and strong draws prevents the action from checking around and giving free cards to everyone. Turn Donk Bets After Flop Checks Turn donk bets are the most commonly approved donk bet in solver outputs. After both players check the flop, the turn card can dramatically shift the range advantage. If you checked the flop on K ♠ 9 ♥ 4 ♦ and the turn brings a 6 ♣ , the dynamic barely changes. But if the turn brings a 7 ♥ completing a flush draw or connecting with the middle cards, your range may now contain more strong hands than the raiser who checked back. Solvers lead the turn at significant frequencies when the card favors the caller's range, especially after the raiser declined to c-bet—which caps their range considerably. Understanding how [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) reveal range information is essential for identifying these spots. Flop Donk Bet Example Scenario: 100bb cash game. Button opens to 2.5bb, big blind calls. Pot is 5.5bb. Flop: 7 ♣ 6 ♥ 4 ♠ . Solver Donk Betting Range on 7 ♣ 6 ♥ 4 ♠ - Value donk bets: 85s, 53s, 76s, 44—straights, two pair, and sets that need protection on a board loaded with draws. - Semi-bluff donk bets: 9 ♥ 8 ♥ , T ♥ 8 ♥ , 98o—open-ended straight draws that gain fold equity and have strong equity when called. - Thin value donk bets: 77, 66—sets that want to build the pot immediately before scare cards arrive. - Sizing: 50–75% pot (3–4bb). The wet texture demands a meaningful size to charge draws and deny equity. Notice the logic: the big blind's range crushes this board. The button holds overpairs and overcards, but far fewer nutted combinations. By leading, you put the raiser in an uncomfortable spot—they must either call with vulnerable overpairs, raise into a board that smashes your range, or fold equity they would rather keep. This is the opposite of the old-school "check to the raiser" approach, and it is objectively higher EV here. Turn Donk Bet Example Scenario: 100bb cash game. Cutoff opens to 2.5bb, big blind calls. Pot is 5.5bb. Flop: K ♦ 8 ♠ 3 ♥ . Both players check. Turn: 5 ♠ . Pot remains 5.5bb. Solver Turn Donk Range After Flop Check-Through - Value donk bets: K5s, 85s, 55, 53s—hands that improved on the turn and now hold two pair or better. - Thin value leads: K9s, KTs—top pair hands that were too weak to check-raise the flop but now want to extract value before the river checks through again. - Semi-bluff leads: A ♠ 4 ♠ , 7 ♠ 6 ♠ —hands that picked up flush draws on the turn and combine equity with fold equity. - Sizing: 50–66% pot. You want to build the pot with value while giving draws a bad price to continue. The cutoff's flop check-back tells a clear story: they likely do not hold AK, KK, or AA—those hands almost always c-bet this texture. Their range is now capped at medium-strength hands and missed overcards. Meanwhile, your range includes all the Kx hands you called preflop, plus the two-pair and set combos that improved on the turn. Leading exploits this information asymmetry and prevents another free card. This is precisely the kind of spot where studying [positional dynamics](https://gtogecko.com/blog/poker-position-strategy) pays dividends. Strictly speaking, a turn lead after the raiser checks back is a probe bet rather than a donk bet, and it has its own rules. See our guide to [probe betting strategy](https://gtogecko.com/blog/probe-betting-strategy). How to Respond to Donk Bets When you are the preflop raiser facing a donk bet, your response should depend on the board texture and the opponent's likely strategy. Many players instinctively raise donk bets to "take back initiative," but this is often a costly mistake. - On boards that favor the donk bettor's range: Call with your medium-strength hands and overpairs. Raising walks into the strongest part of their range. They led because the board favors them—respect that reality. - On boards that should not produce donk bets: If someone leads into you on A ♠ K ♥ 7 ♦ , this is almost certainly an exploitable play from a weaker opponent. You can raise wider for value because their range is likely unbalanced. - Raise selectively with nutted hands: When you hold a set or top two pair on a wet board and the opponent donk bets, raising for value is correct. You need to build the pot before scare cards arrive. - Fold your weakest holdings: Donk bets on favorable textures carry real strength. Do not hero-call with bottom pair or ace-high just because the line looks unusual. The key mindset shift is treating donk bets as legitimate strategic actions rather than automatic signs of weakness. When a competent player leads into you, they are telling you the board favors their range. Adjust accordingly. Studying [GTO fundamentals](https://gtogecko.com/blog/what-is-gto-poker) helps you understand when to respect unconventional lines and when to exploit them. Common Donk Betting Mistakes - Donk betting on boards that favor the raiser. Leading into the preflop aggressor on A ♦ K ♠ Q ♥ is burning money. The raiser has all the overpairs, AK, AQ, and KQ combinations. Check and let them c-bet into your trapping range instead. - Using one size for every donk bet. Donk betting 33% pot with the nuts and 33% pot with a draw gives away your hand. Vary your sizing based on board texture and range composition, or stick to one size with a balanced range of value and bluffs. - Donk betting without a plan for later streets. If you lead the flop with a draw and get called, what do you do on the turn? Plan your multi-street strategy before firing. Know which turn cards you barrel, which you check, and which you give up on. - Leading too frequently. Even on boards that favor donk betting, solvers still recommend checking the majority of your range. Donk betting 50%+ of your range turns you into a target for raises and makes your checking range dangerously weak. - Ignoring opponent tendencies. Against players who fold to donk bets at high frequencies, increase your bluff donks. Against players who raise every donk bet, tighten to pure value. The [range-based thinking](https://gtogecko.com/blog/understanding-ranges-in-poker) you use against the solver should adapt to real opponents at the table. Donk Bet FAQ Is donk betting ever correct in GTO play? Yes. Solvers recommend donk betting on specific board textures where the caller's range has a structural advantage—typically low, connected, or paired boards. The frequency varies by texture but can reach 20–40% of the caller's range on the most favorable flops. What is the best donk bet sizing? On most flop textures, 50–75% pot works best. This size charges draws, builds the pot with value hands, and commits enough chips to generate fold equity with bluffs. Smaller sizes (33% pot) appear on drier textures where you are range-betting as a lead. Run specific spots in GTO Gecko to find the exact sizing for each board category. Should I donk bet in tournaments? Tournament dynamics can increase donk bet profitability. Shorter stacks mean donk bets commit a larger percentage of your stack, which pressures opponents more. In multiway tournament pots where c-bet frequencies drop, leading with strong hands prevents the pot from checking through and protects your equity. How do I practice donk bet spots? Use GTO Gecko to simulate single-raised pot scenarios from the big blind's perspective. Focus on boards like 7-6-5, 8-6-4, and 5-5-3 where donk betting frequency is highest. Drill until you can identify donk-bet-favorable textures within seconds of seeing the flop. Then compare your chosen hands and sizes to the solver output to close leaks. Explore Donk Bet Spots in GTO Gecko The donk bet is no longer a mistake—it is a weapon. But like any weapon, it requires precision. Donk betting on the wrong boards or with the wrong hands will cost you more than it earns. The path to mastery is solver study: load common single-raised pot configurations in GTO Gecko, filter for boards where the big blind leads, and internalize the patterns. Pay attention to which hands lead, which check-raise, and which simply call. Once you understand the structural logic behind donk bets, you will start recognizing profitable spots in real time. Combine this knowledge with your [check-raise strategy](https://gtogecko.com/blog/check-raise-strategy) and [betting pattern reads](https://gtogecko.com/blog/poker-betting-patterns) to build a postflop game that opponents genuinely fear. ### Overbet Poker: When and Why Solvers Go Big https://gtogecko.com/blog/overbetting-strategy Most players have a mental ceiling on bet sizing. They throw out 50% pot, maybe 75%, and call it a day. But if you have ever run a hand through a solver, you have seen it recommend bets of 150%, 200%, even 300% of the pot. These overbets are not solver glitches. They are precise, mathematically motivated weapons that exploit specific range advantages. Understanding when and why to overbet is one of the clearest edges you can gain in modern poker. In this guide, we break down the theory behind overbetting, walk through solver-backed examples on the river, turn, and flop, and show you how to defend when someone fires an overbet at you. What Is an Overbet? An overbet is any bet that exceeds the current size of the pot. If there is 10bb in the pot and you bet 12bb, 15bb, or even 25bb, you are overbetting. Common overbet sizings in solver outputs fall between 125% and 200% pot, though all-in shoves that exceed the pot also qualify. Overbets are not a new idea, but they were rarely used before solvers proved their theoretical value. Traditional poker wisdom said to bet between one-third and one pot-sized bet. Solvers shattered that framework by showing that limiting your bet sizing to pot or below leaves significant EV on the table in spots where your range has a structural advantage. Overbet Sizing Reference - Standard bet: 25%–100% pot - Small overbet: 100%–150% pot - Medium overbet: 150%–200% pot - Large overbet: 200%+ pot (often an all-in shove) Why Solvers Overbet Solvers do not overbet randomly. Two conditions must be present for an overbetting strategy to emerge: a nut advantage and a polarized range . When both exist, overbetting becomes the highest-EV action because it maximizes value from the strongest hands and maximizes fold equity with bluffs. For a primer on these range structures, see our guide on [polarized versus merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges). Nut Advantage Boards Nut advantage means one player's range contains significantly more nutted hands—straights, flushes, full houses, and sets—than the opponent's range. This usually arises from preflop range asymmetries. The in-position player who raised preflop holds more premium hands, and certain board runouts connect disproportionately with one side. For example, when the button opens and the big blind calls, and the board runs out A ♠ K ♥ T ♣ 7 ♦ 2 ♠ , the button's range contains far more AK, AA, KK, TT, AQ (for broadway straights), and ATs than the big blind's range. The big blind would have 3-bet many of these combinations preflop. This massive nut advantage gives the button theoretical permission to overbet. Range Polarity Principle The second condition is range polarity—the betting player's range must split cleanly into very strong hands and very weak hands with few medium-strength holdings. When your range is polarized, your opponent faces a binary guessing game: are you nutted or are you bluffing? There is no middle ground, and that uncertainty is what makes large sizings profitable. With a [merged range](https://gtogecko.com/blog/polarized-vs-merged-ranges), overbetting would be a disaster. Medium-strength hands cannot call raises, so inflating the pot with them bleeds chips. But with a purely polarized range, every hand benefits from the larger sizing: value hands extract maximum payment, and bluffs generate maximum fold equity. Why Polarity Demands Larger Bets - Polarized range + large bet: Value hands win bigger pots, bluffs fold out more equity. Optimal. - Polarized range + small bet: Value hands leave money on the table, bluffs get called too often. Suboptimal. - Merged range + large bet: Medium hands get raised off their equity. Losing play. The key insight is that bet sizing and range structure are inseparable. Large sizings only work with polarized ranges, and highly polarized ranges only reach their full EV with large sizings. Overbetting is simply the logical extension of this principle—when your range is extremely polar and your nut advantage is overwhelming, even a pot-sized bet is too small. River Overbets: The Most Common Spot The river is where overbetting happens most frequently. By this point, all community cards are dealt, hand values are locked in, and ranges naturally polarize. You know exactly what you have, and your decision is whether to bet for value, bluff, or check. This clarity is what creates the ideal conditions for overbetting. For more on river betting math, check our [pot odds and poker math guide](https://gtogecko.com/blog/pot-odds-poker-math). River Overbet Example: Nut Straight on Dry Board Spot: Button vs Big Blind, single-raised pot, 100bb deep. Board: K ♠ 7 ♦ 3 ♣ 2 ♥ Q ♠ Action: Button c-bet flop, bet turn, BB called both streets. Hero (Button): A ♥ J ♥ (nut straight with AJ on KQXX) Pot on river: ~22bb Solver output: AJ bets 150% pot (33bb into 22bb) at high frequency. Why: The button's range contains AJ, AT (for broadway straights), AA, KK, QQ, KQ, and sets. The big blind's range is capped—they would have check-raised sets or two pair on earlier streets. Their calling range is mostly one-pair hands (Kx, Qx) that are already committed to calling one more bet. An overbet extracts maximum value from these calling hands while also allowing bluffs like missed flush draws to generate maximum fold equity. When you hold the nuts on the river and your opponent's range is capped at one-pair type hands, betting small is a strategic error. A 50% pot bet gets called at roughly the same frequency as a 150% pot bet against a capped range—your opponent's Kx and Qx hands are calling either way because they beat your bluffs. The overbet simply charges them three times more for the privilege. Bluffing with River Overbets Every value overbet needs corresponding bluffs to remain balanced. When you overbet the river for value, you need to also overbet as a bluff at the correct frequency. The math is straightforward: a 150% pot overbet offers your opponent roughly 37.5% pot odds, so you need about 37.5% bluffs in your overbetting range. This is a higher bluff percentage than with a standard-sized bet, which means overbetting actually creates more bluffing opportunities. The best river overbet bluffs are hands with strong [blocker properties](https://gtogecko.com/blog/blockers-unblockers)—specifically, hands that block your opponent's calling range. A ♦ 5 ♦ on a board with no diamond flush is an excellent overbet bluff candidate: the ace blocks top pair and some two-pair combos, and the hand has zero showdown value. For a deeper dive on selecting bluff candidates, see our [bluffing strategy guide](https://gtogecko.com/blog/poker-bluffing-strategy). Turn Overbets: When the Board Shifts Advantage Turn overbets are less common than river overbets but appear in solvers with notable frequency on specific card runouts. The trigger is usually a turn card that dramatically shifts the nut advantage toward one player—a card that completes draws in one player's range while bricking for the other. Turn Overbet Example: Flush-Completing Turn Spot: Cutoff vs Big Blind, single-raised pot. Flop: T ♥ 8 ♥ 3 ♣ — Cutoff bets 33%, BB calls. Turn: 4 ♥ (flush completes) Hero (Cutoff): A ♥ K ♥ (nut flush) Solver output: A ♥ K ♥ overbets turn at 125–150% pot. Why: The cutoff's range contains far more flush combos (AKhh, AQhh, KQhh, KJhh, suited broadways) than the big blind, who would have check-raised many of these draws on the flop. The turn card creates a sudden, massive nut advantage. The big blind's range is heavy with one-pair hands and non-heart draws that are now drawing nearly dead. Overbetting punishes these capped hands by inflating the pot while they are equity-poor. Turn overbets also set up devastating river situations. By overbetting the turn, you build a pot that often forces the remaining stacks to be all-in or near all-in on the river. This eliminates complex river decisions and effectively turns the hand into a turn-and-river all-in—a massive simplification that benefits the player with the nut advantage. Key Turn Overbet Triggers - Flush-completing turns: When you hold more flush combos than your opponent. - Straight-completing turns: Cards like a J on a board of T-9-x that connect with your broadway-heavy opening range. - Pairing turns on high-card boards: A king pairing on K-8-4-K gives the preflop raiser more KK, AK, and KQ combinations. - Ace turns when the preflop raiser has more Ax: An ace on T-7-3-A hits the raiser's range significantly harder than the caller's. Flop Overbets: Rare but Real Flop overbets are the rarest of the three, but they do appear in solver solutions. The most common spot is a monotone flop (three cards of the same suit) where the in-position player holds a disproportionate share of made flushes and nut flush draws. Consider a board of J ♠ 8 ♠ 4 ♠ when the button has opened and the big blind called. The button holds hands like A ♠ K ♠ , A ♠ Q ♠ , K ♠ Q ♠ , and K ♠ T ♠ at far higher frequencies than the big blind, who would have 3-bet many suited broadways. On this texture, solvers sometimes use an overbet strategy with made flushes and non-spade high-card hands as bluffs, while checking middle-strength hands. Flop overbets are high-variance by nature. With two streets still to come, pot sizes explode, and the stack-to-pot ratio collapses rapidly. Use them selectively and only when your range advantage is unmistakable. When you are studying these spots in [GTO Gecko](https://gtogecko.com/), pay close attention to how the solver's flop overbet range narrows compared to its standard bet range—you will notice it is extremely polar. Defending Against Overbets When you face an overbet, the first reaction for many players is panic. The sizing feels intimidating. But defenders have a clear mathematical framework, and ignoring it leads to either over-folding (the most common leak) or over-calling (the second most common). Constructing a Defense Range Against an overbet, your required defending frequency is determined by the pot odds you are being offered. Against a 150% pot overbet, you are getting roughly 2.67:1, meaning you need to call about 37.5% of your range to prevent the bettor from profiting with any two cards as a bluff. Against a 200% pot overbet, you need to defend around 33%. Defense Frequencies Against Overbets - 100% pot bet: Defend ~50% of range - 125% pot bet: Defend ~44% of range - 150% pot bet: Defend ~37.5% of range - 200% pot bet: Defend ~33% of range The hands you choose to defend with should follow these priorities: - Nutted hands: Always call (or raise) with straights, flushes, and sets. These are automatic defends. - Strong one-pair hands with blockers: Top pair with a kicker that blocks the bettor's value range. For example, A ♠ K ♦ on a king-high board blocks KK and AK combos in their value range. - Bluff catchers that unblock bluffs: Hands that do not block the bettor's likely bluffing hands. If their bluffs are missed flush draws, avoid calling with hands that contain cards of that suit—you want their bluffs to exist. Review [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) for the full framework. One critical mistake is folding too many medium-strength hands simply because the sizing is large. If you fold everything except the nuts, your opponent prints money by overbetting any two cards. Stick to the math and defend the correct percentage. Common Overbet Mistakes Overbetting is powerful, but misapplying it can be more costly than never overbetting at all. Here are the most frequent errors. 1. Overbetting Without the Nut Advantage The number-one mistake is overbetting on boards where your range does not have a significant nut advantage. If your opponent's range contains as many or more nutted combos as yours, an overbet simply inflates the pot against a range that crushes you. Always assess the preflop ranges and board texture before choosing an overbet sizing. Review how ranges interact with [GTO poker fundamentals](https://gtogecko.com/blog/what-is-gto-poker). 2. Overbetting with a Merged Range Overbetting with medium-strength hands is a leak. When you overbet Q ♥ J ♥ for top pair on a queen-high board, you build a massive pot that you cannot comfortably play when raised. Overbets should exclusively come from the extremes of your range—the nuts and the bluffs. Medium hands belong in your checking or standard-bet ranges. 3. Not Including Enough Bluffs Some players only overbet their strongest hands, turning the overbet into a transparent tell. If you only overbet with the nuts, observant opponents simply fold everything but their own monsters. You need to include bluffs at the correct frequency to keep opponents indifferent between calling and folding. Use the pot-odds formula: if you overbet 150% pot, roughly 37% of your overbets should be bluffs. 4. Ignoring Stack-to-Pot Ratio Overbets only work when you have enough chips behind to actually make the sizing. If you have 30bb behind and the pot is 25bb, an overbet of 150% pot would be 37.5bb—more than your remaining stack. In these spots, simply shove all-in rather than awkwardly sizing an overbet that commits your stack anyway. Always plan your bet sizing across all remaining streets, as discussed in our [betting patterns guide](https://gtogecko.com/blog/poker-betting-patterns). 5. Overbetting the Wrong Street Some players discover overbets and start firing them on the flop in spots where a standard c-bet works better. Flop overbets are rare in solver output for a reason—ranges are wide, nut advantages are smaller, and two cards are yet to come. The river is the most natural overbet street. Start your overbetting study there before expanding to turns, and only flop-overbet once you deeply understand the underlying range dynamics. Overbet FAQ How often do solvers overbet? It depends heavily on the spot. On the river in position with a clear nut advantage, solvers may overbet 15–25% of their betting range. On the turn, overbet frequencies drop to around 5–15%, and on the flop they are typically below 5%. The key driver is always nut advantage and range polarity—without both, the solver keeps the sizing at pot or below. Drilling spots in GTO Gecko helps you internalize which runouts trigger overbets and at what frequency. What is the correct bluff-to-value ratio for overbets? The bluff ratio depends on the pot odds your sizing offers. For a 150% pot overbet, your opponent gets about 37.5% odds, so you need roughly 37.5% bluffs in your overbetting range. For a 200% pot overbet, that drops to about 33%. Larger bets actually allow a higher proportion of bluffs—a counterintuitive result that makes overbetting attractive for creative players. Should I overbet in tournaments or only in cash games? Overbets apply in both formats, but tournament dynamics add complexity. ICM pressure means chips lost are worth more than chips won, so overbetting near the bubble or at final tables requires careful risk assessment. In general, overbetting is more straightforward in cash games where stack depth is constant and ICM is not a factor. In tournaments, reserve overbets for spots where your nut advantage is overwhelming and your tournament life is not on the line. How do I practice overbet spots? The best approach is to study solver outputs for specific board runouts and memorize the common patterns. Focus on river spots first—identify boards where you have a large nut advantage in position and notice which hands the solver overbets for value and which it uses as bluffs. Then drill these spots with [GTO Gecko](https://gtogecko.com/) until the patterns become second nature. Once river overbets feel natural, move to studying turn overbet triggers. Add Overbets to Your Arsenal Overbetting is not a gimmick or an advanced trick reserved for high-stakes regulars. It is a fundamental part of optimal poker strategy that solvers employ whenever the conditions are right. The conditions are simple: nut advantage plus range polarity. When you have both, betting larger than the pot extracts more value with your strong hands and generates more fold equity with your bluffs than any standard sizing can achieve. Start with river overbets in position—these are the most common and the easiest to identify. Look for boards where your range contains far more nutted hands than your opponent's capped range. Then practice the correct bluff-to-value ratios to keep your strategy balanced. Once river overbets are second nature, explore turn overbet triggers like flush-completing and straight-completing cards. If you are ready to study exactly where overbets belong in your game, open [GTO Gecko](https://gtogecko.com/) and run a few common button-versus-big-blind spots. Pay attention to the sizings the solver recommends on different runouts. You will quickly see the pattern: nut advantage, polarity, overbet. Master that sequence, and you will have a weapon that most of your opponents do not even know exists. ### Poker Bet Sizing: Size Your Bets Like a Solver https://gtogecko.com/blog/poker-bet-sizing-strategy You can play the right hands, pick the right spots, and still leak money if your bet sizing is off. Sizing determines how much value you extract, how much fold equity your bluffs generate, and how your entire range is perceived across streets. Solvers spend enormous computational resources optimizing sizing—and the differences between a 33% pot bet and a 75% pot bet are far larger than most players realize. This guide breaks down exactly how to size your bets on every street, why each size exists, and how to plan your sizing across multiple streets like a solver does. Why Bet Sizing Matters Every bet you make communicates information about your range and shapes the pot for future streets. Get the sizing wrong, and one of two things happens: you leave money on the table with your value hands, or you pay too much with your bluffs. Both are costly. From a [GTO perspective](https://gtogecko.com/blog/what-is-gto-poker), bet sizing directly affects your required bluff-to-value ratio. When you bet small, your opponent needs to defend more often, meaning you can include fewer bluffs. When you bet large, your opponent folds more frequently, allowing you to bluff more. This mathematical relationship is the foundation of balanced strategy. How Sizing Changes Your Bluff Ratio - 33% pot bet: Opponent needs to defend ~71% of the time. Your range should be roughly 2:1 value-to-bluffs. - 66% pot bet: Opponent needs to defend ~60% of the time. Your range shifts toward 1.5:1 value-to-bluffs. - 100% pot bet: Opponent needs to defend ~50% of the time. You can approach 1:1 value-to-bluffs. - 150% pot overbet: Opponent needs to defend ~40% of the time. Bluffs can outnumber value hands. Sizing also affects pot geometry—the trajectory of the pot across streets. If you bet too small on the flop, you may not be able to get all-in by the river with your strongest hands. Bet too large, and you commit chips with medium-strength hands that should be controlling the pot. Understanding [pot odds and the math behind them](https://gtogecko.com/blog/pot-odds-poker-math) is essential to grasping why sizing carries so much weight. Flop Bet Sizing The flop is where the pot is smallest and your sizing decisions have the most cascading impact. A poorly chosen flop bet echoes through the turn and river, distorting your pot geometry for the entire hand. Solvers use a range of flop sizes depending on [board texture](https://gtogecko.com/blog/board-texture-strategy), position, and range advantage. Small Bets (25-33% Pot) Small continuation bets have become a staple of modern poker, especially from in-position players after raising preflop. Solvers frequently prefer small bets on boards where the preflop raiser has a significant range advantage. When you hold an overpair on a dry board like K ♠ 7 ♦ 2 ♣ , a 33% pot c-bet accomplishes several things: it extracts value from worse hands that will call, it denies equity cheaply from overcards and gutshots, and it keeps the pot small enough to bet all three streets without overcommitting. For a deeper look at [continuation betting fundamentals](https://gtogecko.com/blog/what-is-a-continuation-bet), start there. When to Use Small Sizing on the Flop - Dry, disconnected boards: A ♠ 8 ♦ 3 ♣ , K ♥ 7 ♦ 2 ♠ — your range advantage is large, and you want to bet a high frequency. - Paired boards: Q ♣ Q ♦ 5 ♥ — few hand combinations connect, and small bets are efficient across your entire range. - High-card boards: When the board favors your preflop range (e.g., A-high, K-high from the raiser's perspective). Medium Bets (50-66% Pot) The classic half-pot to two-thirds-pot bet remains the workhorse sizing for many board textures. Medium bets work best on boards where neither player has an overwhelming range advantage, or where the board is coordinated enough that you need to charge draws a real price. On a flop like J ♥ T ♦ 6 ♠ , there are numerous straight draws, overcards with backdoor potential, and flush draw possibilities with the next card. A 50-66% pot bet forces these draws to pay up while building a pot that sets up natural turn and river bets with your strong hands. Large Bets (75%+ Pot) Large flop bets signal a [polarized range](https://gtogecko.com/blog/polarized-vs-merged-ranges)—you are representing the very top of your range or bluffing with hands that need maximum fold equity. Solvers use large bets on wet, connected boards where both players have strong equity and you need to deny that equity aggressively. Example: Large Flop Bet on a Wet Board - Board: 9 ♥ 8 ♥ 6 ♦ - Your hand: T ♠ 7 ♠ (flopped straight) - Sizing: 75-80% pot. The board is extremely draw-heavy. A small bet lets flush draws, combo draws, and two-pair draws see cheap cards. You need to charge maximum to protect your equity edge right now. - Bluffs at this size: A ♥ 5 ♥ (nut flush draw), Q ♥ J ♣ (overcards plus gutshot and backdoor flush) — high-equity draws that benefit from fold equity. Turn Bet Sizing The turn is where pot geometry becomes critical. By now, your flop sizing has set the stage, and your turn bet needs to bridge the gap between the current pot and your desired river stack-to-pot ratio. This is where many players make their biggest sizing mistakes—either betting too small and failing to set up a river shove, or betting too large and overcommitting with marginal hands. A strong turn sizing principle: if you plan to bet three streets for value, your turn bet should be sized so that a natural river bet (typically 60-100% pot) gets you all-in or close to it. Working backward from the river is how solvers think about turn sizing, and it is how you should think about it too. Turn Sizing in Practice - Setup: 100bb stacks. You open to 2.5bb, big blind calls. Pot is 5.5bb. You bet 2bb on the flop, villain calls. Pot is now 9.5bb, and you have 95.5bb behind. - Turn goal: If you bet 7bb (roughly 75% pot), the pot becomes 23.5bb with 88.5bb behind. On the river, a pot-sized bet gets you close to all-in. The geometry works. - Mistake: If you bet only 4bb on the turn, the pot becomes 17.5bb with 91.5bb behind. Now you need a 5:1 overbet on the river to get stacks in—a size that rarely gets called. Turn sizing also shifts based on board texture changes. A turn card that completes draws often calls for a check or a large bet from a [polarized range](https://gtogecko.com/blog/polarized-vs-merged-ranges), while a brick turn lets you continue with a medium sizing. Study how your [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) change across different turn cards to build a more balanced strategy. River Bet Sizing The river is where sizing directly translates to profit or loss with perfect clarity, because no more cards are coming. Your opponent must decide to call or fold based on the final board, and your sizing determines both how much value you extract and how often your [bluffs](https://gtogecko.com/blog/poker-bluffing-strategy) need to work. The math is straightforward. When you bet a fraction b of the pot, your bluffs need to work b/(b+1) of the time to break even. A half-pot bet needs to work 33% of the time. A full-pot bet needs to work 50% of the time. An overbet of 1.5x pot needs to work 60% of the time. River Sizing and Required Fold Equity - 33% pot: Bluff needs to work 25% of the time. Use for thin value bets with merged ranges—bet small and expect to get called often. - 66% pot: Bluff needs to work 40% of the time. The standard sizing for balanced value-and-bluff ranges. - 100% pot: Bluff needs to work 50% of the time. Effective with polarized ranges on boards that clearly favor one player. - 150%+ pot (overbet): Bluff needs to work 60%+ of the time. Reserved for spots where your range includes the nuts and your opponent's range is capped. Overbets are one of the most underused weapons in poker. A common solver pattern on the river: when you have a nut advantage (you can have the strongest possible hands but your opponent cannot), use larger sizings. When ranges are more symmetric, use smaller sizings. If your opponent has [check-raised the turn](https://gtogecko.com/blog/check-raise-strategy) and then checks the river, their range is often capped—making this a prime spot for an overbet with both your strongest hands and your bluffs. Geometric Sizing: Planning Across Streets Geometric sizing chooses one constant fraction of the current pot for every remaining called bet. It does not put an equal fraction of the remaining stack in on each street. If the pot is P , the effective stack behind is S , and n equal-percentage bets remain, the exact fraction is f = ((1 + 2S/P)^(1/n) - 1) / 2 . After each heads-up bet and call, the pot is multiplied by 1 + 2f . This arithmetic creates a stack-off schedule under its assumptions: the same bettor and caller, no raises, and no stack changes except the modeled bets and calls. It does not show that the geometric size is strategically best for a particular board or range. Geometric Sizing Example - Stacks: 100bb. You raise to 3bb, opponent calls. Pot is 6.5bb, you have 97bb behind. - Goal: Get all-in through three heads-up bet-call streets. - Exact fraction: ((1 + 2 × 97/6.5)^(1/3) - 1) / 2 = 1.068087... , or 106.81% of the current pot each street. - Exact schedule (shown to two decimals): Bet 6.94bb on the flop, 21.77bb on the turn, then the remaining 68.28bb on the river. The underlying unrounded amounts use the same 106.8087...% fraction; the displayed amounts are summaries rounded to two decimals. - Why 70% does not work: Betting 70% twice leaves 81.53bb for a river shove into 37.44bb, or 217.76% pot. Betting 75% twice leaves 79.94bb into 40.63bb, or 196.77% pot—not a smaller geometric river bet. - Live-chip rounding: With 0.5bb increments, 7bb then 22bb leaves 68bb into 64.5bb, a 105.43% river shove. State the rounding rule whenever you publish a practical line. Use geometry as a planning check, not as a strategy oracle. It reveals what today's size implies for later pot and stack amounts; range advantage, board texture, future cards, and opponent responses still determine whether that line belongs in a sound strategy. Common Sizing Mistakes - Using the same size on every board texture. A 50% pot c-bet is not universally correct. Dry boards call for smaller bets at higher frequency; wet boards call for larger bets at lower frequency. If you default to one size, you are either overbetting dry boards (losing action from worse hands) or underbetting wet boards (giving draws correct [pot odds](https://gtogecko.com/blog/pot-odds-poker-math)). - Sizing based on hand strength, not range. Betting big with strong hands and small with weak hands is one of the most exploitable patterns in poker. Your opponents will pick up on this quickly—and fold to your large bets while attacking your small ones. Your sizing should be based on your entire range for a given line, not the specific hand you hold. See how [betting patterns reveal this information](https://gtogecko.com/blog/poker-betting-patterns). - Ignoring stack-to-pot ratio (SPR). Choosing a flop bet size without considering how much is left behind is playing one street at a time. Always ask: "If I bet this amount and get called, what does the turn and river look like?" If the answer is awkward, adjust your flop sizing now. - Never overbetting. Many players cap their bets at pot-sized. But overbets are a critical part of solver strategies, especially on the river when you have a nut advantage. Leaving overbets out of your arsenal means you cannot fully capitalize on the strongest spots in your favor. - Calling every tiny river bet a “blocking bet.” An accidental token bet can give bluff-catchers an easy call and expose a weak range. A deliberate [small out-of-position river lead](https://gtogecko.com/blog/river-block-bet-strategy), however, can have a coherent value-and-bluff range when worse hands call and the full raise branch is accounted for. Size with a range purpose; the bet does not prevent your opponent from raising. Bet Sizing FAQ Should I always use the same bet size with my entire range? Not necessarily. Solvers often use multiple sizing options on the same street—for example, a small bet with one part of the range and a large bet with another. However, at lower stakes, simplifying to one well-chosen size per street reduces mistakes and is usually sufficient. As you move up, adding a second size (typically a small and a large option) gives you more strategic flexibility. How do I decide between a half-pot and a full-pot bet? Consider two factors: board texture and range advantage. On dry boards where you have a clear range advantage, use smaller sizes to bet more frequently. On wet, connected boards where equities run close, use larger sizes to deny draws and polarize your range. If you are building a [polarized strategy](https://gtogecko.com/blog/polarized-vs-merged-ranges), lean larger. For merged ranges, lean smaller. When should I overbet? Overbet when you have a significant nut advantage—meaning your range includes very strong hands that your opponent's range does not. Classic overbet spots include rivers where a draw completed and you were the one with the drawing hands in your range, or turns where the board pairs and you hold more full houses and trips. Overbets are also effective when your opponent's range is capped after passive play on earlier streets. Does bet sizing matter more than hand selection? They are deeply connected, but at the margins, sizing has an enormous impact. Two players with identical hand selection but different sizing strategies can have dramatically different win rates. Correct sizing maximizes EV from your value hands and minimizes cost from your bluffs. Studying [GTO poker fundamentals](https://gtogecko.com/blog/what-is-gto-poker) helps you understand how sizing and range construction work together. Sharpen Your Sizing Bet sizing is not a topic you study once and master. It requires drilling across dozens of board textures, stack depths, and positions until the right size feels instinctive. Start by identifying the spots where your current sizing is weakest—most players find that their turn and river sizing needs the most work, since flop c-bets get the most attention in training. Use GTO Gecko to practice specific scenarios: run solver outputs on different board textures and pay attention not just to which hands bet, but what size they use and why. Compare a 33% pot c-bet strategy on A ♠ 7 ♦ 2 ♣ with a 75% pot strategy on 9 ♥ 8 ♥ 6 ♦ —and notice how the entire range composition shifts between the two. That is where real understanding lives. The players who size their bets well put opponents in the hardest possible decisions on every street. Make your sizing purposeful, plan across streets, and your win rate will reflect it. ### Poker Equity Explained: Raw, Realized & Fold https://gtogecko.com/blog/poker-equity-explained Every decision you make in poker comes back to one concept: equity. Whether you are calling a bet on the river, shoving all-in preflop, or deciding whether to check or bet a marginal hand on the turn, equity is the invisible engine driving the math behind the decision. Understanding it deeply is what separates break-even players from consistently profitable ones. In this guide, you will learn exactly what poker equity is, the crucial difference between raw equity and realized equity, how to calculate your equity quickly at the table, and how fold equity and equity denial fit into your overall strategy. If you have already studied [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) and [outs and odds](https://gtogecko.com/blog/poker-outs-and-odds), this article will connect those ideas into a bigger picture. What Is Poker Equity? Poker equity is your share of the pot based on your probability of winning the hand. If there is $100 in the pot and you have a 60% chance of winning at showdown, your equity is $60. The remaining $40 belongs to your opponent. Equity is not a guarantee. It is a mathematical expectation. Over thousands of hands, the player who consistently gets their money in with the highest equity will come out ahead. Think of equity as the long-run value of your hand against a specific opponent hand or range of hands. Simple Equity Example Your hand: A ♠ K ♠ Opponent's hand: Q ♥ Q ♦ Preflop equity: AKs has roughly 46% equity against QQ - If you go all-in for $100 each ($200 pot), your equity is about $92 - Your opponent's equity is about $108 - QQ is favored, but AKs is far from dead Equity changes on every street. A hand that has 46% equity preflop might jump to 70% on the flop if it hits top pair, or drop to 5% if the board completely misses. This dynamic nature is why you cannot make one equity calculation and call it a day. You need to reassess as new information arrives. Raw Equity vs. Realized Equity This distinction is one of the most important concepts in modern poker strategy. Many players understand raw equity but overlook equity realization, which leads to costly mistakes in hand selection, position play, and bet sizing. Raw Equity Explained Raw equity is your theoretical share of the pot if the hand were checked down to showdown with no further betting. It assumes every hand sees the river and the best hand wins. Equity calculators and solvers show you raw equity. Raw Equity in Action Your hand: 7 ♥ 6 ♥ Opponent's hand: A ♦ K ♣ Raw equity preflop: 76s has about 39% equity vs AKo - If the hand were always checked to showdown, 76s would win 39% of the time - This sounds decent, but in reality, 76s rarely captures its full raw equity Raw equity is useful as a starting point, but it does not tell the whole story. In real poker, there is betting on every street, and that changes everything. Equity Realization: What You Actually Capture Equity realization (EQR) refers to the percentage of your raw equity that you actually convert into chips through postflop play. A hand that has 40% raw equity but only realizes 70% of it effectively plays like a 28% equity hand. Several factors determine how well you realize your equity: - Position: This is the biggest factor. Acting last gives you more information and more control over the pot size. In-position hands routinely realize 100% or more of their equity, while out-of-position hands often realize only 60-80%. This is why [position is so valuable](https://gtogecko.com/blog/poker-position-strategy) in poker. - Hand type: Suited connectors and small pocket pairs have good raw equity but variable realization. They either smash the flop or miss completely. Meanwhile, hands like AK have high raw equity and realize well because they make strong top-pair hands. - Stack depth: Deeper stacks mean more postflop betting streets, which amplifies positional advantages. Short stacks simplify decisions and reduce the gap between raw and realized equity. - Skill edge: If you play better than your opponent postflop, you realize more equity. This is the fundamental argument for playing in position and building a strong [understanding of ranges](https://gtogecko.com/blog/understanding-ranges-in-poker). Equity Realization by Position - Button (in position): Typically realizes 100-110% of raw equity - Big Blind (out of position, closing action): Typically realizes 60-75% of raw equity - Small Blind (out of position, not closing action): Typically realizes 55-70% of raw equity This is why solver solutions give the button far wider opening ranges than other positions. Being last to act is that powerful. Equity realization is the reason why "any two cards" thinking does not work. Even if 7 ♦ 2 ♣ has some raw equity against your opponent's range, it realizes so little of it out of position that it is a clear fold. Tools like GTO Gecko show you how different hands perform in different positions, making it easier to internalize which hands realize well and which do not. How to Calculate Equity There are several methods for estimating your equity, ranging from quick mental shortcuts to precise solver calculations. The method you use depends on whether you are at the table or studying away from it. The Rule of 2 and 4 This is the fastest way to estimate your equity during a hand. If you already know how to [count your outs](https://gtogecko.com/blog/poker-outs-and-odds), you can convert them to an approximate equity percentage instantly: - On the flop (two cards to come): Multiply your outs by 4 - On the turn (one card to come): Multiply your outs by 2 Rule of 2 and 4 Example Your hand: J ♥ T ♥ Board (flop): 9 ♥ 3 ♥ 2 ♠ - You have a flush draw (9 outs) plus two overcards (roughly 3 additional clean outs) = 12 outs - On the flop: 12 x 4 = 48% equity - If you only see the turn: 12 x 2 = 24% equity You can then compare this equity to the [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) you are being offered to decide whether to call, raise, or fold. Equity Calculators and Solvers Away from the table, equity calculators and solvers can estimate or enumerate equity for specific hands and ranges. Enumeration can be exact for a tractable fixed state space; Monte Carlo results retain sampling error. Our [PLO5/PLO6 Monte Carlo accuracy study](https://gtogecko.com/blog/plo-monte-carlo-equity-accuracy) measures how that error changed from 10,000 to 500,000 trials. When a Hold'em all-in is already locked, the separate [run-it-twice study](https://gtogecko.com/blog/running-it-twice-poker-ev) shows why two boards preserve that equity while changing the payout distribution. - Hand vs. hand: The simplest calculation. Plug in two specific hands and see who is favored. - Hand vs. range: More realistic. Input your hand against a plausible opponent range to see your equity against the range as a whole. This ties directly into [combo counting](https://gtogecko.com/blog/combo-counting): the more combos of strong hands in the opponent's range, the lower your equity. - Range vs. range: The most advanced calculation. Solvers like GTO Gecko calculate the equity of entire ranges against each other, which is the foundation of [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker). Studying equity matchups in a solver is one of the fastest ways to develop intuition. After enough practice, you will start to "feel" whether you have 30% or 60% equity in common spots without needing to calculate anything. Fold Equity Fold equity is the value you gain when your opponent folds to your bet or raise. Unlike pot equity (your chance of winning at showdown), fold equity is about winning the pot without having to show your cards. The Fold Equity Formula Fold equity can be expressed as: Fold Equity Formula Fold Equity = Opponent's Fold Frequency x Pot Size When deciding whether to bluff, your total equity in the hand is: Total EV = (Fold frequency x Pot) + (Call frequency x Your equity when called x New pot) - (Call frequency x Your investment) In simpler terms: when you bet, you combine your chance of winning at showdown with your chance of winning by making your opponent fold. Even a hand with only 20% pot equity can be profitable to bet if your opponent folds often enough. When to Leverage Fold Equity Fold equity is highest in the following situations: - Your opponent's range is capped or weak: If the board or the action suggests your opponent has a lot of marginal hands, a well-timed bet generates significant fold equity. - You have [blockers](https://gtogecko.com/blog/blockers-unblockers) to strong hands: If you hold cards that reduce the number of strong hands your opponent can have, your fold equity increases because they are less likely to call. - Bet sizing is large: Bigger bets generate more fold equity because your opponent needs a stronger hand to continue. This is central to [bluffing strategy](https://gtogecko.com/blog/poker-bluffing-strategy). - Tournament or ICM pressure: In tournaments, players fold more often to preserve their stack, increasing your fold equity. Fold Equity Example Situation: $100 in the pot on the river. You have a busted draw with no showdown value. - You bet $75 (75% pot) - You estimate your opponent folds 50% of the time - When called, you win 0% of the time (pure bluff) - EV = (0.50 x $100) + (0.50 x 0 x $250) - (0.50 x $75) = $50 - $37.50 = +$12.50 Even though you have no showdown equity, the fold equity alone makes this bluff profitable. Equity Denial Equity denial is the opposite side of the coin from equity realization. When you bet or raise, you are not only trying to build the pot with strong hands or bluff with weak ones. You are also preventing your opponent from freely seeing the next card and improving their hand. Why Equity Denial Matters Imagine you hold A ♠ A ♥ on a flop of K ♦ 8 ♣ 5 ♥ . Your opponent has 7 ♥ 6 ♥ , giving them an open-ended straight draw with a backdoor flush draw. If you check, they see a free turn card and get to realize their roughly 30% equity. If you bet, they either pay a price to continue (reducing their implied equity) or fold (surrendering their equity entirely). Equity denial is the primary reason you bet with medium-strength hands on drawy boards. You are not just betting for value. You are charging opponents to draw against you and sometimes forcing them to fold hands that would eventually outdraw you. Equity Denial in Practice - Betting the flop with top pair on a wet board denies equity to gutshots, backdoor draws, and overcards. - Raising a bet on the turn can push opponents off strong draws before the river. - Overbetting on connected boards forces opponents to fold hands with significant equity. Solvers frequently recommend larger sizes on boards where equity denial is critical. When you train with GTO Gecko, pay close attention to spots where the solver bets with hands that seem marginal. Often the reason is equity denial: the solver would rather win a small pot now than risk losing a big pot later by letting the opponent draw for free. Equity in Practice: Full Hand Example Let us walk through a hand that ties together all the equity concepts covered so far. The Setup Game: $1/$2 No-Limit Hold'em, 100bb effective stacks Your hand (Button): A ♥ 9 ♥ Action: Folds to you. You raise to $5. Big Blind calls. Pot: $11 Preflop equity analysis: A9s has roughly 57% raw equity against the Big Blind's typical calling range. Because you are in position, you expect to realize over 100% of that equity, making this a clear open-raise. The Flop Board: K ♥ 7 ♥ 3 ♣ BB checks. You bet $7 into $11. BB calls. Pot: $25 Flop equity analysis: You have a nut flush draw (9 outs) plus an overcard with a backdoor straight. Your raw equity against the opponent's continuing range is around 40-45%. Your bet serves a dual purpose: - Semi-bluff with fold equity: You can win the pot immediately if BB folds hands like small pairs or weak overcards. - Equity denial: If BB holds a hand like Q ♦ T ♦ , your bet forces them to fold a hand that has about 25% equity against you. That equity is denied. The Turn Board: K ♥ 7 ♥ 3 ♣ 2 ♠ BB checks. You bet $18 into $25. BB calls. Pot: $61 Turn equity analysis: The turn brick did not help you, but your flush draw still gives you 9 outs. Using the Rule of 2: 9 x 2 = 18% raw equity. However, your bet generates fold equity against hands like middle pair or weak top pair. Combined with your drawing equity, the bet is profitable. The River Board: K ♥ 7 ♥ 3 ♣ 2 ♠ J ♥ BB checks. You bet $45 into $61. BB folds. River equity analysis: The J ♥ completes your flush. You now have the nut flush and close to 100% equity against any hand. Your bet is pure value: you want to get called by worse hands like top pair, two pair, or lower flushes. In this case, BB folds, but the bet was correct regardless. Your equity journey through the hand was: 57% preflop, 40-45% on the flop, 18% raw on the turn, and 100% on the river. Poker Equity FAQ What is the difference between equity and expected value (EV)? Equity is your share of the pot based on your probability of winning. Expected value factors in your equity, the pot size, your bet size, and your opponent's likely actions. Think of equity as the ingredient and EV as the recipe. A hand can have high equity but negative EV if you are paying too much to play it (for example, calling an overbet with 35% equity when you need 40%). How does equity change from preflop to the river? Equity shifts on every street as new cards are revealed. Preflop, hand equity is relatively stable across all possible boards. Once the flop comes, equity can swing dramatically. A hand like 5 ♥ 5 ♦ has about 50% equity against A ♠ K ♣ preflop, but on a flop of A ♥ K ♦ 8 ♣ , its equity drops to roughly 8%. Conversely, on a flop of 5 ♣ 9 ♠ 2 ♦ , its equity jumps to about 92%. Can I have more than 50% equity and still lose money? Yes. If you have 55% equity but the pot odds require you to risk more than you stand to win, it can be a losing play. Additionally, if you are out of position and realize only 70% of your raw equity, your effective equity might be below 50% in practice. This is why equity realization matters so much for preflop hand selection. How do I practice calculating equity quickly? Start by memorizing common equity matchups: overpair vs. underpair (roughly 80/20), overpair vs. two overcards (roughly 55/45), and flush draw equity on the flop (roughly 36%). Then practice the Rule of 2 and 4 by counting outs in real hands. Tools like GTO Gecko help you build intuition by showing solver-calculated equity in training scenarios, so you develop a feel for the numbers over time. Master Equity Concepts with GTO Gecko Equity is the bedrock of every poker decision. Raw equity tells you where you stand, equity realization tells you how much of that edge you can capture, fold equity gives you an alternative path to winning the pot, and equity denial lets you protect your hands by charging opponents to draw. The best way to internalize these concepts is through practice. GTO Gecko's solver and training modes let you explore equity in real hand scenarios: see how your equity shifts across streets, understand which hands realize well in different positions, and learn when fold equity or equity denial should drive your decisions. Once you have a solid grasp of equity, circle back to related fundamentals like [pot odds](https://gtogecko.com/blog/pot-odds-poker-math), [outs and odds](https://gtogecko.com/blog/poker-outs-and-odds), and [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker). Together, these concepts form the mathematical foundation that every winning poker strategy is built on. ### Poker Tilt: How to Recognize, Prevent & Fix It https://gtogecko.com/blog/poker-tilt-mental-game You can memorize every solver output, nail your preflop ranges, and still lose money at the tables. The reason is almost always the same: poker tilt. Tilt is not a personality flaw or a sign of weakness. It is a predictable emotional response to variance, bad beats, and self-imposed pressure—and it is the single biggest leak in most players' games. The good news is that tilt is a skill problem, and like any skill problem, it can be solved with the right framework. This guide breaks down what tilt actually is, the seven forms it takes, how to catch it early, and how to build the kind of mental resilience that keeps your A-game accessible even when the deck punches you in the mouth. What Is Poker Tilt? Poker tilt is any emotional state that causes you to deviate from your best strategy. Notice the definition says any emotional state, not just anger. Frustration, overconfidence, fear, impatience, and even boredom can push you off your game plan and into decisions that cost you money. When you are tilted, the prefrontal cortex—the part of your brain responsible for rational decision-making—loses influence to the amygdala, which governs fight-or-flight responses. Your thinking becomes reactive instead of deliberate. You start making calls you know are bad, bluffing in spots where you have no fold equity, and ignoring [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) that would normally guide your decisions. Tilt matters because poker is a game of thin edges. Even a small degradation in decision quality, sustained over hundreds of hands, can turn a winning player into a losing one. Understanding [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) means nothing if you abandon it the moment things go wrong. The 7 Types of Poker Tilt Not all tilt looks the same. Identifying the specific type you experience is the first step toward controlling it. Most players deal with two or three of these regularly, even if they only recognize one. 1. Entitlement Tilt You believe you deserve to win because you played the hand correctly. When the board runs out 4 ♥ 7 ♦ 2 ♣ 8 ♠ 8 ♥ and your opponent's 7-4 offsuit makes two pair against your pocket aces, you feel cheated. Entitlement tilt comes from confusing good play with deserved outcomes. Poker does not owe you anything, regardless of how well you played. 2. Revenge Tilt A specific player stacks you, and now you want to get even. You start targeting them, playing pots you should avoid, and making hero calls against them while folding to everyone else. Revenge tilt turns one bad hand into a session-long leak because you stop making decisions based on logic and start making them based on ego. 3. Hate-Losing Tilt Some players cannot accept any loss, no matter how small. Every pot lost feels personal. This mindset creates a compounding problem: you chase losses, loosen your ranges, and press harder in marginal spots—all of which accelerate the bleeding. If you struggle with this type, solid [bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros) is your first line of defense. 4. Injustice Tilt This shows up when you feel like the game is fundamentally unfair. A recreational player who does not understand basic strategy keeps catching perfect river cards. The player to your left keeps waking up with premiums every time you open. Injustice tilt thrives on selective memory: you vividly recall the bad beats but forget the times variance went your way. 5. Mistake Tilt You recognize that you made a clear error—maybe you missed an obvious [GTO deviation](https://gtogecko.com/blog/gto-vs-exploitative) opportunity or failed to adjust your sizing—and now you cannot stop replaying the hand. Mistake tilt is internally generated. Instead of accepting the error and moving on, you punish yourself, and the self-criticism bleeds into subsequent decisions. 6. Running Bad Tilt Extended downswings test even the most disciplined players. After days or weeks of losing despite solid play, doubt creeps in. You start questioning your strategy, second-guessing spots that are clearly profitable, and tightening up in situations where aggression is correct. Running bad tilt is particularly dangerous because it erodes confidence slowly, making it hard to pinpoint when it started. 7. Winner's Tilt The most underrated form. You are running well, stacking opponents, and feeling invincible. So you start playing looser, bluffing more, and overriding solver-approved lines with "instinct." Winner's tilt is sneaky because it feels good. You tell yourself you are in the zone, but really you are just getting sloppy with extra chips in front of you. Quick Tilt Self-Assessment - After a bad beat, do you immediately want to play the next hand aggressively? → Entitlement or Revenge Tilt - Do you feel anxious about your session result while still playing? → Hate-Losing Tilt - Are you thinking about a mistake you made 30 minutes ago? → Mistake Tilt - Have you been running below expectation for 5+ sessions? → Running Bad Tilt - Are you taking shots at bigger pots because you feel "hot"? → Winner's Tilt How to Recognize You're on Tilt Tilt is hardest to fight when you do not realize it is happening. Most players recognize tilt only after the damage is done—reviewing their session and seeing a string of decisions that make no sense in hindsight. Building early awareness is the single highest-ROI mental game skill you can develop. Physical Warning Signs Your body reacts to tilt before your mind consciously registers it. Pay attention to these signals: - Increased heart rate. Your pulse climbs even in spots that should feel routine. - Muscle tension. Jaw clenching, tight shoulders, or gripping the mouse harder than usual. - Shallow breathing. You catch yourself holding your breath or breathing only from the upper chest. - Restlessness. Fidgeting, bouncing your leg, or feeling physically unable to sit still. - Heat in the face or ears. A classic adrenaline response that signals your emotional brain is taking over. Behavioral Warning Signs Actions speak louder than feelings. If you notice any of these patterns, you are likely already on tilt: - Playing more hands. Your VPIP creeps up because folding feels like giving up. - Calling instead of raising or folding. Passive play is a hallmark of emotional decision-making. - Ignoring position. You start playing marginal hands from early position because you are impatient. - Speeding up. Decisions that should take 10 seconds take two. You are reacting, not thinking. - Talking to yourself or cursing. Internal monologue turns hostile. In live poker, you might verbally complain about the deck or the dealer. - Switching to "feel" over strategy. You abandon the [GTO framework](https://gtogecko.com/blog/what-is-gto-poker) you studied and start relying on gut reads. The Two-Hand Rule - After losing a significant pot, pause and observe yourself for the next two hands. - Ask: "Am I making this decision because it's strategically correct, or because I'm reacting to the last hand?" - If the answer is reactive, step away from the table or reduce to one table online for five minutes. Preventing Tilt Before It Starts The best time to deal with tilt is before you sit down. Prevention costs nothing and saves you money that would otherwise evaporate during emotional episodes. If you already follow a [poker warm-up routine](https://gtogecko.com/blog/poker-warm-up-routines), you are ahead of most players. Pre-Session Mental Preparation Spend five minutes before each session on mindset calibration: - Accept variance in advance. Tell yourself explicitly: "I might lose today despite playing well, and that's fine." This is not pessimism. It is mathematical reality. - Set a process goal, not an outcome goal. Instead of "I want to win 5 buy-ins," try "I will fold every hand where I lack a clear strategic reason to continue." - Establish a stop-loss. Decide the maximum number of buy-ins you are willing to lose before standing up. Write the number down. This boundary prevents tilt from snowballing. - Identify your tilt triggers. If you know that bad beats from recreational players set you off, prepare a coping response before it happens. Bankroll as a Tilt Shield Underfunding your poker account is a tilt accelerator. When every buy-in represents a meaningful chunk of your bankroll, losses feel more threatening, and your brain's threat-detection system activates faster. Playing within your [bankroll management guidelines](https://gtogecko.com/blog/bankroll-management-for-pros) reduces the emotional weight of any single session, making tilt less likely to take root. Physical Readiness Mental resilience depends on physical foundations: - Sleep. Decision quality drops measurably after poor sleep. Treat rest as part of your poker strategy. - Nutrition. Blood sugar crashes during long sessions create irritability and impulsive decisions. - Exercise. Regular physical activity lowers baseline stress levels, raising your tilt threshold. - Hydration. Dehydration impairs cognitive function. Keep water at the table, not energy drinks. Recovering From Tilt Mid-Session Prevention is ideal, but tilt will still get through sometimes. The difference between a disciplined player and a losing one is what happens in the first 60 seconds after tilt shows up. Here is a concrete recovery protocol: Step 1: Acknowledge It Say it internally: "I'm tilted right now." This simple act of labeling the emotion engages the prefrontal cortex and begins to counteract the amygdala response. Denial extends tilt. Acknowledgment starts the recovery. Step 2: Reduce Exposure If you are multi-tabling online, drop down to one or two tables immediately. If you are live, sit out a few hands. You do not need to leave the session; you just need to reduce the number of decisions you have to make while your emotional brain is overactive. Step 3: Reset Physically Take three slow, deep breaths. Unclench your jaw. Drop your shoulders. Physically relaxing your body sends a signal to your nervous system that the threat has passed, even if your mind has not caught up yet. Step 4: Refocus on the Next Decision The last hand is gone. Your stack is what it is. The only thing under your control is the quality of the next decision. Ask yourself: "What would I do in this spot on my best day?" Then do that. Step 5: Evaluate Whether to Continue Be honest with yourself. If the recovery steps work and you feel your decision-making sharpen within five to ten minutes, play on. If the emotional noise persists, quitting the session is the highest-EV play available. There will always be another game. Your bankroll cannot always absorb another hour of C-minus poker. The 10-Minute Rule - After a tilt episode, give yourself exactly 10 minutes of focused play. - If you make a decision during those 10 minutes that you know is emotionally driven, shut the session down. - If every decision passes the "would I do this on my best day?" test, continue playing. - No bargaining. No exceptions. Trust the rule. Building Long-Term Mental Resilience Quick-fix recovery techniques handle individual tilt episodes, but lasting improvement comes from changing how you relate to the game over weeks and months. Mental resilience is not something you are born with. It is something you build. Embrace Variance Through Study Players who truly understand variance tilt less. When you have run simulations, seen the equity distributions, and know that even a strong edge produces losing stretches of thousands of hands, bad beats lose their emotional charge. Use tools like GTO Gecko to drill specific spots until you trust the math more than you trust the feeling in your gut. Review Sessions for Process, Not Results After every session, ask two questions: - Did I follow my strategic plan? - Did I maintain emotional control? If both answers are yes, the session was a success regardless of the dollar result. If either answer is no, identify the exact hand or moment where things broke down. Tag it, study it, and prepare a response for next time. When the result itself keeps changing your verdict, the [result-blind review protocol](https://gtogecko.com/blog/results-oriented-poker) separates the decision grade from the runout. This is the same approach you would take with a technical leak—treat mental game leaks with the same discipline. Build a Tilt Journal Track every tilt episode in a simple log: - Trigger: What happened right before you tilted? - Type: Which of the seven types was it? - Response: What did you do? Did you recover or spiral? - Cost: Estimate how many big blinds the tilt episode cost you. After 20 entries, patterns will emerge. You will see which triggers hit hardest, which types recur, and whether your recovery is improving. Data beats guesswork, in poker strategy and in mental game work. Separate Identity From Results If winning makes you feel like a good person and losing makes you feel worthless, you have tied your self-worth to outcomes you cannot control. This is the deepest root of tilt. You are not your results. You are the quality of your decisions. A player who makes correct folds, well-timed bluffs, and disciplined [bet sizing adjustments](https://gtogecko.com/blog/poker-betting-patterns) is a good player whether they finish up or down in any given session. Study Consistently, Not Emotionally Many players only study after a bad session, reviewing hands frantically to figure out "what went wrong." This reactive approach reinforces the connection between losing and emotional distress. Instead, schedule regular study sessions—before or between playing sessions—where you analyze spots from a place of calm curiosity. Use GTO Gecko to practice spots that frequently trigger tilt, so you have practiced the correct response before the emotional pressure hits. Poker Tilt FAQ Is some tilt inevitable, or can you eliminate it completely? Some emotional response to losing is normal and human. The goal is not to become a robot; it is to shorten the duration and reduce the intensity of tilt episodes so they cost you as little as possible. Most players can reduce their tilt-related losses by 70-80% with consistent mental game work. Total elimination is unrealistic, but near-total control is achievable. How long does it take to fix a serious tilt problem? If you are honest about your triggers and commit to daily journaling and pre-session preparation, most players see meaningful improvement within four to six weeks. Deep-seated tilt issues tied to self-worth or financial pressure may take longer and benefit from working with a mental game coach. Should I quit every time I feel tilted? Not necessarily. Mild tilt can be managed mid-session using the recovery steps above. Quitting should be reserved for episodes where your recovery techniques fail and you recognize that your decision quality has dropped below acceptable levels. However, if you are unsure, quitting is always the safer choice. You never regret leaving a session early, but you often regret staying too long. Does studying GTO actually help with tilt? Yes, significantly. When you have studied a spot thoroughly—running it through a solver and drilling the correct frequencies—you have confidence in your decisions regardless of the outcome. That confidence is a buffer against tilt. You know your call was correct even when the river brings the one card you did not want to see. Understanding [GTO fundamentals](https://gtogecko.com/blog/what-is-gto-poker) gives you a stable anchor when emotions try to pull you off course. Master Your Mental Game Poker tilt is not a character flaw. It is a predictable, manageable challenge that every serious player faces. The players who climb the stakes and sustain winning records over years are not the ones who never tilt—they are the ones who learned to recognize it fast, recover quickly, and build systems that prevent it from recurring. Start small. Pick the one tilt type that costs you the most, build a specific response plan for it, and track your progress over the next 20 sessions. Combine that mental game work with disciplined technical study using GTO Gecko, and you will find that your worst sessions start looking a lot more like your average ones—which is where the real money is. The edge is not just in knowing the right play. It is in being able to execute the right play when everything inside you is screaming to do something else. That is the mental game. That is where winners are made. ### Short Stack Strategy: Push-Fold & Survival https://gtogecko.com/blog/short-stack-strategy Every tournament player ends up short stacked. It does not matter how well you play the early and middle stages, blinds escalate, coolers happen, and suddenly you are staring at a 12bb stack with the bubble approaching. The good news: short stack poker is one of the most solvable areas of the game. If you learn the math behind push-fold charts, understand when to re-steal, and respect ICM pressure, you can turn a short stack into a deep run far more often than the average player. This guide breaks down short stack strategy in poker tournaments from the ground up. You will learn exact stack-size thresholds, position-based shove ranges, re-steal tactics for the 10-20bb zone, and the [ICM adjustments](https://gtogecko.com/blog/icm-poker-strategy) that separate survivors from punters. What Is a Short Stack? In tournament poker, a short stack is generally any holding under 25 big blinds. At that depth, your postflop options shrink dramatically because you cannot make standard raises and still fold comfortably. Most professionals break short stacks into three zones: - Comfortable short (20-25bb): You can still open-raise, 3-bet, and play postflop, but your margin for error is thin. One lost pot can push you into the danger zone. - Danger zone (10-20bb): Open-shoving and re-shoving become your primary weapons. Min-raising is still viable in some spots, but every chip committed preflop represents a significant portion of your stack. - Push-fold zone (under 10bb): Math takes over almost entirely. You either go all-in or fold. There is very little room for any other action. Understanding which zone you occupy at any given moment dictates your entire strategic approach. A 22bb stack and an 8bb stack require completely different game plans, even though both qualify as "short." If you are unsure how [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) shifts at different stack depths, start there before drilling the charts below. Stack depth in big blinds and ante pressure are separate measurements. If the tournament uses a big-blind ante, our [BB-versus-M calculator](https://gtogecko.com/blog/big-blind-ante-stack-m-ratio) shows the scheduled full-orbit cost before you apply any strategy chart. The Push-Fold Zone (Under 10bb) When your stack drops below 10 big blinds, the game simplifies to a binary decision: shove or fold. Limping or min-raising at this depth is almost always a mistake because you lack the chips to leverage fold equity postflop. The power of shoving comes from forcing your opponents to call your entire stack or surrender the blinds and antes, and at 6-8bb the fold equity alone makes many marginal hands profitable pushes. How Push-Fold Math Works A push-fold decision boils down to comparing your risk (your remaining stack) against your reward (the blinds, antes, and dead money already in the pot). At a 9-handed table with antes, the pot often contains 2.5-3bb before the action reaches you. When you shove 7bb, opponents need a reasonably strong hand to call, which means you pick up the pot uncontested a significant portion of the time. Solvers calculate the exact expected value of shoving each hand from each position. The ranges below are approximate equilibrium shove ranges for a 9-handed table at 8bb effective with standard antes: Approximate 8bb Push Ranges by Position - UTG: 22+, A8s+, ATo+, KTs+, KQo (~12% of hands) - MP: 22+, A5s+, A9o+, KTs+, KJo+, QJs (~16% of hands) - CO: 22+, A2s+, A7o+, K8s+, KTo+, Q9s+, QJo, J9s+, T9s (~25% of hands) - BTN: 22+, A2s+, A2o+, K2s+, K7o+, Q5s+, Q9o+, J7s+, JTo, T8s+, 97s+, 87s (~40% of hands) - SB: 22+, A2s+, A2o+, K2s+, K4o+, Q2s+, Q8o+, J5s+, J8o+, T6s+, T9o, 96s+, 86s+, 76s (~50% of hands) Notice the massive difference between UTG and the button. [Position](https://gtogecko.com/blog/poker-position-strategy) is everything in push-fold poker. From early position you need to survive the gauntlet of players behind you, each of whom could wake up with a premium hand. From the button, only the two blinds remain, and their calling ranges are constrained because they must risk their chips against your full shove. Calling Shoves as the Big Blind When someone shoves into you and you are in the big blind, your calling range depends on the shover's position, stack size, and the pot odds you are getting. Against a button shove of 8bb into a 3bb pot, you need to call 7bb more to win about 11bb, giving you pot odds of roughly 39%. That means you call with any hand that has at least 39% equity against the shover's estimated range. In practice, this translates to calling ranges that are tighter than most recreational players assume. Against a 40% button range, you still fold hands like K ♥ 4 ♣ and Q ♦ 7 ♠ because they are dominated too often. Your calling range is closer to any pair, A7o+, A2s+, KTo+, K9s+, QTs+, and JTs. The Re-Steal Zone (10-20bb) The 10-20bb zone is where skilled tournament players separate themselves. You have enough chips to apply real pressure but not enough to play deep-stacked poker. The two primary weapons here are the open-shove and the re-shove (re-steal). Open-Shove vs. Min-Raise With 10-15bb, open-shoving is often your best option from late position. You maximize fold equity by putting your opponents to a decision for their tournament life (or a significant chunk of their stack). However, there is a case for min-raising with some hands at 13-20bb, particularly from later positions: - Min-raise with premium hands (AA, KK, QQ, AK): You want action. A min-raise looks less threatening and encourages [3-bets](https://gtogecko.com/blog/what-is-a-3-bet) or calls from hands you dominate. - Min-raise with playable hands (suited broadways, medium pairs): You preserve chips if you face a shove and need to fold, while still picking up blinds when everyone folds. - Shove with mid-strength hands (A8o, KJo, suited connectors): These hands play poorly postflop with a short stack but have enough equity to be profitable shoves. The key is that your min-raising and shoving ranges should be balanced so opponents cannot easily distinguish your monsters from your marginal hands. GTO Gecko's preflop solutions map out exactly which hands belong in each category at each stack depth. Re-Shoving Over Opens The re-steal is one of the most profitable plays in tournament poker when executed correctly. When a late-position player opens with what is likely a wide range, you can shove over the top from the blinds or from one position behind. The opener has committed chips with a range that includes many hands they cannot call a shove with, giving you immediate fold equity plus equity when called. Re-Shove Example - Situation: Blinds 1000/2000/2000 ante. You have 28,000 chips (14bb) in the big blind. - Action: The cutoff opens to 4,400 (2.2x). It folds to you. - Your hand: A ♠ 9 ♥ - Analysis: The pot is already 9,400. You shove 26,000 more (your stack minus the BB you already posted). The cutoff must call 23,600 to win 37,400, needing about 39% equity. Against a standard CO opening range, A9o has strong equity and the fold equity alone makes this a clear shove. - Result: The cutoff folds K ♣ T ♦ and you pick up 9,400 chips, boosting your stack to roughly 18bb. Ideal re-shove candidates are hands with good equity when called (suited aces, broadway cards, medium-to-small pairs) from stack sizes of roughly 10-18bb. Below 10bb, any shove looks the same whether it is a re-steal or a standard push. Above 18-20bb, a [3-bet to a non-all-in size](https://gtogecko.com/blog/what-is-a-3-bet) becomes viable instead. ICM Considerations When Short Stacked In a cash game, every chip is worth the same. In a tournament, your stack's real-money value shifts based on the prize pool, remaining players, and stack distribution. This is the [Independent Chip Model (ICM)](https://gtogecko.com/blog/icm-poker-strategy), and it fundamentally changes short stack strategy. Bubble Dynamics On the money bubble, survival carries enormous value. If you are one of the shortest stacks, your push range should tighten because busting before the money costs you the guaranteed min-cash. Meanwhile, the big stacks can exploit this by shoving relentlessly into medium stacks who are terrified of bubbling. As the short stack, look for spots where you can push into other short stacks (who also cannot call loosely) rather than into the chip leader who can snap you off risk-free. Pay Jump Ladders Beyond the bubble, every elimination boosts your prize equity. When two other players are shorter than you and a significant pay jump is approaching, tighten up and let them collide. This is one of the few scenarios where folding even strong hands like A ♠ Q ♥ can be correct if there is a near-certain bust coming at another table. For a deeper dive into satellite-specific survival dynamics where ICM pressure is even more extreme, see our [satellite strategy guide](https://gtogecko.com/blog/poker-satellites). Short Stack Example Hands Theory matters, but seeing it applied to real situations makes it stick. Here are three tournament hands that demonstrate short stack decision-making. Hand 1: Standard Push-Fold at 7bb Scenario - Tournament: $55 MTT, 200 players remain, 180 get paid. - Blinds: 2,000/4,000/4,000 ante. - Your stack: 28,000 (7bb) on the button. - Your hand: K ♦ 8 ♦ - Action: Folds to you. - Decision: Shove. K8s is a clear push from the button at 7bb. You have two live cards, a flush draw possibility, and will pick up 10,000 in blinds and antes uncontested often enough to make this profitable. Folding here bleeds you down to 6bb before the blinds hit you again. Hand 2: Re-Steal from the Small Blind at 13bb Scenario - Tournament: $109 Sunday tournament, 85 players remain, 72 get paid. - Blinds: 3,000/6,000/6,000 ante. - Your stack: 78,000 (13bb) in the small blind. - Your hand: Q ♣ J ♠ - Action: Hijack opens to 12,000. Folds to you. - Decision: Shove. The hijack is opening a wide range at this stage, and QJo has enough equity to justify a re-shove. You risk 75,000 to pick up 24,000 in dead money (BB + ante + hijack's open). Even if called, you have roughly 40% equity against a reasonable calling range of 88+, ATs+, AJo+, KQs. The fold equity makes this clearly profitable. Hand 3: ICM Fold Near the Bubble at 9bb Scenario - Tournament: $215 MTT, 46 players remain, 45 get paid. Min-cash is $420. - Blinds: 5,000/10,000/10,000 ante. - Your stack: 90,000 (9bb) in the big blind. - Your hand: A ♥ T ♣ - Action: The chip leader (65bb) shoves from the small blind. - Decision: Fold. In a chip-EV vacuum, calling is standard. But with one player to bust before the money and two other stacks at 5-6bb, your ICM incentive to survive is enormous. The $420 min-cash is nearly locked in if you fold here and let the micro stacks bust first. ATo does not have enough equity against even a wide SB shoving range to justify risking your tournament life on the exact bubble. Common Short Stack Mistakes Avoiding these errors is just as important as knowing the correct plays. Most short stack mistakes come from either playing too passively or ignoring the math. - Waiting for a premium hand: The biggest leak recreational players have. If you fold everything except AA-QQ and AK, the blinds and antes will consume your stack in a few orbits. Push-fold charts exist because hands like K ♠ 9 ♠ and Q ♥ T ♥ are profitable shoves from the right position at the right stack depth. - Limping or min-raising with a tiny stack: At 6-8bb, raising to 2x and folding to a 3-bet is catastrophic. You burn 2bb for nothing. Either shove for maximum fold equity or fold and wait for a better spot. - Ignoring position entirely: Shoving A ♦ 5 ♣ under the gun at 8bb is a losing play; shoving it on the button is profitable. The same hand swings from -EV to +EV purely based on how many players remain to act behind you. - Failing to adjust for ICM: Pushing a wide range on the exact money bubble when two players have 3bb each is torching equity. Let the micro stacks bust and lock in your min-cash first. Review our full [ICM strategy breakdown](https://gtogecko.com/blog/icm-poker-strategy) if this concept is new to you. - Not studying push-fold charts: These charts are freely available and trivial to memorize for the most common stack sizes. Players who rely on "feel" at 8bb are leaving money on the table compared to those who have drilled the solver-approved ranges. Tools like GTO Gecko let you test your push-fold instincts against optimal solutions so you can close the gap quickly. Short Stack FAQ What stack size is considered short in a tournament? Most players and coaches define a short stack as anything under 25 big blinds. Under 15bb is critically short, and under 10bb places you firmly in push-fold territory where the math dictates nearly every decision. The exact threshold shifts slightly based on antes and table dynamics, but 25bb is the widely accepted cutoff. Should I always shove or fold under 10bb? In the vast majority of spots, yes. There are rare exceptions, such as completing in the small blind against a passive big blind when you have a speculative hand and pot odds, or when you are certain your opponent will fold to a min-raise. But as a baseline strategy, shove or fold is optimal. The solver confirms this: at 8bb, the expected value difference between shoving and min-raising is negligible for premium hands but heavily favors shoving for marginal hands because of the fold equity. How do I memorize push-fold ranges? Start with 8bb and 12bb from the button, cutoff, and small blind, as these are the most common spots. Drill them in GTO Gecko's trainer mode until the decisions become automatic. Then expand to other positions and stack sizes. Most charts follow logical patterns: pairs are always shoves, suited aces gain value with position, and offsuit broadways require later position to be profitable. Once you see the patterns, memorization becomes straightforward. How does [GTO](https://gtogecko.com/blog/what-is-gto-poker) push-fold strategy differ from an exploitative approach? GTO push-fold charts assume opponents play optimally. In reality, many players call too tight or too wide. Against tight callers, you should shove wider than the GTO chart suggests because you pick up the blinds more often. Against loose callers, tighten your range and shove hands with stronger equity. The GTO baseline gives you a guaranteed profitable strategy; exploitative adjustments increase your edge against specific opponents. Use solvers to understand the baseline, then deviate based on reads. Our article on [understanding ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) can help you identify opponent tendencies. Sharpen Your Short Stack Game Short stack strategy is one of the highest-ROI areas you can study as a tournament player. The situations repeat constantly, the math is solvable, and the edge over opponents who play on feel is substantial. Start by memorizing push-fold ranges for your most common stack sizes. Then layer in re-steal spots from the 10-20bb zone. Finally, incorporate ICM awareness so you know when to deviate from chip-EV optimal play. GTO Gecko's preflop trainer and solver solutions are built to accelerate this process. Load up common short stack scenarios, test yourself against optimal ranges, and review the spots where your instincts diverge from the solver. If you are deciding which push-fold tool to buy, our [ICMIZER alternatives roundup](https://gtogecko.com/blog/icmizer-alternatives) compares the verified 2026 prices. Pair this with solid [bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros) so you can absorb the variance that comes with tournament poker, and you will find yourself converting short stacks into deep runs far more consistently. ### GTO Gecko Postflop Solver: Every Feature Explained https://gtogecko.com/blog/gto-gecko-postflop-solver-features-guide GTO Gecko is a mobile poker solver and training app designed to help you study game theory optimal (GTO) poker strategy on your phone, tablet, or Mac. Unlike desktop-only solvers that require powerful hardware, GTO Gecko runs precomputed solutions instantly and includes a built-in solver, a hands-on trainer, performance statistics, and more — all in one app. In this guide, we'll walk through every major feature so you know exactly what the app offers and how to use it to improve your game. The Postflop Solver: Explore GTO Solutions for Any Spot The postflop solver is the core feature of GTO Gecko. It lets you browse precomputed GTO solutions for thousands of poker scenarios — every common board texture, from flop through river, across multiple positions and stack depths. How the Postflop Solver Works When you open the solver, you select: - Game type: Cash game, MTT (multi-table tournament), or Spins - Preflop scenario: The action that led to the flop (e.g., button opens, big blind calls) - Board: The community cards on the flop, turn, and river The app instantly loads the full game tree for that scenario. You can navigate through every possible action — checks, bets, raises, calls, folds — and see exactly what the GTO strategy recommends for every hand in both players' ranges. What You See in the Solver For each decision point, the solver displays: - Strategy frequencies: How often each hand should bet, check, raise, or fold - Expected value (EV): The theoretical value of each action - Range visualization: Color-coded grids showing the entire range strategy at a glance - Bet sizing breakdowns: Multiple bet sizes with frequency and EV for each Aggregated Reports Beyond individual hands, the solver provides aggregated reports that show overall tendencies for the full range. This helps you identify patterns like how often the out-of-position player should check-raise on a given board texture, or what percentage of the in-position player's range bets large versus small. These reports are invaluable for building generalizable takeaways you can apply across similar board textures. To learn how to read and interpret these outputs effectively, check out our guide on [making sense of poker solver outputs](https://gtogecko.com/blog/how-to-use-poker-solver). Custom Solving: Analyze Your Own Hands One of GTO Gecko's most powerful features is the built-in custom solver. This lets you set up any postflop scenario and solve it directly on your device — no desktop computer needed. You define the board, ranges, pot size, stack sizes, and bet sizes, and the solver computes the GTO solution. The solver uses dynamic bet sizing based on the stack-to-pot ratio (SPR), automatically adjusting available bet sizes for realistic play. Free Tier The free tier keeps the preflop library open and lets you try the trainer, so you can test the app before subscribing for the full solver. The Preflop Solver: Complete Ranges for Every Situation The preflop solver covers every preflop situation you will encounter at the poker table: - All positions: UTG, MP, CO, Button, Small Blind, Big Blind - All action types: Opens (RFI), 3-bets, 4-bets, cold calls, squeezes - Multiple stack depths: From short-stacked tournament play to deep-stacked cash games - Game types: Cash game ranges, MTT ranges, and Spins ranges — each solved separately because the correct strategy differs based on format The preflop ranges display exact frequencies for every hand, so you know not just which hands to play, but how often to take each action with mixed strategy hands. For a deeper look at how GTO range charts work, read our article on [GTO range charts explained](https://gtogecko.com/blog/preflop-charts-opening-ranges). The Trainer: Practice GTO Decisions and Build Muscle Memory Studying solutions is one thing. Training your decision-making under pressure is another. The GTO Gecko trainer is a hands-on practice mode that puts you in realistic poker scenarios and tests whether you make the GTO-correct play. Postflop Trainer The postflop trainer deals you random hands on random boards in common preflop scenarios. At each decision point, you choose your action — check, bet small, bet large, raise, fold — and the trainer tells you whether you matched the GTO strategy. This builds pattern recognition and muscle memory so that correct decisions become automatic at the table. Understanding concepts like [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) and [betting patterns](https://gtogecko.com/blog/poker-betting-patterns) becomes second nature with consistent practice. Preflop Trainer The preflop trainer works the same way for preflop decisions. It puts you in various positions and scenarios and asks what you would do with your hand. It supports training across all game types (cash, MTT, spins) and lets you configure which scenarios to focus on. Trainer Customization You can customize the trainer to focus on the spots you struggle with the most. Select specific positions, game types, and action types to practice. This targeted approach is far more efficient than random practice. Statistics and Performance Tracking GTO Gecko tracks your training performance with a comprehensive statistics dashboard: - Accuracy tracking: See your overall accuracy percentage and how it changes over time - ELO rating system: A skill ranking that goes up when you make correct decisions and down when you make mistakes, giving you a concrete measure of your GTO knowledge - EV loss analysis: See not just whether your decisions were wrong, but how much EV they cost you - Mistake categorization: The app categorizes your mistakes by type (pure mistakes vs. frequency mistakes) and by spot (flop, turn, river) - Hand strength analysis: See how you perform with different hand categories (strong hands, medium hands, bluffs) - Positional breakdown: Track your accuracy by position and game situation - Performance charts: Visual charts showing your accuracy and ELO over time The statistics section turns training into a measurable process. Instead of vaguely hoping you're improving, you can track concrete numbers and identify exactly where your leaks are. Achievement System GTO Gecko includes an achievement system that rewards milestones in your training journey. Achievements unlock as you hit targets like completing a certain number of training hands, reaching ELO thresholds, or maintaining accuracy streaks. This gamification element adds motivation to keep training consistently — which is the real key to improving at poker. Game Type Support: Cash Games, MTTs, and Spins Not all poker formats play the same. GTO Gecko solves and trains for three distinct game types: - Cash games: Deep-stacked play with 100bb+ stacks and standard bet sizing - MTT (tournaments): Various stack depths reflecting tournament stages, with [ICM-adjusted strategies](https://gtogecko.com/blog/icm-poker-strategy) for later stages - Spins (hyper-turbos): Short-stacked, fast-paced play with push/fold and short-stack strategies Each game type has its own dedicated solutions and trainer mode, so you study the strategies that actually apply to the format you play. Multi-Platform Support GTO Gecko is available on: - iOS (iPhone and iPad) - Android (phones and tablets) - macOS (Mac App Store) Your subscription syncs across devices via account linking, so you can study on your phone during a commute and continue on your tablet or Mac at home. 40+ Languages Supported The app supports over 40 languages, making it accessible to the global poker community. Whether you speak English, Spanish, Portuguese, Chinese, Japanese, Vietnamese, German, French, or dozens of other languages, you can use GTO Gecko in your native language. Dark and Light Theme The app offers both dark and light themes. The dark theme is popular for late-night study sessions and reduces eye strain during long practice sessions. You can switch themes from the settings page at any time. Free Tier: What You Get Without Paying GTO Gecko's free tier includes: - Access to preflop ranges: Browse basic preflop solutions - Trainer access: Practice GTO decisions in a limited number of scenarios - Statistics tracking: Monitor your performance even on the free tier The free tier lets you try the app risk-free before deciding whether to subscribe. No credit card required. Pro Subscription: Unlock Everything The Pro subscription unlocks the full library of solutions and unlimited training. You can subscribe per game type (cash game only, MTT only, or spins only) or get the Pro plan for access to everything. Subscriptions are handled through the App Store (iOS/Mac) or Google Play (Android), with cross-device sync included. How GTO Gecko Compares to Desktop Solvers Desktop solvers like PioSolver and GTO Wizard are powerful tools, but they have limitations that GTO Gecko addresses: Feature Desktop Solvers GTO Gecko Platform Windows/Mac desktop only iOS, Android, macOS Solve time Minutes to hours per solve Instant (precomputed) + custom solver Hardware needed Powerful PC with lots of RAM Any smartphone or tablet Built-in trainer Usually no Yes — postflop and preflop ELO/statistics No Yes — full performance tracking Study anywhere At your desk only Phone, tablet, or Mac — anywhere GTO Gecko doesn't replace desktop solvers for advanced custom solving. Instead, it complements them by giving you a way to study and train anywhere, with instant access to thousands of precomputed solutions and a built-in trainer to test your knowledge. For a broader comparison, see our article on the [best GTO apps and platforms](https://gtogecko.com/blog/best-gto-apps-platforms). Getting Started with GTO Gecko Here's how to get the most out of the app as a new user: - Download the app from the [App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver) - Start with the preflop ranges to make sure your preflop game is solid - Move to the postflop solver and study common board textures in positions you play most often - Use the trainer daily to build muscle memory and track your progress - Review your statistics weekly to identify leaks and focus your study time - Study the preflop library first to lock in a solid foundation across every position and format Study Tip: Generalize, Don't Memorize Don't try to memorize every solution. Instead, look for patterns across similar boards. For example, study how the solver's strategy changes on Ace-high boards across different positions, or how [bet sizing shifts with different stack depths](https://gtogecko.com/blog/poker-betting-patterns). These general concepts — like understanding [what GTO poker really means](https://gtogecko.com/blog/what-is-gto-poker) — are what you'll actually use at the table. Frequently Asked Questions Is GTO Gecko free to use? Yes. GTO Gecko has a free tier with unlimited preflop range browsing, trainer access, and statistics tracking. No credit card required. What platforms does GTO Gecko support? GTO Gecko is available on iOS (iPhone and iPad), Android, and macOS. Your subscription syncs across all devices. Does GTO Gecko work offline? Once solutions are downloaded, you can browse them offline. The trainer and custom solver require an internet connection for downloading new data. How is GTO Gecko different from PioSolver or GTO Wizard? GTO Gecko is a mobile-first app that provides instant access to precomputed GTO solutions plus a built-in trainer and ELO system. Desktop solvers are more flexible for custom analysis but require powerful hardware and don't include training modes. What game types does GTO Gecko cover? GTO Gecko covers cash games, MTTs (multi-table tournaments), and Spins (hyper-turbo sit-and-gos). Each format has dedicated solutions and trainer modes. How many languages does GTO Gecko support? Over 40 languages, including English, Spanish, Portuguese, Chinese, Japanese, Vietnamese, German, French, Korean, and many more. Can I use GTO Gecko for preflop and postflop study? Yes. The app includes both a full preflop solver with ranges for every position and scenario, and a postflop solver with thousands of board textures from flop through river. How does the ELO rating system work? Your ELO rating increases when you make correct GTO decisions in the trainer and decreases when you make mistakes. It's a skill-based ranking that gives you a concrete measure of how well you understand GTO strategy. Start Improving Your Poker Game Today Whether you're a tournament grinder, cash game regular, or spin-and-go specialist, GTO Gecko gives you the tools to study and train GTO strategy anywhere. Download the app, start with the free tier, and see how quickly your game improves when you have a structured study tool in your pocket. Ready to level up? [Download GTO Gecko on the App Store](https://apps.apple.com/us/app/gto-gecko-solver-and-trainer/id6738748434) or [Google Play](https://play.google.com/store/apps/details?id=com.pekasoftware.gtopostflopsolver.gto_postflop_solver). ### PLO Gecko (formerly PLO Edge): The Complete Omaha Training App (2026) https://gtogecko.com/blog/plo-edge-omaha-poker-trainer-guide Pot Limit Omaha is growing faster than any other poker variant, yet GTO training tools for PLO remain scarce. PLO Gecko (formerly PLO Edge) is a dedicated Omaha training app built by the GTO Gecko team. It covers solver-backed preflop ranges for both 4-card and 5-card PLO, 31 structured training modules, postflop training in solver-built pots, native river solving in PLO5 full-hand drills, and a full progression system with ELO ranks and daily streaks, all on your phone. The app is on the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388), where it holds 4.5 stars on the US storefront as of August 2026, and on [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer). This guide walks through every feature so you can decide if PLO Gecko fits your study routine and get the most out of it from day one. Why PLO Needs Its Own Training App Hold'em solvers and trainers are everywhere, but PLO is fundamentally different. Four hole cards instead of two means the number of starting hand combinations explodes from 1,326 in Hold'em to 270,725 in PLO, and 5-card PLO pushes it to 2,598,960. Suitedness alone splits into five categories (rainbow, single suited, double suited, triple suited, and monotone), each affecting playability in ways that don't exist in two-card games. Generic poker tools can't handle this complexity properly. PLO Gecko was built from the ground up for Omaha, with solver data, training modules, and feedback systems designed specifically for four-card and five-card poker. If you want to understand how [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) applies to PLO, this is where you start, and if the Omaha fundamentals are still new, our [PLO strategy guide](https://gtogecko.com/blog/plo-strategy-guide) covers the ground rules. The Preflop Range Viewer: GTO Solutions at Your Fingertips The range viewer is the foundation of PLO Gecko. It is an interactive browser for solver-backed GTO preflop ranges in both PLO4 and PLO5, showing the exact solver frequencies and EV for every hand. Four Ways to View Ranges You can browse ranges in four layouts: - Grid view: a visual overview showing every hand with color-coded action frequencies - List view: a detailed hand-by-hand breakdown with exact frequencies and EV data - Column view: hands grouped by action for quick pattern recognition - Matrix view: a structured overview for scanning a whole range at once Filtering and Sorting PLO has far too many hands to browse without filters. PLO Gecko lets you filter by hand category, by suitedness (rainbow, single suited, double suited, triple suited, or monotone), and by action, and you can sort hands by EV or by frequency. Each hand displays the exact action frequencies and expected values, so you can see not just what to do but why, and how much EV each decision gains or loses. This is the same data-driven approach used in [building and reading range charts](https://gtogecko.com/blog/preflop-charts-opening-ranges), adapted for Omaha. Coverage The range viewer covers: - All 6 positions (UTG, HJ, CO, BTN, SB, BB) - PLO4 scenarios from raise-first-in through facing opens, 3-bet pots, 4-bet pots, squeezes, blind defense, and short-stack play - PLO5 preflop ranges solved at 100bb Structured Training: 31 Modules Across PLO4 and PLO5 Knowing the GTO ranges is one thing. Internalizing them under pressure is another. PLO Gecko structures your training into 31 modules organized by scenario type, and 14 of them are dedicated PLO5 preflop modules. The Scenario Families Scenario family What you drill RFI Raise-first-in ranges from every position Facing opens Calling and raising against opens 3-bet pots 3-betting and playing against 3-bets 4-bet pots 4-betting and defending against 4-bets Squeezes Attacking an open plus callers Blind defense Small blind and big blind play against steals Short-stack play Adjustments when stacks get shallow Every decision inside a module is scored against solver-based GTO frequencies and EV. Move quality is graded on a scale from perfect to blunder, you see the EV cost of each mistake, and each session ends with a grade so you know whether the range is actually sticking. Position Drills Position drills run across UTG, HJ, CO, BTN, SB, and BB, so you can isolate the seat that leaks the most and hammer it until the numbers move. PLO5 Support: The Five-Card Game, Fully Trained Version 1.3.0, released in July 2026, added full 5-card PLO support. You switch between PLO4 and PLO5 in one tap, and progress is tracked separately per variant, so your five-card stats never blur into your four-card ones. The PLO5 side includes: - 14 dedicated PLO5 preflop modules - Solver-backed PLO5 preflop ranges at 100bb , browsable in the range viewer with exact frequencies and EV per hand - Native river solving on iPhone and iPad: PLO5 full-hand drills run from flop to river, and the river is solved natively on your device - Separate progress tracking with per-variant accuracy and EV-loss trends The five-card game punishes loose four-card habits hard, because equities compress further and the nuts arrive more often. If PLO5 is new territory, our [PLO5 strategy guide](https://gtogecko.com/blog/plo5-strategy) covers what the fifth card changes and how to adjust. Postflop Training: Solver-Built Pots From Flop to River PLO postflop play is where most edges exist. With more cards and more possible draws, the decision trees are far more complex than in Hold'em. PLO Gecko trains flop, turn, and river decisions in solver-built single-raised pots, with multi-street hands that use realistic bet sizing across 14 position matchups (BB vs BTN, SB vs CO, and so on). In PLO5, full-hand drills go a step further: the river is solved natively on iPhone and iPad, so the final street is graded by a fresh solve rather than a canned scenario. To be clear about the limit, PLO Gecko does not build custom postflop trees the way desktop solvers do. What it delivers is structured multi-street training with solver feedback on every decision. If you are already familiar with [GTO betting patterns](https://gtogecko.com/blog/poker-betting-patterns) in Hold'em, the postflop trainer helps you understand how those concepts shift in Omaha, where nut advantages change more frequently and draws are stronger. Mixed Strategies: The RNG Dice Many PLO preflop decisions are mixed strategies: a hand raises 65 percent of the time and folds 35 percent, for example. PLO Gecko includes RNG dice for exactly this, so you practice executing mixed strategies at the correct frequencies instead of always taking the same action with the same hand. How Mixed Strategies Work You hold A ♠ K ♥ J ♠ T ♦ on the button, and the GTO strategy raises it 65 percent of the time. The RNG rolls, you map the roll to the action, and over hundreds of hands you learn to execute frequencies rather than just memorize them. That skill separates competent players from true GTO practitioners. ELO Rating: More Than 30 Ranks PLO Gecko tracks a chess-style ELO rating with more than 30 ranks, tracked separately for PLO4 and PLO5. The progress dashboard shows accuracy and EV-loss trends per variant, and the session history keeps hand-by-hand replays so you can revisit exactly where a session went wrong. Achievements, Streaks, and Leak Detection More than 60 achievements and daily streaks keep the habit alive, which matters more than it sounds: short daily sessions beat occasional marathons for range retention. The leak detection system does the diagnostic work. It flags over-folding, passivity, and over-aggression, breaks your results down by position, pot type, hand category, and stack size, and builds a style profile that places you on the tight/loose and aggressive/passive axes. That is far more actionable than generic advice: it tells you specifically where your game diverges from optimal, similar to how [understanding blockers](https://gtogecko.com/blog/blockers-unblockers) turns vague instincts into specific folds and raises. Theory Lessons and Quizzes For players who prefer guided learning over pure drilling, PLO Gecko includes theory lessons with quizzes on the concepts that make Omaha its own game: PLO versus Hold'em, the nut mindset, pot-limit betting, position, and bankroll and variance. A placement quiz points you to the right starting level, which is especially useful for players transitioning from Hold'em. Additional Tools: Equity Calculator, Wrap Analyzer, Hand Rankings Monte Carlo Equity Calculator Calculate Omaha equities with Monte Carlo simulation. Equity shifts more dramatically in four-card and five-card poker than in Hold'em, so having a dedicated calculator matters. Wrap Analyzer Wraps are straight draws unique to Omaha where multiple cards work together. A big wrap can carry more equity than a flush draw. The wrap analyzer breaks down your straight draw possibilities and grades your nut outs, a skill directly relevant to [understanding outs and odds](https://gtogecko.com/blog/poker-outs-and-odds) in Omaha. Hand Ranking Lookup Look up where any starting hand ranks. It is a fast way to calibrate your intuition about which holdings are actually premium and which only look it. Platforms and Languages PLO Gecko runs on iPhone, iPad, and Android, and supports more than 65 languages. It is an educational app: there is no real-money gambling and no poker table gameplay, just training. Free Tier vs Premium The free tier includes 25 free training hands and 50 free range lookups per day, enough to run a real daily study block without paying. The Premium subscription, available as monthly and yearly plans, unlocks unlimited training, full analytics, and every tool. Check the store listing for current pricing in your region. Compared to desktop PLO solvers that cost hundreds of dollars and require powerful hardware, PLO Gecko delivers GTO training at a fraction of the cost, entirely on mobile. For how it stacks up against the browser platforms, see our [PLO trainer comparison](https://gtogecko.com/blog/best-plo-trainer-apps), or the broader [guide to GTO apps and platforms](https://gtogecko.com/blog/best-gto-apps-platforms). PLO Gecko vs Hold'em Training: Key Differences Feature PLO Gecko (Omaha) Hold'em Trainers Starting hands 270,725 (PLO4), 2,598,960 (PLO5) 1,326 combinations Suitedness categories 5 (rainbow to monotone) 2 (suited/offsuit) Wrap draw analysis Built-in wrap analyzer with nut-out grading N/A Variants PLO4 and PLO5 in one app Hold'em only Multiway scenarios Dedicated squeeze modules Less common Board texture complexity More draw-heavy boards, nut shifts Simpler equity landscapes Getting Started with PLO Gecko - Download the app from the [App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - Take the placement quiz so the app starts you at the right level - Pick your variant: start in PLO4 if you are new to Omaha, and switch to PLO5 in one tap once the four-card ranges hold up - Drill the opening range modules first , then move to facing opens and 3-bet pots - Use the range viewer to study the hands you got wrong after each session - Track your ELO per variant and let the leak report choose what you drill next If you are coming from Hold'em, the [poker solvers made simple](https://gtogecko.com/blog/how-to-use-poker-solver) guide covers the fundamentals of reading solver outputs. The same principles apply in PLO Gecko, with four-card and five-card adaptations. Frequently Asked Questions What happened to PLO Edge? PLO Edge was renamed PLO Gecko. It is the same app from the same team behind GTO Gecko. The current version covers both PLO4 and PLO5 with 31 training modules, native river solving in PLO5 full-hand drills, and Premium plans billed monthly or yearly. Is PLO Gecko a real-money poker app? No. PLO Gecko is strictly an educational training tool. There is no gambling, no real money involved, and no poker table gameplay. It exists purely to help you study GTO Pot Limit Omaha strategy. Does PLO Gecko support 5-card PLO (PLO5)? Yes, since version 1.3.0 in July 2026. PLO5 support includes 14 dedicated preflop modules, solver-backed ranges at 100bb, full-hand drills from flop to river with native river solving on iPhone and iPad, and separate progress tracking per variant. What makes PLO Gecko different from a desktop PLO solver? Desktop solvers require powerful hardware and manual setup for each scenario. PLO Gecko delivers solver-backed GTO ranges instantly on your phone, with structured training, grading, and progress tracking built in, plus native river solving in PLO5 full-hand drills. It does not build custom postflop trees; it is designed for learning, not research. How many hands should I train per day? Start with 50 to 75 hands per day. As you build familiarity, increase to 100 to 200. Consistency matters more than volume: daily 10-minute sessions outperform occasional marathon study, which is what the daily streak system is built around. Is PLO Gecko free? The free tier includes 25 training hands and 50 range lookups per day. The Premium subscription, sold as monthly and yearly plans, unlocks unlimited training, full analytics, and every tool. Pricing is shown in the store listing for your region. How does the ELO system work? PLO Gecko uses a chess-style ELO rating with more than 30 ranks. Your rating moves with the quality of your decisions against the solver baseline, and PLO4 and PLO5 progress are tracked separately, so you can watch each game improve on its own curve. Start Mastering PLO Today Pot Limit Omaha rewards players who study. The gap between GTO and average play is wider in PLO than in Hold'em, which means the edge from proper training is larger, and in PLO5 it is larger still. PLO Gecko gives you the solver data, the structured practice, and the feedback systems to close that gap in both games. Download PLO Gecko for [iOS](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) or [Android](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) and start your first training session today. Sources - [PLO Gecko: Omaha Poker Trainer on the Apple App Store](https://apps.apple.com/us/app/plo-gecko-omaha-poker-trainer/id6756220388) - [PLO Gecko: PLO5 Omaha Trainer on Google Play](https://play.google.com/store/apps/details?id=com.ploedge.pokertrainer) - [PLO Gecko (formerly PLO Edge) product page](https://gtogecko.com/plo-edge) ### Poker Betting Patterns: Read and Exploit Opponents https://gtogecko.com/blog/poker-betting-patterns In poker, betting patterns are one of the most reliable sources of information about your opponents' hand strength, tendencies, and strategic approach. While individual hands come and go, patterns repeat themselves over time, creating exploitable opportunities for observant players. This comprehensive guide will teach you how to identify, categorize, and exploit poker betting patterns to dramatically increase your win rate at any stakes. What Are Poker Betting Patterns? Betting patterns are the consistent, repeatable ways that players bet, check, raise, or fold in similar situations. These patterns reveal information about: - Hand strength: How they bet with strong vs. weak hands - Playing style: Aggressive, passive, tight, or loose tendencies - Strategic approach: GTO-based or exploitative play - Emotional state: [Tilt](https://gtogecko.com/blog/poker-tilt-mental-game), confidence, or uncertainty - Skill level: Recreational vs. professional patterns Understanding these patterns is crucial because poker is a game of incomplete information. Every betting decision your opponent makes reveals something about their hand, strategy, or mental state. Why Betting Patterns Matter More Than Single Hands Many players focus too much on individual hands and miss the bigger picture. Here's why patterns are more important: Repeated Evidence Beats a Single Hand One unusual bet could be a bluff, value bet, or mistake. Repetition helps only when you count comparable chances for the same action. Keep the action count over its eligible-opportunity count, then use our [poker stat sample-size guide](https://gtogecko.com/blog/poker-stat-sample-size) to inspect uncertainty before turning the pattern into a read. Patterns Transcend Card Removal While [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) affect specific hand probabilities, betting patterns reveal strategic tendencies that apply across many situations. Exploitation Over Game Theory While [GTO poker](https://gtogecko.com/blog/what-is-gto-poker) is theoretically optimal, exploiting predictable betting patterns generates higher win rates against most opponents. Understanding when to deviate from GTO based on opponent patterns is covered in our [GTO vs exploitative strategy guide](https://gtogecko.com/blog/gto-vs-exploitative). Common Betting Pattern Categories 1. Bet Sizing Patterns [Bet sizing](https://gtogecko.com/blog/poker-bet-sizing-strategy) is one of the most telling aspects of betting patterns. Players often use different bet sizes based on their hand strength, creating exploitable tells. The "Big Bet = Big Hand" Pattern Identification: Player consistently bets 75-100% pot with strong hands, but 30-40% pot with medium strength or bluffs. Common at: Low to mid-stakes, especially live poker Exploitation: - Call or raise their small bets more aggressively - Fold more often to their large bets unless you have a premium hand - Recognize when they're polarized vs. merged (covered in our [polarized vs merged ranges guide](https://gtogecko.com/blog/polarized-vs-merged-ranges)) The Reverse Tell: Small Value, Large Bluffs Identification: Advanced players sometimes use small bets for value (to get calls) and large bets for bluffs (to fold out better hands). Common at: High-stakes and among solver-trained players Exploitation: - Call their small bets less frequently - Bluff-catch more often against their large bets - Pay attention to board texture and [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) The Static Bet Size Pattern Identification: Player uses the same bet size (e.g., always 50% pot) regardless of hand strength or board texture. Common at: Online poker among algorithm-following players Exploitation: - Focus on frequency tells rather than sizing tells - Use [position](https://gtogecko.com/blog/poker-position-strategy) to your advantage - Pay attention to their checking patterns instead 2. Street-by-Street Betting Patterns How players bet across multiple streets (flop, turn, river) reveals enormous information about their strategy and hand strength. Unusual lines, like a [donk bet](https://gtogecko.com/blog/donk-betting-strategy) into the preflop raiser, are often the most revealing of all. The "Bet-Bet-Jam" Pattern Identification: Moderate bet on flop, moderate bet on turn, all-in on river Typical meaning: - Recreational players: Usually the nuts or very strong hand - Advanced players: Could be polarized (nuts or bluff) Exploitation: - Against weak players: Fold unless you have near-nuts - Against strong players: Consider opponent's [bluffing frequency](https://gtogecko.com/blog/poker-bluffing-strategy) and your blockers The "Check-Call, Check-Call, Check" Pattern Identification: Passive play across all streets, never betting for value Typical meaning: Medium-strength hand, showdown-bound, pot control Exploitation: - Bet multiple streets for thin value - Rarely bluff - they'll call down with marginal holdings - Recognize their [hand range](https://gtogecko.com/blog/poker-hand-rankings-guide) is capped (no very strong hands) The "Bet-Check-Bet" Delayed C-Bet Pattern Identification: Bet flop, check turn, bet river (or check flop, bet turn, bet river) Typical meaning: - Weak made hand that improved - Draw that completed - Bluff that's representing improvement Exploitation: - Pay attention to what cards improved the board - Stronger players may use this as a [semi-bluff](https://gtogecko.com/blog/poker-bluffing-strategy) pattern - Understanding [continuation betting](https://gtogecko.com/blog/what-is-a-continuation-bet) helps decode this pattern 3. Position-Based Betting Patterns Where a player sits relative to the button dramatically affects optimal betting patterns. Deviations from correct positional play create opportunities. The "Blind Limper" Pattern Identification: Frequently limps from small blind or calls from big blind rather than raising or 3-betting Typical meaning: Weak player with poor understanding of [positional strategy](https://gtogecko.com/blog/poker-position-strategy) Exploitation: - Raise aggressively when they limp - C-bet frequently on the flop - Apply pressure with [3-bets and 4-bets](https://gtogecko.com/blog/what-is-a-3-bet) The "Button Abuser" Pattern Identification: Extremely aggressive from the button, stealing blinds 60%+ of hands Typical meaning: Strong positional awareness, likely studying GTO Exploitation: - Defend blinds wider than normal - Use [squeeze plays](https://gtogecko.com/blog/squeeze-play-strategy) when they're on the button - [Check-raise](https://gtogecko.com/blog/check-raise-strategy) flops more frequently The "Out of Position Overfolder" Pattern Identification: Player folds too often when out of position after facing aggression Common at: All stakes - most players hate playing out of position Exploitation: - Bluff frequently in position against them - Barrel turn and river even with air - Size bets larger to maximize fold equity 4. Timing Tells in Online Poker While live poker has [physical tells](https://gtogecko.com/blog/poker-tells-guide), online poker betting patterns include timing tells that are just as valuable. The "Instant Check" Pattern Identification: Player checks immediately (using check-box or snap-checking) Typical meaning: - Usually: Weak hand, missed draw, giving up - Advanced players: Could be slow-playing monsters Exploitation: - Bet frequently when opponents instant-check - Use larger bet sizes - they're likely folding - Be cautious if an advanced player instant-checks on a scary board The "Tank-Bet" Pattern Identification: Player thinks for 15-30+ seconds before betting Typical meaning: - Usually: Marginal hand deciding between betting and checking - Sometimes: Strong hand calculating optimal bet size - Bluffs: Working up courage to bluff Exploitation: - Against weak players: Tank-bets are often medium-strength hands - Against strong players: They're likely polarized (very strong or bluff) The "Instant Call" Pattern Identification: Player calls immediately without thinking Typical meaning: - Draw that's getting correct [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) - Medium-strength hand that wants to see next card - Not strong enough to raise, not weak enough to fold Exploitation: - Bet larger on next street if scare cards appear - Check back if you're bluffing and the draw completes - Value bet thinner if board bricks out Advanced Pattern Recognition: Combining Multiple Patterns The most profitable pattern recognition comes from combining multiple patterns to build a complete profile of your opponent. The "Fit or Fold" Player Profile Combined patterns: - Bets large only when they connect with the board - Folds frequently to c-bets - Never bluffs multi-street - Checks strong hands to trap Exploitation strategy: - C-bet 100% on disconnected boards - Fold when they show aggression - Don't pay them off when they bet The "Bluff-Heavy Aggressor" Profile Combined patterns: - High aggression frequency - Uses large bet sizes frequently - Barrels turn and river often - Shows bluffs at showdown regularly Exploitation strategy: - Call down lighter with bluff-catchers - Let them barrel into you - Check strong hands to induce bluffs - Understand [poker odds](https://gtogecko.com/blog/poker-outs-and-odds) to call correctly The "GTO-Bot" Profile Combined patterns: - Consistent bet sizing regardless of hand - Mixed strategy (sometimes bets, sometimes checks with same hands) - Strong [positional awareness](https://gtogecko.com/blog/poker-position-strategy) - Balanced [bluffing frequency](https://gtogecko.com/blog/poker-bluffing-strategy) Exploitation strategy: - Fewer exploits available - Play closer to GTO yourself - Look for subtle [GTO deviations](https://gtogecko.com/blog/gto-vs-exploitative) - Focus on other opponents instead Tracking and Recording Betting Patterns Mental Note-Taking (Live Poker) In live poker, you must track patterns mentally: - Focus on extremes: Unusual bet sizes, very large or very small - Count showdowns: What hands does opponent show with different bet sizes? - Note timing: Fast vs. slow betting decisions - Track frequencies: How often they c-bet, 3-bet, etc. Using HUDs (Online Poker) Online poker allows tracking software: - VPIP (Voluntarily Put $ In Pot): Overall looseness/tightness - PFR (Pre-Flop Raise): Aggression level - 3-bet %: Identifies aggressive players - C-bet %: Continuation betting frequency - Fold to C-bet %: How exploitable they are to c-bets - WTSD (Went To ShowDown): Calling station indicator - W$SD (Won $ at ShowDown): Showdown strength Creating Custom Notes Both live and online, maintain notes on specific patterns: - "Always 3x preflop with AA/KK, min-raises with everything else" - "Never bluffs river, only value bets" - "Check-raises flop = always strong hand or draw" - "[Overbets](https://gtogecko.com/blog/overbetting-strategy) only as bluff, never for value" Common Mistakes in Pattern Recognition 1. Small Sample Size Bias The mistake: Making conclusions based on 1-3 hands The fix: There is no universal number of hands or examples that makes a pattern reliable. Record the exact action count and the number of comparable opportunities, then check uncertainty and context before adjusting. 2. Confirmation Bias The mistake: Only noticing patterns that confirm your initial read The fix: Actively look for counter-examples. If you think someone only bets big with nuts, watch for times they bet big with medium hands or bluffs. 3. Static Pattern Assumption The mistake: Assuming patterns never change The fix: Opponents adjust, tilt, or change gears. Continuously update your reads. A player who's been tight for 2 hours might start playing loose after losing a big pot. 4. Overweighting Recent Hands The mistake: Letting the most recent hand dominate your read The fix: Maintain a balanced view of all observed patterns. One unusual play doesn't erase 50 consistent patterns. 5. Ignoring Context The mistake: Applying patterns without considering situation The fix: Consider stack sizes, tournament stage (see our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy)), table dynamics, and player's mental state. A pattern that holds with 100bb might not apply with 20bb. Defending Against Pattern Recognition Smart players will look for your betting patterns too. Here's how to stay unpredictable: 1. Mix Your Bet Sizing Use the same bet size with strong hands, medium hands, and bluffs. This prevents the [bet-sizing tells](https://gtogecko.com/blog/poker-bet-sizing-strategy) that observant opponents punish. 2. Randomize Your Play Use a mental randomizer or watch the second hand on a clock. For example: "If seconds are even, I'll check; if odd, I'll bet." 3. Balance Your Frequencies If you c-bet 75% of flops when you hit and 30% when you miss, you're exploitable. Instead, c-bet similar frequencies regardless of whether you connected with the board. This is core to [GTO poker strategy](https://gtogecko.com/blog/what-is-gto-poker). 4. Study Solver Output Using [poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) helps you understand balanced strategies that are harder to exploit. Our [guide to using a poker solver](https://gtogecko.com/blog/how-to-use-poker-solver) walks through that workflow step by step. 5. Vary Your Timing Take similar amounts of time whether you're betting for value, bluffing, or making an easy decision. Don't instant-check weak hands and tank-bet strong hands. Pattern-Based Adjustments for Different Game Formats Cash Games Cash games allow the most pattern observation because: - Deep stacks enable multi-street patterns - Same opponents for hours or days - No ICM considerations affecting play Key patterns to watch: Pre-flop raising patterns, c-betting frequencies, river betting patterns Tournaments Tournament patterns change with stack sizes: - Early stages: Similar to cash games - Middle stages: More conservative patterns emerge - Late stages: Aggression and shoves increase - Near bubble: Extreme caution or aggression Learn more in our comprehensive [ICM poker strategy guide](https://gtogecko.com/blog/icm-poker-strategy). Sit & Go's Shorter formats mean less pattern data: - Focus on pre-flop patterns first (most data points) - General playing style (tight/loose, passive/aggressive) - Bubble behavior most important Satellites Unique patterns emerge due to seat-focused strategy: - Extreme caution near bubble - Chip dumping to help short stacks survive - Different ICM considerations For specialized satellite strategy, see our [poker satellites guide](https://gtogecko.com/blog/poker-satellites). Using Combo Counting to Refine Pattern Reads Combining betting pattern recognition with [combo counting](https://gtogecko.com/blog/combo-counting) creates powerful exploitative opportunities. For example, if you notice an opponent has a "bet-bet-check" pattern on the river with medium-strength hands, you can use combo counting to estimate: - How many combinations of medium-strength hands are in their range - How many value combos they're missing by not betting - Whether you should bet for thin value or check back Pattern Recognition in Different Player Types Recreational Players Most common patterns: - Bet sizing tells (big bet = big hand) - Fit or fold on flop - Rarely triple barrels as bluff - Obvious timing tells - Linear value betting (don't polarize) Exploitation: Aggressive c-betting, thin value betting, rare bluff-catching Tight-Aggressive (TAG) Regulars Most common patterns: - Consistent c-betting - Position-aware play - Rare triple barrels without goods - Standard bet sizing - Occasional light 3-bets Exploitation: Float flops and attack on turns/rivers, 4-bet bluff occasionally, defend blinds wider Loose-Aggressive (LAG) Players Most common patterns: - High aggression frequency - Frequent bluffs - Thin value bets - Multi-street barrels - Positional abuse Exploitation: Call down lighter, check-raise more, trap with strong hands, let them bluff GTO-Based Players Most common patterns: - Balanced frequencies - Mixed strategies - Solver-like bet sizing - High awareness of ranges - Difficult to exploit Exploitation: Play GTO yourself, look for rare [deviations](https://gtogecko.com/blog/gto-vs-exploitative), focus on other opponents Practice Exercises: Identifying Betting Patterns Exercise 1: Bet Sizing Analysis Track one opponent for 50 hands and record: - What bet sizes they use in different situations - Which hands they showdown with each bet size - Whether they're consistent or vary sizing Exercise 2: Multi-Street Pattern Recognition When an opponent bets flop and turn, track: - How often they fire a third barrel on river - What card textures they barrel on - Their showdown hands after bet-bet-bet lines Exercise 3: Positional Pattern Study Focus on one position (e.g., button) and track: - Opening raise frequency - Response to 3-bets - C-betting frequency - Aggression patterns Exercise 4: HUD Statistics Review After each online session, review your HUD data and identify: - Who had extreme statistics (very high/low) - Which patterns you successfully exploited - Which patterns you missed during play Advanced Concepts: Level-Thinking and Pattern Exploitation Level 1: What Hand Do I Have? Beginner thinking - only considering your own cards. Level 2: What Hand Does My Opponent Have? Intermediate thinking - trying to put opponent on a specific hand based on betting patterns. Level 3: What Does My Opponent Think I Have? Advanced thinking - considering your image and how your betting patterns appear to opponents. Level 4: What Does My Opponent Think I Think They Have? Expert thinking - double-leveling based on mutual pattern recognition and adjustment. Understanding these levels helps you know when to exploit obvious patterns and when opponents might be setting traps based on expected patterns. Real-World Examples: Pattern Exploitation in Action Example 1: The Obvious Tell Situation: Live $1/$2 game, recreational player consistently bets $30+ with strong hands, $10-15 with weak hands or bluffs. Pattern identified: Bet sizing directly correlates to hand strength over 30+ hands. Exploitation: You hold A♠K♥ on Q♠J♠10♥ flop. Opponent bets $15 into $40 pot. Based on pattern, this indicates weak hand or weak draw. You raise to $50, opponent folds, showing 8♠9♠ (open-ended straight draw). Result: Won pot immediately by recognizing betting pattern indicated weakness. Example 2: The Multi-Street Pattern Situation: Online player over 200 hands has never triple-barreled as a bluff. They bet flop and turn frequently, but only bet river when they have a strong value hand. Pattern identified: Never bluffs river after firing flop and turn. Exploitation: You hold K♣Q♣ on A♦9♣5♣ flop. Opponent bets flop (you call), bets turn 3♠ (you call), then bets river 2♥. Based on pattern, they virtually never have a bluff here. You fold, saving significant chips against their A♠K♠. Result: Saved money by recognizing reliable multi-street pattern. Example 3: The Timing Tell Situation: Online opponent consistently tank-calls (15-20 seconds) with medium-strength hands, instant-calls with draws. Pattern identified: Timing directly correlates to hand type. Exploitation: You c-bet K♥9♠4♣ flop with A♠Q♠. Opponent instantly calls. Turn is 7♦. Based on timing pattern, they likely have a draw rather than a made hand. You bet again, turn bricks, they fold. Result: Won pot by recognizing timing pattern indicated drawing hand. Integration with Other Poker Skills Betting pattern recognition doesn't exist in isolation. It works best when combined with: - [Positional awareness](https://gtogecko.com/blog/poker-position-strategy): Patterns vary by position - [Range analysis](https://gtogecko.com/blog/understanding-ranges-in-poker): Patterns help narrow ranges - [Odds calculation](https://gtogecko.com/blog/poker-outs-and-odds): Knowing if exploiting a pattern is profitable - [Blocker effects](https://gtogecko.com/blog/blockers-unblockers): Your cards affect pattern likelihood - [Live tells](https://gtogecko.com/blog/poker-tells-guide): Physical tells complement betting patterns - [Combo counting](https://gtogecko.com/blog/combo-counting): Quantify pattern-based reads - [GTO knowledge](https://gtogecko.com/blog/what-is-gto-poker): Understand what patterns deviate from optimal Tools and Resources for Pattern Study Software Tools - Tracking databases (PokerTracker, Hand2Note): Log statistical patterns from your online hands and feed HUD stats - Solver study tools (GTO Wizard and similar): Compare observed patterns to GTO baselines - Range calculators (Flopzilla, Equilab): Visualize how a betting pattern maps to a specific range - [EV-loss leak review](https://gtogecko.com/blog/poker-leak-finder-ev-loss): Groups training decisions by street, position, pot type, and modeled cost so you can choose a focused study target For a side-by-side look at the current study tools, see our [best poker software comparison](https://gtogecko.com/blog/best-poker-software). Study Methods - Hand review: Analyze patterns in your played hands - Database analysis: Filter for specific betting patterns - Twitch streams: Watch pros identify and exploit patterns - Training sites: Pattern recognition modules and quizzes Poker Betting Patterns FAQ How many hands do I need to identify a reliable pattern? There is no universal hand-count threshold. Total hands can create many opportunities for one stat and almost none for a rare branch. Start with the action count over comparable eligible opportunities, then check its interval and context in our [count-first guide to poker stat sample size](https://gtogecko.com/blog/poker-stat-sample-size). What if an opponent has no discernible patterns? Some players are truly balanced and unpredictable. Against these opponents, play closer to [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) yourself and focus on exploiting other players at the table. Can betting patterns be deceiving? Yes! Advanced players deliberately create false patterns or change patterns to trap observant opponents. Always consider opponent's skill level and whether they might be leveling you. If a normally fast, quiet regular suddenly tanks and fires big, ask what story the change tells before you pay them off. Against proven tricky players, weight pattern reads far less. Should I always exploit patterns I identify? Not necessarily. Consider the magnitude of the exploit, your current table image, and whether the opponent might adjust. Sometimes maintaining a balanced strategy is more profitable long-term than making an obvious exploitation. How do I prevent opponents from reading my patterns? Use consistent bet sizing with your entire range, randomize your decisions in marginal spots, take similar time for different decision types, and study solver output to understand balanced play. Our [poker solvers guide](https://gtogecko.com/blog/how-to-use-poker-solver) can help with this. Conclusion: The Power of Pattern Recognition Mastering poker betting patterns transforms you from someone who plays their own cards into someone who exploits opponents' predictable tendencies. While learning [GTO poker](https://gtogecko.com/blog/what-is-gto-poker) provides a solid baseline, recognizing and exploiting betting patterns is where the real money is made in poker. Key Takeaways - Betting patterns are more reliable than single-hand reads - Bet sizing, multi-street lines, positional patterns, and timing all reveal information - Require sufficient sample size before exploiting patterns - Combine pattern recognition with [range analysis](https://gtogecko.com/blog/understanding-ranges-in-poker) and [combo counting](https://gtogecko.com/blog/combo-counting) - Different player types exhibit different exploitable patterns - Protect yourself by balancing your own frequencies and sizing - Continuously update reads as opponents adjust Next Steps Start implementing pattern recognition in your next session: - Choose one player to focus on each session - Track their bet sizing in different situations - Note any multi-street betting tendencies - Record what hands they show down with different patterns - Make one exploitative adjustment based on identified patterns - Review after session to see if your read was accurate Ready to take your pattern recognition to the next level? Use [GTO Gecko](https://play.gtogecko.com/) to study optimal betting patterns, compare opponent tendencies to GTO baselines, and develop the observational skills that separate professional players from amateurs. Master betting pattern recognition, and you'll never be confused about your opponent's likely holding again. Pro Tip: The Pattern Recognition Journal Keep a dedicated notebook or digital file where you record interesting betting patterns you encounter. Write down the pattern, the opponent type, how you exploited it, and the result. Over time, this creates a personal database of exploitable patterns that you'll recognize instantly at the table. All product names, logos, and brands are property of their respective owners and are used for identification only. GTO Gecko is not affiliated with or endorsed by the companies mentioned. Pricing verified June 2026 — check each vendor's site for current rates. ### Poker Bluffing Strategy: When and How to Bluff https://gtogecko.com/blog/poker-bluffing-strategy Bluffing is the soul of poker - the strategic element that separates poker from every other card game. While beginners often bluff too much or too little, skilled players understand exactly when, how, and how often to bluff for maximum profit. This comprehensive guide will teach you everything from basic bluffing concepts to advanced GTO bluffing frequencies, semi-bluffing techniques, and how to adjust your bluffing strategy against different opponents. What is Bluffing in Poker? A bluff is a bet or raise made with a hand that is unlikely to be the best hand, with the primary intention of making better hands fold. Unlike value betting (betting with the best hand to get called by worse), bluffing attempts to win the pot immediately by forcing opponents to fold. The Two Types of Bluffs Pure Bluff (Stone-Cold Bluff): - No chance of improving to the best hand - Can only win by making opponent fold - Example: King-high on the river with no draws - Higher risk, but necessary for balanced play Semi-Bluff: - Currently behind but has [outs](https://gtogecko.com/blog/poker-outs-and-odds) to improve - Can win by fold or by hitting the draw - Example: Flush draw or open-ended straight draw - Lower risk due to multiple ways to win Pure Bluff vs Semi-Bluff Example Board: A ♥ K ♠ 8 ♦ 3 ♣ Pure Bluff: You have Q ♣ J ♠ You have nothing and no draws. If you bet, you can only win if opponent folds. This is a pure bluff. Semi-Bluff: You have 9 ♥ 7 ♥ You have a flush draw (9 outs). If you bet, you can win by opponent folding OR by hitting your flush on the river. This is a semi-bluff. Why Bluffing is Essential: Game Theory Basics Many beginners ask: "Why bluff at all if it's risky?" The answer lies in game theory and balance. The Poker Equilibrium If you never bluff: - Opponents will always fold to your bets - You'll only win small pots with your strong hands - Your win rate will be much lower than optimal - You become completely exploitable If you bluff too much: - Opponents will always call your bets - Your bluffs will get caught constantly - You'll lose chips rapidly - You're still exploitable, just in the opposite direction The key is finding the [GTO (Game Theory Optimal)](https://gtogecko.com/blog/what-is-gto-poker) balance where opponents can't exploit you regardless of their strategy. Minimum Defense Frequency (MDF) This is a crucial concept for understanding optimal bluffing frequencies: MDF Formula: Pot size / (Pot size + Bet size) MDF Example Pot: $100 Opponent bets: $75 New pot: $175 You need to call: $75 MDF = 100 / (100 + 75) = 100 / 175 = 57.1% You should defend (call or raise) at least 57.1% of your range to prevent your opponent from profitably bluffing you with any two cards. This means if you fold more than ~43% of the time, your opponent can bluff profitably with literally any hand. Understanding MDF helps you determine both when to bluff and when to call down bluffs. Optimal Bluffing Frequencies How often should you bluff? The answer depends on your bet size and the pot odds you're offering your opponent. The Bluff-to-Value Ratio Formula Optimal bluff frequency = Bet size / (Pot size + Bet size) This tells you what percentage of your betting range should be bluffs versus value. Bluffing Frequency by Bet Size Pot-sized bet (100% pot): - Bluff frequency: 100 / (100 + 100) = 50% - Ratio: 1 bluff for every 1 value bet 2/3 pot bet (67% pot): - Bluff frequency: 67 / (100 + 67) = 40% - Ratio: 2 bluffs for every 3 value bets Half pot bet (50% pot): - Bluff frequency: 50 / (100 + 50) = 33% - Ratio: 1 bluff for every 2 value bets 1/3 pot bet (33% pot): - Bluff frequency: 33 / (100 + 33) = 25% - Ratio: 1 bluff for every 3 value bets Key takeaway: Bigger bets require fewer bluffs. Smaller bets require more bluffs to remain balanced. When to Bluff: Optimal Bluffing Situations 1. You Have Good Blockers Bluff when your cards block strong hands your opponent might call with and unblock folding hands. Blocker Bluffing Example Board: A ♥ K ♥ Q ♥ 4 ♣ 2 ♠ You have: J ♥ 3 ♠ Why this is a great bluff: - Your J ♥ blocks opponent from having the nut flush (A ♥ J ♥ , K ♥ J ♥ , Q ♥ J ♥ ) - You block JT for the straight - Opponent is more likely to have a weak flush or missed hand - You represent a very strong flush or straight yourself Learn more about this concept in our [blockers and unblockers guide](https://gtogecko.com/blog/blockers-unblockers). 2. The Board Favors Your Range Bluff when the board texture connects more with your perceived range than your opponent's range. Range Advantage Bluffing Scenario: You raise from the Button, BB calls Flop: A ♠ K ♥ 3 ♦ Why you should c-bet frequently (including bluffs): - You have all the AA, KK combinations (you'd 3-bet these as BB) - You have all the AK, AQ, AJ, KQ hands - BB has fewer premium aces and kings in their range - The board heavily favors your perceived range Understanding [ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) is critical for successful bluffing. 3. Your Opponent Shows Weakness When opponents check, they're often weak. This creates prime bluffing opportunities: - Flop check-back then turn bet: They missed and gave up initiative - Multiple checks: Very weak range, often just showdown value - Small bets: Usually weak value or pot control, not strong hands 4. You're In Position Bluffing from position is significantly more profitable because: - You see opponent's action before deciding - You can pot control when your bluff gets called - You can give up when opponents show strength - You can apply maximum pressure across multiple streets See our [position strategy guide](https://gtogecko.com/blog/poker-position-strategy) for more on positional advantages. 5. The Stack-to-Pot Ratio (SPR) is Right Low SPR (1-3): Harder to bluff - opponents often committed to calling Medium SPR (4-8): Ideal for multi-street bluffs High SPR (9+): Great for bluffing but requires more precision SPR and Bluffing Example Scenario 1 - Low SPR (Bad for bluffing): Pot: $100, Effective stacks: $150 (SPR = 1.5) If you bluff $100, opponent only needs to call $100 more to see showdown. They're often pot-committed with any pair or draw. Scenario 2 - Medium SPR (Good for bluffing): Pot: $100, Effective stacks: $600 (SPR = 6) You can bluff flop, turn, and river, applying pressure on each street. Opponent must call multiple bets to reach showdown. When NOT to Bluff: Situations to Avoid 1. Against Calling Stations Don't bluff players who call too much. This seems obvious but many players ignore it: - If someone calls down with weak pairs, don't bluff them - Track opponents' fold-to-c-bet and fold-to-turn-bet stats - If they fold less than 40% to continuation bets, reduce bluffing - Value bet thin instead - they'll call with worse hands 2. In Multi-Way Pots Bluffing decreases in effectiveness with each additional opponent: - Heads-up: Need to fold out 1 player - Three-way: Need to fold out 2 players (much harder) - Four-way: Someone almost always has a piece of the board In multi-way pots, focus on value betting with strong hands and semi-bluffing with big draws. 3. On Wet, Coordinated Boards Boards with many draw possibilities make bluffing less effective: Bad Bluffing Board Board: J ♥ 10 ♥ 9 ♠ Why this is a bad bluff spot: - Many opponents have draws (flush draws, straight draws) - Many made hands already (straights, two pairs, sets) - Opponents won't fold draws getting good odds - Hard to represent a credible hand that beats everything 4. When You Have Showdown Value If your hand can win at showdown without improvement, checking is often better than bluffing: - Weak pairs on safe boards - Ace-high on missed draw boards - Any hand that beats opponent's likely bluffs These are "bluff-catchers" - hands too weak to value bet but too strong to bluff with. 5. Against Short Stacks in Tournaments Short-stacked tournament players often call with wider ranges because: - They're committed due to [ICM considerations](https://gtogecko.com/blog/icm-poker-strategy) - They need to double up and can't wait for premium hands - The pot odds are too good to fold Bluffing Across Different Streets Pre-Flop Bluffing (3-Betting and 4-Betting Light) Pre-flop bluffs include raising and re-raising with non-premium hands: 3-Bet Bluffing: - Re-raising an opener with hands like A5s, K9s, suited connectors - Best from position or in the blinds - Target players who open too wide and fold to 3-bets - See our [3-betting guide](https://gtogecko.com/blog/what-is-a-3-bet) for more 4-Bet Bluffing: - Re-raising a 3-bettor with non-premium hands - Advanced play requiring good hand-reading skills - Best against aggressive 3-bettors who don't 5-bet light - Use hands with blockers (Ax, Kx that block strong hands) Flop Bluffing (Continuation Bets) The continuation bet is the most common bluff in poker: High-frequency c-bet spots: - Dry boards (K-7-2 rainbow) - Ace-high boards when you're perceived to have many aces - Heads-up in position - When you have the range advantage Low-frequency c-bet spots: - Wet, connected boards - Multi-way pots - Out of position against calling stations - When board favors caller's range Learn optimal c-betting strategies in our [continuation bet guide](https://gtogecko.com/blog/what-is-a-continuation-bet). Turn Bluffing (The Crucial Decision Point) Turn bluffs are more committed and require careful consideration: Good turn bluffs have: - [Equity](https://gtogecko.com/blog/poker-equity-explained): Draws that can improve on the river - Blockers: Cards that reduce opponent's strong hands - Fold equity: Opponents who can actually fold - Positional advantage: Acting last Turn Barrel Example You raise BTN with 9 ♥ 8 ♥ , BB calls Flop: K ♠ 7 ♥ 3 ♣ (you c-bet, BB calls) Turn: 6 ♥ Analysis - Should you barrel? - YES: You picked up a flush draw (9 outs) - YES: You have a gutshot (any 5 gives you a straight) - YES: Total outs: 12+ (flush + straight + overcard possibilities) - YES: BB's calling range is often weak kings, pairs, draws - Decision: This is a mandatory turn barrel - you can win by fold or by hitting River Bluffing (The All-In Decision) River bluffs are pure - you can't improve anymore. This makes them high-risk but necessary: Best river bluff candidates: - Missed flush draws that block opponent's flushes - Missed straight draws that block opponent's straights - Hands that block opponent's value range - Hands that unblock opponent's folding range Worst river bluff candidates: - Weak showdown value (you might win by checking) - Hands that block opponent's folds - Against calling stations or suspicious opponents Advanced Bluffing Concepts 1. Polarized vs Merged Ranges When Bluffing Understanding range construction is crucial for effective bluffing: Polarized betting range: - Contains very strong hands and bluffs - No medium-strength hands - Used with large bet sizes - Forces opponent to make difficult decisions Merged (condensed) range: - Contains many medium-strength hands - Fewer bluffs needed - Used with smaller bet sizes - More stable but less aggressive Deep dive into this concept in our [polarized vs merged ranges guide](https://gtogecko.com/blog/polarized-vs-merged-ranges). 2. Overbetting as a Bluff [Overbetting](https://gtogecko.com/blog/overbetting-strategy) (betting more than the pot) is a powerful advanced bluffing technique: When to Overbet Bluff Good overbet bluff situations: - You have the nut advantage (your range contains the strongest hands) - Opponent has a capped range (can't have the nuts) - You're polarized (very strong or bluffing, nothing in between) - The board texture allows you to represent very strong hands Example: Board: A ♥ 9 ♥ 2 ♣ 3 ♠ 7 ♦ You raised pre-flop from CO, bet flop and turn. River is a brick. You can overbet here because: - You can have all the overpairs (AA, KK, QQ, JJ, TT) - You can have sets and two-pairs - Opponent likely has weak aces or pairs at best - Overbetting makes it very expensive for them to call with bluff-catchers 3. The Check-Raise Bluff [Check-raising](https://gtogecko.com/blog/check-raise-strategy) as a bluff is powerful but risky: When to check-raise bluff: - You're out of position with draws and good equity - The board is very draw-heavy - Opponent is likely continuation betting wide - You want to deny equity and take down the pot immediately Best hands for check-raise bluffing: - Combo draws (flush draw + straight draw) - Strong draws with backdoor equity - Overcards with a draw 4. The Delayed Continuation Bet Checking the flop then betting the turn as a bluff: Delayed C-Bet Example You raise BTN, BB calls Flop: K ♥ 9 ♦ 3 ♣ You check back (pot control or give up) Turn: 2 ♠ BB checks, you bet Why this works: - BB expects you to c-bet strong hands, so checking shows weakness - When you bet the turn, you represent a hand that improved (like A2, 22) - BB's range is capped at medium strength (strong hands would have bet) - The turn blank means they likely didn't improve either 5. Float and Bluff Calling a c-bet in position with the intention of taking the pot away later: - Call flop c-bet with nothing - Wait for opponent to check turn (showing weakness) - Bet turn and/or river to win the pot This requires position, good hand-reading, and fold equity. Best against opponents who c-bet frequently but give up on later streets. Bet Sizing for Bluffs Your bluff sizing should match your value betting sizing to avoid being exploitable. Our [bet sizing strategy guide](https://gtogecko.com/blog/poker-bet-sizing-strategy) covers the full framework: Flop Bet Sizing - Small (25-33% pot): High-frequency betting, balanced ranges, mostly value with some bluffs - Medium (50-66% pot): Standard sizing, good balance of value and bluffs - Large (75-100% pot): Polarized range, strong hands and bluffs, no medium-strength Turn Bet Sizing - Small (33-50% pot): Merged range, pot control with medium hands - Medium (66-75% pot): Building pot with strong hands, some bluffs - Large (100%+ pot): Very polarized, nutted hands and bluffs River Bet Sizing - Small (25-40% pot): Thin value and some bluffs, induce calls - Medium (50-75% pot): Standard value betting and balanced bluffs - Large/Overbet (100-200%+ pot): Nuts or air, highly polarized Reading Bluff-Catching Situations Sometimes you're not the one bluffing - you're deciding whether to call a bluff: Signs Your Opponent is Bluffing - Story doesn't make sense: Their [betting pattern](https://gtogecko.com/blog/poker-betting-patterns) doesn't represent a logical hand - Unusual sizing: Sizing that deviates from their normal pattern - Timing tells online: Very fast or very slow actions - Physical tells live: See our [poker tells guide](https://gtogecko.com/blog/poker-tells-guide) - Board texture: Missed draws are obvious on certain runouts When to Call Down Bluffs Use [combo counting](https://gtogecko.com/blog/combo-counting) to determine if calling is profitable: Bluff-Catching Decision River: A ♥ K ♠ 8 ♦ 3 ♣ 2 ♥ Pot: $200, Opponent bets $150 You have: A ♠ 9 ♣ (top pair weak kicker) Analysis: - You're getting 350:150 = 2.33:1 odds - Need to win 30% of the time to break even - Count opponent's value hands: AK, AQ, AJ, sets, two pairs ≈ 25 combos - Count opponent's bluffs: Missed flush draws, QJ, JT, T9 ≈ 20 combos - You win 20/(20+25) = 44% of the time - Conclusion: CALL - you're winning enough to profit Bluffing Against Different Player Types Against Tight Players (Nits) Bluff more: - They fold too often - Increase bluffing frequency by 25-50% - Steal their blinds relentlessly - Triple barrel them on scary boards Against Loose-Passive Players (Calling Stations) Bluff less (almost never): - They call too much - Reduce bluffing frequency by 50-75% - Value bet thinly instead - Only bluff with strong semi-bluffs Against Loose-Aggressive Players (LAGs) Bluff selectively: - They're unpredictable - Use normal GTO frequencies - Be prepared for them to re-bluff you - Sometimes trap with strong hands Against Tight-Aggressive Players (TAGs) Bluff strategically: - They play close to GTO - Use solver-approved bluffing spots - Focus on blockers and range advantage - Study their patterns and exploit deviations Common Bluffing Mistakes 1. Bluffing Without a Plan Before you bluff, ask yourself: - What am I representing? - What hands will my opponent fold? - What if I get called - can I continue bluffing? - Do I have backup equity if called? 2. Always Bluffing the Same Spots Predictable bluffing patterns are easily exploited: - Vary your bluffing locations - Sometimes check your draws, sometimes bet them - Don't always bluff when the third flush card comes - Mix up your bet sizing 3. Giving Up Too Early Many players bluff the flop but give up on the turn: - If you start a bluff, often continue it - Multi-street bluffs (barrels) are often necessary - Opponent calling once doesn't always mean they're strong - Use [pot odds math](https://gtogecko.com/blog/pot-odds-poker-math) to determine if continuing is profitable 4. Bluffing Too Much on the River River bluffs are the riskiest because: - No more cards to improve - Pot is usually large - Opponents often call with bluff-catchers - Your range is defined by earlier actions 5. Not Bluffing Enough Many recreational players don't bluff enough: - They become predictable - Their value bets don't get paid - They miss profitable opportunities - They can't win pots without strong hands Bluffing in Tournaments vs Cash Games Tournament Bluffing Considerations Early stages: - Bluff normally - chips have standard value - Build your table image for later - Avoid unnecessary big bluffs Near the bubble: - Bluff more against medium stacks (they want to survive) - Bluff less against short stacks (they're committed) - Use ICM pressure to your advantage Deep in tournaments: - Bluff to accumulate chips for final table - Be aware of ICM implications - Big stacks can bluff more effectively Learn more about [ICM strategy](https://gtogecko.com/blog/icm-poker-strategy) and tournament play. Cash Game Bluffing Cash games allow for more balanced, GTO-style bluffing: - No ICM pressure - chips = money directly - Can always rebuy - less risk-averse - Longer-term dynamics with same opponents - Table image matters more over time Using Solvers to Study Bluffing Modern poker players use [poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) to study optimal bluffing frequencies: What Solvers Teach About Bluffing - Precise frequencies: Exactly how often to bluff in each spot - Hand selection: Which hands make the best bluffs - Sizing strategies: What bet sizes to use with bluffs - Multi-street plans: When to barrel, when to give up Key Solver Insights - Solvers bluff more than most humans expect - Bet sizing matters enormously for bluffing frequency - Blockers and unblockers are crucial for hand selection - Check-raising is used more frequently than traditional play - River overbets are often highly polarized Practice Exercises: Improve Your Bluffing Exercise 1: Blocker Awareness Drill Review your last 50 river bluffs. Did you have blockers to opponent's calling range? Start paying attention to which cards in your hand affect opponent's range. Exercise 2: Frequency Tracking Track your c-bet frequency for one session. Are you c-betting too much (>80%) or too little ( Exercise 3: Story Telling Before you bluff, verbally (or mentally) explain: "What hand am I representing?" If you can't articulate a credible story, don't bluff. Exercise 4: Combo Counting When facing a potential bluff, [count combos](https://gtogecko.com/blog/combo-counting). How many value hands can they have vs bluffs? Practice this calculation until it becomes automatic. Poker Bluffing FAQ How often should you bluff in poker? Your bluffing frequency should track your bet size. A pot-sized bet wants roughly one bluff for every value bet, while a half-pot bet wants about one bluff for every two value bets. Most low-stakes players bluff far less than these ratios, which makes their value bets easy to fold against. Start from the math, then adjust for how often your specific opponent actually folds. What is the difference between a pure bluff and a semi-bluff? A pure bluff has no realistic way to win at showdown, so it only profits when your opponent folds. A semi-bluff, like a flush draw or open-ended straight draw, can win two ways: by forcing a fold now or by improving to the best hand later. That second path makes semi-bluffs far more forgiving, which is why they should form the bulk of your flop and turn aggression. What are the best cards to bluff with? The best bluffing hands block your opponent's calling range and unblock their folding range. A missed nut flush draw is the classic example: your ace of the flush suit removes their strongest calls while your hand has zero showdown value. Review our [blockers and unblockers guide](https://gtogecko.com/blog/blockers-unblockers) before picking river bluffs, because card removal is what separates profitable bluffs from expensive guesses. Should you bluff against calling stations? Almost never. A bluff only profits when your opponent folds often enough, and calling stations by definition do not fold. Against them, shift your entire strategy toward thin value: bet hands like second pair that you would normally check, and size up your strong hands. Save your bluffs for tight opponents who actually release marginal pairs under pressure. Why do solvers bluff more than most players? Solvers bluff at frequencies that keep opponents indifferent between calling and folding, and those frequencies are higher than human intuition suggests. Humans remember caught bluffs vividly and under-bluff to avoid that pain. The solver feels nothing. It simply prices every [polarized betting range](https://gtogecko.com/blog/polarized-vs-merged-ranges) with the mathematically required share of bluffs, which is why studying solver output expands most players' aggression in healthy ways. Conclusion: The Art and Science of Bluffing Bluffing is simultaneously poker's most exciting and most misunderstood element. Successful bluffing requires: - Mathematical precision: Knowing optimal frequencies and [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) - Psychological awareness: Reading opponents and using [tells](https://gtogecko.com/blog/poker-tells-guide) - Strategic thinking: Understanding [ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) and board textures - Disciplined execution: Bluffing at the right frequency, not too much or too little - Positional awareness: Leveraging [position](https://gtogecko.com/blog/poker-position-strategy) for maximum fold equity Key Takeaways - Balance is everything - bluff enough to protect your value bets but not so much you become exploitable - Bigger bets require fewer bluffs; smaller bets require more bluffs - Semi-bluffs are safer and more profitable than pure bluffs - Blockers matter - bluff when you block opponent's calling range - Position is crucial - bluff more from position - Player type matters - bluff tight players more, calling stations less - Tell a consistent story - your bluff should represent a logical hand - Don't be afraid to triple barrel when the situation is right - Use solvers to study optimal bluffing spots - Track your results and adjust based on data Your Bluffing Roadmap - Master basic [hand rankings](https://gtogecko.com/blog/poker-hand-rankings-guide) and hand strength - Learn optimal [position-based play](https://gtogecko.com/blog/poker-position-strategy) - Understand [pot odds and math](https://gtogecko.com/blog/pot-odds-poker-math) - Study [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) - Learn [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) - Practice semi-bluffing with draws first - Gradually add pure bluffs to your game - Study with [solvers](https://gtogecko.com/blog/how-to-use-poker-solver) to refine frequencies - Implement [exploitative adjustments](https://gtogecko.com/blog/gto-vs-exploitative) against weak opponents - Continuously track and analyze your bluffing results The best poker players aren't those who never bluff or those who always bluff - they're those who bluff exactly the right amount at exactly the right times. Master the art and science of bluffing, and you'll unlock one of poker's most powerful weapons. Start practicing these concepts today, and watch your win rate soar. Ready to perfect your bluffing strategy? Use [GTO Gecko](https://play.gtogecko.com/) to study optimal bluffing frequencies, analyze your bluffing patterns, and develop the balanced approach that makes you unexploitable while maximizing profit. The difference between good players and great players is knowing exactly when to pull the trigger on that perfect bluff. ### Poker Hand Rankings: Complete List Best to Worst https://gtogecko.com/blog/poker-hand-rankings-guide Understanding poker hand rankings is the foundation of becoming a winning poker player. Whether you're a complete beginner or looking to refine your hand evaluation skills, this comprehensive guide covers everything from basic hand rankings to advanced concepts like kickers, board texture, and relative hand strength. Master these fundamentals, and you'll be well on your way to making better decisions at the poker table. Poker Hand Rankings: Complete List from Best to Worst In standard poker (Texas Hold'em, Omaha, and most variants), hands are ranked in the following order. The best possible hand is a Royal Flush, and the worst is a high card. Here's the complete ranking: 1. Royal Flush - The Unbeatable Hand Definition: A, K, Q, J, 10, all of the same suit Example: A ♠ K ♠ Q ♠ J ♠ 10 ♠ Probability: 0.000154% (1 in 649,740 hands) The Royal Flush is the strongest possible hand in poker and cannot be beaten. It's the dream hand every player hopes to see at least once in their poker career. When you have a Royal Flush, your only concern is how to extract maximum value from your opponents. Royal Flush Strategy If you flop or turn a Royal Flush, your goal is to build the pot as large as possible. Consider: - Slow-playing on the flop to let opponents catch up - Betting if the board is coordinated and opponents might have strong hands - Trapping aggressive players who might bluff into you - Going all-in on the river - you literally cannot lose 2. Straight Flush - Five Sequential Cards of the Same Suit Definition: Five consecutive cards of the same suit (not A-K-Q-J-10) Example: 9 ♥ 8 ♥ 7 ♥ 6 ♥ 5 ♥ Probability: 0.00139% (1 in 72,193 hands) A Straight Flush is extremely rare and almost always the winning hand. The higher the cards in your straight flush, the better. A straight flush to the King (K-Q-J-10-9) beats a straight flush to the 9 (9-8-7-6-5). Special case: The wheel straight flush (5-4-3-2-A of the same suit) is the lowest possible straight flush, but it's still an incredibly strong hand. 3. Four of a Kind (Quads) - Four Cards of the Same Rank Definition: Four cards of the same rank, plus any fifth card (kicker) Example: 8 ♠ 8 ♥ 8 ♦ 8 ♣ K ♠ Probability: 0.024% (1 in 4,165 hands) Four of a Kind is an extremely powerful hand. The rank of the four cards determines the winner if multiple players have quads. Four Aces beats Four Kings, Four Kings beats Four Queens, and so on. Kicker importance: If two players have the same four of a kind (only possible when quads are on the board), the fifth card (kicker) determines the winner. Four of a Kind Example Board: 8 ♠ 8 ♥ 8 ♦ K ♣ 3 ♥ Player 1: 8 ♣ A ♠ (Four 8s with Ace kicker) Player 2: K ♠ Q ♥ (Full House: Kings over Eights) Winner: Player 1 - Four of a Kind beats Full House 4. Full House (Boat) - Three of a Kind + One Pair Definition: Three cards of one rank and two cards of another rank Example: K ♠ K ♥ K ♦ 9 ♣ 9 ♠ (Kings full of Nines) Probability: 0.1441% (1 in 694 hands) A Full House is a very strong hand that wins most pots. When comparing Full Houses, the rank of the three-of-a-kind determines the winner, not the pair. Examples of Full House hierarchy: - Aces full of Kings (A-A-A-K-K) beats Kings full of Aces (K-K-K-A-A) - Queens full of Deuces (Q-Q-Q-2-2) beats Jacks full of Aces (J-J-J-A-A) - The three-of-a-kind always matters most 5. Flush - Five Cards of the Same Suit Definition: Five cards of the same suit, not in sequence Example: A ♦ J ♦ 9 ♦ 5 ♦ 3 ♦ Probability: 0.1965% (1 in 509 hands) A Flush is a strong hand, especially when you have the nut flush (Ace-high). When multiple players have flushes, the player with the highest card wins. If the highest cards are equal, compare the second-highest, and so on. Nut flush advantage: Having the Ace of the flush suit means you have the best possible flush. This is crucial information for value betting and avoiding coolers. Flush Comparison Example Player 1: A ♥ 8 ♥ (Flush: A-K-J-8-3) Player 2: Q ♥ 9 ♥ (Flush: K-Q-J-9-3) Board: K ♥ J ♥ 3 ♥ 7 ♣ 2 ♠ Winner: Player 1 - Ace-high flush beats King-high flush 6. Straight - Five Sequential Cards of Mixed Suits Definition: Five consecutive cards of different suits Example: 10 ♥ 9 ♠ 8 ♦ 7 ♣ 6 ♥ Probability: 0.3925% (1 in 255 hands) A Straight is a medium-strength hand that can win big pots or lose big pots depending on the situation. The highest card in the straight determines its rank. The wheel (A-2-3-4-5): The Ace can be used as either the high card in a straight (A-K-Q-J-10) or as the low card in a "wheel" straight (5-4-3-2-A). The wheel is the lowest possible straight. Important: Straights do not "wrap around." K-A-2-3-4 is NOT a straight. 7. Three of a Kind (Trips or Set) - Three Cards of the Same Rank Definition: Three cards of the same rank, plus two unrelated cards Example: J ♠ J ♥ J ♦ 8 ♣ 4 ♠ Probability: 2.1128% (1 in 47 hands) Terminology difference: - Set: When you have a pocket pair and hit one on the board (e.g., you have 9-9, board has 9-K-3) - Trips: When you have one card matching a pair on the board (e.g., you have A-9, board has 9-9-3) Sets are much more disguised than trips and typically win bigger pots because opponents can't see the pair in your hand. 8. Two Pair - Two Cards of One Rank + Two Cards of Another Rank Definition: Two pairs of cards with the same rank, plus one unrelated card (kicker) Example: Q ♥ Q ♠ 7 ♦ 7 ♣ A ♥ Probability: 4.7539% (1 in 21 hands) Two Pair is a medium-strength hand. When comparing two-pair hands, the highest pair determines the winner. If those are equal, the second pair is compared. If both pairs are equal, the kicker decides. Example: Queens and Sevens beats Jacks and Tens, even though Tens are higher than Sevens. 9. One Pair - Two Cards of the Same Rank Definition: Two cards of the same rank, plus three unrelated cards Example: 10 ♠ 10 ♥ A ♦ 8 ♣ 3 ♠ Probability: 42.2569% (1 in 2.37 hands) One Pair is the most common made hand in poker. The rank of the pair matters most, followed by the kickers. You'll frequently play for small pots with one pair and need to be cautious about over-committing chips. Overpair vs. underpair: - Overpair: Your pocket pair is higher than any card on the board (you have K-K, board is 10-8-3) - Underpair: Your pocket pair is lower than a card on the board (you have 9-9, board is K-8-3) 10. High Card - No Made Hand Definition: Five unrelated cards with no pairs, straights, or flushes Example: A ♥ K ♠ J ♦ 9 ♣ 4 ♠ (Ace-high) Probability: 50.1177% (about 1 in 2 hands) High Card is the weakest hand category. When no player has made a hand (extremely rare), the highest card wins. If the highest cards are equal, compare the second-highest, and so on. In practice, high card rarely wins at showdown in multi-way pots, but Ace-high can be a winner in heads-up situations, especially on missed draw boards. Understanding Kickers: The Fifth Card That Matters A kicker is a card that doesn't contribute to the main ranking of your hand but is used to break ties. Understanding kickers is crucial for hand evaluation. When Kickers Matter One Pair situations: Board: K ♠ K ♥ 9 ♦ 5 ♣ 2 ♠ Player 1: A ♥ 8 ♦ (Pair of Kings with A-9-5 kickers) Player 2: Q ♣ J ♠ (Pair of Kings with Q-J-9 kickers) Winner: Player 1 - Ace kicker beats Queen kicker Kicker quality importance: - Ace kicker is premium - play aggressively - King or Queen kicker is good - proceed with caution - Jack or lower kicker is weak - often fold to aggression Counterfeited Kickers Sometimes the board "counterfeits" your kicker, making it irrelevant: Board: K ♠ K ♥ A ♦ Q ♣ J ♠ You have: K ♣ 5 ♥ Your best hand: K-K-K-A-Q (your 5 doesn't play - the board's A-Q-J are all better kickers) If your opponent also has a King, you'll chop (tie) because both players use the same five cards: K-K-K-A-Q Reading the Board: How to Identify Your Best Five Cards In Texas Hold'em, you make the best five-card hand using any combination of your two hole cards and the five community cards. Let's practice reading boards: Example 1: Identifying Your Hand Your cards: A ♥ K ♥ Board: K ♠ K ♦ 9 ♥ 4 ♥ 2 ♣ Your hand: Three of a Kind (Trip Kings) Best five cards: K ♠ K ♦ K ♥ A ♥ 9 ♥ Example 2: Playing the Board Your cards: 7 ♣ 2 ♦ Board: A ♠ K ♥ Q ♦ J ♣ 10 ♠ Your hand: Straight (Broadway - A-K-Q-J-10) Note: You're "playing the board" - your hole cards don't improve the straight on the board. Any opponent also has the same straight, so you'll chop the pot unless someone has a flush. Example 3: Flush with Ace Kicker Your cards: A ♠ 3 ♠ Board: K ♠ 8 ♠ 5 ♠ 9 ♥ 2 ♣ Your hand: Nut Flush (Ace-high flush) Best five cards: A ♠ K ♠ 8 ♠ 5 ♠ 3 ♠ This is the best possible flush - no one can have a higher flush than Ace-high. Relative Hand Strength: Context Matters A hand's absolute strength (where it ranks) is less important than its relative strength (how it compares to opponent ranges in specific situations). This concept is fundamental to [GTO poker strategy](https://gtogecko.com/blog/what-is-gto-poker). Board Texture and Hand Strength Dry boards (few draws, disconnected cards): - Top pair is very strong - Overpairs are premium - Bluffs have less credibility - Example: K ♥ 7 ♦ 2 ♣ rainbow Wet boards (many possible draws and made hands): - Top pair is vulnerable - You need two pair or better for comfort - [Bluffs](https://gtogecko.com/blog/poker-bluffing-strategy) are more credible - Example: J ♥ 10 ♥ 9 ♠ Multi-Way vs Heads-Up Pots Heads-up (1v1): - Top pair top kicker is often good enough to get all-in - Ace-high can win at showdown - Bluffing is more effective Multi-way (3+ players): - Someone usually has a strong hand - You typically need two pair or better - Bluffing is less effective - Drawing hands have better implied odds Hand Strength by Street Pre-Flop Hand Strength Pre-flop, hand strength is determined by potential to make strong hands post-flop. Here's a general ranking: Premium Hands (Top 5%): - AA, KK, QQ, JJ, AKs (suited Ace-King) - These hands are profitable from any position - Should almost always raise or [3-bet](https://gtogecko.com/blog/what-is-a-3-bet) Strong Hands (Top 15%): - TT, 99, AKo, AQs, AJs, KQs - Profitable from most positions - Raise from all but early position Playable Hands (Top 25%): - 88, 77, AQo, AJo, KQo, suited connectors like JTs, T9s - Position-dependent profitability - Raise from late position, fold or call from early position For detailed pre-flop strategy by position, see our [poker position strategy guide](https://gtogecko.com/blog/poker-position-strategy) and our [GTO preflop charts for every position](https://gtogecko.com/blog/preflop-charts-opening-ranges). Flop Hand Strength On the flop, categorize your hand: Monsters (top of your range): - Sets, straights, flushes, two pair - Bet for value, build the pot - Consider slow-playing on dry boards Strong made hands: - Top pair top kicker, overpairs - Bet for value and protection - Can call down versus aggression Medium-strength hands: - Top pair weak kicker, middle pair, weak two pair - Bet for thin value or pot control - Difficult to play profitably Draws: - Flush draws, straight draws, combo draws - Semi-bluff or call for the right price - See our [pot odds guide](https://gtogecko.com/blog/pot-odds-poker-math) for draw math Weak hands / Air: - Nothing made, no draws - Bluff occasionally or give up - Don't over-bluff in multi-way pots Advanced Hand Evaluation Concepts Blockers and Hand Removal The cards in your hand affect what hands your opponents can have. This is called card removal or blockers: Blocker Example Board: K ♥ Q ♥ J ♥ 4 ♣ 2 ♠ You have: A ♥ 8 ♦ You have the nut flush. Additionally, your A ♥ blocks the opponent from having A ♥ T ♥ for a royal flush or A ♥ X ♥ for a higher flush. This makes your hand even more valuable. Learn more about advanced blocker concepts in our [blockers and unblockers guide](https://gtogecko.com/blog/blockers-unblockers). Nut Advantage and Range Advantage Nut advantage: When your range contains more of the strongest possible hands than your opponent's range. Range advantage: When your overall range is stronger than your opponent's range. Range Advantage Example You raise from the Button, Big Blind calls. Flop: A ♠ K ♥ 3 ♦ Your range advantage: As the pre-flop raiser, you have all the strong Aces (AK, AQ, AJ) and big pairs (AA, KK). The BB's calling range contains fewer of these premium hands. Strategy implication: You can bet this flop with high frequency, including with bluffs, because your range is perceived as stronger. Understanding ranges is crucial for modern poker. See our guide on [understanding ranges in poker](https://gtogecko.com/blog/understanding-ranges-in-poker). Hand Equity vs Showdown Value [Equity](https://gtogecko.com/blog/poker-equity-explained): Your hand's mathematical chance of winning at showdown Showdown value: Whether your hand is strong enough to win without improving Equity vs Showdown Value Hand 1: K ♥ Q ♥ on a A ♥ 9 ♥ 3 ♣ board High equity (flush draw): About 35% to win with one card to come Low showdown value: King-high almost never wins without improving Hand 2: 9 ♠ 9 ♦ on a 9 ♥ 8 ♣ 2 ♠ board High equity: About 90%+ to win High showdown value: Middle set is almost certainly best right now Common Hand Ranking Mistakes 1. Overvaluing Top Pair on Wet Boards Many players get married to top pair even when the board is extremely coordinated with flush and straight possibilities. On wet boards, top pair is often just a bluff-catcher. 2. Undervaluing Sets Sets are much stronger than many players realize, especially on dry boards. They're disguised, can improve to full houses, and beat most hands people call with. 3. Not Recognizing Counterfeited Hands When the board pairs or completes obvious draws, your hand value can change dramatically. A hand that was strong on the turn might be worthless on the river. Counterfeiting Example Turn: A ♥ K ♠ 7 ♦ 3 ♣ Your hand: A ♠ 7 ♥ (Two pair, Aces and Sevens) River: K ♥ Now your hand is A-A-K-K-7, but anyone with A-K has A-A-K-K with a better kicker than your 7. Your two pair has been counterfeited into a weaker two pair. 4. Ignoring Suit Coordination When three cards of the same suit appear on the board, any flush beats your straight. When four cards of a suit appear, anyone with a single card of that suit has you beat. 5. Confusing Straights Around the Ace Remember: K-A-2-3-4 is NOT a straight. The Ace can only be high (A-K-Q-J-10) or low (5-4-3-2-A), not both in the same hand. Hand Rankings in Different Poker Variants Texas Hold'em Standard hand rankings apply. Most common variant both live and online. Omaha and Omaha Hi-Lo Hand rankings are identical, but you must use exactly two cards from your hand and three from the board. This creates many more possible combinations. Important Omaha rule: You CANNOT use three or four cards from your hand, even if it makes a better hand. Omaha Example Your hand: A ♠ A ♥ A ♦ K ♣ Board: A ♣ K ♠ K ♥ 9 ♦ 2 ♣ Your hand is NOT four Aces. You can only use two cards from your hand. Your actual hand: Full House - Aces full of Kings (using A-A from hand, A-K-K from board) Short Deck (6+ Hold'em) Uses a deck with all cards 2-5 removed. Hand rankings are slightly different: - Flush beats Full House (flushes are rarer with fewer cards) - The straight/three-of-a-kind order depends on the house rules; [PokerStars 6+](https://www.pokerstars.com/poker/games/six-plus/) keeps a straight above three of a kind - A-6-7-8-9 is a straight (Ace can be low) - All other rankings remain the same For the 36-card draw math behind this format, see our exhaustive [Short Deck Rule of 3 and 6 study](https://gtogecko.com/blog/short-deck-rule-of-3-and-6). Probability and Hand Rankings: The Math Understanding the [probability of making different hands](https://gtogecko.com/blog/poker-outs-and-odds) helps with decision-making: Probability of Being Dealt Pre-Flop Hands Hand Probability Odds Any pocket pair 5.88% 16:1 Specific pocket pair (e.g., AA) 0.45% 220:1 AK (suited or unsuited) 1.21% 82:1 Any suited cards 23.5% 3.25:1 Probability of Making Hands by the River Starting Hand Hand Made Probability Pocket pair Set or better 12% Suited cards Flush 6.5% Connected cards Straight 10-15% Any two cards One pair or better 49% For detailed odds calculations, check out our [pot odds and poker math guide](https://gtogecko.com/blog/pot-odds-poker-math), or run any specific matchup through the free [poker odds calculator](https://gtogecko.com/poker-odds-calculator). Using Hand Rankings in Game Theory Optimal (GTO) Play Modern poker strategy uses hand rankings as a foundation but focuses more on ranges and frequencies. [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) involves: Polarized vs Merged Ranges Polarized range: Contains very strong hands and bluffs, with few medium-strength hands Merged (condensed) range: Contains many medium-strength hands Understanding which range you and your opponent have affects how you value your specific hand. Learn more in our guide on [polarized vs merged ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges). Hand Categories in GTO Play Rather than thinking "I have two pair," think: - "Is this in the top X% of my range?" - "How does this compare to opponent's likely holdings?" - "What frequency should I bet/call/fold with this hand category?" Use [poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) to study how hand strength translates to optimal actions across different board textures. Practice: Test Your Hand Reading Skills Quiz 1: Identify the Winner Board: Q ♠ Q ♥ 9 ♦ 9 ♣ 2 ♠ Player 1: A ♥ K ♦ Player 2: K ♣ J ♠ Answer: Player 1 wins. Both have Q-Q-9-9 (two pair from the board), but Player 1's Ace kicker beats Player 2's King kicker. Quiz 2: What's the Nut Hand? Board: 8 ♥ 7 ♥ 6 ♠ 5 ♣ 2 ♥ Answer: 9 ♥ 4 ♥ makes a straight flush (9-8-7-6-5 of hearts). This beats the nut flush (A ♥ K ♥ ) and the nut straight (9-8). Quiz 3: Calculate Your Hand Your cards: K ♥ Q ♥ Board: A ♥ J ♥ 10 ♠ 3 ♣ 9 ♦ Answer: You have a Royal Flush! A ♥ K ♥ Q ♥ J ♥ 10 ♥ - the best possible hand in poker. Hand Rankings Cheat Sheet for Quick Reference - Royal Flush: A-K-Q-J-10, same suit (unbeatable) - Straight Flush: Five sequential cards, same suit - Four of a Kind: Four cards of same rank - Full House: Three of a kind + pair - Flush: Five cards of same suit - Straight: Five sequential cards, mixed suits - Three of a Kind: Three cards of same rank - Two Pair: Two pairs of different ranks - One Pair: Two cards of same rank - High Card: No made hand Poker Hand Rankings FAQ What is the best hand in poker? The royal flush: A-K-Q-J-10, all in the same suit. It is the one hand in poker that cannot be beaten, and it shows up about once every 649,740 hands, so most players see only a handful in a lifetime. Below it sit the straight flush, four of a kind, and full house, in that order. Does a flush beat a straight? Yes. In Texas Hold'em and Omaha, a flush always beats a straight because five suited cards are statistically rarer than five sequential ones. The single exception is short deck (6+ Hold'em), where the deuces through fives are removed: with fewer cards per suit, flushes become rarer than full houses and get promoted above them in the rankings. What happens if two players have the same hand? The kicker decides. If both players hold a pair of kings, the highest unpaired card wins the pot, which is why A-K crushes K-Q on a king-high board. When all five cards in both final hands are identical in rank, the pot is split. Suits never break ties in standard poker, a detail that surprises many beginners. What beats a full house in poker? Only three hands: four of a kind, a straight flush, and a royal flush. That makes a full house a near-lock in most pots, though boats can still lose to bigger boats. When comparing two full houses, the three-of-a-kind component decides the winner, so kings full of twos beats queens full of aces every time. Conclusion: Mastering Hand Rankings is Just the Beginning Understanding poker hand rankings is essential, but it's only the foundation. The best poker players know that: - Context matters more than absolute hand strength: A flush on a paired board might be worthless - Position affects hand value: Learn [positional strategy](https://gtogecko.com/blog/poker-position-strategy) - Opponent ranges define hand strength: Study [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) - Math informs decisions: Master [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) - Hand combinations affect ranges: Learn [combo counting](https://gtogecko.com/blog/combo-counting) Your Learning Path - Memorize hand rankings until they're automatic - Practice reading boards and identifying the nuts - Study how board texture affects hand strength - Learn pre-flop hand selection by position - Understand kickers and tiebreakers - Progress to range-based thinking - Study GTO fundamentals with solvers - Apply exploitative adjustments based on opponents Master these fundamentals, and you'll have the foundation to become a winning poker player. Hand rankings are just the beginning - combine them with solid [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker), [tell reading](https://gtogecko.com/blog/poker-tells-guide), and proper [bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros) to crush the games. Ready to take your poker knowledge to the next level? Use [GTO Gecko](https://play.gtogecko.com/) to study optimal strategies, practice hand evaluation, and browse the free preflop range library with no credit card required. Understanding hand rankings is your first step toward poker mastery. ### Poker Outs and Odds: Calculate Your Winning Chances https://gtogecko.com/blog/poker-outs-and-odds Understanding poker outs and odds is fundamental to making profitable decisions at the table. Whether you're drawing to a flush, trying to complete a straight, or deciding if a call is mathematically justified, knowing how to quickly calculate your chances of winning is essential. This comprehensive guide will teach you everything from basic out counting to advanced implied odds calculations, making you a more informed and profitable poker player. What Are Poker Outs? An "out" is any card that will improve your hand to likely the winning hand. Accurately counting your outs is the foundation of all odds calculations in poker. The Basics of Counting Outs When counting outs, you must identify which cards will give you the best hand. Let's look at common drawing situations: Flush Draw Example Your hand: A ♥ K ♥ Flop: Q ♥ 7 ♥ 3 ♣ Out count: 9 outs (the 9 remaining hearts) - 13 total hearts in the deck - You have 2 hearts (A ♥ K ♥ ) - 2 hearts on the flop (Q ♥ 7 ♥ ) - 13 - 2 - 2 = 9 hearts remaining Common Drawing Hands and Their Outs Flush Draws 9 outs - You have two suited cards, and two more of that suit are on the board - Example: You have J ♠ 10 ♠ , board is K ♠ 6 ♠ 2 ♥ - Any of the 9 remaining spades completes your flush Open-Ended Straight Draws (OESD) 8 outs - You can complete your straight with cards on either end - Example: You have 9 ♥ 8 ♦ , board is 7 ♣ 6 ♠ 2 ♥ - Four 10s and four 5s complete your straight (8 total outs) Gutshot Straight Draws (Inside Straight) 4 outs - You need one specific rank to complete your straight - Example: You have 9 ♥ 8 ♦ , board is J ♣ 7 ♠ 2 ♥ - Only the four 10s complete your straight Two Overcards 6 outs - Both your hole cards are higher than any board card - Example: You have A ♥ K ♦ , board is 9 ♣ 7 ♠ 3 ♥ - Three Aces and three Kings give you top pair (6 outs) - Note: Assumes making top pair wins the hand Set to Full House or Quads 7 outs (on the turn), 10 outs (on the flop) - Example: You have 7 ♥ 7 ♦ , board is 7 ♣ 9 ♠ 3 ♥ - 1 out for quads (the remaining 7) - 6 outs for full house (three 9s and three 3s on the turn) - 9 outs if you're on the flop (any pair on turn and river) Combo Draws (Multiple Draw Types) When you have multiple ways to improve, add the outs together: Flush Draw + Straight Draw Your hand: J ♥ 10 ♥ Flop: K ♥ 9 ♥ 8 ♣ Out count: 15 outs - 9 hearts for the flush - 3 Queens for the straight (the Q ♥ is already counted in hearts) - 3 Sevens for the straight (the 7 ♥ is already counted in hearts) - Total: 9 + 3 + 3 = 15 outs This is called a "monster draw" and is often ahead of one-pair hands! Calculating Your Odds: The Rule of 2 and 4 The "Rule of 2 and 4" is a shortcut for estimating the chance of hitting your outs and completing a draw. Keep that separate from [hand equity](https://gtogecko.com/blog/poker-equity-explained) against an opponent range. How the Rule of 2 and 4 Works On the flop (two cards to come): Multiply your outs by 4 On the turn (one card to come): Multiply your outs by 2 Rule of 2 and 4 Examples Flush draw on the flop (9 outs): - 9 outs × 4 = 36% chance to complete by the river - Actual odds: ~35% Flush draw on the turn (9 outs): - 9 outs × 2 = 18% chance to complete on the river - Actual odds: ~19.6% Open-ended straight draw on the flop (8 outs): - 8 outs × 4 = 32% chance to complete by the river - Actual odds: ~31.5% Short Deck note: A 36-card deck has different denominators. Use our [exact Rule of 3 and 6 study](https://gtogecko.com/blog/short-deck-rule-of-3-and-6) instead of transferring the Hold'em shortcut. When the Rule of 2 and 4 is Less Accurate The rule becomes less accurate with very high numbers of outs (15+). For more precision with big draws: - 15 outs or more: Use (Outs × 4) - (Outs - 8) for flop to river - Example with 15 outs: (15 × 4) - (15 - 8) = 60 - 7 = 53% - Actual odds: ~54% Converting Outs to Exact Percentages For those who want precision, here's how to calculate exact odds: Probability Formula One card to come (turn or river): Probability = (Number of Outs) / (Unknown Cards Remaining) - After the flop: 47 unknown cards (52 - 2 hole cards - 3 flop cards) - After the turn: 46 unknown cards (52 - 2 hole cards - 4 board cards) Two cards to come (flop to river): The calculation is more complex. Use this approximation: - Probability ≈ 1 - [(47 - outs)/47] × [(46 - outs)/46] Odds Table: Common Draws Outs Flop to River Turn to River Example Hand 20 67.5% 43.5% Flush draw + straight draw + overcard 15 54.1% 32.6% Flush draw + straight draw 12 45.0% 26.1% Flush draw + gutshot 9 35.0% 19.6% Flush draw 8 31.5% 17.4% Open-ended straight draw 6 24.1% 13.0% Two overcards 4 16.5% 8.7% Gutshot straight draw 2 8.4% 4.3% Pocket pair to set Want exact numbers without the algebra? The free [poker odds calculator](https://gtogecko.com/poker-odds-calculator) computes hand-vs-hand and hand-vs-range equity on any street, right in your browser. Pot Odds: Should You Call? Knowing your outs is only half the equation. You must compare your odds of winning to the pot odds you're being offered to determine if a call is profitable. What Are Pot Odds? Pot odds are the ratio of the current pot size to the cost of a contemplated call. Formula: Pot Odds = Amount to Call / (Pot Size + Amount to Call) Pot Odds Example Pot: $100 Opponent bets: $50 You must call: $50 Pot odds calculation: Pot odds = $50 / ($100 + $50) = $50 / $150 = 33.3% Meaning: You need to win at least 33.3% of the time for calling to break even. Comparing Pot Odds to Card Odds The decision is simple: - If your winning % > pot odds %: CALL (profitable) - If your winning % FOLD (unprofitable) - If your winning % = pot odds %: Break-even (call or fold, doesn't matter long-term) Complete Decision Example Your hand: A ♥ K ♥ Flop: Q ♥ 7 ♥ 3 ♣ Pot: $100 Opponent bets: $50 Step 1 - Count outs: 9 outs (flush draw) Step 2 - Calculate equity: 9 × 2 = 18% on the turn only Step 3 - Calculate pot odds: $50 / ($150) = 33.3% Decision: 18% equity This is a FOLD if we're only looking at turn card. BUT: If you expect to see both turn and river (opponent won't bet turn), your equity is 9 × 4 = 36% 36% equity > 33.3% pot odds = CALL (profitable) For more detailed pot odds calculations, see our [pot odds and poker math guide](https://gtogecko.com/blog/pot-odds-poker-math). Implied Odds: Future Value Consideration Pot odds only consider the current pot. Implied odds factor in money you expect to win on future streets if you hit your draw. What Are Implied Odds? Implied odds estimate how much additional money you'll win if you complete your draw. This makes marginal calls profitable when you expect to get paid on later streets. Implied Odds Example Situation: - Pot: $100 - Opponent bets: $50 - You have: 9 out flush draw (18% equity on turn) - Effective stacks: $500 Immediate pot odds: Need 33.3% equity, have only 18% = Not profitable But consider implied odds: If you hit your flush, you expect opponent to call at least a $100 bet on the river because: - The flush isn't obvious (only 2 hearts on board after turn) - Opponent has shown strength by betting - They'll likely have a hand worth calling with Implied pot: $100 (current) + $50 (your call) + $100 (future winnings) = $250 Implied pot odds: $50 / $250 = 20% Your equity: 18% Still slightly -EV, but much closer! If you think you can win $150+ more, the call becomes profitable. When Implied Odds are High - Deep stacks: More money behind means more potential profit - Disguised draws: Backdoor flushes, hidden straights - Passive opponents: They'll call down with weak hands - Strong opponent ranges: They have hands worth paying you off When Implied Odds are Low (Reverse Implied Odds) Sometimes hitting your draw can cost you money. This is called "reverse implied odds." - Obvious draws: Third flush card on board - they won't pay you - Low flush/straight draws: Opponent may have higher flush/straight - Short stacks: Not enough money to win if you hit - Tight opponents: They'll fold if scare cards come Reverse Implied Odds Example Your hand: 7 ♥ 6 ♥ Flop: 9 ♥ 3 ♥ K ♣ Problem: You have a flush draw, but if a heart comes: - It's extremely obvious (third heart on board) - Opponents will shut down and not pay you - If they DO pay you, they likely have a higher flush - You have the worst possible flush draw Conclusion: Poor implied odds + reverse implied odds = Avoid this situation Discounting Outs: Not All Outs Are Clean Sometimes an "out" doesn't actually give you the winning hand. You must discount outs that may not be good. When to Discount Outs Separate immediate outs from backdoor routes Your hand: J♥T♥. Flop: K♥Q♠7♣. An ace or nine completes a straight on the turn: eight candidate cards before accounting for known opposing cards. There are only three hearts across your hole cards and the flop, so one more heart does not complete a flush. Hearts are a backdoor route requiring both turn and river; do not add nine immediate flush outs. See the [complete backdoor-draw turn map](https://gtogecko.com/blog/backdoor-draw-poker) for how to combine two-card routes without double-counting. If the opponent holds A♣K♦, that known ace leaves only three aces and four nines available. An ace turn gives Hero a straight and the opponent two pair; it does not make the opponent's hand stronger than the straight. Against K♣K♦, all eight straight-completing cards remain available, but the opponent can redraw to a full house or quads on a later river. Count physical cards first, then evaluate the opponent's best hand and possible redraws. Common Situations Requiring Discounting - Flush draws on paired boards: Opponent might have full house - Straight draws when flush is possible: Your straight might lose to flush - Overcards when opponent shows strength: They might have you dominated - Two pair draws when board is coordinated: Opponent might have straights/flushes Equity Calculation: Advanced Concepts Multiple Opponents and Equity Your equity decreases when facing multiple opponents: Multi-Way Pot Equity Heads-up with a flush draw: ~36% equity Three-way with a flush draw: ~24% equity Four-way with a flush draw: ~18% equity Why? You need to beat ALL opponents, not just one. Equity vs Specific Hands Your equity changes dramatically based on what your opponent holds. Understanding [hand ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) helps you estimate equity more accurately. Fold Equity When you bet or raise, you have two ways to win: - Opponent folds (fold equity) - You have the best hand at showdown (pot equity) This is the foundation of [bluffing strategy](https://gtogecko.com/blog/poker-bluffing-strategy) and semi-bluffing. Practical Applications: Using Outs and Odds at the Table Quick Mental Math Shortcuts The "45% Rule" for Combo Draws: - 15 outs = roughly 45% equity by river (remember: 54%) - Close enough for quick decisions Common Percentages to Memorize: - Flush draw: ~35% (flop to river), ~19% (turn to river) - OESD: ~32% (flop to river), ~17% (turn to river) - Gutshot: ~17% (flop to river), ~9% (turn to river) - Set to full house: ~33% (turn to river with 7 outs) Decision Trees Based on Outs 15+ outs (monster draw): - Almost always call - Often profitable to raise - You're often ahead of one-pair hands 9-14 outs (strong draw): - Call with good pot odds - Semi-bluff raise in position - Consider implied odds 6-8 outs (marginal draw): - Need good pot odds to call - Heavily factor in implied odds - Consider [position](https://gtogecko.com/blog/poker-position-strategy) 4 or fewer outs (weak draw): - Usually fold without excellent pot/implied odds - Exception: Deep stacks with strong implied odds Common Mistakes with Outs and Odds 1. Overestimating Outs The biggest mistake is counting "dirty outs" that don't actually win: - Counting overcards when opponent likely has two pair or better - Counting straight cards when flush is possible - Not discounting outs on dangerous boards 2. Ignoring Implied Odds Some players only consider pot odds and fold profitable draws: - With deep stacks, draws are more valuable - Against passive opponents, you'll get paid when you hit - Hidden draws have great implied odds 3. Chasing Bad Draws Conversely, chasing without proper odds is a leak: - Gutshots without proper pot/implied odds - Weak flush draws with reverse implied odds - Drawing to non-nut hands in multi-way pots 4. Not Accounting for Fold Equity When you can bet or raise, your equity increases: - Semi-bluffing with draws adds fold equity - You win immediately when opponents fold - This makes aggressive play with draws profitable 5. Static Thinking Outs change as the hand develops: - A flush draw on the flop might be dead if board pairs (full house possible) - A straight draw might improve to straight + flush draw on turn - Re-evaluate on each street Outs and Odds in Different Game Formats Cash Games - Deep stacks favor drawing hands: Better implied odds - Set mining is profitable: 2 outs for set, but huge implied odds at 100bb+ - Speculative hands have value: Suited connectors, small pairs Tournaments - Shorter stacks reduce implied odds: Can't win as much when you hit - ICM affects decisions: Survival value makes draws less attractive near bubble - All-in situations common: Often see both turn and river, use flop-to-river odds Learn more about tournament considerations in our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy). Short-Handed vs Full-Ring - 6-max: Play more aggressively with draws (fewer opponents) - 9-max: More conservative with marginal draws (more opponents) Using Technology: Equity Calculators and Solvers Equity Calculators Tools that calculate exact equity against specific hands or ranges: - Use for: Hand analysis, studying ranges - Popular tools: Equilab, PokerStove, Flopzilla - Free in-browser option: The [GTO Gecko poker odds calculator](https://gtogecko.com/poker-odds-calculator) works on any device with no install - Practice: Calculate outs and odds manually, then check with calculator Poker Solvers [Poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) show optimal play including when to call/fold draws: - Study which draws solvers continue with - Learn optimal bet sizing with draws - Understand when to semi-bluff vs call Practice Exercises Exercise 1: Count the Outs Your hand: 8 ♠ 7 ♠ Flop: 9 ♠ 6 ♥ 2 ♠ Count your outs: Answer: 15 outs - 9 spades for flush (13 total - 4 already seen) - 3 Tens for straight (the 10 ♠ is already counted) - 3 Fives for straight (the 5 ♠ is already counted) - Total: 9 + 3 + 3 = 15 outs Exercise 2: Calculate Pot Odds Pot: $200 Opponent bets: $100 You must call: $100 What % equity do you need to call? Answer: $100 / ($200 + $100 + $100) = $100 / $400 = 25% You need at least 25% equity to make calling break-even. Exercise 3: Make the Decision Your hand: Q ♥ J ♥ Flop: A ♥ 10 ♣ 3 ♥ Pot: $80 Opponent bets: $40 Should you call? Analysis: - Outs: 9 hearts + 3 Kings (gutshot, K ♥ already counted) = 12 outs - Equity: 12 × 4 = 48% (flop to river, assuming you see both cards) - Pot odds: $40 / ($80 + $40 + $40) = 25% - 48% equity > 25% pot odds = CALL (very profitable!) Cheat Sheet: Quick Reference Common Outs - Flush draw: 9 outs (~35% by river) - OESD: 8 outs (~32% by river) - Two overcards: 6 outs (~24% by river) - Gutshot: 4 outs (~17% by river) - Set to full house (turn): 7 outs (~30% to river) - Combo draw (flush + OESD): 15 outs (~54% by river) Rule of 2 and 4 - Flop to river: Outs × 4 = rough % equity - Turn to river: Outs × 2 = rough % equity - Adjust down for 15+ outs for accuracy Pot Odds Formula - Pot odds % = Call Amount / (Pot + Call Amount) - If equity % > pot odds %, call - If equity % Conclusion: Mathematics Meets Decision-Making Understanding poker outs and odds transforms you from a recreational player into a mathematical player who makes profitable decisions consistently. While poker involves psychology and reads, the foundation is always mathematical: - Count your outs accurately: Identify which cards improve your hand - Calculate equity quickly: Use the Rule of 2 and 4 for fast decisions - Compare to pot odds: Ensure you're getting the right price to call - Factor in implied odds: Consider future betting when you hit - Discount dirty outs: Not all outs guarantee a win - Practice constantly: Make this math automatic Integration with Other Skills Outs and odds work in conjunction with: - [Position strategy](https://gtogecko.com/blog/poker-position-strategy) - Better position allows more profitable draws - [Hand rankings](https://gtogecko.com/blog/poker-hand-rankings-guide) - Know what you're drawing to - [Range analysis](https://gtogecko.com/blog/understanding-ranges-in-poker) - Estimate equity vs opponent ranges - [Bluffing](https://gtogecko.com/blog/poker-bluffing-strategy) - Semi-bluffs combine draws with fold equity - [Combo counting](https://gtogecko.com/blog/combo-counting) - Calculate exact outs based on blockers - [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) - Balance calling frequencies optimally Your Learning Path - Memorize common outs for standard draws - Practice the Rule of 2 and 4 until automatic - Learn to calculate pot odds quickly - Start factoring in implied odds - Study with [solvers](https://gtogecko.com/blog/how-to-use-poker-solver) to refine your understanding - Review sessions focusing on drawing decisions - Track results: Are you calling too much or folding too much with draws? The difference between winning and losing players often comes down to correct draw decisions. Players who chase too many draws lose money. Players who fold too many profitable draws lose money. Players who calculate outs and odds correctly maximize their win rate. Ready to make mathematically correct decisions every time? Use [GTO Gecko](https://play.gtogecko.com/) to study optimal draw play, practice calculating outs and odds, and develop the mathematical foundation that separates professionals from amateurs. Master outs and odds, and you'll never be confused about whether to call or fold again. ### Poker Position Strategy: Playing In and Out of Position https://gtogecko.com/blog/poker-position-strategy Position is often called the most important concept in poker, and for good reason. Your position at the table dictates your strategy more than almost any other factor. Players who master positional play consistently outperform those who don't, regardless of hand strength. This comprehensive guide will teach you everything you need to know about poker position strategy, from basic concepts to advanced exploitation techniques. What is Position in Poker? Position refers to where you sit relative to the dealer button. The later your position, the more information you have when making decisions, because you get to see what other players do before you act. This informational advantage is so powerful that professional players will play completely different hands from different positions. The Positions Explained At a standard 9-handed table, positions are categorized as follows: - Early Position (EP): UTG (Under the Gun), UTG+1, UTG+2 - First to act, worst position - Middle Position (MP): MP1, MP2 - Moderate position with some information - Late Position (LP): Hijack (HJ), Cutoff (CO) - Good position, can steal blinds - Button (BTN): Best position - acts last on all post-flop streets - Blinds: Small Blind (SB), Big Blind (BB) - Worst position post-flop but get discounted entry A live straddle can change who opens the preflop action without changing ordinary postflop position. Use the [straddle action-order and SPR guide](https://gtogecko.com/blog/poker-straddle-action-order) to map the house rule before applying these seat labels. At a two-player table, the small blind is also the button and acts last postflop. That differs from a multi-player hand where the button merely folds. Our [heads-up button and blind guide](https://gtogecko.com/blog/heads-up-poker-rules) shows the deal order, action order and first-hand setup after a three-handed elimination. Why Position Matters: A Simple Example Imagine you're on the Button with A ♥ 5 ♥ . Everyone folds to you. You can raise with confidence because: - Only 2 players remain (the blinds) - You'll have position on them post-flop - They'll often fold weak hands facing a late position raise - Even when called, you act last on every street Now imagine the same hand Under the Gun. You'd fold immediately because: - 8 players still to act behind you - You'll be out of position on most flops - A5s isn't strong enough to play profitably from early position The Mathematics of Position Let's quantify why position is so valuable. Studies show that players win approximately 30-40% more when in position versus out of position with the same hand. This massive difference comes from several factors: Information Advantage When you act last, you gain crucial information: - You see who bets and who checks - You observe bet sizing tells - You can identify weak ranges and attack them - You control the pot size more effectively Pot Control Position gives you the power to decide pot size: - Check back to realize equity with marginal hands - Bet to build the pot with strong hands - Keep pots small when out of position with medium-strength hands Pre-Flop Ranges by Position Your starting hand selection should vary dramatically based on position. Here's how to construct balanced ranges for each position: Early Position (UTG, UTG+1) From early position, you need premium hands because many players act behind you, and you'll frequently play out of position post-flop. Recommended UTG Opening Range (approximately 15%): - Premium pairs: AA, KK, QQ, JJ, TT, 99 - Strong broadway: AKs, AKo, AQs, AQo, AJs - Suited connectors: KQs, KJs (premium suited broadways) - Some medium pairs: 88, 77 (for set mining value) Why So Tight from Early Position? If you open J9s from UTG and face a 3-bet from the Cutoff, you're in a terrible spot. You have a marginal hand, you're out of position, and your opponent's range is strong. This is a recipe for losing money. Stick to hands that can confidently continue versus 3-bets or flop well enough to play post-flop out of position. Middle Position (MP1, MP2) With fewer players to act behind you, you can expand your range slightly: Middle Position Opening Range (approximately 20%): - Everything from UTG range - Add: AJo, KQo, ATs, suited broadway combos - Add: More suited connectors like QJs, JTs, T9s - Add: Small pairs for set mining: 66, 55 Late Position (HJ, CO) From late position, your range opens up significantly: Late Position Opening Range (approximately 25-30%): - All previous hands - Add: More suited aces: A9s, A8s, A7s, A5s (wheel aces for nut flush and straight potential) - Add: Suited connectors: 98s, 87s, 76s - Add: More offsuit broadway: KJo, QJo, JTo - Add: Weaker pairs: 44, 33, 22 Button (BTN) The Button is the most profitable position in poker. You should be opening approximately 40-50% of hands from the Button: Button Opening Range (approximately 45%): - All previous ranges - Add: Any suited ace: A6s, A4s, A3s, A2s - Add: Suited one-gappers: J9s, T8s, 97s, 86s, 75s - Add: Weak offsuit broadway: QTo, J9o, T9o - Add: Any suited connector or one-gapper down to 54s - Add: Suited kings and queens: K9s, K8s, Q9s, Q8s Exploiting Weak Blinds Against players who defend their blinds too weakly, you can profitably open 60% or more from the Button. Look for opponents who fold too often and attack relentlessly. This is pure profit because you'll win the blinds frequently, and even when called, you have position. Small Blind (SB) The small blind is a unique position - you get a discount on entering, but you have the worst position post-flop: Small Blind Opening Range vs Button fold (approximately 35-40%): - Wide range similar to Button, but more polarized - You want hands that play well post-flop out of position - High card strength hands (strong aces and kings) - Pairs for set value - Premium suited connectors Important: When the Button is still in, tighten up significantly - you'll have terrible position against a wide range. Big Blind (BB) From the Big Blind, you're getting excellent pot odds to continue, but you have the worst position. Your strategy depends heavily on who opens and from where: VS Small Blind min-raise, you should defend approximately 70% of hands VS Button raise, defend approximately 40-45% VS Cutoff raise, defend approximately 35-40% VS early position raise, defend approximately 25-30% Post-Flop Strategy by Position Position becomes even more critical after the flop. Let's break down strategies for playing in position vs out of position: Playing In Position When you have position, you control the hand. Here are the key advantages and how to exploit them: 1. Continuation Betting Strategy As the pre-flop raiser in position, you can continuation bet (c-bet) with high frequency because: - You can see your opponent check before deciding to bet - You can check back to realize equity with marginal hands - Your range is perceived as stronger - You can profitably bluff more often Example: C-betting in Position You raise Button with A ♥ 5 ♥ , BB calls Flop: K ♠ 9 ♦ 3 ♣ BB checks. You should c-bet around 33% pot with high frequency here because: - The flop is dry (no draws) - You can represent a strong range including KK, 99, AK, KQ - BB's checking range is often weak - You have backdoor nut flush draw - If called, you can give up or barrel favorable turns 2. Floating Strategy When you call a c-bet in position with a marginal hand or draw, you're "floating." This is powerful because: - Your opponent will often check the turn, giving you a free card or chance to bluff - You can win the pot by betting when they show weakness - You see two cards (turn and river) for the price of one bet For more on this concept, check out our guide on [what is a continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet). 3. Thin Value Betting Position allows you to extract value with medium-strength hands that would be too weak to bet out of position: Thin Value Example River: A ♥ K ♠ 8 ♦ 4 ♣ 2 ♥ You have: K ♥ J ♣ (second pair) Opponent checks. In position, you can bet for thin value because: - They've shown weakness by checking - They'll call with worse kings and pairs like QQ, JJ, TT - If raised, you can safely fold - You risk very little for a reasonable reward 4. Pot Control Sometimes the best play in position is checking back to keep the pot small and realize your equity: - Check back flop with marginal hands to see a free turn - Check back turn with medium-strength hands to control pot size - Induce bluffs by showing weakness when you're actually strong Playing Out of Position Out of position play requires more caution and discipline. Your goal is to minimize losses and construct ranges that are difficult to exploit: 1. Check-Raising Strategy Check-raising is your primary weapon out of position because it: - Builds the pot with strong hands - Denies equity to opponent's drawing hands - Balances your checking range (you're not always weak when you check) You should check-raise with a balanced range of: - Value: Strong hands like sets, two pair, strong top pairs - Bluffs: Draws with equity (flush draws, straight draws, overcards) - Semi-bluffs: Hands like middle pair + draw, overcards + backdoor draws Check-Raise Example You defend BB with 8 ♠ 7 ♠ Flop: 9 ♠ 6 ♥ 2 ♠ Button bets 33% pot This is an excellent check-raise spot with your open-ended straight flush draw because: - You have massive equity versus their range - You want to deny equity to hands like AK, AQ that have overcards - Your draw is well-disguised - You balance your value check-raises (sets, two pair) 2. Donk Betting (Lead Betting) "Donk betting" means betting into the pre-flop raiser out of position. While traditionally considered weak, modern GTO poker uses donk bets in specific situations: - On boards that favor your range: When you're the BB defending versus SB and flop comes A-high - With nut advantage: When your range contains more strong hands than the raiser - To deny equity: On wet boards where you want to charge draws immediately Use donk betting sparingly and with specific strategic intent. Random donk bets are how this play got its negative reputation. 3. Check-Calling Strategy Out of position, you'll frequently check-call with: - Medium-strength hands that aren't strong enough to check-raise - Weak draws that have pot odds to continue - Showdown value hands that don't want to bloat the pot The key is balancing your check-calling range so opponents can't easily exploit you. Mix in occasional traps (slow-playing strong hands) to protect your checking range. 4. Playing Defensively Out of position, you must play more defensively: - Keep pots smaller with marginal hands - Be willing to check-fold when your hand doesn't connect - Don't commit too many chips without position and a strong hand - Use smaller bet sizes to give yourself better odds Advanced Positional Concepts Relative Position Relative position refers to your position compared to the pre-flop raiser, not the Button: Relative Position Example Scenario: UTG raises, you call on Button, BB calls While you have the Button (absolute position), you're out of position relative to the pre-flop raiser. This matters because: - UTG acts first and defines the action - You're "sandwiched" between UTG and BB - Your positional advantage is diminished in multi-way pots Reverse Implied Odds from Position Sometimes position creates reverse implied odds - you win small pots but lose big ones: Example: You hold K ♥ Q ♥ on the Button versus BB. Flop comes K ♠ 7 ♦ 3 ♣ . You bet, they call. Turn is a Q ♠ . You make two pair, but if they have a set or straight, you're in trouble. Your position helps you control the pot, but you still need to be cautious when action gets heavy. ICM and Positional Adjustments in Tournaments In tournament poker, especially near the money bubble, position's value changes: - Late position stealing becomes even more valuable as players tighten up - Small blind vs big blind battles intensify - Short stacks can profitably jam wider from late position - Positional awareness helps you avoid marginal spots against big stacks For more on tournament strategy, read our guide on [ICM poker strategy](https://gtogecko.com/blog/icm-poker-strategy). Position in 3-Bet Pots 3-bet pots magnify position's importance because: - The pot is larger, so positional mistakes are costlier - Ranges are narrower and more defined - Stack-to-pot ratios are lower, leading to more all-ins - The in-position player can apply tremendous pressure 3-Bet Pot Out of Position You raise CO with A ♥ Q ♥ , Button 3-bets, you call Flop: K ♠ J ♦ 6 ♥ You flop a gutshot and backdoor flush draw. Out of position in a 3-bet pot, this is a difficult spot: - If you check, they can bet and put you in a tough spot - If you bet, they can float or raise, forcing you to fold - You have to act first on all remaining streets This is why position is so valuable - the same hand in position would be much easier to play. Learn more about 3-betting in our article on [what is a 3-bet](https://gtogecko.com/blog/what-is-a-3-bet). Exploitative Positional Adjustments Against Weak Players Out of Position When you identify weak opponents to your left (who will have position on you), adjust by: - Tightening your opening range to hands that play well post-flop - Avoiding marginal 3-bets that lead to difficult post-flop spots - Using smaller open sizes to minimize losses when you don't connect - Being willing to fold more often when they show aggression Against Weak Players In Position When you have position on weak players: - Open wider to exploit their tendency to fold too much - Float more liberally on the flop to take pots away on later streets - Value bet thinner because they call with weak hands - Bluff less because they'll call too often with weak holdings Adjusting to Positional Awareness Recognize when opponents understand position: Against positionally aware players: - Their late position opens are wider, so defend appropriately - Their early position opens are tighter, so give them more credit - They'll 3-bet you lighter from the blinds when you open late position - They'll check-raise more frequently out of position to deny your advantage Against positionally unaware players: - They open too tight from late position - you can 3-bet them more - They open too loose from early position - tighten your continuing range - They don't adjust their c-bet frequency by position - exploit accordingly Common Positional Mistakes 1. Playing Too Many Hands Out of Position The most expensive mistake in poker is playing too loose from early position. Every marginal hand you play from UTG costs you money over the long run. Be disciplined and stick to your opening ranges. 2. Not Exploiting Position Enough Many players understand position theoretically but don't exploit it enough in practice. If you're folding as often from the Button as from UTG, you're leaving money on the table. 3. Overvaluing Hands Out of Position A hand like K ♥ Q ♦ might be a raise from the Button but should be a fold from UTG. Don't fall in love with pretty cards when you're out of position. 4. Not Adjusting Bet Sizes by Position Use smaller open sizes from late position (2-2.5x) and larger sizes from early position (2.5-3x) to account for your positional disadvantage. 5. Ignoring Squeeze Opportunities When you're in the blinds and action has been raised and called, you're in a terrible position. However, this is prime squeezing territory - making a large 3-bet to win the dead money. For more on this powerful play, see our guide on [squeeze play strategy](https://gtogecko.com/blog/squeeze-play-strategy). Position in Different Game Formats Cash Games In cash games, position's value is constant because: - Stacks are typically 100bb, allowing for maximum positional play - No ICM considerations - you can exploit position purely for chip EV - You can table select to get position on weak players Pro tip: Always try to sit to the left of weak players so you have position on them. This is one of the easiest ways to increase your win rate. Tournaments Tournaments add complexity to positional play: - Stack depths vary from 10bb to 200bb+, changing how position is leveraged - ICM pressure makes position even more valuable near the money - Late position stealing increases as blinds rise - Short-stack play often negates positional advantage (you're just jamming or folding) Learn more about tournament-specific strategies in our post on [poker satellites](https://gtogecko.com/blog/poker-satellites). 6-Max vs 9-Max Position plays differently in 6-max games: 6-Max adjustments: - Everyone is in "late position" more often - open wider from all positions - Cutoff and Hijack become premium positions - Blinds are stolen more frequently - defend wider - 3-betting is more frequent from all positions 9-Max adjustments: - Play tighter from early and middle positions - More emphasis on stealing from late position - Larger pre-flop raises from early position - More cautious play overall due to more players in each hand Tools and Practice for Positional Mastery Using Poker Solvers Poker solvers like PioSolver and GTO Gecko can help you understand optimal positional strategies: - Run simulations for different positions to see how ranges change - Study how bet sizing varies by position - Analyze check-raising frequencies out of position vs in position - Compare solved strategies to your own game to identify leaks Check out our [poker solvers made simple](https://gtogecko.com/blog/how-to-use-poker-solver) guide to get started with solver study. HUD Statistics for Positional Analysis Track these key stats by position in your poker tracking software: - VPIP (Voluntarily Put money In Pot) by position: Should increase from EP to BTN - PFR (Pre-Flop Raise) by position: Should be close to VPIP, increasing with position - 3-bet percentage by position: Should be higher from blinds and button - Fold to steal: How often you fold your blinds to late position raises - C-bet by position: In position should be higher than out of position Practice Drills Improve your positional awareness with these exercises: Drill 1: Range Construction Write out your opening ranges for each position. Compare them to GTO ranges. Are you too loose from early position? Too tight from the button? Drill 2: Position-Based Review After each session, filter your database by position and review: - Biggest losses from each position - Most profitable hands from each position - Common situations you misplayed based on position Drill 3: Blind Defense Practice Since blinds are the most difficult positions, dedicate extra study time to: - Big blind defense ranges versus different positions - Small blind 3-betting strategy versus button opens - Out of position check-raising on various board textures Real-World Examples: Position in Action Example 1: Button vs Big Blind Situation: $1/$2 cash game, 100bb effective You raise Button to $6 with 7 ♥ 6 ♥ , BB calls Flop: A ♠ 8 ♦ 3 ♣ (pot $13) BB checks, you bet $5, BB calls Turn: 5 ♥ (pot $23) BB checks Analysis: You picked up a gutshot straight draw plus backdoor flush draw. Because you have position: - You can check back to see a free river - You can bet to represent a strong ace or overpair - You control whether the pot gets bigger or stays small - You see what BB does first on the river Best play: Check back. You have outs if you hit, showdown value if you both check down, and position to make a decision on the river based on BB's action. Example 2: Out of Position in Big Blind Situation: $1/$2 cash game, 100bb effective CO raises to $6, you call BB with Q ♠ J ♠ Flop: K ♠ T ♥ 4 ♠ (pot $13) Analysis: You have an open-ended straight draw plus flush draw (massive equity). Out of position, you have two main options: Option 1: Check-raise - Deny equity to overcards and weaker hands - Build pot with strong draw - Balanced with your value check-raises (sets, two pair) - Take initiative in the hand Option 2: Check-call - Keep pot smaller - Disguise hand strength - Risk facing larger turn bet - Might miss value if you hit Best play: Check-raise to about $18-20. Your draw is so strong you want to build the pot, and you balance your value hands. Out of position, you need to play more aggressively with your strong draws to compensate for your informational disadvantage. Example 3: Multi-Way Pot with Position Situation: $1/$2 cash game, 100bb effective MP raises to $6, CO calls, you call Button with 9 ♦ 9 ♣ Flop: Q ♥ 8 ♦ 2 ♠ (pot $19) MP bets $12, CO folds Analysis: You have position but a marginal hand in a single-raised pot. Your position helps you: - See that CO folded, indicating weakness - Evaluate MP's bet sizing (roughly 2/3 pot suggests strength) - Control the decision on turn and river - Float and take the pot away if MP checks turn Best play: Call. You have position, decent equity versus MP's range, and can re-evaluate on the turn. If MP checks turn, you can bet and likely take down the pot. If MP bets again, you can fold knowing you saw two streets for the price of one. Mental Game and Position Respecting Position One of the hardest lessons for improving players is truly respecting position. You must internalize that: - The same hand is vastly different from different positions - Playing out of position is inherently more difficult and less profitable - Discipline from early position separates winners from losers Avoiding "Position Tilt" Position tilt happens when you: - Get frustrated folding premium hands from early position - Overcompensate by playing too loose from late position - Call too many 3-bets from late position because "I have position" - Make emotional decisions when out of position because you feel disadvantaged Stay disciplined and trust your ranges regardless of your position or recent results. Poker Position FAQ What is the best position in poker? The Button. You act last on every postflop street, see what every opponent does before committing chips, and face only the two blinds preflop. That edge is why solver-based ranges open roughly 40-50% of hands from the Button compared to about 15% from under the gun. What is the worst position in poker? The Small Blind. You post money before seeing your cards, then act first on every postflop street. Even world-class players lose chips from the blinds long term; the goal there is to lose less than the field, not to show a profit. For opening hands, under the gun is the most restrictive seat. What does playing "in position" mean? Playing in position means acting after your opponent on each postflop street. You see their check or bet before deciding, which lets you value bet thinner, bluff more profitably, take free cards, and control the pot size. Playing out of position means acting first with none of that information. How much does position affect your win rate? Substantially. The same hand wins roughly 30-40% more when played in position than out of position. Filter any winning player's database by seat and the pattern repeats: nearly all profit comes from the Button and Cutoff, while the blinds show a long-term loss at every stake. Should you play tighter in early position? Yes. From under the gun at a full table, open roughly the top 15% of hands, because many players act behind you and you will usually play the flop out of position. Each seat closer to the Button safely adds hands, ending around 45% from the Button itself. Conclusion: Mastering Position is Mastering Poker Position is the foundation of profitable poker strategy. Every decision you make - from your starting hand selection to your river bluff - should be influenced by your position relative to other players. The best players in the world ruthlessly exploit positional advantages and minimize losses when out of position. Key Takeaways - Tighten up from early position: Play only 15% of hands from UTG - Widen your range from late position: Open 40-50% from the Button - Control pot size: Use position to keep pots small with marginal hands - Extract value: Bet thinner for value when in position - Check-raise out of position: Balance your range with value and bluffs - Adjust to opponents: Exploit positional weaknesses in other players - Study by position: Review your stats and hands filtered by position - Table select: Sit to the left of weak players when possible Next Steps To continue improving your positional play: - Review your opening ranges and compare them to this guide - Track your win rate by position in your database - Study GTO ranges by position using [poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) - Practice blind defense with proper [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) - Implement [exploitative adjustments](https://gtogecko.com/blog/gto-vs-exploitative) based on opponent position Position gives you information, control, and profit. Master it, and you'll see your win rate climb significantly. Every seat at the table is not created equal - make sure you're making the most of where you sit. Ready to take your game to the next level? Use GTO Gecko's advanced tools to study optimal positional strategies, analyze your play, and identify leaks in your positional awareness. The difference between break-even and winning players often comes down to one thing: understanding position. ### Poker Tells: Guide to Reading Players Like a Pro https://gtogecko.com/blog/poker-tells-guide Poker tells are the subtle physical, verbal, and behavioral clues that give away information about a player's hand strength. While modern GTO strategy focuses on mathematical optimization, the ability to read and exploit tells can add significant value to your game, especially in live poker. This comprehensive guide will teach you the most reliable poker tells, how to spot them, and most importantly, how to avoid giving away tells yourself. What Are Poker Tells? A poker tell is any physical action, betting pattern, speech, or behavioral change that provides information about a player's hand. Tells can be conscious (intentional deception) or unconscious (involuntary reactions). The key to using tells effectively is understanding that most recreational players exhibit consistent patterns, while better players actively work to eliminate or reverse their tells. The Science Behind Poker Tells Tells work because of fundamental human psychology: - Fight or flight response: When bluffing, players experience stress that manifests physically - Dopamine release: Strong hands trigger pleasure responses that are hard to suppress - Cognitive load: Deception requires mental effort that creates telltale signs - Mirror neurons: We unconsciously mimic confidence or nervousness The Reliability Hierarchy Not all tells are created equal. Here's how reliable different types of tells are: - Most Reliable: Timing tells and bet sizing patterns (hard to fake consistently) - Very Reliable: Unconscious physical reactions (breathing, pulse, hands shaking) - Moderately Reliable: Behavioral patterns (chip handling, posture changes) - Least Reliable: Eye contact, speech, and deliberate actions (easily faked) The Most Reliable Live Poker Tells 1. The Shaking Hands Tell This is one of the most reliable tells in poker. When a player's hands shake while betting, it almost always indicates a very strong hand, not nervousness or a bluff. Why it happens: The adrenaline rush from holding the nuts causes involuntary trembling. Recreational players can't control this physical response. What it means: The player has a monster hand - sets, straights, flushes, or better. They're excited about getting paid. How to respond: If you're facing a bet from someone with shaking hands, you need an extremely strong hand to continue. Fold all but your absolute best holdings. Real Example: The Shaking River Bet Situation: $2/$5 cash game, recreational player in EP opens, you call button with K ♥ Q ♥ Board: K ♠ Q ♦ 7 ♣ 3 ♥ J ♠ River brings a potential straight. Opponent bets large and their hands are visibly shaking as they push chips forward. Analysis: Despite having two pair, the shaking hands tell indicates they likely have AT for the straight or possibly a set. This is a clear fold unless you're certain they're capable of advanced reverse tells. 2. Breathing Pattern Changes Changes in breathing are involuntary and highly reliable: Shallow, rapid breathing: Usually indicates a bluff or marginal hand. The player is stressed and trying to maintain composure. Deep, controlled breathing: Often signals a strong hand. The player is trying to calm themselves down to avoid giving away excitement. Breath holding: Common when bluffing on the river. Players literally hold their breath waiting for a response. How to spot it: Watch the player's chest and shoulders. In low-cut shirts, you can sometimes see the pulse in their neck - a rapid pulse indicates stress (bluffing), while a strong, steady pulse can indicate excitement (value). 3. Posture and Attention Changes Suddenly sitting up straight: Indicates interest and usually a strong hand. Players go from relaxed to alert when they connect with the board. Slumping or leaning back: Often a sign of weakness or a planned bluff. They're trying to appear disinterested. Staring at the board: When players hit a strong draw or made hand, they often stare at the board, processing how to extract maximum value. Looking away from the board: Usually indicates a miss. Players who flop air often look away disinterestedly. The Attention Tell in Action Watch how players react to the flop before action reaches them. A player who was chatting or on their phone suddenly becomes laser-focused has likely hit the flop hard. Conversely, someone who immediately looks at their chips might be planning to bluff. 4. Chip Handling Tells Aggressive chip tossing: Often indicates weakness or a bluff. Players try to intimidate with aggressive motions. Careful, precise betting: Usually signals strength. They're being deliberate because they want this bet to work. Fumbling with chips: Can indicate nervousness with a bluff, or excitement with a strong hand. Context matters. Grabbing chips early: When a player reaches for chips before action reaches them, they're usually planning to bet or raise. The strength depends on other tells. Freezing completely: When facing a bet, players who freeze and don't touch their chips are often weak and considering folding. 5. Eye Movement and Contact IMPORTANT: Eye tells are the LEAST reliable because everyone knows about them, making them easy to fake. Use these only as supporting evidence, never as primary tells. Staring you down: Usually weakness. Strong players know that staring is associated with strength in popular culture, so weak players do it when bluffing. Looking away: Can indicate strength - they don't want to appear threatening. But this is also easily faked. Glancing at chips after seeing flop: Reliable indicator of interest in the hand. They're planning their next move. Pupil dilation: Scientifically proven but hard to spot. Dilated pupils indicate arousal/excitement (strong hand). Verbal and Speech Tells 1. Talking vs Silence Sudden chattiness: Often indicates a bluff. Players talk to appear relaxed and friendly when they're actually nervous. Going silent: Usually indicates a strong hand. They're focused and don't want to do anything that might scare you away. The rule: "Strong means weak, weak means strong." Players acting strong are usually weak, and vice versa. 2. Voice Pitch and Quality Higher pitch: Stress raises vocal pitch. A player whose voice goes up when betting is likely bluffing. Lower, steadier voice: Confidence and strength. They're comfortable with their hand. Clearing throat or coughing: Nervousness indicator, often associated with bluffing. Smooth, rehearsed speech: When players say something that sounds practiced ("I guess I'll raise"), they've been planning this bluff. 3. Specific Verbal Tells "I'm going to raise" (announcing): Usually strength. Weak players announce raises when they're excited about their hand. Asking "How much is it?": Often indicates a strong hand. They're calculating pot odds for a call or sizing up a raise. Story-telling: "I know you have it, but I'll call anyway" - This reverse psychology is usually a strong hand trying to get called. Immediate responses: Quick verbal agreement to check or call often indicates a marginal hand on autopilot. Timing Tells: The Most Exploitable Online Tells Online poker eliminates physical tells, but timing tells become even more important. These are highly reliable because they reflect genuine decision-making patterns. 1. Instant Actions Instant check: Almost always weakness. They've decided to give up before action reached them. Instant call: Usually a drawing hand or medium-strength hand. Premium hands would consider raising. Instant bet/raise: Can be either very strong or a bluff. Strong players act quickly with polarized ranges. 2. Long Tanks Tank then check: Usually indicates a marginal made hand or missed draw. They considered betting but decided against it. Tank then bet: Often a value bet with a medium-strength hand. They're calculating pot odds and bet sizing. Tank then raise: Highly polarized - either very strong or a bluff. Mediocre hands don't tank-raise. Tank then call: Usually a drawing hand or bluff catcher. They're doing pot odds math. 3. Time Bank Usage Using time bank early in hand: Often genuine decision-making with a marginal hand. Time bank on river: Usually a bluff. They're hoping you interpret the tank as strength. Never using time bank: Recreational players on autopilot. Exploit them by playing more pots in position against them. Online Timing Tell Example Situation: You raise button, BB calls. Flop comes A ♥ 9 ♦ 4 ♣ BB instantly checks. You c-bet 33%, they tank for 10 seconds then call. Analysis: The instant check shows weakness - they don't have a strong ace. The tank-call suggests a draw (flush draw or gutshot) or weak ace. On a blank turn, you should barrel. If a flush draw completes, proceed cautiously. Betting Pattern Tells [Betting patterns](https://gtogecko.com/blog/poker-betting-patterns) are mathematical tells that can be tracked and exploited systematically. These integrate well with [exploitative poker strategy](https://gtogecko.com/blog/gto-vs-exploitative). 1. Bet Sizing Tells Oversized bets with strong hands: Recreational players often overbet when they have the nuts, hoping for a call. Small bets with bluffs: Scared money. They want to bluff cheaply. Consistent sizing: Good players use similar sizes regardless of hand strength. Exploit players who don't. Unusual sizing: Any deviation from a player's normal pattern is significant. If someone who usually bets 60% suddenly bets 120%, pay attention. 2. Multi-Street Patterns Bet-bet-bet: Usually [polarized](https://gtogecko.com/blog/polarized-vs-merged-ranges) - either very strong or a total bluff. Medium hands don't triple barrel. Bet-check-bet: Often a marginal hand trying to pot control, then value betting river. Check-call-call: Typically a drawing hand or showdown value hand. [Check-raise](https://gtogecko.com/blog/check-raise-strategy) pattern: Highly player-dependent. Recreational players check-raise with strong hands only. Good players balance with bluffs. For more on betting patterns, see our guide on [continuation betting](https://gtogecko.com/blog/what-is-a-continuation-bet). 3. Position-Based Patterns Players often have different betting patterns based on position: - Out of position aggression: Usually very strong. Weak players don't bluff out of position often. - In position aggression: Can be wider range. Players attack weakness from position. - Blind defense patterns: Watch how often players defend blinds. Too tight = steal relentlessly. Learn more about positional play in our [poker position strategy guide](https://gtogecko.com/blog/poker-position-strategy). Player Type Tells Different player types exhibit different tells: Recreational Players - Most reliable tells - they don't know they're giving information - Strong means weak, weak means strong - Physical tells are genuine and unconscious - Betting patterns are transparent - Value bet when excited, give up when they miss Tight-Aggressive Regulars - Fewer exploitable tells - Focus on timing and bet sizing patterns - Look for deviations from their baseline - They know common tells and avoid them - Timing tells are most reliable LAG (Loose-Aggressive) Players - Deliberately give off confusing signals - May use reverse tells intentionally - Focus on their frequencies rather than individual tells - Track their bluff-to-value ratio over time Professionals - Actively eliminate tells from their game - May use advanced reverse tells - Don't rely on tells - use GTO strategy against them - Their consistency is the tell - exploit any deviation Reverse Tells and Deception Advanced players intentionally give false tells to mislead opponents. This is called "leveling" or using reverse tells. Common Reverse Tells Acting weak when strong: Sighing, hesitating, reluctantly betting - all while holding the nuts. Acting strong when weak: Aggressive chip splashing, staring you down, talking confidently - while bluffing. Instant actions with strong hands: Good players bet quickly with premiums to appear unconcerned. How to combat reverse tells: Establish a baseline for each player. If someone consistently acts one way, then suddenly acts differently, the change is the real tell. The Leveling Game Level 1: Player exhibits genuine tells Level 2: Player knows you're looking for tells and reverses them Level 3: You know they're reversing tells, so you interpret them backwards Level 4: They know you know they know... (this is leveling war) Solution: Focus on fundamentals and [GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) against thinking players. Save tell-reading for recreational players. How to Avoid Giving Away Tells Now that you know what tells to look for, here's how to eliminate them from your own game: Physical Tell Prevention - Controlled breathing: Practice steady breathing regardless of hand strength - Consistent posture: Maintain the same seated position throughout the session - Standard chip handling: Bet the same way every time - no aggressive tossing or careful placement - Eye discipline: Choose an eye contact strategy and stick to it (either always or never) - Stillness: Minimize all movement when facing a decision Verbal Tell Prevention - Silence is golden: Don't talk during hands unless strategically necessary - Consistent speech: If you do talk, use the same tone and pitch - Avoid story-telling: Don't explain your actions - just act - No reactions: Don't verbally react to cards or opponent actions Timing Tell Prevention - Think before acting: Take a consistent amount of time for all decisions online - Don't use auto-check/fold: This gives away that you've given up - Random timing: Vary your action speed slightly to avoid patterns - Plan ahead: Decide your action before it's your turn to avoid obvious tells Betting Pattern Prevention - [Consistent bet sizing](https://gtogecko.com/blog/poker-bet-sizing-strategy): Use the same bet sizes with your entire range - Balanced frequencies: Bluff and value bet with similar patterns - Study GTO: Understanding balanced play helps you avoid exploitable patterns Use [poker solvers](https://gtogecko.com/blog/how-to-use-poker-solver) to develop balanced strategies that naturally eliminate betting pattern tells. The Poker Face: Building Your Table Image Your "poker face" isn't just about expression - it's your entire table presence: Creating a Neutral Baseline - Choose a comfortable default state: How will you sit, where will you look, what will you do with your hands? - Practice it: Use this exact position every time you're in a hand - Stay consistent: Same baseline whether you have aces or seven-high - Vary appropriately: Only deviate when making strategic false tells The Chip Trick Method Many pros shuffle chips constantly to: - Keep their hands busy and prevent fidgeting - Maintain consistent hand movement - Project confidence and experience - Hide trembling from strong hands Headphones and Sunglasses Benefits: - Sunglasses hide eye movements and pupil dilation - Headphones give you a reason to be less social - They create a physical barrier and mental separation Drawbacks: - You miss verbal tells from opponents - You can't hear table talk that might reveal information - Some players find them intimidating (which might not be bad) Common Tell-Reading Mistakes 1. Over-Relying on Single Tells Never make a decision based on one tell alone. Look for clusters of tells that point to the same conclusion. 2. Ignoring Player Context A tell that means strength for one player might mean weakness for another. Always consider the individual. 3. Seeing What You Want to See Confirmation bias is real. Don't convince yourself someone is bluffing because you want to call. 4. Not Establishing a Baseline You can't spot deviations if you don't know someone's normal behavior. Observe players when you're not in hands. 5. Acting on Tells Against Strong Players Good players eliminate or reverse tells. Against them, stick to [range-based analysis](https://gtogecko.com/blog/understanding-ranges-in-poker) and GTO principles. Tell-Reading Practice Exercises Exercise 1: Baseline Observation At your next session, pick one player and observe them for 30 minutes without playing against them. Note: - How do they sit when not in a hand? - How do they bet with strong hands? - How do they react when they miss? - What's their default behavior? Exercise 2: Blind Tell Prediction Watch poker on TV with the hole cards hidden. Try to predict hand strength based only on player behavior. Then check if you were right. Exercise 3: Self-Awareness Recording Record yourself playing (if allowed) or have a friend observe. Identify your own tells and work to eliminate them. Exercise 4: Timing Tell Tracking Online, create a spreadsheet tracking opponents' decision times and outcomes. Look for patterns over 50+ hands. Tells in Different Poker Variants Tournament Tells ICM pressure creates unique tells: - Players near money bubble show more stress - Short stacks exhibit desperation tells - Chip leaders may show overconfidence - Final table nerves are obvious in many players Learn more about tournament dynamics in our [ICM strategy guide](https://gtogecko.com/blog/icm-poker-strategy). Cash Game Tells No ICM pressure means tells are more pure: - Players protect chips they bought with cash more carefully - Bigger pots create more stress and more tells - Drunk or [tilted players](https://gtogecko.com/blog/poker-tilt-mental-game) exhibit exaggerated tells Online Poker Tells Limited to timing and betting patterns: - Multi-tabling patterns (instant action = not paying attention) - Bet sizing consistency - Time bank usage patterns - Chat box behavior Advanced Tell Concepts Tell Clusters and Congruence The most reliable tell-reading comes from identifying multiple tells that all point the same direction: Strong Hand Cluster Example - Player sits up straight (posture tell) - Breathing becomes controlled (physiological tell) - Bets smoothly and deliberately (betting tell) - Goes quiet mid-conversation (verbal tell) - Glances at their chips (eye movement tell) Conclusion: All five tells point to a strong hand. This is highly reliable. The Timing of Tells When a tell occurs matters: - Pre-flop tells: Often most reliable - players haven't had time to act - Flop tells: Watch immediate reactions before they compose themselves - Turn tells: Players are more guarded but may slip with draws - River tells: Most acting occurs here - be skeptical Cultural and Demographic Tells Different player demographics exhibit different tells: - Older players: Often more reliable tells, less aware of being read - Younger players: More likely to know about tells and reverse them - Cultural differences: Eye contact norms vary by culture - Gender differences: Research shows minimal difference in tell reliability Integrating Tells with GTO Strategy The best approach combines mathematical strategy with exploitative tell-reading: The Hybrid Approach - Start with GTO: Make your baseline decision using [game theory optimal strategy](https://gtogecko.com/blog/what-is-gto-poker) - Check for tells: Look for reliable tells that might adjust your decision - Weight the tell: How reliable is this player's tells historically? - Make adjustments: Deviate from GTO only when tells are very reliable - Track results: Did the tell-based adjustment work? Keep data. When to Ignore Tells - Against strong, thinking players who balance their ranges - In high-stakes games where reverse tells are common - When you lack sufficient data on the player - When multiple tells contradict each other - When the pot is small and the risk isn't worth it When to Heavily Weight Tells - Against recreational players in live games - When you have extensive history with the player - When multiple tells cluster together - In crucial tournament situations - When the tell has proven reliable repeatedly Real-World Tell-Reading Examples Example 1: The Live Tournament Bubble Situation: $500 tournament, 45 players left, 40 get paid. You have 25bb on button. Your hand: K ♠ J ♠ Short stack (15bb) in SB raises 2.5bb. You notice: - Their hands shake slightly while raising - They glanced at the tournament clock before raising - They've folded 20 hands in a row - They're sitting very straight, tense Analysis: Despite the shaking hands (usually strength), the cluster of tells suggests desperation and ICM pressure, not a premium hand. They're likely pushing any decent hand to survive to the money. The shaking is nervousness, not excitement. Decision: 3-bet all-in. They're likely folding unless they have a premium pair, and your fold equity plus equity when called makes this profitable. Example 2: The Cash Game River Hero Call Situation: $5/$10 cash game, you raised CO with A ♥ T ♥ , BB called Board: A ♠ 8 ♦ 3 ♣ 2 ♥ 7 ♠ You bet flop and turn, BB called both. River blank, BB leads for 70% pot ($280 into $400). You notice: - BB tanked for 15 seconds before betting (unusual for them) - Their bet was slightly awkward, pushing chips forward hesitantly - They're holding their breath - They bet bigger than their usual sizing Analysis: The [donk lead](https://gtogecko.com/blog/donk-betting-strategy) is unusual. The tank, hesitant bet, breath-holding, and oversized bet all indicate a bluff. If they had a strong hand, they'd bet smoothly and confidently. Decision: Hero call. The tell cluster is too strong to ignore, and you beat bluffs. Result: They show 6 ♥ 5 ♥ for a busted straight draw. Example 3: The Online Timing Tell Situation: Online MTT, 200bb effective, you raise BTN with 9 ♠ 9 ♣ , BB calls Flop: K ♥ 7 ♦ 3 ♣ BB instantly checks, you c-bet 33%, they tank 8 seconds and call. Turn: 2 ♠ BB instantly checks again, you bet 60%, they tank 12 seconds and call. River: Q ♥ BB tanks 15 seconds and bets 75% pot. Analysis: - Instant checks = weak range, giving up initiative - Tank-calls = drawing hand calculating odds - River tank-bet = missed draw turning into bluff Decision: Call. They were on a draw (likely flush draw or straight draw), missed, and are now bluffing with good blockers. Your pair of nines is ahead of their bluffs. Poker Tells FAQ What is the most reliable poker tell? Shaking hands while betting is the most reliable tell in live poker, and it almost always signals a strong hand rather than nerves. The trembling comes from an adrenaline spike that recreational players cannot suppress. Timing patterns and bet-sizing consistency rank close behind, because they are hard to fake over a full session, unlike eye contact or table talk. Do poker tells exist in online poker? Yes, but they shift from physical to behavioral. Timing tells are the big one: instant checks usually signal weakness, tank-then-raise lines are polarized, and snap-calls suggest draws or medium-strength hands. Bet-sizing habits and time-bank usage round out the picture. Combined with [betting pattern reads](https://gtogecko.com/blog/poker-betting-patterns), online tells can be just as profitable as live ones. How do you hide your own poker tells? Build one neutral routine and never leave it. Same posture, same chip motion, same pause before every action, whether you hold the nuts or air. Online, take a consistent beat before acting so your timing reveals nothing. Most players leak information through variation, so consistency itself is the disguise. Review your own play occasionally to catch new habits before opponents do. Can you win at poker using only tells? No. Tells are an overlay, not a foundation. A player with sound ranges and no tell-reading beats a tell expert with weak fundamentals, because tells only adjust decisions at the margin. Learn how [GTO baselines and exploitative reads work together](https://gtogecko.com/blog/gto-vs-exploitative), then use tells as the final input when deciding to deviate. The combination outperforms either skill alone. Conclusion: The Art and Science of Tell-Reading Poker tells are a powerful tool in your arsenal, but they must be used wisely and in combination with solid fundamentals. The best players in the world don't rely solely on tells - they use them as one data point among many to make informed decisions. Key Takeaways - Most reliable tells: Shaking hands (strength), timing patterns, betting pattern consistency - Least reliable tells: Eye contact, deliberate speech, obvious acting - Tell clusters: Multiple tells pointing the same direction are highly reliable - Establish baselines: Observe normal behavior before identifying deviations - Context matters: Same tell means different things for different players - Eliminate your own tells: Consistency in all actions is key - GTO first, tells second: Use tells to adjust from a solid baseline strategy - Track results: Keep data on which tells are reliable for which players The Learning Path - Master [fundamental GTO strategy](https://gtogecko.com/blog/what-is-gto-poker) first - Study [range construction](https://gtogecko.com/blog/understanding-ranges-in-poker) and [pot odds](https://gtogecko.com/blog/pot-odds-poker-math) - Begin observing player behaviors and taking notes - Practice tell-reading exercises between sessions - Eliminate your own tells through self-awareness - Integrate tell-reading with exploitative adjustments - Review sessions to see which tell-based decisions worked Remember: tells are supplementary information, not a replacement for solid poker fundamentals. A player who makes mathematically correct decisions based on [position](https://gtogecko.com/blog/poker-position-strategy), [hand combinations](https://gtogecko.com/blog/combo-counting), and game theory will always outperform someone who relies solely on tells. The true edge comes from combining both - using GTO as your foundation and tells as fine-tuning adjustments against exploitable opponents. This hybrid approach is what separates good players from great ones. Ready to improve your poker game with both mathematical precision and psychological insight? Use [GTO Gecko](https://play.gtogecko.com/) to study optimal strategies, then apply your tell-reading skills to exploit weaknesses in your opponents. Master both the science and the art of poker. ### Combo Counting in Poker: The Secret Weapon of Elite Players https://gtogecko.com/blog/combo-counting Combo counting is one of the most powerful yet underutilized skills in poker. While many players understand [hand ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) conceptually, the ability to quickly count specific hand combinations gives you a massive edge in making accurate decisions. In this comprehensive guide, we'll break down everything you need to know about combo counting and how to apply it in real games. What is Combo Counting? Combo counting is the practice of determining exactly how many combinations of specific hands exist in a given range. Every poker hand has a finite number of possible combinations, and understanding these numbers allows you to precisely calculate probabilities and make mathematically optimal decisions. Why Combo Counting Matters Imagine you're facing a river bet and trying to decide if your opponent is bluffing. Without combo counting, you might think "they could have many bluffs or many value hands." With combo counting, you can precisely calculate: "They have 12 value combos and 8 bluff combos, so I need 40% equity to call profitably." Basic Combination Mathematics Before diving into practical applications, let's establish the fundamental numbers you need to memorize: Unpaired Hands - Suited unpaired hands (e.g., AKs): 4 combinations - Offsuit unpaired hands (e.g., AKo): 12 combinations - All combinations of an unpaired hand (e.g., AK): 16 combinations (4 suited + 12 offsuit) Pocket Pairs - Any specific pocket pair (e.g., AA): 6 combinations Why These Numbers? Suited hands (4 combos): A ♠ K ♠ , A ♥ K ♥ , A ♦ K ♦ , A ♣ K ♣ Pocket pairs (6 combos): For AA, you can make 6 unique combinations from 4 aces: A ♠ A ♥ , A ♠ A ♦ , A ♠ A ♣ , A ♥ A ♦ , A ♥ A ♣ , A ♦ A ♣ Quick Reference Table Hand Type Combinations Example Pocket Pair 6 AA, KK, 22 Suited Unpaired 4 AKs, QJs, 76s Offsuit Unpaired 12 AKo, QJo, 76o All Unpaired 16 AK (suited + offsuit) How Board Cards Affect Combinations This is where combo counting becomes truly powerful. The cards on the board directly reduce the number of combinations your opponent can have. Board Removal Effects When a card appears on the board, it "blocks" certain combinations from being possible: - One card on board blocks: Pocket pairs reduced from 6 to 3 combos, suited hands reduced from 4 to 3 combos - Two cards on board blocks: Pocket pairs reduced from 6 to 1 combo, suited hands may be impossible Real Example: Board Texture Impact Board: A ♠ K ♥ Q ♦ AA combinations: - Before the flop: 6 combinations - After A ♠ on board: 3 combinations (A ♥ A ♦ , A ♥ A ♣ , A ♦ A ♣ ) AK combinations: - Before the flop: 16 combinations (4 suited + 12 offsuit) - After A ♠ K ♥ on board: 9 combinations - AKs is now impossible (board has both an Ace and King, can't have suited AK) - Only 9 offsuit combos remain: A ♥ K ♠ , A ♥ K ♦ , A ♥ K ♣ , A ♦ K ♠ , A ♦ K ♥ , A ♦ K ♣ , A ♣ K ♠ , A ♣ K ♥ , A ♣ K ♦ Practical Application: Analyzing a River Decision Let's walk through a complete hand analysis using combo counting: Hand Example Situation: $1/$2 cash game, 100bb effective stacks Action: Villain raises CO to $6, you call on BTN with 9 ♥ 9 ♦ Flop: K ♠ 8 ♥ 3 ♣ ($15 pot) Villain bets $10, you call Turn: 2 ♦ ($35 pot) Villain bets $25, you call River: 7 ♠ ($85 pot) Villain bets $60. Should you call? Step 1: Define Villain's Range Based on the action, villain's range likely includes: Value hands: - Overpairs: AA (3 combos - one Ace doesn't matter), KK (3 combos - K on board), QQ (6 combos), JJ (6 combos), TT (6 combos) - Top pair: AK (9 combos - one K on board) - Total value: 3 + 3 + 6 + 6 + 6 + 9 = 33 combos Bluffs: - Missed suited broadway: AQs, AJs, QJs (accounting for blockers, approximately 8 combos) - Total bluffs: ~8 combos Step 2: Calculate Required Equity You're getting 145:60 [pot odds](https://gtogecko.com/blog/pot-odds-poker-math), so you need to win at least 60/205 = 29.3% of the time to break even. Step 3: Calculate Your Winning Percentage You win against bluffs (8 combos) and lose to value (33 combos): - Win rate: 8 / (8 + 33) = 8/41 = 19.5% - Need: 29.3% - Conclusion: FOLD - You're not getting the right price Advanced Combo Counting Concepts Using Your Own Cards as Blockers Your hole cards also remove combinations from your opponent's range. In the example above, you hold 9 ♥ 9 ♦ , which means villain cannot have: - 99 (you block 2 of the nines) - Any hand with 9 ♥ or 9 ♦ This blocker effect is usually minor but can be significant with specific holdings. For the full theory of card removal, read our guide to [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers). Flush Draw Combo Counting When the board shows a flush draw, combo counting becomes more complex: Flush Draw Example Board: Q ♠ J ♠ 4 ♥ How many combinations of AKs does villain have? - Total AKs normally: 4 combos - Spade combo (A ♠ K ♠ ): POSSIBLE - 1 combo - Heart combo (A ♥ K ♥ ): POSSIBLE - 1 combo - Diamond combo (A ♦ K ♦ ): POSSIBLE - 1 combo - Club combo (A ♣ K ♣ ): POSSIBLE - 1 combo - Total: 4 combos (but only 1 has flush draw) Betting Pattern Adjustments Adjust combo counts based on how hands typically play: - Aggressive players may 3-bet premium hands preflop, removing them from their flatting range - Passive players may check-call with some value hands, splitting their range - Position affects which hands players continue with Common Combo Counting Shortcuts The "Rule of 2 and 4" for Combo Counting Here are some helpful shortcuts for quick mental math: - Premium pairs (QQ+): 3 categories × 6 combos = 18 combos (if no blockers) - Broadway combos (AK, AQ, KQ): Each suited has 4, offsuit has 12 - With one blocker on board: Pairs drop to 3, suited hands drop to 3 Estimation Over Precision In-game, you don't need exact numbers. Being within 10-20% is usually sufficient: - "Villain has about twice as many value hands as bluffs" is often good enough - "There are roughly 12 combos of top pair vs 6 combos of bluffs" gives you the direction Practice Exercises To build your combo counting skills, try these exercises: Exercise 1: Basic Counting Board: A ♥ 9 ♠ 2 ♦ Count the combinations of: - AA (Answer: 3 combos) - AK (Answer: 12 combos - no suited combos possible with A ♥ on board for hearts, so 3 suits × 4 offsuit combos = 12) - 99 (Answer: 3 combos) Exercise 2: Range Analysis Board: K ♠ Q ♠ 7 ♥ 3 ♣ 2 ♦ Villain's value range: KK, QQ, AK, KQ Villain's bluff range: AJ, AT, A5s Calculate: - Value combos: KK (1), QQ (3), AK (9), KQ (6) = 19 combos - Bluff combos: AJ (12), AT (12), A5s (3) = 27 combos - Bluff to value ratio: 27:19 or about 1.4:1 A ratio that bluff-heavy makes this range very exploitable by calling wide. For how solvers construct balanced ratios, see our [poker bluffing strategy guide](https://gtogecko.com/blog/poker-bluffing-strategy). Implementing Combo Counting in Your Game Start Simple Don't try to count every combination in every hand. Start by: - Identifying key decision points (usually river calls) - Counting only broad categories ("value vs bluffs") - Using round numbers ("about 20 value combos vs 10 bluffs") Build the Habit Post-Session Review interesting hands after your session: - Write out your opponent's likely range - Count combinations for each category - Compare your decision to the mathematically correct one - Note patterns you can apply in future hands Use Tools to Verify Poker solvers and range tools can help you practice: - Input hand histories into [GTO Gecko](https://play.gtogecko.com/) - Compare solver ranges to your estimated ranges - Check if your combo counts were in the right ballpark - Learn which hands you typically overestimate or underestimate Common Mistakes to Avoid 1. Forgetting Board Removal Always account for how board cards reduce combinations. This is especially critical for pocket pairs and suited hands. 2. Not Adjusting for Player Tendencies Theoretical combos don't match actual combos if players don't play all hands the same way. A nit won't have as many bluff combos as GTO suggests. 3. Over-Complicating During Play Don't spend 5 minutes counting combos in a live hand. Get a rough estimate and make a decision. Perfect is the enemy of good. 4. Ignoring Your Own Blockers Your hole cards matter. If you hold AK, your opponent has fewer combos of AA, KK, and AK. Combo Counting FAQ How many hand combinations are there in Texas Hold'em? There are 1,326 possible starting-hand combinations, collapsing into 169 distinct hands. Each pocket pair has 6 combos, each suited hand 4, and each offsuit hand 12. Those three numbers (6, 4, 12) are the entire foundation of combo counting; everything else is subtracting for known cards. How do you count combos quickly during a hand? Memorize 6 for pairs, 4 for suited, 12 for offsuit, then subtract for every visible card. One card of a rank on the board cuts that pocket pair from 6 combos to 3; two cards cut it to 1. In-game, rounding to "about twice as many value combos as bluffs" is plenty accurate. What is the difference between combo counting and blockers? They are two views of the same card-removal math. Combo counting tallies how many combinations of each hand remain; [blockers](https://gtogecko.com/blog/blockers-unblockers) describe how the specific cards you hold shrink certain parts of your opponent's range. You count combos to quantify what your blockers actually accomplish. How many bluff combos should a balanced betting range have? It depends on bet size. A pot-sized river bet offers your opponent 33% pot odds, so a balanced range contains roughly one-third bluffs; a half-pot bet supports about 25% bluffs. These ratios apply to [polarized ranges](https://gtogecko.com/blog/polarized-vs-merged-ranges), where every bet is clearly value or clearly bluff. Conclusion Combo counting transforms poker from a game of hunches into a game of mathematics. By understanding exactly how many combinations of each hand type exist, you can make precise calculations about pot odds, fold equity, and optimal strategies. Key takeaways: - Memorize the basic numbers: 6 for pairs, 4 for suited, 12 for offsuit - Account for board removal - cards on board reduce possible combinations - Start with simple value vs bluff calculations before getting more complex - Practice post-session to build your intuition - Use estimation during play - rough accuracy is better than slow precision With consistent practice, combo counting will become second nature, allowing you to make more accurate decisions and significantly improve your win rate. Start incorporating this skill into your game today, and you'll see the difference in your results. ### Squeeze Play in Poker: When and How to Execute https://gtogecko.com/blog/squeeze-play-strategy The squeeze play is one of the most powerful and profitable preflop moves in poker. When executed correctly, it can generate significant fold equity and help you build pots with strong hands. In this comprehensive guide, we'll explore what a squeeze play is, when to use it, and how to construct a balanced squeezing range. What is a Squeeze Play? A squeeze play occurs when a player raises after there has been an initial raise and at least one caller. The "squeeze" comes from applying pressure to both the original raiser and the caller(s), forcing them into difficult decisions. In technical terms, a squeeze is a [3-bet](https://gtogecko.com/blog/what-is-a-3-bet) made against two or more opponents instead of one. Classic Squeeze Play Example In a 6-handed cash game: - CO (Cutoff) raises to 2.5bb - BTN (Button) calls 2.5bb - SB (Small Blind) folds - You're in the BB (Big Blind) with A ♥ 5 ♥ - You re-raise to 12bb - this is a squeeze play Why Squeeze Plays Are Profitable Squeeze plays derive their profitability from several key factors: 1. High Fold Equity The original raiser knows they must get through multiple players to win the pot. When you squeeze, they're facing a large raise and know the caller is still behind them (if you're in the blinds). This creates tremendous pressure to fold all but premium hands. 2. Capped Calling Ranges The cold caller typically has a capped range - they usually don't have premium hands like AA, KK, or AK, as these would have re-raised initially. This means their range is more vulnerable to pressure. 3. Dead Money in the Pot With multiple players having already committed chips, there's substantial dead money to win. Even if your squeeze gets called, you're getting good pot odds on your investment. 4. Positional Advantage (When Squeezing from the Blinds) While you'll be out of position postflop, the large pot size relative to stack sizes often simplifies decision-making and gives you profitable continuation betting opportunities. When to Squeeze Identifying optimal squeezing spots is crucial for maximizing this play's effectiveness. Here are the key factors to consider: Position Matters The most common and profitable squeeze spots occur when you're in the blinds facing a raise and one or more callers. You're getting a discount from money already invested, and you have strong incentives to fight for the pot rather than playing out of position postflop. Where everyone sits shapes the entire play, so if seat-by-seat thinking is new to you, start with our [poker position strategy guide](https://gtogecko.com/blog/poker-position-strategy). Premium Squeeze Spots - BB vs CO raise + BTN call: Excellent squeeze spot due to wide ranges from both opponents - BB vs MP raise + multiple callers: Even better - more dead money and more fold equity - SB vs late position raise + caller: Good spot, though you risk the BB waking up with a hand Stack Depth Considerations Stack depth significantly impacts squeeze play strategy: - 100bb+ deep: More room for sophisticated play, can squeeze with wider ranges and multiple bet sizes - 50-100bb: Standard squeeze play dynamics, ideal for most squeeze situations - 20-50bb: Squeezes become more committal, should tighten range and be prepared to call off - Under 20bb: Typically just move all-in instead of squeezing; see our [short-stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) for the jam ranges Optimal Squeeze Sizing Sizing your squeezes correctly is critical for maximizing fold equity while maintaining profitability with your value hands. General Sizing Guidelines A standard squeeze size should be: - Base size: 3-4x the original raise - Add 1bb for each caller - Add 1-2bb when out of position Sizing Example CO raises to 2.5bb, BTN calls, you're in BB: - Base: 2.5bb × 3.5 = 8.75bb - Add for caller: +1bb = 9.75bb - Add for position: +1bb = 10.75bb - Final squeeze size: ~11bb Larger Sizes in Specific Situations You may want to size up even more when: - There are multiple callers (more dead money to protect) - Effective stacks are shallow (25-40bb) - Opponents are calling stations who don't fold enough - You have a pure value hand (AA, KK) and want to build the pot Constructing Your Squeeze Range A balanced squeeze range should contain both value hands and bluffs. The exact composition depends on the specific situation, but here are general guidelines. Your starting point is always the opener's range: the [standard opening ranges by position](https://gtogecko.com/blog/preflop-charts-opening-ranges) tell you how strong a Cutoff or Button open actually is. Value Hands Your value squeezing range typically includes: - Premium pairs: AA, KK, QQ (always) - Strong Broadway hands: AKs, AKo, AQs - Medium pairs: JJ, TT, sometimes 99 depending on action Bluff Hands When selecting bluffing hands for your squeeze range, prioritize: - Suited wheel aces: A5s-A2s (have great playability if called) - Suited connectors: 87s, 76s, 65s (can make strong postflop hands) - Suited one-gappers: J9s, T8s, 97s - Blockers to premium hands: Hands with an Ace or King that [block strong calling hands](https://gtogecko.com/blog/blockers-unblockers) Why A5s is Better Than 72s for Squeezing While both hands are underdogs preflop, A5s has several advantages: - Blocks premium hands like AK and AA - Can make the nut flush - Can make straights (wheel) - Has decent equity when called by hands like KQ or TT In contrast, 72o has poor playability, no blocker value, and terrible equity when called. Balancing Your Range The ratio of value to bluffs in your squeeze range should depend on your sizing and the pot odds you're offering: If you're squeezing to 11bb into a pot of 6bb (before your squeeze): - Opponents need to call 11bb to win 17bb - Pot odds: ~35% - You should have roughly 2 value hands for every 1 bluff Common Squeeze Mistakes to Avoid 1. Squeezing Too Wide While squeezing is profitable, over-squeezing against aware opponents will lead to you getting 4-bet or called too often. Stick to your core range and don't get creative without good reason. 2. Using Predictable Sizing If you always squeeze larger with AA/KK and smaller with bluffs, observant opponents will exploit you. Keep your sizing consistent across your range. 3. Squeezing Into the Wrong Players Be aware of player tendencies: - Don't bluff-squeeze into stations who never fold - Be careful squeezing into tight players who might have very strong ranges - Avoid squeezing into aggressive players who will 4-bet frequently 4. Having No Plan for When You Get Called Always have a postflop plan. If you're squeezing hands that play terribly postflop, you're setting yourself up for difficult decisions. This is why suited hands with connectivity are better bluffing candidates than random offsuit hands. Postflop Play After Your Squeeze Gets Called When your squeeze gets called, you'll usually be out of position in a bloated pot. Here's how to proceed: Continuation Betting You should have a high [continuation betting](https://gtogecko.com/blog/what-is-a-continuation-bet) frequency after squeezing, typically around 60-80% on most flops. Use multiple bet sizes: - Small sizing (25-33% pot): On dry boards with your entire range - Large sizing (75-100% pot): On dynamic boards or when you have strong hands/draws Board Texture Considerations - Ace-high boards: Excellent for continuation betting - you rep premium pairs and strong Ax hands - Low connected boards: Be more cautious - these favor the caller's range - King-high boards: Good for betting, especially against a single caller Advanced Squeeze Concepts The Reverse Squeeze Sometimes you can squeeze from position (like the button) when facing an open and caller. This is less common but can be very effective, especially when you have a strong read that neither player has a premium hand. Multi-Way Squeezes With multiple callers, you get even better pot odds on your squeeze and more fold equity. However, when you do get called, you're more likely facing a strong hand. Tighten your squeezing range slightly in these spots. Exploitative Squeezing Against specific opponent types, adjust your strategy: - Against nits: Squeeze wider and more frequently - Against calling stations: Squeeze tighter and larger - Against aggressive players: Tighten up and be prepared to get 4-bet Defending Against Squeezes Understanding squeeze defense helps you better understand when to squeeze. When facing a squeeze as the initial raiser or caller: - As the raiser: You can 4-bet your premium hands (QQ+, AK) and occasionally some bluffs. Fold most of your range. - As the caller: You typically need a very strong hand to continue (JJ+, AK). Your range is capped, making it difficult to profitably call or 4-bet. Squeeze Play FAQ What is a squeeze play in poker? A squeeze play is a large re-raise made after an initial raise and at least one call. It targets two weaknesses at once: the opener must worry about the players still behind, and the caller's range is capped because they did not re-raise themselves. Both fold far more often than in a normal 3-bet spot. How big should a squeeze raise be? Start at 3-4x the original raise, then add roughly 1bb per caller and another 1-2bb when you will be out of position. Against a 2.5bb Cutoff open and a Button call, a Big Blind squeeze of around 11bb is standard. Squeezes are always bigger than heads-up 3-bets because the dead money improves everyone's calling odds. What hands should you squeeze with? For value, squeeze QQ+, AK, and AQs, with JJ and TT depending on the action. For bluffs, pick suited wheel aces (A5s-A2s) and suited connectors, which block premium hands or play well postflop when called. Aim for roughly two value combos per bluff at standard sizings. What is the difference between a 3-bet and a squeeze? Every squeeze is a 3-bet, but a squeeze specifically attacks a raise plus at least one cold call. The extra caller adds dead money and signals a capped range, which raises your fold equity above a standard heads-up 3-bet. The cost is that when you do get called, you face more opponents in a bigger pot. Do squeeze plays work in tournaments? Yes, often even better than in cash games, because antes add dead money and most players defend too tightly against squeezes at 20-50bb. The caveat is [ICM](https://gtogecko.com/blog/icm-poker-strategy): near a bubble or pay jump, getting called or 4-bet costs more than chip-EV math suggests, so tighten your bluff squeezes in those phases. Conclusion The squeeze play is a fundamental component of modern poker strategy. By understanding when to squeeze, how to size your bets, and how to construct a balanced range, you can add this powerful weapon to your arsenal. Key takeaways: - Squeeze when there's an open and caller, especially from the blinds - Size based on the original raise, number of callers, and position - Balance your range with value hands and well-selected bluffs - Have a postflop plan when your squeeze gets called - Adjust your strategy based on opponent tendencies and stack depths Practice identifying squeeze spots in your games, start with a conservative range, and gradually expand as you become more comfortable with the play. If you want reps before risking real money, [drill squeeze spots in GTO Gecko's preflop trainer](https://play.gtogecko.com/): it grades every decision against the solver and re-serves the spots you misplay until they stick. ### What Is a Poker Satellite? Tournament Entry Guide https://gtogecko.com/blog/poker-satellites Imagine turning a $100 investment into a seat at the World Series of Poker Main Event worth $10,000. This isn't a fantasy—it's exactly what poker satellites make possible. Satellite tournaments have created countless success stories, including Chris Moneymaker's legendary 2003 WSOP Main Event victory that sparked the poker boom. In this comprehensive guide, we'll explain what poker satellites are, how they work, the different types available, and the key strategies you need to maximize your chances of winning a seat to your dream tournament. What is a Poker Satellite Tournament? A poker satellite (or satellite tournament) is a qualifying tournament where the prize isn't cash—it's entry into a larger, more expensive tournament. Instead of paying the full buy-in for a major event, you can compete in a satellite for a fraction of the cost and win your way in. How Satellites Work: A Simple Example Let's say you want to play in a $5,000 tournament but don't want to risk the full amount. You enter a $500 satellite that awards 10 seats to the target tournament. - Buy-in: $500 - Total entries: 100 players - Prize pool: $50,000 (100 × $500) - Seats awarded: 10 × $5,000 entries = $50,000 If you finish in the top 10, you win a $5,000 seat—turning your $500 into a $5,000 tournament entry. You've effectively bought in for just 10% of the normal cost. Why Play Satellites? Poker satellites offer several compelling advantages for players of all skill levels: - Bankroll-friendly access: Play in tournaments that would normally be outside your bankroll comfort zone - Lower variance: Risk less money while still competing for the same big prizes - Multiple attempts: Take several shots at qualifying for the price of one direct buy-in - Skill edge amplification: Strong tournament players can leverage their edge in satellites - Live tournament opportunities: Win packages that include travel and accommodation Types of Poker Satellites Satellites come in various formats, each with unique characteristics and strategic considerations: 1. Direct Satellites Direct satellites award a fixed number of seats into a specific target tournament. These are the most common type of satellite. Direct Satellite Example Tournament: $109 satellite to Sunday Million ($215 buy-in) - 200 players enter at $109 each - Prize pool: $21,800 - 100 seats awarded to the $215 Sunday Million - Remaining $200 paid as cash to 101st place Top 100 finishers win seats; 101st place receives leftover cash. 2. Step Satellites (Multi-Step Satellites) Step satellites are tiered systems where you start at a low level and work your way up through multiple stages. Each level awards entries to the next higher level, with the final step awarding the target tournament seat. PokerStars popularized this format with their "Steps" system: - Step 1: $7.50 buy-in → Win entry to Step 2 - Step 2: $27 value → Win entry to Step 3 - Step 3: $82 value → Win entry to Step 4 - Step 4: $215 value → Win entry to Step 5 - Step 5: $700 value → Win entry to major tournament The advantage of step satellites is that even if you don't win, you often maintain your current level or drop only one step, giving you multiple chances to climb the ladder. 3. Super Satellites Super satellites are larger tournaments with higher buy-ins that award many seats to major events. These typically run closer to the target tournament date and attract hundreds or thousands of players. For example, a $1,050 super satellite might award 50+ seats to a $10,000 tournament, creating an excellent value proposition for skilled players. 4. Mega Satellites Mega satellites are massive qualifying events, often held the day before major live tournaments. These can have thousands of entries and award hundreds of seats. 5. Sit & Go Satellites Sit & Go (SNG) satellites start as soon as enough players register—no scheduled start time. These are popular online and typically award one seat per 10 players. Common formats: - Single-table: 10 players, winner gets the seat - Double or Nothing: Top 5 of 10 players each win a seat - Multi-table: 20, 45, or 90 players with multiple seats awarded These fast, shallow formats reward the same jam-or-fold precision as [Spin & Go play](https://gtogecko.com/blog/spin-and-go-strategy), so study time transfers directly between the two. How to Calculate Satellite Value Understanding whether a satellite offers good value is crucial for bankroll management and ROI. Here's how to evaluate satellite opportunities: Basic Expected Value Calculation The formula for satellite EV is: EV = (Probability of Winning × Seat Value) - Buy-in For break-even, you need to win: Win Rate Required = Buy-in ÷ Seat Value Practical Example Let's analyze a $215 satellite awarding 50 seats to a $2,100 tournament with 500 entries: - Seats awarded: 50 - Total players: 500 - Break-even win rate: 10% (50/500) - Your actual win rate (skilled player): 15% - Expected Value: (0.15 × $2,100) - $215 = $100 In this case, if you're a skilled player who can finish in the top 10% more than the field average (15% vs 10%), you have a $100 edge every time you play this satellite. Key Strategy Differences: Satellites vs Regular Tournaments Satellite strategy differs significantly from cash tournaments because your goal is to survive and finish in the top X%, not to accumulate all the chips. Here are the critical strategic adjustments: 1. Survival Over Chip Accumulation In regular tournaments, you want to build a massive stack to make deep runs. In satellites, once you have enough chips to secure a seat, preservation becomes more important than accumulation. The Bubble Survival Strategy Situation: 12 players remain in a satellite awarding 10 seats. You have 25% of the chips in play (well above the average of 10%). Regular tournament play: Continue accumulating chips aggressively Satellite play: Tighten up significantly, avoid marginal spots, and let short stacks eliminate each other Your goal is to be one of the 10 survivors, not to finish first. Ultra-tight play is often correct. 2. ICM Considerations Are Extreme [Independent Chip Model (ICM)](https://gtogecko.com/blog/icm-poker-strategy) pressure is magnified in satellites because prizes are equal—there's no difference between finishing 1st and 10th if 10 seats are awarded. The effect is even more extreme than at a [regular final table](https://gtogecko.com/blog/final-table-icm-strategy), where escalating pay jumps at least reward chip accumulation. In a satellite, the last chip you need is the one that locks up the seat, and every chip beyond that is worthless. Key ICM principles for satellites: - Big stacks should avoid confrontations with each other near the bubble - Medium stacks should fold marginal hands and let short stacks bust - Only short stacks should take risks—they have nothing to lose - Calling all-ins becomes very expensive in satellite equity terms 3. Bubble Play: The Most Critical Phase The satellite bubble is where most EV is won or lost. Understanding optimal bubble strategy is essential: When several tables remain, the room may synchronize them near the seat boundary. Our [hand-for-hand rules casebook](https://gtogecko.com/blog/hand-for-hand-poker-rules) explains why “same hand” means one batch—and why the rule profile matters when multiple players bust. Bubble Strategy by Stack Size Big stack (2x+ average): - Fold almost everything against other big stacks - Apply pressure to medium stacks - Call short stack all-ins with wider ranges to eliminate them Medium stack (0.8x-1.5x average): - Play extremely tight—survival is paramount - Avoid confrontations with all stack sizes when possible - Only play premium hands for significant pots Short stack (below 0.8x average): - Look for spots to double up—you need chips to survive - Push/fold strategy with wide ranges - Target medium stacks who don't want to call Short-stack play deserves its own study block. Push/fold ranges at 10-15bb are well mapped by solvers, and our [short-stack strategy guide](https://gtogecko.com/blog/short-stack-strategy) covers the jam ranges that satellite bubbles demand. 4. Early and Middle Stage Strategy While late-stage satellite play differs dramatically from regular tournaments, early stages require a similar approach: - Build a stack: Play solid TAG (tight-aggressive) poker - Accumulate chips: You'll need above-average chips to survive the bubble - Avoid unnecessary risks: Don't gamble for marginal edges - Value survival: Even in early stages, satellite play rewards conservative aggression Common Satellite Mistakes to Avoid Even experienced tournament players make costly mistakes when transitioning to satellite play. Here are the most common errors: 1. Playing Satellites Like Cash Tournaments The biggest mistake is failing to adjust strategy. Accumulating chips beyond what's needed to secure a seat has zero value and increases your risk of busting without benefit. 2. Taking Unnecessary Risks with a Qualifying Stack If you have 2x the average stack with 20% of players remaining for 10% seats, ultra-tight play is correct. Don't jeopardize your seat trying to build a bigger stack. 3. Bubble Calling Too Loosely Medium stacks calling short stack all-ins on the bubble is usually a massive mistake. Unless you have a premium hand, folding and letting other players bust the short stacks is often correct—even with hands like AQ or 99. 4. Undervaluing Satellites as Practice Many players view satellites only as cheap entry methods, but they're also excellent practice for push/fold situations, bubble play, and ICM scenarios—all crucial tournament skills. 5. Ignoring Bankroll Management Even though satellites offer cheap entry, you still need proper bankroll management. Playing a $500 satellite when your bankroll is $2,000 is too aggressive. Standard guidelines suggest 30-50 buy-ins for satellite play. If satellites are your route into bigger MTTs, run your numbers through our free [MTT bankroll calculator](https://gtogecko.com/mtt-bankroll-calculator) to see how many buy-ins your roll actually supports. Real Success Stories: The Power of Satellites Chris Moneymaker (2003 WSOP Main Event Champion) Perhaps the most famous satellite success story: Chris Moneymaker won a $39 online satellite on PokerStars, which led to a $650 satellite, which awarded a $10,000 WSOP Main Event seat. He went on to win $2.5 million and sparked the poker boom. Anonymous Grinders Building Bankrolls Countless online players have built their entire poker careers through satellites, starting with freerolls and micro-stakes satellites, grinding up through step systems, and eventually playing in high-stakes tournaments worth thousands of dollars—all without ever making a direct buy-in. Poker Satellite FAQ What is a satellite in poker? A satellite is a qualifying tournament where the prize is entry into a bigger, more expensive event rather than cash. A $500 satellite awarding seats to a $5,000 tournament lets you compete for that seat at 10% of the direct cost. Online sites run them from a few dollars up to super satellites worth thousands. Are poker satellites worth playing? Yes, if two conditions hold: the target event is otherwise outside your bankroll, and you can finish in the qualifying spots more often than the break-even rate (seats divided by entries). A field awarding 50 seats to 500 players needs a 10% qualification rate to break even; a skilled player hitting 15% earns real EV every entry. Should you ever fold pocket aces in a satellite? Yes, and it happens regularly on satellite bubbles. If folding every hand guarantees your seat, calling an all-in with aces risks roughly a one-in-five elimination for chips that carry zero extra value, since first place pays the same as last qualifying spot. With a locked seat, the correct play is to fold everything, aces included. How is satellite strategy different from regular tournament strategy? In a regular MTT, more chips always mean more equity, so accumulation pays. In a satellite, equity is capped at one seat, so once you hold a qualifying stack, survival outranks accumulation completely. Bubble play flips: big stacks fold almost everything, medium stacks avoid all confrontation, and only short stacks should gamble. What happens if you win a satellite seat you cannot use? It depends on the operator. Many online sites credit you with tournament dollars or let you unregister for tournament currency, while live venues often make seats non-transferable with no cash alternative. Read the terms before you register, especially when you already hold a seat to the target event. Conclusion: Your Pathway to Major Tournaments Poker satellites democratize access to major tournaments, allowing skilled players with modest bankrolls to compete on poker's biggest stages. Whether you're aiming for the WSOP Main Event, Sunday Million, or your local casino's championship event, satellites provide a bankroll-friendly path to get there. Success in satellites requires strategic adjustments—particularly understanding that survival matters more than chip accumulation once you're in qualifying position. Master the unique ICM considerations, practice disciplined bubble play, and recognize that folding premium hands is sometimes correct. With the right strategy and [bankroll management](https://gtogecko.com/blog/bankroll-management-for-pros), satellites can become a powerful tool in your poker arsenal. Start small, work your way up through step satellites, and before you know it, you might find yourself at the final table of your dream tournament—all for a fraction of the normal cost. Key Takeaways - Satellites award tournament seats instead of cash prizes - They provide bankroll-friendly access to bigger tournaments - Strategy differs significantly from regular tournaments—survival over accumulation - ICM considerations are extreme, especially on the bubble - Big stacks should play ultra-tight near the bubble; short stacks should gamble - Calculate EV to ensure satellites offer positive value - Practice proper bankroll management even with smaller buy-ins - Available both online and in live poker rooms worldwide Ready to master the strategies that will help you win satellite seats and compete in major tournaments? [Study MTT ranges and push/fold spots on GTO Gecko](https://play.gtogecko.com/): the preflop library is free to browse, and the Elite tiers add ICM-aware ranges so you can see exactly how bubble pressure reshapes the charts. ### Polarized vs Merged Ranges: The Complete Strategy Guide https://gtogecko.com/blog/polarized-vs-merged-ranges Most players think about which hands to bet. Fewer think about the shape of their betting range. Whether your range is polarized or merged changes your bet sizing, your bluff selection, and how your opponent should respond. Getting this wrong costs you money on every street. This guide covers when to polarize, when to merge, how to size your bets accordingly, and how to punish opponents who get it backwards. What Are Polarized and Merged Ranges? Polarized Ranges: Strong or Weak, Nothing In Between A polarized range consists of two distinct segments: very strong hands (the nuts or near-nuts) and bluffs (weak hands with little showdown value). Critically, it excludes medium-strength hands that would win at showdown but can't call a raise. Example of a Polarized Range Board: K ♥ 7 ♠ 2 ♦ 9 ♣ 4 ♥ (river) Your polarized betting range might include: Value (strong hands): - Sets: KK, 77, 22 - Two pair: K9, K7, K2 - Overpairs: AA, QQ, JJ Bluffs (weak hands): - Busted draws: A ♠ Q ♠ , J ♠ T ♠ - Ace-high: A ♣ 5 ♣ , A ♦ 3 ♦ Excluded (medium-strength hands you check): - Weak pairs: 99, 88, 66, 55 - Weak top pairs: KT, K6, K5 Merged (Linear) Ranges: Betting Your Best Hands in Order A merged range (also called a linear range) consists of your best hands ranked in order of strength, with no gaps. You bet the top X% of your range and check the bottom portion. There's no distinction between "nuts" and "bluffs"—just a continuous spectrum of hand strength. Key Differences: Polarized vs Merged Quick Comparison - Polarized: Two segments (nuts + bluffs), excludes medium hands, large bets, common on river - Merged: Continuous spectrum, includes medium hands, small-medium bets, common on flop/turn When to Use Polarized Ranges 1. River Betting in Position The river is the most common spot for polarized ranges because there are no more cards to come. You can clearly categorize your hands as "strong enough to value bet" or "too weak to value bet but suitable for a bluff." 2. Large Bet Sizing When you use large bets (75%+ pot), your range naturally becomes polarized. Medium-strength hands can't call a raise when you bet big, so you only bet hands that can withstand aggression (nuts) or that have no showdown value anyway (bluffs). This is the same logic that drives [overbetting](https://gtogecko.com/blog/overbetting-strategy): once your range is strictly nuts-or-air, even a pot-sized bet can be too small. Sizing and range shape always move together, a relationship we map in full in our [poker bet sizing guide](https://gtogecko.com/blog/poker-bet-sizing-strategy). 3. Dry, Static Boards On boards like A ♥ 7 ♠ 2 ♦ rainbow, hand values are well-defined and unlikely to change. This creates clear separation between strong and weak hands, making polarization natural. 4. Preflop 3-Betting from the Blinds Polarization starts before the flop. When the small blind faces a button open, a classic [3-bet](https://gtogecko.com/blog/what-is-a-3-bet) range is built from premiums plus suited wheel aces as bluffs, while the medium hands fold. The same nuts-or-bluffs logic you apply on the river drives that preflop decision. When to Use Merged Ranges 1. Flop C-Betting in Position The flop is the most common spot for merged ranges because hand values are dynamic and you want to protect your equity with medium-strength hands that might improve. A small [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet) lets that entire spectrum bet cheaply without bloating the pot. Flop Merged Range Example You raise UTG, and the BB calls. The flop comes K ♣ 9 ♥ 5 ♠ Your merged c-bet range (using a small 33% pot bet): - Very strong: KK, 99, 55, AK - Strong: AA, QQ, JJ, TT, KQ, KJ - Medium: KT, 88, 77, 66, A9 2. Small Bet Sizing Small bets (25%-50% pot) pair naturally with merged ranges. You can bet a wide variety of hand strengths because your risk is lower, and you can call a raise with medium-strength hands getting good odds. 3. Dynamic, Wet Boards On wet, coordinated boards where hand values can change dramatically, merged ranges allow you to bet for protection and equity denial with hands that might improve or might need to fold to aggression. Range Balancing: The Bluff-to-Value Ratio Whether using polarized or merged ranges, you need the correct ratio of value bets to bluffs to remain unexploitable. This ratio depends on your bet size. Optimal bluff-to-value ratio = Pot odds you're offering your opponent Examples: - Pot-sized bet (100%): Use 1 bluff for every 2 value bets (33% bluffs) - 50% pot bet: Use 1 bluff for every 3 value bets (25% bluffs) - 33% pot bet: Use 1 bluff for every 4 value bets (20% bluffs) Common Mistakes with Range Construction 1. Polarizing Too Early (Flop/Turn) Many players polarize their ranges too early in the hand, betting only strong hands and bluffs on the flop. This is a mistake because: - You give up equity with medium-strength hands - Your checking range becomes too weak and exploitable - You can't call raises profitably (no bluff catchers) 2. Merging Too Late (River) Using merged ranges on the river with medium bet sizes is often incorrect because you can't call raises with bluff catchers, making your strategy exploitable. 3. Wrong Bet Sizing for Range Structure Large bets with merged ranges or small bets with polarized ranges create strategic contradictions: - Large bet + merged range: You have to fold too many medium hands to raises - Small bet + polarized range: You're not charging draws enough 4. Poor Bluff Selection In polarized ranges, choosing the wrong hands to bluff with is a major leak. Choose hands with no showdown value that block your opponent's continuing range. Our guides on [poker bluffing strategy](https://gtogecko.com/blog/poker-bluffing-strategy) and [blockers and unblockers](https://gtogecko.com/blog/blockers-unblockers) cover bluff candidate selection in detail. Exploiting Opponents' Range Construction Against Overly Polarized Opponents If your opponent polarizes too often or too early: - Raise their bets more: They fold their bluffs and can't call with medium hands - Bet when they check: Their checking range is too weak - Float and bluff later: They'll check rivers with medium-strength hands Out of position, the [check-raise](https://gtogecko.com/blog/check-raise-strategy) is the cleanest tool for this. Polarized bettors hate getting raised because half their range is air and the other half rarely improves. Against Overly Merged Opponents If your opponent uses merged ranges when they should polarize (e.g., river): - Raise more as a bluff: They have many marginal hands they must fold - Call down lighter: They're rarely bluffing with complete air Practical Applications Example 1: Flop - Merged Range Situation: You open CO, BB calls. Flop: Q ♥ T ♠ 6 ♦ Your hand: J ♥ J ♣ Strategy: Bet small (33% pot) with a merged range including AA, KK, JJ, AQ, KJ, 98, 87, AK Example 2: River - Polarized Range Board: Q ♥ T ♠ 6 ♦ 3 ♣ 2 ♥ Your hand: A ♠ K ♣ Strategy: Check (part of checking range with bluff-catchers) If betting river, polarize with value (sets, two pair) and bluffs (complete air), checking medium hands (AK, KQ, JJ). Polarized vs Merged Range FAQ What is a polarized range in poker? A polarized range contains only two kinds of hands: very strong value hands and bluffs with little or no showdown value. Medium-strength hands are deliberately excluded and checked instead. Polarized ranges pair with large bets, typically 75% pot and up, and appear most often on the river. What is a merged range in poker? A merged (or linear) range bets a continuous spectrum of hand strength, from the nuts down through medium-strength hands, with no gap in the middle. It pairs with smaller sizings of 25-50% pot and is most common on the flop, where equities still shift. Start with [understanding ranges in poker](https://gtogecko.com/blog/understanding-ranges-in-poker) if range thinking is new to you. When should you polarize your betting range? Polarize on the river, when using large or overbet sizings, and on dry, static boards where hand values are locked in. The river is the natural polarization street: with no cards to come, every hand is clearly either strong enough to value bet or only useful as a bluff. What bet size should you use with a polarized range? Large. With a polarized range, bet 75% pot or more; with a pot-sized bet, roughly one bluff per two value bets keeps you balanced. Small bets with polarized ranges undercharge draws, and big bets with merged ranges force your medium hands to fold to raises. Match the sizing to the structure. How do you play against a polarized range? Defend according to the pot odds offered: against a pot-sized bet, continue with roughly half your range; against bigger bets, slightly less. Prefer bluff catchers that do not block the bettor's likely bluffs, and remember that raising accomplishes little since their range is either air or near-nuts. Conclusion: Mastering Range Construction Understanding when and how to use polarized versus merged ranges is fundamental to modern poker strategy. The key principles: - Early streets favor merged ranges: Flop and turn with small-medium bets - Late streets favor polarized ranges: River with medium-large bets - Bet size dictates range structure: Large → polarized; small → merged - Balance your ranges: Use correct bluff-to-value ratios Key Takeaways - Polarized ranges contain strong hands and bluffs, excluding medium-strength holdings - Merged ranges bet hands continuously from strong to marginal - Use merged ranges on early streets with small-medium bets - Use polarized ranges on river with medium-large bets - Match bet sizing to range structure - Avoid polarizing too early or merging too late - Choose bluffs with no showdown value - Exploit opponents who misuse range structures Ready to analyze range construction in real game situations? [Browse GTO Gecko's presolved solutions](https://play.gtogecko.com/) to study how the solver splits its betting ranges across board textures, positions, and stack depths, then drill the same spots in the trainer until the patterns stick. ### Pot Odds and Poker Math: The Complete Practical Guide https://gtogecko.com/blog/pot-odds-poker-math Poker isn't just about psychology and reading opponents—it's fundamentally a game of mathematics. The difference between winning and losing players often comes down to one thing: making mathematically correct decisions based on pot odds and expected value. Don't worry if math isn't your strong suit. In this guide, we'll break down poker mathematics into simple, practical concepts you can use immediately at the tables. By the end, you'll understand how to calculate pot odds, determine if a call is profitable, and use math to make better decisions consistently. What Are Pot Odds? Pot odds are the ratio between the current size of the pot and the cost of a contemplated call. They tell you what price you're getting on your call, which helps you determine whether calling is profitable. Simple Pot Odds Example Situation: There's $100 in the pot, and your opponent bets $50. You need to call $50 to win $150 (the original $100 plus their $50 bet). Pot odds: $150:$50, which simplifies to 3:1 What this means: You're getting 3-to-1 on your money. For every $1 you risk, you can win $3. You need to win this hand more than 1 out of 4 times (25%) for calling to be profitable. The Basic Pot Odds Formula The formula for pot odds is straightforward: Pot Odds = (Pot after the opponent's bet) : (Call Amount) Or expressed as a percentage: Required Equity % = Call Amount ÷ (Pot after the opponent's bet + Call Amount) × 100 This threshold assumes the call ends the action and uses the pot you can actually win. If earlier contributions, future betting, side pots, rake, or tournament payouts are causing confusion, apply the [current-state pot-commitment test](https://gtogecko.com/blog/pot-committed-poker) before treating the percentage as a complete decision. How to Calculate Pot Odds in Seconds Let's walk through several practical examples so you can calculate pot odds quickly at the table: Example 1: River Decision Pot size: $200 Opponent's bet: $100 Your call: $100 Calculation: - Total pot if you call: $200 + $100 + $100 = $400 - Your investment: $100 - Pot odds: $300:$100 = 3:1 - Required equity: $100 ÷ $400 = 25% Decision: At exactly 25% equity, the call breaks even before rake. Above 25% it has positive direct EV; below 25% it has negative direct EV. Quick Reference: Common Pot Odds - 2:1 odds → Need 33.3% equity - 3:1 odds → Need 25% equity - 4:1 odds → Need 20% equity - 5:1 odds → Need 16.7% equity - Even money (1:1) → Need 50% equity Pro tip: Memorize these common ratios for quick mental math at the tables. Understanding Hand Equity and Outs To use pot odds effectively, you need to estimate your [hand's equity](https://gtogecko.com/blog/poker-equity-explained)—the probability that your hand will win by the river. This is where counting "outs" becomes essential. What Are Outs? Outs are cards remaining in the deck that will improve your hand to (likely) the best hand. Counting your outs accurately is crucial for making correct mathematical decisions. For a full breakdown of every common draw, see our [guide to poker outs and odds](https://gtogecko.com/blog/poker-outs-and-odds). Common Drawing Hands and Their Outs Flush Draw (9 outs): You have A ♥ K ♥ on a board of 7 ♥ 9 ♥ 2 ♠ 13 hearts in the deck - 4 you can see = 9 hearts remaining Open-Ended Straight Draw (8 outs): You have 8 ♦ 9 ♦ on a board of 6 ♣ 7 ♥ K ♠ Any Ten (4 cards) or Five (4 cards) = 8 outs Gutshot Straight Draw (4 outs): You have 8 ♦ 9 ♦ on a board of 6 ♣ J ♥ K ♠ Only a Ten completes your straight = 4 outs Two Overcards (6 outs): You have A ♠ K ♦ on a board of 7 ♥ 8 ♣ 9 ♠ 3 remaining Aces + 3 remaining Kings = 6 outs The Rule of 2 and 4 This simple rule helps you quickly convert outs into equity percentages without complex calculations: Rule of 2 and 4 On the turn (one card to come): Multiply your outs by 2 On the flop (two cards to come): Multiply your outs by 4 For more accuracy with 8+ outs: Multiply by 4, then subtract (outs - 8) Practical Examples Using Rule of 2 and 4 Example 1: Flush Draw on the Flop - Outs: 9 - Calculation: 9 × 4 = 36% (actual: 35%) - Your equity: ~36% to make your flush by the river Example 2: Open-Ended Straight Draw on the Turn - Outs: 8 - Calculation: 8 × 2 = 16% (actual: 17.4%) - Your equity: ~16% to make your straight on the river Putting It All Together: Pot Odds vs. Hand Equity The key decision-making process in poker mathematics is comparing your pot odds to your hand equity: The Golden Rule If your hand equity > required equity (pot odds), CALL If your hand equity Complete Example: Making a Turn Decision Your hand: A ♥ K ♥ Board: 7 ♥ 9 ♥ 2 ♠ Q ♣ Pot size: $150 Opponent bets: $75 Step 1: Calculate pot odds - Total pot if you call: $150 + $75 + $75 = $300 - Your call: $75 - Required equity: $75 ÷ $300 = 25% Step 2: Count your outs and calculate equity - Flush outs: 9 hearts - Conservative count: 9 outs (flush only) - Equity calculation: 9 × 2 = 18% Step 3: Compare - Required equity: 25% - Your equity: ~18% - Decision: FOLD (18% You can double-check any spot like this with the free [poker odds calculator](https://gtogecko.com/poker-odds-calculator), which computes exact equities hand vs hand or hand vs range in your browser. Implied Odds: Future Betting Potential Implied odds account for the money you expect to win on future betting rounds if you hit your hand. This concept is crucial because pot odds only consider the current pot size. What Are Implied Odds? Implied odds are the ratio of what you expect to win (current pot + future bets) versus what you must call now. They allow you to call with slightly worse immediate pot odds if you expect to win more later. Implied Odds Example Situation: You have a flush draw on the turn. - Pot: $100 - Opponent bets: $50 - Direct pot odds: 3:1 (need 25% equity) - Your equity: 18% (9 outs × 2) Analysis: Direct pot odds say fold (18% But consider: Your opponent has $200 behind. If you hit your flush, you estimate you can win an additional $100 on the river. Implied pot odds: ($100 pot + $50 bet + $100 future) ÷ $50 call = 5:1 5:1 odds = need 16.7% equity Decision: CALL (18% > 16.7% with implied odds) Expected Value (EV): The Ultimate Decision-Making Tool Expected Value is the average amount you expect to win or lose on a particular decision over the long run. It's the mathematical foundation of all poker decisions. The EV Formula EV = (% chance to win × Amount won) - (% chance to lose × Amount lost) Simple EV Calculation Situation: There's $100 in the pot before your opponent bets $50, and you need to call $50. If you have 40% equity: - 40% of the time you win $150 (pot + their bet): 0.40 × $150 = $60 - 60% of the time you lose $50 (your call): 0.60 × $50 = $30 - EV = $60 - $30 = +$30 This is a profitable call worth +$30 in expected value every time you make it. Common Poker Math Mistakes 1. Miscounting Outs Many players overestimate their outs by counting cards that won't actually win the hand. 2. Ignoring Opponent's Range Pot odds assume you win 100% of the time when you hit your outs. In reality, your hand might still lose even when you improve. 3. Forgetting About Future Streets On the flop and turn, remember you might face additional bets. Factor in the total cost to see all remaining cards, not just the immediate bet. Your opponent's [bet sizing](https://gtogecko.com/blog/poker-bet-sizing-strategy) on each street sets the price you pay, so think a street ahead. 4. Being Results-Oriented Making a mathematically correct fold doesn't become a mistake just because you would have won. Trust the math over the long run. To preserve that distinction during study, grade the action before the runout with our [result-blind poker review](https://gtogecko.com/blog/results-oriented-poker). Pot Odds FAQ How do you calculate pot odds quickly? Divide the call amount by the total pot after your call. Facing a $50 bet into a $100 pot, you call $50 into a final pot of $200, so you need 25% equity. The shortcut to remember: a half-pot bet always requires 25%, a pot-sized bet 33%, and a standard one-third-pot [continuation bet](https://gtogecko.com/blog/what-is-a-continuation-bet) just 20%. What pot odds do you need to call with a flush draw? A flush draw has 9 outs, which is roughly 35% equity from flop to river and 19.6% turn to river. With nine clean outs, no rake, and no future betting, a turn bet of about 32% of the pre-bet pot is the direct-odds break-even ceiling; larger bets need additional implied value. Our [poker outs and odds guide](https://gtogecko.com/blog/poker-outs-and-odds) covers every common draw. What is the difference between pot odds and equity? Pot odds are the price the pot offers you on a call; equity is your hand's share of the pot, the percentage of the time you win at showdown. The two only mean something together: when your equity exceeds the required equity from pot odds, calling is profitable. One without the other tells you nothing. Are pot odds the same as implied odds? No. Pot odds count only the money already in the middle, while implied odds add the bets you expect to win on later streets when you hit. Drawing hands against deep-stacked opponents gain the most from implied odds; obvious draws against short stacks gain almost nothing. Conclusion: Math Is Your Edge Poker math isn't about being a genius mathematician—it's about making slightly better decisions than your opponents, consistently, over thousands of hands. The players who understand pot odds, equity, and expected value will always have an edge over those who play by "feel" alone. Start by mastering the basics: - Calculate pot odds quickly - Count outs accurately - Use the Rule of 2 and 4 - Compare equity to pot odds before every decision - Consider implied odds when drawing As these calculations become second nature, you'll make better decisions automatically. Your win rate will increase, not because you got luckier, but because you made mathematically superior plays that compound over time. Key Takeaways - Pot odds = (Pot Size) : (Call Amount) or expressed as required equity % - Count outs conservatively—only cards that will actually win - Use Rule of 2 (turn) and Rule of 4 (flop) for quick equity estimates - If hand equity > pot odds requirement, call; if less, fold - Implied odds allow profitable calls when you can win more on later streets - Expected Value (EV) is the foundation of all profitable poker decisions - Practice math calculations until they become automatic - Trust the math even when results vary in the short term Ready to put poker math into practice? [Train these spots on GTO Gecko](https://play.gtogecko.com/) to study optimal strategies, analyze hand equities, and develop the mathematical foundation that separates winning players from the rest. ### Poker Warm-Up Routines: Prepare for Every Session https://gtogecko.com/blog/poker-warm-up-routines Most players obsess over the hands they play after they sit down, but the quality of a session is often decided during the 10 minutes before the first card is dealt. A consistent warm-up routine helps you arrive with centered focus, a clear tactical plan, and realistic expectations for the grind ahead. Instead of hoping you find flow, you can engineer it. Why Warm-Ups Matter for Poker Poker is a decision game masquerading as a card game. When you are scattered or running behind schedule, you bleed EV in ways that are hard to notice in real time. Well-designed warm-ups reinforce the states that lead to confident execution while reducing the variables that drag you into distraction or emotional turbulence. - Reduce costly autopilot. Reviewing your current priorities makes it less likely you default to outdated heuristics. - Shorten recovery time from losses. Warm-ups pre-load the mindset cues you will need when adversity hits. - Protect mental bandwidth. When the routine handles logistics and setup, more cognitive energy remains for real-time problem solving. Designing a Repeatable Checklist Your warm-up does not need to be complicated; it needs to be consistent. Build a short checklist you can execute in the same order before live sessions, online MTT grinds, or solver study blocks. Treat it like a pre-flight inspection: fast, thorough, and boring enough to run on autopilot once you have it dialed in. Sample Poker Warm-Up Checklist - Power down unrelated screens and silence notifications. - Review today's bankroll stop-loss and table selection criteria. - Skim the previous session's notes, highlighting one adjustment to emphasize. - Run a two-minute breathing drill or visualization to reset focus. - Open tracking and study apps, making sure hand capture is ready. Mindset Calibration The goal of the mindset block is not to become a monk; it's to lower nervous system noise. Two to five minutes is enough. Box breathing, progressive muscle relaxation, or a quick walk while rehearsing your session intention can all do the trick. The key is to connect the technique to a concise statement such as, "Today I will make disciplined folds on the turn when the range is capped." Establish Guardrails Write down the boundaries that keep your session healthy: total hours, maximum tables, stop-loss, and tilt exits. If tilt is a recurring leak, build those exit triggers from our [poker tilt and mental game guide](https://gtogecko.com/blog/poker-tilt-mental-game) so you are not improvising rules mid-spiral. Saying them out loud strengthens commitment and gives you ready-made decisions when emotional spikes occur. If you play live, this is also the moment to confirm transportation plans, so external logistics do not intrude once the cards are in the air. Technical Flash Review A warm-up is the perfect time to revisit the most relevant technical cue for the session. This could be a screenshot saved from a [solver study session](https://gtogecko.com/blog/how-to-use-poker-solver), a flop texture matrix, or a list of exploitative adjustments for the player pool you expect to face. Keep it focused—one node or concept is plenty. Flash Review Prompts - "What are my mandatory double-barrel combos when I 3-bet the button versus the cutoff on dynamic boards?" - "Which hands become profitable [squeezes](https://gtogecko.com/blog/squeeze-play-strategy) when the cold caller is too sticky?" - "How does my turn [c-bet](https://gtogecko.com/blog/what-is-a-continuation-bet) size change in blind-versus-blind single-raised pots at 30bb?" By revisiting these prompts, you prime your brain to notice the right cues in-game. When a comparable spot appears, the preparation saves seconds of uncertainty and prevents costly mis-clicks or overthinking. Quick Tactical Drills If you have five extra minutes, sprinkle in one rapid-fire drill. Run a handful of spots in the [GTO Gecko trainer](https://play.gtogecko.com/) (the daily free trainer hands exist for exactly this), re-drill the [opening ranges for the position you struggle with](https://gtogecko.com/blog/preflop-charts-opening-ranges), or annotate a single showdown hand you want to internalize. The goal is not to learn something new; it is to refresh the patterns you already understand so that they feel top-of-mind when you sit down. Investing ten minutes in a reliable warm-up can reclaim hours that would be lost to tilt, doubt, or sloppy decision making. Log the Routine and Iterate Track each warm-up in the same journal where you record session results. Note how long it took, what you emphasized, and how prepared you felt once the cards were live. Over time you will notice which elements correlate with your best performances. Remove the fluff, double down on the nuggets that keep you sharp, and keep the routine aligned with your current volume. Tournament series and cash weekends can require slightly different emphasis. Whenever you add a new tactic—maybe a high-intensity workout or a deep dive study session—test its impact for a few weeks before locking it into the checklist. Warm-ups fail when they balloon into hour-long marathons. Keep the core routine short and modular so you can adapt without skipping it entirely. Putting It All Together Before your next session, schedule a ten-minute window for a structured warm-up. Lay out your checklist, set a timer, and run through each step without rushing. Notice the increase in clarity as you sit down with a strong intention, fresh tactical cue, and pre-committed guardrails. Small routines create discipline, and disciplined preparation compounds into more consistent poker results. Instead of chasing confidence, you will build it on purpose every time you play. ### Blockers in Poker: Why They Decide Your Bluffs https://gtogecko.com/blog/blockers-unblockers You just made a hero call to bust a 20-year old kid right on the tournament bubble, and now he's going off on you, saying you had no blockers to his value range. You're sitting there wondering what on earth he's on about. In this article, we'll cover the basics of blockers and unblockers and when they apply to your poker game. Understanding Blockers Having a blocker is the effect of having a specific card, which removes your opponent's ability to have that same card. This in turn has the effect of blocking multiple [hand combinations](https://gtogecko.com/blog/combo-counting) in your opponent's range. That is direct, known-card removal. The [poker bunching effect](https://gtogecko.com/blog/poker-bunching-effect) is a related but different inference: when folded cards remain unseen, the actions can reweight their possible composition only through a hand-dependent fold model. This means that: - When bluffing, we want to block cards that are present in our opponent's calling range. - When value betting, we want to block cards that are present in our opponent's folding range. - When facing a bet while holding a bluff catcher, we want to block cards that are present in our opponent's value range, making it more likely they have a bluff. If choosing which hands to bluff is new ground, start with our [poker bluffing strategy guide](https://gtogecko.com/blog/poker-bluffing-strategy). Blockers are precisely how solvers make those picks. Blocker Example: Single Raised Pot with Flush Draw Let's say we're playing a single raised pot in a tournament on the button versus the big blind. The flop is Q ♥ 7 ♦ 5 ♦ , the big blind checks, we bet 33% pot and they call. The turn is 2 ♣ , the big blind checks and we bet 110% pot, they call. The river is J ♦ , completing a possible flush. When deciding whether to bluff on the river, our main focus should be on blocking our opponent's most obvious calls - in this case, a flush. A great bluffing hand with excellent blocker properties would be something like A ♦ 4 ♠ , as the A ♦ blocks our opponent from having the nut flush. Blocker Example: From the Defender's Perspective Using the same scenario but from the big blind's perspective, when facing an all-in on the river, we need to evaluate what hands to bluff-catch with. An example of a great bluff catcher would be Q ♣ 6 ♦ . The Q ♣ blocks our opponent from having value hands such as top set and top two pair, while the 6 ♦ blocks them from having rivered a flush. A perfect example of how blockers matter more than absolute hand strength on the river is where 5 ♣ 4 ♦ would be a great +EV call (blocking flushes), while a much stronger hand in absolute terms like Q ♠ T ♠ would be a significant -EV play to call. Understanding Unblockers An unblocker is the reverse effect of having a blocker. By having a certain card, you make it more likely that your opponent has specific cards. This has the effect of unblocking multiple hand combinations in your opponent's range, making it more likely they have combinations you prefer them to have. This means that: - When bluffing, we want to unblock cards that are present in our opponent's folding range. - When value betting, we want to unblock cards that are present in our opponent's calling range. - When facing a bet while holding a bluff catcher, we want to unblock cards that are present in our opponent's bluffing range, making it more likely they have a bluff. Unblocker Example: Value Betting Consider a single raised pot as the big blind versus the button, 50bb deep. The board is Q ♥ 7 ♦ 5 ♦ , we check and the button bets 33% pot, we call. The turn is 2 ♣ , we check and the button checks back. The river is T ♥ . When value betting, we want to unblock our opponent's calls, as we want to make it as likely as possible that they call our bet. In GTO solutions, a hand such as A ♠ 7 ♠ is almost never betting, while 7 ♥ 3 ♥ on the other hand is always betting. This is the effect of unblockers in the value betting context. When we bet a small size for value in this situation with only a pair of 7s, our opponent will have to call with a bunch of ace-high hands. When we don't hold an ace (like with 7 ♥ 3 ♥ ), it's much more likely that our opponent holds an ace, meaning they will call more often compared to when we bet with A7s. So A7s blocks calls and unblocks folds, whereas 73s blocks folds and unblocks calls in our opponent's range. Unblocker Example: Bluffing Using the same board scenario, when bluffing, we want to unblock our opponent's folding range, making it more likely they fold to our bet. In this situation, a great hand to bluff with is a missed flush draw because of the unblocker properties. When the button bets the flop and decides to check back the turn, they are much more likely to have a hand like J ♥ 9 ♥ compared to J ♦ 9 ♦ . This is because if the button has a flush draw themselves, they will simply bet the turn. When the button checks back, they are more likely to have a hand that had a backdoor flush draw on the flop (such as J ♥ 9 ♥ ) that then decided to check back the turn when it didn't improve. This means that a hand like J ♥ 9 ♥ , which will fold to our bluff, is much more likely to be in villain's range compared to J ♦ 9 ♦ . Thus, when we bluff, we would rather have J ♦ 9 ♦ in this situation. When Do Blockers and Unblockers Matter Most? Blockers and unblockers always have an impact on a GTO strategy, from preflop all the way to the river. However, they matter the most when [ranges](https://gtogecko.com/blog/understanding-ranges-in-poker) get narrow. Blocking or unblocking specific cards in a tight range spot means that the percentage effect of having or not having certain cards will be larger. Early in the hand, raw [equity](https://gtogecko.com/blog/poker-equity-explained) dominates decisions and removal effects are just a tiebreaker. By the river, ranges are narrow and the math flips: which cards you block often matters more than the strength of your hand. Blockers also drive preflop decisions. Hands like A5s make excellent [3-bet](https://gtogecko.com/blog/what-is-a-3-bet) bluffs partly because the ace blocks AA and AK, the exact hands that continue against a 3-bet. Key Takeaways for Using Blockers and Unblockers - For bluffing: Block your opponent's calling range and unblock their folding range - For value betting: Block your opponent's folding range and unblock their calling range - For bluff catching: Block your opponent's value range and unblock their bluffing range Conclusion Blockers and unblockers can be confusing at first, but they become easier to understand with practice. Use the [GTO Gecko app](https://play.gtogecko.com/) to study different spots, just like in the examples we've covered. Look at which hands the solver chooses to bluff or value bet with, and try to understand the reasoning based on the blocker and unblocker properties discussed. Understanding and applying these concepts can give you a significant edge in your decision-making process, especially in close spots where traditional hand strength hierarchy might lead you astray. Frequently Asked Questions What is the difference between blockers and removal? A blocker is direct removal caused by a known card in your hand or on the board. “Removal” can also describe conditional effects such as bunching, where hidden folded cards are not known and compatible deals are reweighted rather than certainly excluded. Do blockers apply only to Texas Hold'em? No. Omaha and other multi-card variants magnify their value because each player holds more removal cards. Practice Makes Perfect Next session, tag every decision with two quick questions: What do I block? What do I unblock? — then watch your lines tighten up and your win-rate climb.