stefan-kp
24 lines
805 B
JSON
24 lines
805 B
JSON
{
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"patternType": "PIN",
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"description": "Classical bishop pin on the Ruy Lopez diagonal, tying the c6-knight to the e8-king.",
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"cases": [
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{
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"id": "pin_ruy_lopez_knight_to_king",
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"initialFen": "r1bqkbnr/pppp1ppp/2n5/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 2 3",
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"sideToMove": "white",
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"bestMove": { "san": "Bb5", "uci": "f1b5" },
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"resultingFen": "r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 3 3",
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"expectedPattern": {
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"type": "PIN",
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"side": "white",
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"attackerSquares": ["b5"],
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"targetSquares": ["c6"],
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"keySquares": ["e8"],
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"explanationKey": "pin_to_king"
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},
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"context": "1.e4 e5 2.Nf3 Nc6 3.Bb5 with the knight pinned to the king.",
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"tags": ["opening", "ruy_lopez"]
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}
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]
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}
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