task_id stringlengths 15 28 | task_type stringclasses 6
values | task_category stringclasses 1
value | input stringlengths 34 70 | question stringlengths 403 660 | format_examples listlengths 2 2 | correct_answer stringlengths 4 82 | answer_type stringclasses 1
value | metadata_json stringlengths 35 49 | source_file stringclasses 1
value | task_group stringclasses 1
value |
|---|---|---|---|---|---|---|---|---|---|---|
motifs_battery_0000 | motifs_battery | Motifs | 2q4k/5pbp/5n2/1p3P2/2p3P1/P3Q3/1P4P1/4R1K1 b - - 0 32 | You are given a chess position in FEN: 2q4k/5pbp/5n2/1p3P2/2p3P1/P3Q3/1P4P1/4R1K1 b - - 0 32.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the piece... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | e1>e3 | multi | {"puzzle_id": "HtdkP", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_fork_0000 | motifs_fork | Motifs | 2kr3r/ppp2Npp/2nbp3/8/2PP2n1/4BN1q/PP2BP2/R2Q1RK1 w - - 1 15 | You are given a chess position in FEN: 2kr3r/ppp2Npp/2nbp3/8/2PP2n1/4BN1q/PP2BP2/R2Q1RK1 w - - 1 15.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-a... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f7>d6-d8-h8, h3>f1-f3, g4>e3-f2 | multi | {"puzzle_id": "ZN8c5", "n_forks": 3} | motifs.jsonl | motifs |
motifs_battery_0001 | motifs_battery | Motifs | 2rq1rk1/pb1nbpp1/1p2pn1p/8/3P3B/2NB1N2/PP2QPPP/R3R1K1 b - - 4 14 | You are given a chess position in FEN: 2rq1rk1/pb1nbpp1/1p2pn1p/8/3P3B/2NB1N2/PP2QPPP/R3R1K1 b - - 4 14.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares o... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a1>e1, c8>d8>f8, e1>e2, e2>d3, e7>d8 | multi | {"puzzle_id": "ccO5s", "n_batteries": 5} | motifs.jsonl | motifs |
motifs_fork_0001 | motifs_fork | Motifs | r3kb1r/pp1qpp1p/6p1/3P4/4n3/5Q2/PB3PPP/R4RK1 w kq - 0 15 | You are given a chess position in FEN: r3kb1r/pp1qpp1p/6p1/3P4/4n3/5Q2/PB3PPP/R4RK1 w kq - 0 15.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attac... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f3>e4-f7 | multi | {"puzzle_id": "2xAg2", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0002 | motifs_fork | Motifs | 6r1/6bk/1p4Q1/p1p5/P4P2/4p1RK/3q3P/8 b - - 1 37 | You are given a chess position in FEN: 6r1/6bk/1p4Q1/p1p5/P4P2/4p1RK/3q3P/8 b - - 1 37.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piece... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | g6>b6-g7-h7 | multi | {"puzzle_id": "spE83", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0003 | motifs_fork | Motifs | 2rq1r2/1b5k/p3pPpp/1p2P3/3P1n1N/8/3QBP1P/R4RK1 b - - 0 25 | You are given a chess position in FEN: 2rq1r2/1b5k/p3pPpp/1p2P3/3P1n1N/8/3QBP1P/R4RK1 b - - 0 25.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-atta... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d8>d4-f6 | multi | {"puzzle_id": "R9eM2", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0004 | motifs_fork | Motifs | 2r1k2r/1q2bppp/2ppb3/1p2p3/1P2P2P/2QPBN2/2P2PP1/R3K2R b KQk - 0 17 | You are given a chess position in FEN: 2r1k2r/1q2bppp/2ppb3/1p2p3/1P2P2P/2QPBN2/2P2PP1/R3K2R b KQk - 0 17.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_pi... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c3>c6-e5 | multi | {"puzzle_id": "XdhAu", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0000 | motifs_pin | Motifs | 6k1/2q2ppp/1pb5/2p5/4pN2/1Q2P3/PP1r1PPP/5RK1 w - - 0 23 | You are given a chess position in FEN: 6k1/2q2ppp/1pb5/2p5/4pN2/1Q2P3/PP1r1PPP/5RK1 w - - 0 23.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line ... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | b3>f7>g8 | multi | {"puzzle_id": "dLwwl", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0005 | motifs_fork | Motifs | 3R4/8/8/5PK1/1p1nk3/1P1p4/P7/8 w - - 1 54 | You are given a chess position in FEN: 3R4/8/8/5PK1/1p1nk3/1P1p4/P7/8 w - - 1 54.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piece2(-att... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d4>b3-f5 | multi | {"puzzle_id": "R6ahm", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0006 | motifs_fork | Motifs | r2qkb1r/pp3ppp/8/2p1P3/2Pnn1b1/5NP1/PP3PBP/RNBQ1RK1 w kq - 0 10 | You are given a chess position in FEN: r2qkb1r/pp3ppp/8/2p1P3/2Pnn1b1/5NP1/PP3PBP/RNBQ1RK1 w kq - 0 10.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>f2-g3 | multi | {"puzzle_id": "GJu0p", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0007 | motifs_fork | Motifs | 2q2r1k/5rp1/7p/5P2/8/1Q6/1PP2R1P/1K3R2 w - - 1 33 | You are given a chess position in FEN: 2q2r1k/5rp1/7p/5P2/8/1Q6/1PP2R1P/1K3R2 w - - 1 33.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pie... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c8>c2-f5 | multi | {"puzzle_id": "gzMsh", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0008 | motifs_fork | Motifs | 3r1r2/pk5p/2p2n2/1p4p1/4Np2/1P3K1P/P1P3P1/3R3R b - - 1 22 | You are given a chess position in FEN: 3r1r2/pk5p/2p2n2/1p4p1/4Np2/1P3K1P/P1P3P1/3R3R b - - 1 22.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-atta... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>f6-g5 | multi | {"puzzle_id": "pIfD3", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0009 | motifs_fork | Motifs | 2k1r1r1/1p1n1p1p/p4p2/q2p4/1N1Pp2B/P1P3QP/5P2/R4KR1 w - - 2 23 | You are given a chess position in FEN: 2k1r1r1/1p1n1p1p/p4p2/q2p4/1N1Pp2B/P1P3QP/5P2/R4KR1 w - - 2 23.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b4>a6-d5, a5>a3-b4 | multi | {"puzzle_id": "5MzxL", "n_forks": 2} | motifs.jsonl | motifs |
motifs_battery_0002 | motifs_battery | Motifs | 3R4/2r3k1/p1q5/1p6/1P1Q1Pp1/1K4Pp/7P/8 b - - 15 71 | You are given a chess position in FEN: 3R4/2r3k1/p1q5/1p6/1P1Q1Pp1/1K4Pp/7P/8 b - - 15 71.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the pieces i... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | c6>c7, d4>d8 | multi | {"puzzle_id": "5KDEB", "n_batteries": 2} | motifs.jsonl | motifs |
motifs_fork_0010 | motifs_fork | Motifs | 8/8/8/5p1p/5N2/5P2/4k1PK/4q3 b - - 7 81 | You are given a chess position in FEN: 8/8/8/5p1p/5N2/5P2/4k1PK/4q3 b - - 7 81.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piece2(-attac... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f4>e2-h5 | multi | {"puzzle_id": "tX7F2", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0011 | motifs_fork | Motifs | 1br3k1/p4Q1p/2p1N1p1/3p4/1P1P3P/P4qPb/5P2/2R1R1K1 b - - 0 36 | You are given a chess position in FEN: 1br3k1/p4Q1p/2p1N1p1/3p4/1P1P3P/P4qPb/5P2/2R1R1K1 b - - 0 36.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-a... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f7>a7-f3-g6-g8-h7, f3>a3-f2-f7-g3 | multi | {"puzzle_id": "zZB4V", "n_forks": 2} | motifs.jsonl | motifs |
motifs_battery_0003 | motifs_battery | Motifs | r2qnrk1/3nppbp/b2p2p1/1NpP4/P3P3/6P1/1P1NQPBP/R1B2RK1 w - - 3 15 | You are given a chess position in FEN: r2qnrk1/3nppbp/b2p2p1/1NpP4/P3P3/6P1/1P1NQPBP/R1B2RK1 w - - 3 15.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares o... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a8>d8 | multi | {"puzzle_id": "QLEXj", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_fork_0012 | motifs_fork | Motifs | 7k/1b5p/p5pP/2p2pK1/1p5Q/P5N1/1PPq4/4R3 w - - 2 34 | You are given a chess position in FEN: 7k/1b5p/p5pP/2p2pK1/1p5Q/P5N1/1PPq4/4R3 w - - 2 34.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pi... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | g5>f5-g6, d2>c2-e1-g5 | multi | {"puzzle_id": "CQggi", "n_forks": 2} | motifs.jsonl | motifs |
motifs_battery_0004 | motifs_battery | Motifs | r1bk2nr/ppp1bBp1/3q3p/4N3/Q7/2P4P/PP3PP1/RNB4K b - - 2 14 | You are given a chess position in FEN: r1bk2nr/ppp1bBp1/3q3p/4N3/Q7/2P4P/PP3PP1/RNB4K b - - 2 14.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the p... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | d6>e7 | multi | {"puzzle_id": "7tGzV", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_fork_0013 | motifs_fork | Motifs | r1b1k2r/ppp2ppp/8/q3p3/1nP5/3P2N1/PP1Q1PPP/R3KB1R b KQkq - 1 12 | You are given a chess position in FEN: r1b1k2r/ppp2ppp/8/q3p3/1nP5/3P2N1/PP1Q1PPP/R3KB1R b KQkq - 1 12.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b4>a2-d3 | multi | {"puzzle_id": "7jEbm", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0014 | motifs_fork | Motifs | r1bqk2r/1p3ppp/p1nbpn2/2ppN3/3P1B2/2P1P3/PP1N1PPP/R2QKB1R w KQkq - 2 8 | You are given a chess position in FEN: r1bqk2r/1p3ppp/p1nbpn2/2ppN3/3P1B2/2P1P3/PP1N1PPP/R2QKB1R w KQkq - 2 8.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacke... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e5>c6-f7, c6>d4-e5 | multi | {"puzzle_id": "VIirG", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0015 | motifs_fork | Motifs | 4b1k1/R4pp1/2p1p2p/2P2q2/1PN5/4Q1P1/5PKP/3r4 w - - 3 34 | You are given a chess position in FEN: 4b1k1/R4pp1/2p1p2p/2P2q2/1PN5/4Q1P1/5PKP/3r4 w - - 3 34.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attack... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e3>e6-h6, f5>c5-f2 | multi | {"puzzle_id": "UOgT2", "n_forks": 2} | motifs.jsonl | motifs |
motifs_pin_0001 | motifs_pin | Motifs | 2Q4k/pq2P1pp/8/8/4NP2/1n2PK2/1r4PP/3R4 b - - 0 33 | You are given a chess position in FEN: 2Q4k/pq2P1pp/8/8/4NP2/1n2PK2/1r4PP/3R4 b - - 0 33.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line format... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | b7>e4>f3 | multi | {"puzzle_id": "EhNGV", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0016 | motifs_fork | Motifs | 3Q4/5ppp/p3p1k1/2Pp1b2/7P/2P1PK2/P4PP1/qN6 b - - 0 21 | You are given a chess position in FEN: 3Q4/5ppp/p3p1k1/2Pp1b2/7P/2P1PK2/P4PP1/qN6 b - - 0 21.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | a1>a2-b1-c3 | multi | {"puzzle_id": "B3BOd", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0017 | motifs_fork | Motifs | r2q1rk1/ppp2pbp/2p3p1/8/1Q5n/2P3N1/PPB2PbP/R1B1R1K1 b - - 1 18 | You are given a chess position in FEN: r2q1rk1/ppp2pbp/2p3p1/8/1Q5n/2P3N1/PPB2PbP/R1B1R1K1 b - - 1 18.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b4>b7-f8-h4 | multi | {"puzzle_id": "oha6y", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0018 | motifs_fork | Motifs | r7/P1r2p1p/6k1/1R6/3B1Kp1/5pP1/5P1P/8 b - - 13 41 | You are given a chess position in FEN: r7/P1r2p1p/6k1/1R6/3B1Kp1/5pP1/5P1P/8 b - - 13 41.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pie... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f4>f3-g4 | multi | {"puzzle_id": "fxG7b", "n_forks": 1} | motifs.jsonl | motifs |
motifs_battery_0005 | motifs_battery | Motifs | r2qr1k1/ppp4p/3p1p1B/2nP2p1/2P3bN/8/P1BN2PP/Q4RK1 w - - 0 17 | You are given a chess position in FEN: r2qr1k1/ppp4p/3p1p1B/2nP2p1/2P3bN/8/P1BN2PP/Q4RK1 w - - 0 17.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of th... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a1>f1, a8>d8>e8 | multi | {"puzzle_id": "v0QjJ", "n_batteries": 2} | motifs.jsonl | motifs |
motifs_pin_0002 | motifs_pin | Motifs | 6rk/pn5p/1p1p4/3Pp3/qPP1QpP1/3B1P2/2R4r/3K1R2 b - - 2 40 | You are given a chess position in FEN: 6rk/pn5p/1p1p4/3Pp3/qPP1QpP1/3B1P2/2R4r/3K1R2 b - - 2 40.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | a4>c2>d1 | multi | {"puzzle_id": "h3U8p", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0019 | motifs_fork | Motifs | 7k/ppp3p1/8/4p3/1P1bQ3/P6q/1B2nR2/1R5K w - - 3 35 | You are given a chess position in FEN: 7k/ppp3p1/8/4p3/1P1bQ3/P6q/1B2nR2/1R5K w - - 3 35.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pie... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>b7-d4-e2-e5, h3>a3-h1, d4>b2-f2 | multi | {"puzzle_id": "PaK3t", "n_forks": 3} | motifs.jsonl | motifs |
motifs_fork_0020 | motifs_fork | Motifs | rnbq1rk1/pp2bppp/4p3/4P3/3N2n1/2NB4/PP3PPP/R1BQK2R b KQ - 2 10 | You are given a chess position in FEN: rnbq1rk1/pp2bppp/4p3/4P3/3N2n1/2NB4/PP3PPP/R1BQK2R b KQ - 2 10.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | g4>e5-f2-h2 | multi | {"puzzle_id": "29TZb", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0003 | motifs_pin | Motifs | r3r3/1p3pk1/p1pq2p1/3n4/3P2Q1/PB6/1P3PPP/4RRK1 w - - 0 23 | You are given a chess position in FEN: r3r3/1p3pk1/p1pq2p1/3n4/3P2Q1/PB6/1P3PPP/4RRK1 w - - 0 23.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single lin... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | g4>g6>g7 | multi | {"puzzle_id": "orW59", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0021 | motifs_fork | Motifs | 7k/p5pp/1p1q4/2p1p3/1PQ1B3/P1b2P1P/6P1/7K b - - 0 33 | You are given a chess position in FEN: 7k/p5pp/1p1q4/2p1p3/1PQ1B3/P1b2P1P/6P1/7K b - - 0 33.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c4>c3-c5 | multi | {"puzzle_id": "qT5TY", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0022 | motifs_fork | Motifs | br5k/2R3pp/3p4/p2Ppp2/N7/1B1qbPPP/P1Q4K/8 b - - 2 37 | You are given a chess position in FEN: br5k/2R3pp/3p4/p2Ppp2/N7/1B1qbPPP/P1Q4K/8 b - - 2 37.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d3>b3-c2-d5 | multi | {"puzzle_id": "lJvrI", "n_forks": 1} | motifs.jsonl | motifs |
motifs_battery_0006 | motifs_battery | Motifs | 1Q6/Q4ppk/7p/8/8/4R1PP/5P1K/1r1q4 w - - 1 40 | You are given a chess position in FEN: 1Q6/Q4ppk/7p/8/8/4R1PP/5P1K/1r1q4 w - - 1 40.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the pieces in alph... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | b1>d1, a7>b8 | multi | {"puzzle_id": "BQc94", "n_batteries": 2} | motifs.jsonl | motifs |
motifs_fork_0023 | motifs_fork | Motifs | r6k/pbq3pp/1pp5/4P1Q1/2B1n3/P1P5/4N1PP/5RK1 w - - 0 23 | You are given a chess position in FEN: r6k/pbq3pp/1pp5/4P1Q1/2B1n3/P1P5/4N1PP/5RK1 w - - 0 23.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacke... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>c3-g5 | multi | {"puzzle_id": "Zd5eQ", "n_forks": 1} | motifs.jsonl | motifs |
motifs_battery_0007 | motifs_battery | Motifs | rn1q1rk1/pp3ppp/2pb1n2/3N2B1/3P2b1/5N2/PPP1BPPP/R2QK2R w KQ - 0 9 | You are given a chess position in FEN: rn1q1rk1/pp3ppp/2pb1n2/3N2B1/3P2b1/5N2/PPP1BPPP/R2QK2R w KQ - 0 9.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares ... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a1>d1, d8>f8, d1>e2 | multi | {"puzzle_id": "10me9", "n_batteries": 3} | motifs.jsonl | motifs |
motifs_battery_0008 | motifs_battery | Motifs | r3k2r/pq2bppp/4p3/1pnp2P1/5B1P/1B3Q2/PPP2P2/1K1RR3 b kq - 2 21 | You are given a chess position in FEN: r3k2r/pq2bppp/4p3/1pnp2P1/5B1P/1B3Q2/PPP2P2/1K1RR3 b kq - 2 21.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of ... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | d1>e1 | multi | {"puzzle_id": "w7nZK", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_fork_0024 | motifs_fork | Motifs | rn2kb1r/pp1n1ppp/2pp1q2/8/2BPPB2/2N2Q1P/PPP3P1/R3K2R w KQkq - 2 10 | You are given a chess position in FEN: rn2kb1r/pp1n1ppp/2pp1q2/8/2BPPB2/2N2Q1P/PPP3P1/R3K2R w KQkq - 2 10.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_pi... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f6>d4-f4 | multi | {"puzzle_id": "POids", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0025 | motifs_fork | Motifs | 2n5/q4kbp/pB1p1pp1/2pP4/2N1r3/1Q5P/1P3PP1/R5K1 b - - 1 28 | You are given a chess position in FEN: 2n5/q4kbp/pB1p1pp1/2pP4/2N1r3/1Q5P/1P3PP1/R5K1 b - - 1 28.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-atta... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b6>a7-c5 | multi | {"puzzle_id": "UUDK1", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0004 | motifs_pin | Motifs | 5bk1/p4p1p/1p1q2p1/3B4/6P1/1P3QP1/5P1K/8 b - - 0 46 | You are given a chess position in FEN: 5bk1/p4p1p/1p1q2p1/3B4/6P1/1P3QP1/5P1K/8 b - - 0 46.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line form... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | d6>g3>h2, d5>f7>g8 | multi | {"puzzle_id": "ylMWM", "n_pins": 2} | motifs.jsonl | motifs |
motifs_pin_0005 | motifs_pin | Motifs | R4nk1/2R5/3p1qpb/2pP3p/2P1Q2P/2rB2P1/1r3PK1/4N3 w - - 1 38 | You are given a chess position in FEN: R4nk1/2R5/3p1qpb/2pP3p/2P1Q2P/2rB2P1/1r3PK1/4N3 w - - 1 38.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single li... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | b2>f2>g2, a8>f8>g8 | multi | {"puzzle_id": "O2K4q", "n_pins": 2} | motifs.jsonl | motifs |
motifs_fork_0026 | motifs_fork | Motifs | 3rn1k1/5pp1/pN5q/2pP1Q2/2P2P2/6P1/P3R1K1/8 w - - 1 36 | You are given a chess position in FEN: 3rn1k1/5pp1/pN5q/2pP1Q2/2P2P2/6P1/P3R1K1/8 w - - 1 36.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | h6>b6-f4 | multi | {"puzzle_id": "GHMeZ", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0006 | motifs_pin | Motifs | 5rk1/8/1pp1p3/2bp1p1q/6nN/2Q1PBP1/rB6/3N1RK1 b - - 7 32 | You are given a chess position in FEN: 5rk1/8/1pp1p3/2bp1p1q/6nN/2Q1PBP1/rB6/3N1RK1 b - - 7 32.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line ... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | c5>e3>g1 | multi | {"puzzle_id": "11a1A", "n_pins": 1} | motifs.jsonl | motifs |
motifs_battery_0009 | motifs_battery | Motifs | 1r1q1rk1/R5p1/2pp3p/3Pp3/1pP1Pp2/3P3P/1P2Q1P1/5RK1 w - - 0 23 | You are given a chess position in FEN: 1r1q1rk1/R5p1/2pp3p/3Pp3/1pP1Pp2/3P3P/1P2Q1P1/5RK1 w - - 0 23.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of t... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | b8>d8>f8 | multi | {"puzzle_id": "7DWm5", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_pin_0007 | motifs_pin | Motifs | 8/2P3k1/4bppp/p4q2/6P1/2Q4P/1B3P2/6K1 b - - 0 37 | You are given a chess position in FEN: 8/2P3k1/4bppp/p4q2/6P1/2Q4P/1B3P2/6K1 b - - 0 37.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line formatt... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | c3>f6>g7 | multi | {"puzzle_id": "YX870", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0027 | motifs_fork | Motifs | 1R6/4k1pp/B3p3/P4p2/3bn3/5KP1/R4P1r/8 w - - 6 36 | You are given a chess position in FEN: 1R6/4k1pp/B3p3/P4p2/3bn3/5KP1/R4P1r/8 w - - 6 36.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piec... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>f2-g3 | multi | {"puzzle_id": "Pdx1r", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0028 | motifs_fork | Motifs | 5r2/1prq1p1k/3p1Qpp/p2p4/3P4/P3P2P/1P2NRPK/8 b - - 7 29 | You are given a chess position in FEN: 5r2/1prq1p1k/3p1Qpp/p2p4/3P4/P3P2P/1P2NRPK/8 b - - 7 29.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attack... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f6>d6-f7-g6 | multi | {"puzzle_id": "JNzoQ", "n_forks": 1} | motifs.jsonl | motifs |
motifs_battery_0010 | motifs_battery | Motifs | 1rr5/p5p1/1PK1nk1p/5p2/2B5/1NN5/1PP3PP/3RR3 w - - 1 26 | You are given a chess position in FEN: 1rr5/p5p1/1PK1nk1p/5p2/2B5/1NN5/1PP3PP/3RR3 w - - 1 26.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the piec... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | d1>e1, b8>c8 | multi | {"puzzle_id": "sdhLs", "n_batteries": 2} | motifs.jsonl | motifs |
motifs_pin_0008 | motifs_pin | Motifs | 4r3/1p4kp/1b4p1/8/1PQpq3/4p3/2P3PP/R4R1K w - - 4 30 | You are given a chess position in FEN: 4r3/1p4kp/1b4p1/8/1PQpq3/4p3/2P3PP/R4R1K w - - 4 30.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line form... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | e4>g2>h1 | multi | {"puzzle_id": "MYZa8", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0029 | motifs_fork | Motifs | 7k/pR2n2p/2p3n1/7P/2P3Q1/1P4P1/P4bK1/q7 w - - 0 31 | You are given a chess position in FEN: 7k/pR2n2p/2p3n1/7P/2P3Q1/1P4P1/P4bK1/q7 w - - 0 31.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pi... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b7>a7-e7 | multi | {"puzzle_id": "6Eb4I", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0030 | motifs_fork | Motifs | r2k4/p2b1Q1p/1bp1pq1p/3pN3/1P1P4/P5rP/5P1K/RN2R3 b - - 1 21 | You are given a chess position in FEN: r2k4/p2b1Q1p/1bp1pq1p/3pN3/1P1P4/P5rP/5P1K/RN2R3 b - - 1 21.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-at... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e5>c6-d7, f7>d7-e6-f6-h7, g3>a3-h3, f6>e5-f2-f7 | multi | {"puzzle_id": "EbOCH", "n_forks": 4} | motifs.jsonl | motifs |
motifs_fork_0031 | motifs_fork | Motifs | 4r3/ppR5/2p2kp1/5b1p/2BP1p1P/8/P1P3P1/6K1 b - - 0 32 | You are given a chess position in FEN: 4r3/ppR5/2p2kp1/5b1p/2BP1p1P/8/P1P3P1/6K1 b - - 0 32.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c7>b7-c6 | multi | {"puzzle_id": "zhrH5", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0009 | motifs_pin | Motifs | 8/R7/2knR3/1p1p4/p2P4/P1P5/KP4r1/5r2 b - - 10 46 | You are given a chess position in FEN: 8/R7/2knR3/1p1p4/p2P4/P1P5/KP4r1/5r2 b - - 10 46.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line formatt... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | g2>b2>a2, e6>d6>c6 | multi | {"puzzle_id": "TwVeT", "n_pins": 2} | motifs.jsonl | motifs |
motifs_fork_0032 | motifs_fork | Motifs | 2r2rk1/p3n1pp/2q2p2/Np2p3/8/P3P3/1PQ2PPP/2R2RK1 b - - 1 20 | You are given a chess position in FEN: 2r2rk1/p3n1pp/2q2p2/Np2p3/8/P3P3/1PQ2PPP/2R2RK1 b - - 1 20.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-att... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c2>c6-h7, c6>c2-g2 | multi | {"puzzle_id": "ZWFiX", "n_forks": 2} | motifs.jsonl | motifs |
motifs_pin_0010 | motifs_pin | Motifs | r5k1/1pp2ppp/2r5/p3p2P/4Pq2/P1Q5/1PPR4/1K3BR1 w - - 2 25 | You are given a chess position in FEN: r5k1/1pp2ppp/2r5/p3p2P/4Pq2/P1Q5/1PPR4/1K3BR1 w - - 2 25.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | g1>g7>g8 | multi | {"puzzle_id": "OVSYJ", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0033 | motifs_fork | Motifs | 6k1/1p2qpp1/4p2p/1Q1n4/4B3/P6P/1P3PP1/6K1 b - - 0 27 | You are given a chess position in FEN: 6k1/1p2qpp1/4p2p/1Q1n4/4B3/P6P/1P3PP1/6K1 b - - 0 27.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b5>b7-d5 | multi | {"puzzle_id": "hdEC1", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0034 | motifs_fork | Motifs | 3r1rk1/p4p1p/2N2pp1/3P4/8/1P6/P4KPP/R7 b - - 2 26 | You are given a chess position in FEN: 3r1rk1/p4p1p/2N2pp1/3P4/8/1P6/P4KPP/R7 b - - 2 26.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pie... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c6>a7-d8 | multi | {"puzzle_id": "TwFFo", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0011 | motifs_pin | Motifs | 1k4r1/p1r1np2/Pp1Qp3/3p3p/1PPP2q1/3B2Pp/5P1K/2R2R2 b - - 3 26 | You are given a chess position in FEN: 1k4r1/p1r1np2/Pp1Qp3/3p3p/1PPP2q1/3B2Pp/5P1K/2R2R2 b - - 3 26.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | d6>c7>b8 | multi | {"puzzle_id": "cj4q0", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0035 | motifs_fork | Motifs | 4r1k1/1R3p1p/p5p1/1b1P4/7P/6P1/P2r1PB1/2R3K1 w - - 0 28 | You are given a chess position in FEN: 4r1k1/1R3p1p/p5p1/1b1P4/7P/6P1/P2r1PB1/2R3K1 w - - 0 28.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attack... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b7>b5-f7, d2>a2-d5-f2 | multi | {"puzzle_id": "ftdWn", "n_forks": 2} | motifs.jsonl | motifs |
motifs_pin_0012 | motifs_pin | Motifs | 7k/3R2p1/1q5p/8/1P1Q3P/6P1/1P3r1K/8 w - - 0 39 | You are given a chess position in FEN: 7k/3R2p1/1q5p/8/1P1Q3P/6P1/1P3r1K/8 w - - 0 39.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line formatted... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | d4>g7>h8 | multi | {"puzzle_id": "dheOb", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0036 | motifs_fork | Motifs | r1bq1k1r/pp1p2pp/3Npp2/b3n2Q/8/2P5/P1PB1PPP/R3KB1R b KQ - 3 13 | You are given a chess position in FEN: r1bq1k1r/pp1p2pp/3Npp2/b3n2Q/8/2P5/P1PB1PPP/R3KB1R b KQ - 3 13.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | h5>e5-h7, d6>b7-c8 | multi | {"puzzle_id": "3GDiZ", "n_forks": 2} | motifs.jsonl | motifs |
motifs_pin_0013 | motifs_pin | Motifs | 1k1r4/ppp5/8/2b5/5P1P/1P4Q1/P1q2PP1/5RK1 b - - 0 27 | You are given a chess position in FEN: 1k1r4/ppp5/8/2b5/5P1P/1P4Q1/P1q2PP1/5RK1 b - - 0 27.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line form... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | c5>f2>g1 | multi | {"puzzle_id": "BoOb0", "n_pins": 1} | motifs.jsonl | motifs |
motifs_pin_0014 | motifs_pin | Motifs | 5rk1/6p1/8/1p1Q4/2pP4/PpP2PbP/1P5q/4RK2 b - - 0 30 | You are given a chess position in FEN: 5rk1/6p1/8/1p1Q4/2pP4/PpP2PbP/1P5q/4RK2 b - - 0 30.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line forma... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | f8>f3>f1 | multi | {"puzzle_id": "T7GOG", "n_pins": 1} | motifs.jsonl | motifs |
motifs_pin_0015 | motifs_pin | Motifs | r4rk1/p2q1ppp/1p2b3/5n1N/3p2Q1/2N4P/PP3PP1/2R1R1K1 b - - 1 21 | You are given a chess position in FEN: r4rk1/p2q1ppp/1p2b3/5n1N/3p2Q1/2N4P/PP3PP1/2R1R1K1 b - - 1 21.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | g4>g7>g8 | multi | {"puzzle_id": "FdnrR", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0037 | motifs_fork | Motifs | r3k2r/4bpp1/p2p4/qpn1p1P1/4P3/1bN1BP2/PPPQ4/2KR2R1 w kq - 0 19 | You are given a chess position in FEN: r3k2r/4bpp1/p2p4/qpn1p1P1/4P3/1bN1BP2/PPPQ4/2KR2R1 w kq - 0 19.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b3>a2-c2, a5>a2-c3 | multi | {"puzzle_id": "2Wk61", "n_forks": 2} | motifs.jsonl | motifs |
motifs_battery_0011 | motifs_battery | Motifs | 4r1k1/p2p1p2/1q4pp/3P2n1/8/R1Q2PP1/3NNK1P/8 w - - 3 31 | You are given a chess position in FEN: 4r1k1/p2p1p2/1q4pp/3P2n1/8/R1Q2PP1/3NNK1P/8 w - - 3 31.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the piec... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a3>c3 | multi | {"puzzle_id": "PpzVk", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_fork_0038 | motifs_fork | Motifs | 8/1p1R1ppk/7p/8/3BbP2/1B4KP/PP3P2/6r1 w - - 3 42 | You are given a chess position in FEN: 8/1p1R1ppk/7p/8/3BbP2/1B4KP/PP3P2/6r1 w - - 3 42.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piec... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d7>b7-f7 | multi | {"puzzle_id": "OCVWy", "n_forks": 1} | motifs.jsonl | motifs |
motifs_battery_0012 | motifs_battery | Motifs | 3rr1k1/5ppp/pp6/2pnq3/2PbP3/1P3Q1P/P5P1/2B1RR1K w - - 0 27 | You are given a chess position in FEN: 3rr1k1/5ppp/pp6/2pnq3/2PbP3/1P3Q1P/P5P1/2B1RR1K w - - 0 27.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the ... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | e1>f1, d8>e8, e5>e8, f1>f3, d4>e5 | multi | {"puzzle_id": "tCvkO", "n_batteries": 5} | motifs.jsonl | motifs |
motifs_fork_0039 | motifs_fork | Motifs | 2r3k1/5p2/p1b1pqp1/1p5p/P1pBQPnP/2P5/1PP3P1/2KR3R w - - 4 22 | You are given a chess position in FEN: 2r3k1/5p2/p1b1pqp1/1p5p/P1pBQPnP/2P5/1PP3P1/2KR3R w - - 4 22.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-a... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>c6-e6-g6, f6>d4-f4-h4 | multi | {"puzzle_id": "9FxyT", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0040 | motifs_fork | Motifs | r4rk1/1Rq1bpp1/p1b2n2/2N1pPB1/4B3/7P/P1P3Q1/6RK b - - 0 25 | You are given a chess position in FEN: r4rk1/1Rq1bpp1/p1b2n2/2N1pPB1/4B3/7P/P1P3Q1/6RK b - - 0 25.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-att... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c6>b7-e4 | multi | {"puzzle_id": "cknfI", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0041 | motifs_fork | Motifs | 3r2k1/1bpRqpbp/p1p3p1/4p3/N3P1Q1/5N2/PPP2PPP/6K1 w - - 3 20 | You are given a chess position in FEN: 3r2k1/1bpRqpbp/p1p3p1/4p3/N3P1Q1/5N2/PPP2PPP/6K1 w - - 3 20.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-at... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d7>c7-d8-e7 | multi | {"puzzle_id": "DY0ty", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0016 | motifs_pin | Motifs | 5r1k/3r2np/p6P/2N1Q3/1pB5/1Pn5/PKPq4/7b b - - 2 35 | You are given a chess position in FEN: 5r1k/3r2np/p6P/2N1Q3/1pB5/1Pn5/PKPq4/7b b - - 2 35.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line forma... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | d2>c2>b2, e5>g7>h8 | multi | {"puzzle_id": "QXuyz", "n_pins": 2} | motifs.jsonl | motifs |
motifs_fork_0042 | motifs_fork | Motifs | 8/R4p2/4pk2/p2p3P/3P1KP1/r7/8/8 b - - 2 46 | You are given a chess position in FEN: 8/R4p2/4pk2/p2p3P/3P1KP1/r7/8/8 b - - 2 46.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piece2(-at... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | a7>a5-f7 | multi | {"puzzle_id": "UgpcJ", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0043 | motifs_fork | Motifs | r3r3/2p2k2/p4N2/3pn3/3Q1pb1/2PB4/q4P1P/4RK1R w - - 1 27 | You are given a chess position in FEN: r3r3/2p2k2/p4N2/3pn3/3Q1pb1/2PB4/q4P1P/4RK1R w - - 1 27.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attack... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d4>d5-e5-f4, f6>d5-e8-g4 | multi | {"puzzle_id": "tQn3Y", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0044 | motifs_fork | Motifs | r3k2r/1p2b3/1np1p1Q1/3pP2n/qP1P1P2/pNP4P/P4B2/1K1R3R b kq - 0 22 | You are given a chess position in FEN: r3k2r/1p2b3/1np1p1Q1/3pP2n/qP1P1P2/pNP4P/P4B2/1K1R3R b kq - 0 22.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piec... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | g6>e6-e8-h5, a4>b3-b4 | multi | {"puzzle_id": "Kvjns", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0045 | motifs_fork | Motifs | rnbq1r2/p2p1ppk/1p6/2pQ4/8/2P1PN2/P4PPP/R1B1K2R b KQ - 0 11 | You are given a chess position in FEN: rnbq1r2/p2p1ppk/1p6/2pQ4/8/2P1PN2/P4PPP/R1B1K2R b KQ - 0 11.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-at... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d5>a8-c5-d7-f7 | multi | {"puzzle_id": "3qOVe", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0017 | motifs_pin | Motifs | 3r2k1/pR4pp/8/2P1p1b1/4Q3/1N3PP1/PP3KPq/3rR3 b - - 2 30 | You are given a chess position in FEN: 3r2k1/pR4pp/8/2P1p1b1/4Q3/1N3PP1/PP3KPq/3rR3 b - - 2 30.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line ... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | h2>g2>f2 | multi | {"puzzle_id": "VE3Ny", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0046 | motifs_fork | Motifs | 3r1r2/pp2Q1kp/3p2p1/1qp1n1P1/4P3/2P5/PP4PP/2KR1R2 b - - 6 21 | You are given a chess position in FEN: 3r1r2/pp2Q1kp/3p2p1/1qp1n1P1/4P3/2P5/PP4PP/2KR1R2 b - - 6 21.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-a... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e7>b7-d6-d8-e5-f8-g7, b5>b2-f1 | multi | {"puzzle_id": "vVhUg", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0047 | motifs_fork | Motifs | 5rk1/pN3ppp/4p1b1/3P2b1/2q3P1/5Q2/P4P1P/3R1RK1 w - - 0 26 | You are given a chess position in FEN: 5rk1/pN3ppp/4p1b1/3P2b1/2q3P1/5Q2/P4P1P/3R1RK1 w - - 0 26.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-atta... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c4>a2-d5-f1-g4 | multi | {"puzzle_id": "uE7Qb", "n_forks": 1} | motifs.jsonl | motifs |
motifs_skewer_0000 | motifs_skewer | Motifs | 1k1r2nr/1pp2p2/p2p1q1b/3P3p/QP1NPpp1/2P2P2/P4R1P/R1B2K2 b - - 1 18 | You are given a chess position in FEN: 1k1r2nr/1pp2p2/p2p1q1b/3P3p/QP1NPpp1/2P2P2/P4R1P/R1B2K2 b - - 1 18.
CONTEXT_PLACEHOLDERIdentify all skewers in this position. A skewer occurs when a more valuable piece is attacked first and forced to move, exposing a less valuable piece behind it to be captured. For each skewer, ... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | f6>d4>c3 | multi | {"puzzle_id": "HiHmt", "n_skewers": 1} | motifs.jsonl | motifs |
motifs_fork_0048 | motifs_fork | Motifs | 3r2k1/ppp2ppp/2n5/8/8/3P3P/PqP2QPN/5RK1 b - - 1 19 | You are given a chess position in FEN: 3r2k1/ppp2ppp/2n5/8/8/3P3P/PqP2QPN/5RK1 b - - 1 19.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pi... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f2>a7-f7, b2>a2-c2 | multi | {"puzzle_id": "o8oHk", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0049 | motifs_fork | Motifs | 2k4r/p1q1n3/6bp/2P3p1/8/5QPP/P5B1/4R2K b - - 2 30 | You are given a chess position in FEN: 2k4r/p1q1n3/6bp/2P3p1/8/5QPP/P5B1/4R2K b - - 2 30.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_pie... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c7>c5-g3 | multi | {"puzzle_id": "ZgRsl", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0018 | motifs_pin | Motifs | 7k/1p5p/1p3R2/2qpn3/7Q/1P5P/6PK/r4B2 b - - 4 36 | You are given a chess position in FEN: 7k/1p5p/1p3R2/2qpn3/7Q/1P5P/6PK/r4B2 b - - 4 36.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line formatte... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | h4>h7>h8 | multi | {"puzzle_id": "PD9QA", "n_pins": 1} | motifs.jsonl | motifs |
motifs_battery_0013 | motifs_battery | Motifs | r2qkbnr/3p1ppp/b1n1p3/1Np5/p1B1P3/3P1N2/PPP2PPP/R1BQK2R w KQkq - 2 9 | You are given a chess position in FEN: r2qkbnr/3p1ppp/b1n1p3/1Np5/p1B1P3/3P1N2/PPP2PPP/R1BQK2R w KQkq - 2 9.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squar... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a8>d8 | multi | {"puzzle_id": "2lYmK", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_battery_0014 | motifs_battery | Motifs | 6r1/p1r5/4k2B/q2pP1P1/1b1P3n/1Pp3N1/P1Q5/5RK1 b - - 0 32 | You are given a chess position in FEN: 6r1/p1r5/4k2B/q2pP1P1/1b1P3n/1Pp3N1/P1Q5/5RK1 b - - 0 32.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the pi... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | b4>a5 | multi | {"puzzle_id": "VNf3f", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_battery_0015 | motifs_battery | Motifs | r2q1kn1/2pb1p2/p2p2p1/1p1P4/8/4RP2/PPPQ2P1/2K2BN1 b - - 2 17 | You are given a chess position in FEN: r2q1kn1/2pb1p2/p2p2p1/1p1P4/8/4RP2/PPPQ2P1/2K2BN1 b - - 2 17.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of th... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | a8>d8 | multi | {"puzzle_id": "LivXX", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_battery_0016 | motifs_battery | Motifs | r1b2rk1/ppp1q3/4pp2/3pn1NQ/7R/P1N5/1PP2PP1/2K2B2 b - - 1 19 | You are given a chess position in FEN: r1b2rk1/ppp1q3/4pp2/3pn1NQ/7R/P1N5/1PP2PP1/2K2B2 b - - 1 19.
CONTEXT_PLACEHOLDERIdentify every battery (2 or more aligned long-range pieces, e.g, RR/RQ/QQ on files or ranks, BQ/BB/QQ on diagonals, of the same color with no pieces between). Report each battery as the squares of the... | [
"b2>e5>h8, h1>h7",
"h1>h4, a1>a4>a8"
] | h4>h5 | multi | {"puzzle_id": "zRKYs", "n_batteries": 1} | motifs.jsonl | motifs |
motifs_pin_0019 | motifs_pin | Motifs | 3r1qk1/p1p3pp/1p1bn1p1/3QNb2/1P1P4/2P1B3/P4PP1/R3R1K1 w - - 1 22 | You are given a chess position in FEN: 3r1qk1/p1p3pp/1p1bn1p1/3QNb2/1P1P4/2P1B3/P4PP1/R3R1K1 w - - 1 22.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a sin... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | d5>e6>g8 | multi | {"puzzle_id": "OHUZt", "n_pins": 1} | motifs.jsonl | motifs |
motifs_pin_0020 | motifs_pin | Motifs | 2k1r3/1pqb4/6Q1/2P2R2/pP6/P1K5/4B1P1/8 b - - 0 45 | You are given a chess position in FEN: 2k1r3/1pqb4/6Q1/2P2R2/pP6/P1K5/4B1P1/8 b - - 0 45.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single line format... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | c7>c5>c3 | multi | {"puzzle_id": "mJFK3", "n_pins": 1} | motifs.jsonl | motifs |
motifs_fork_0050 | motifs_fork | Motifs | r7/r7/2pR2b1/2P1kp1p/1P2p3/P5P1/1K3PP1/R7 b - - 3 36 | You are given a chess position in FEN: r7/r7/2pR2b1/2P1kp1p/1P2p3/P5P1/1K3PP1/R7 b - - 3 36.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d6>c6-g6 | multi | {"puzzle_id": "jOxpE", "n_forks": 1} | motifs.jsonl | motifs |
motifs_pin_0021 | motifs_pin | Motifs | r1b5/pppkb1Q1/6N1/4p1q1/2Bn4/3P4/PPP2PP1/RN3RK1 w - - 3 16 | You are given a chess position in FEN: r1b5/pppkb1Q1/6N1/4p1q1/2Bn4/3P4/PPP2PP1/RN3RK1 w - - 3 16.
CONTEXT_PLACEHOLDER For each pin, provide the key squares in the format: pinning_piece>pinned_piece>target_piece (e.g., FORMAT_EXAMPLE_PLACEHOLDER).
Analyze step by step and explain your reasoning.
Finish with a single li... | [
"d1>d7>d8, a2>e2>h2",
"a5>e5>h5, h1>h4>h7"
] | g5>g2>g1, g7>e7>d7 | multi | {"puzzle_id": "J9Axf", "n_pins": 2} | motifs.jsonl | motifs |
motifs_fork_0051 | motifs_fork | Motifs | 2r3k1/6p1/4q1p1/pQ1p4/3P4/2n1P1B1/P4PPP/2R3K1 w - - 0 26 | You are given a chess position in FEN: 2r3k1/6p1/4q1p1/pQ1p4/3P4/2n1P1B1/P4PPP/2R3K1 w - - 0 26.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attac... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | b5>a5-d5, c3>a2-b5 | multi | {"puzzle_id": "xbrRQ", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0052 | motifs_fork | Motifs | 8/2p5/P4p1p/2R3k1/1K6/6P1/8/r7 b - - 6 44 | You are given a chess position in FEN: 8/2p5/P4p1p/2R3k1/1K6/6P1/8/r7 b - - 6 44.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_piece2(-att... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c5>c7-g5 | multi | {"puzzle_id": "tbyPU", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0053 | motifs_fork | Motifs | 8/p2r2k1/3r3p/Q3p3/4PpP1/P1P2Pbp/1PB4R/5K2 w - - 5 40 | You are given a chess position in FEN: 8/p2r2k1/3r3p/Q3p3/4PpP1/P1P2Pbp/1PB4R/5K2 w - - 5 40.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | a5>a7-e5 | multi | {"puzzle_id": "a5Uza", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0054 | motifs_fork | Motifs | 4r1k1/pp3rp1/2p1Rn1p/3p1P2/4b3/1B4N1/PPP3PP/4R1K1 b - - 2 24 | You are given a chess position in FEN: 4r1k1/pp3rp1/2p1Rn1p/3p1P2/4b3/1B4N1/PPP3PP/4R1K1 b - - 2 24.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-a... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e6>c6-e4-e8-f6, e4>c2-f5-g2 | multi | {"puzzle_id": "7pTs0", "n_forks": 2} | motifs.jsonl | motifs |
motifs_fork_0055 | motifs_fork | Motifs | 3k3r/4ppbp/R1B2p2/1p3P2/8/5P2/2r3PP/3R3K b - - 3 24 | You are given a chess position in FEN: 3k3r/4ppbp/R1B2p2/1p3P2/8/5P2/2r3PP/3R3K b - - 3 24.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_p... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | c2>c6-g2 | multi | {"puzzle_id": "ftTZc", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0056 | motifs_fork | Motifs | 4r1k1/6pB/p1rbpq2/1p1p4/3P4/P6P/1P3PP1/R2QR1K1 b - - 0 23 | You are given a chess position in FEN: 4r1k1/6pB/p1rbpq2/1p1p4/3P4/P6P/1P3PP1/R2QR1K1 b - - 0 23.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-atta... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | f6>d4-f2 | multi | {"puzzle_id": "I4WsB", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0057 | motifs_fork | Motifs | 6k1/6pp/2p2p2/2P5/3N4/P2n2PP/2R2P2/1r4K1 w - - 3 32 | You are given a chess position in FEN: 6k1/6pp/2p2p2/2P5/3N4/P2n2PP/2R2P2/1r4K1 w - - 3 32.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attacked_p... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d3>c5-f2 | multi | {"puzzle_id": "GBlgp", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0058 | motifs_fork | Motifs | r1bq1rk1/p4ppp/1p2pb2/8/4Q3/3B1N2/PPP2PPP/R4RK1 b - - 1 14 | You are given a chess position in FEN: r1bq1rk1/p4ppp/1p2pb2/8/4Q3/3B1N2/PPP2PPP/R4RK1 b - - 1 14.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-att... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | e4>a8-e6-h7 | multi | {"puzzle_id": "f4ZOT", "n_forks": 1} | motifs.jsonl | motifs |
motifs_fork_0059 | motifs_fork | Motifs | b4rk1/3Q1pp1/1p2p2p/4b3/2P5/5qPP/P3RP2/1R3BK1 w - - 1 27 | You are given a chess position in FEN: b4rk1/3Q1pp1/1p2p2p/4b3/2P5/5qPP/P3RP2/1R3BK1 w - - 1 27.
CONTEXT_PLACEHOLDERIdentify all forks in this position. A fork occurs when one piece attacks two or more enemy pieces simultaneously. For each fork, provide the key squares in the format: forking_piece>attacked_piece1-attac... | [
"e5>e7-f6, f3>e1-g1",
"e4>b1-g2, c4>b2-d6"
] | d7>e6-f7, f3>e2-f2-g3 | multi | {"puzzle_id": "Ca3nT", "n_forks": 2} | motifs.jsonl | motifs |
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