{
  "generatedAt": "2026-09-13T14:17:12.811Z",
  "engine": "LKMines (counting + subset rule + exact enumeration)",
  "games": 1000,
  "rows": [
    {
      "difficulty": "Beginner",
      "board": "9x9",
      "mines": 10,
      "games": 1000,
      "winPct": 95.5,
      "solvedNoGuessPct": 78.5,
      "avgGuessesPerGame": 0.3
    },
    {
      "difficulty": "Intermediate",
      "board": "16x16",
      "mines": 40,
      "games": 1000,
      "winPct": 85.6,
      "solvedNoGuessPct": 52.4,
      "avgGuessesPerGame": 0.89
    },
    {
      "difficulty": "Expert",
      "board": "30x16",
      "mines": 99,
      "games": 1000,
      "winPct": 36.2,
      "solvedNoGuessPct": 3.8,
      "avgGuessesPerGame": 3.82
    }
  ]
}