chessup-gamma.vercel.app

{
  "type": "object",
  "properties": {
    "fen": {
      "type": "string",
      "description": "Full FEN string, e.g. 'r1bqkb1r/pppp1ppp/2n2n2/4p2Q/2B1P3/8/PPPP1PPP/RNB1K1NR w KQkq - 4 4'."
    },
    "title": {
      "type": "string",
      "description": "Short puzzle title, e.g. 'Back-rank mate'."
    },
    "goal": {
      "type": "string",
      "description": "What the student must achieve, e.g. 'White to play and win a piece'."
    },
    "hint": {
      "type": "string",
      "description": "Optional hint the student can reveal."
    },
    "theme": {
      "type": "string",
      "description": "Tactical/strategic theme tag for tracking, e.g. 'fork', 'pin', 'mate_in_1'."
    },
    "solution": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Solution line in SAN, student's move first, alternating sides. e.g. ['Qxf7#'] or ['Nxe5','Nxe5','Qh5+','g6','Qxe5']."
    },
    "playerColor": {
      "type": "string",
      "enum": [
        "white",
        "black"
      ],
      "description": "Which colour the student plays. Defaults to the side to move in the FEN."
    },
    "cancelDrill": {
      "type": "boolean",
      "description": "Set true to abandon an active drill on purpose."
    }
  },
  "required": [
    "fen"
  ],
  "additionalProperties": false
}