{
  "checked": "2026-10-12",
  "kind": "synthetic educational scenarios; not actual tickets or odds",
  "system": {
    "total_stake": "300.00",
    "odds": [
      "1.50",
      "1.50",
      "1.50"
    ],
    "results": [
      "win",
      "win",
      "lose"
    ],
    "size": 2,
    "combinations": [
      {
        "legs": "AB",
        "stake": "100.00",
        "return": "225.00"
      },
      {
        "legs": "AC",
        "stake": "100.00",
        "return": "0.00"
      },
      {
        "legs": "BC",
        "stake": "100.00",
        "return": "0.00"
      }
    ],
    "return": "225.00",
    "net": "-75.00",
    "formula": "Sum of winning k-of-n stake × odds products, less total stake"
  },
  "handicap": {
    "line": "-0.75",
    "stake": "200.00",
    "odds": "1.90",
    "score": [
      1,
      0
    ],
    "parts": [
      {
        "line": "-0.5",
        "stake": "100.00",
        "return": "190.00",
        "result": "win"
      },
      {
        "line": "-1",
        "stake": "100.00",
        "return": "100.00",
        "result": "push"
      }
    ],
    "return": "290.00",
    "net": "90.00",
    "formula": "Split stake equally between neighbouring half/whole lines; settle score difference + line, then sum returns"
  },
  "rounding": "Exact Decimal computation here; fixtures have integer-CZK results. Tools retain rational precision and round the final total only. Bookmaker-specific rounding is outside these generic diagrams."
}