{
  "schema": 1,
  "scope": "Synthetic completed no-limit cash-game records, USD, results after pot rake and before rewards, tips or other expenses. Minutes share one clock per case; union of occupied intervals excludes breaks.",
  "cases": [
    {"id": "mixed-stakes", "label": "Sequential play at two stakes", "rows": [
      {"id": "A", "big_blind_usd": "0.50", "net_usd": "50", "hands": 1000, "start_min": 0, "end_min": 300},
      {"id": "B", "big_blind_usd": "2", "net_usd": "-80", "hands": 200, "start_min": 300, "end_min": 360}
    ]},
    {"id": "same-stake-control", "label": "Separate control: both rows at a one-dollar big blind", "rows": [
      {"id": "A", "big_blind_usd": "1", "net_usd": "100", "hands": 1000, "start_min": 0, "end_min": 300},
      {"id": "B", "big_blind_usd": "1", "net_usd": "-40", "hands": 200, "start_min": 300, "end_min": 360}
    ]},
    {"id": "simultaneous", "label": "Two tables during the same hour", "rows": [
      {"id": "Table 1", "big_blind_usd": "2", "net_usd": "10", "hands": 100, "start_min": 0, "end_min": 60},
      {"id": "Table 2", "big_blind_usd": "2", "net_usd": "10", "hands": 100, "start_min": 0, "end_min": 60}
    ]}
  ]
}