stefan-kp
24 lines
792 B
JSON
24 lines
792 B
JSON
{
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"patternType": "DISCOVERED_CHECK",
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"description": "Bishop steps aside to reveal a rook check along the open file.",
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"cases": [
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{
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"id": "discovered_check_rook_on_open_file",
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"initialFen": "4k3/8/8/8/8/8/4B3/4R1K1 w - - 0 1",
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"sideToMove": "white",
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"bestMove": { "san": "Bb5+", "uci": "e2b5" },
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"resultingFen": "4k3/8/8/1B6/8/8/8/4R1K1 b - - 1 1",
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"expectedPattern": {
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"type": "DISCOVERED_CHECK",
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"side": "white",
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"attackerSquares": ["e1"],
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"targetSquares": ["e8"],
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"keySquares": ["b5"],
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"explanationKey": "rook_file_discovery"
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},
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"context": "Moving the bishop from e2 to b5 exposes the rook on e1, delivering check on the e-file.",
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"tags": ["discovery", "rook_file"]
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}
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]
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}
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