{
  "schemaVersion": 1,
  "publishedOn": "2026-09-04",
  "scope": "Constructed no-limit hold’em chip ledgers for off-table study; not solver output, observed hands, or universal house rules.",
  "conventions": {
    "flopSpr": "effective stack behind after preflop / pot at the start of the flop",
    "largestLiveBlindUnit": "the largest live blind posted in the modeled profile; this unit conversion alone does not make two games strategically identical",
    "potAccounting": "one opener and one caller reach the flop; all other players fold; no ante, rake, drop, or uncalled amount"
  },
  "ruleProfiles": [
    {
      "id": "wsop-live-action-2026",
      "source": "https://assets.wsopcdn.com/wsop/853ee602-e1e9-4019-a0cf-381419d805c6.pdf",
      "accessedOn": "2026-09-04",
      "confirmed": [
        "Live straddle allowed in blind games.",
        "Default amount is twice the big blind unless otherwise specified.",
        "UTG or Button may post; Button takes precedence.",
        "Button straddles are not permitted in limit games.",
        "Opening-round action starts immediately left of the straddle.",
        "The straddler acts last in the opening round and retains the option to raise.",
        "Minimum raise following a live straddle is twice the straddle amount."
      ],
      "scopeNote": "These are WSOP Live-Action cash-game rules, not a universal poker standard."
    },
    {
      "id": "musashi-shibuya-current-page",
      "source": "https://www.pokerroom634.com/official/news/172",
      "accessedOn": "2026-09-04",
      "confirmed": [
        "The page permits straddles from UTG and successive doubling re-straddles through the Button."
      ],
      "unknownFromCitedPage": [
        "first actor after the final re-straddle",
        "last-action right",
        "minimum raise-to amount"
      ]
    },
    {
      "id": "seed-current-house-rules",
      "source": "https://seed-poker.jp/house-rules/",
      "accessedOn": "2026-09-04",
      "confirmed": [
        "The house rules do not adopt straddles."
      ]
    }
  ],
  "actionOrderExamples": {
    "profile": "WSOP Live-Action 2026, eight-handed no-limit hold’em seat labels",
    "utgStraddle": [
      "UTG+1 (first)",
      "LJ",
      "HJ",
      "CO",
      "BTN",
      "SB",
      "BB",
      "UTG straddler (last)"
    ],
    "buttonStraddle": [
      "SB (first)",
      "BB",
      "UTG",
      "UTG+1",
      "LJ",
      "HJ",
      "CO",
      "BTN straddler (last)"
    ]
  },
  "effectiveDepthConversions": [
    {
      "effectiveStartingStackInBb": 100,
      "straddleInBb": 2,
      "depthInStraddleUnits": 50
    },
    {
      "effectiveStartingStackInBb": 150,
      "straddleInBb": 2,
      "depthInStraddleUnits": 75
    },
    {
      "effectiveStartingStackInBb": 200,
      "straddleInBb": 2,
      "depthInStraddleUnits": 100
    },
    {
      "effectiveStartingStackInBb": 200,
      "straddleInBb": 4,
      "depthInStraddleUnits": 50
    }
  ],
  "workedComparison": {
    "commonInputs": {
      "game": "eight-handed no-limit hold’em",
      "blinds": "5/10",
      "effectiveStartingStack": 2000,
      "activePlayersAtFlop": 2
    },
    "noStraddle": {
      "smallBlind": 5,
      "bigBlind": 10,
      "straddle": 0,
      "effectiveStartingStack": 2000,
      "openTo": 30,
      "callers": 1,
      "forcedPot": 15,
      "voluntaryPot": 60,
      "flopPot": 75,
      "effectiveStackBehind": 1970,
      "flopSpr": 26.2667,
      "startingDepthInBigBlinds": 200,
      "startingDepthInLargestLiveBlind": 200,
      "openSizeInLargestLiveBlind": 3
    },
    "utgStraddle": {
      "smallBlind": 5,
      "bigBlind": 10,
      "straddle": 20,
      "effectiveStartingStack": 2000,
      "openTo": 60,
      "callers": 1,
      "forcedPot": 35,
      "voluntaryPot": 120,
      "flopPot": 155,
      "effectiveStackBehind": 1940,
      "flopSpr": 12.5161,
      "startingDepthInBigBlinds": 200,
      "startingDepthInLargestLiveBlind": 100,
      "openSizeInLargestLiveBlind": 3
    },
    "sprRatioStraddledToUnstraddled": 0.4765,
    "exactFractions": {
      "noStraddleSpr": "1970/75",
      "utgStraddleSpr": "1940/155",
      "sprRatioStraddledToUnstraddled": "2910/6107"
    },
    "interpretation": "A 2× live straddle halves starting depth expressed in largest-live-blind units, but the exact flop SPR is not obtained by simply halving because the forced-pot composition changes."
  }
}