fen stringlengths 28 76 | move stringlengths 2 7 | question stringlengths 20 48 | answer stringlengths 2 34 | task_type stringclasses 7
values |
|---|---|---|---|---|
r3kb1r/1p3p1p/p3pn2/5p2/8/2N5/PPP1NPPP/3R1RK1 b kq - 1 15 | Bc5 | Identify any White knight outposts on the board. | None | outposts |
1rbq1rnk/4b1np/3P2p1/2p1pp2/1pP1P3/1P2B2P/1NBQ1PP1/R2R2K1 b - - 0 25 | Bf6 | Does White have any passed pawns? | Yes: d6 | structure |
1b6/1P1b4/1R6/5k2/P7/5P1p/4r1P1/6RK w - - 6 49 | a5 | What piece is on b2? | Empty | occupancy |
r3r1k1/p4p1p/np2p1p1/3pPn2/3P2Q1/2N2N2/PPP2PPP/2KR3R w - - 0 20 | g7g6 | What is the material balance in this position? | White is up 10 pawns of material | material |
5n1r/pk5p/2n2NpP/7b/1ppP4/2P4B/1P4P1/1K2R3 w - - 1 36 | g4 | Are there any open files in this position? | Yes: e, f | files |
r1b2rk1/pp3ppp/2n1p3/Q3Pn2/2BP4/P3BN2/5PPP/R3K2R b KQ - 0 14 | Nxa5 | Is the move from e6 to h3 legal? | No | legality |
r2q1rk1/pp2bp1p/2n2np1/3p1BB1/3N4/2P5/PP1Q1PPP/RN3RK1 b - - 0 15 | c2f5 | What is the material balance in this position? | White is up 3 pawns of material | material |
r1b1k1nr/1p1p1pbp/p2p2p1/PN6/1q1pP3/8/2PB1PPP/R2QKB1R b KQkq - 1 12 | Qc5 | What piece is on h7? | Black Pawn | occupancy |
2r5/5kp1/7n/3pP2p/1p6/1P1N1P2/6K1/2N5 b - - 2 35 | h1g2 | What is the material balance in this position? | Black is up 3 pawns of material | material |
r3k2r/p1pb1p2/2p4p/2b1p1p1/4P3/1BN5/PPP2PPP/3R1R1K b kq - 1 17 | Bd4 | Is the b-file open, semi-open, or closed? | semi-open for Black | files |
r4b1r/1pk2Q2/p1b2p1p/8/2p5/8/PPP2PPP/3R2K1 b - - 2 23 | Kb6 | Are there any open files in this position? | Yes: d, e | files |
5rk1/3R1p1p/1p4p1/p1b5/2B3P1/1P6/P4PKP/8 b - - 0 29 | g5 | What piece is on b3? | White Pawn | occupancy |
r7/pp3R2/7k/n2q4/8/4r3/P5PP/Q5K1 w - - 0 29 | Qf6+ | Identify any Black knight outposts on the board. | None | outposts |
rnb2rk1/pp2bppp/2p1qn2/8/5B2/2NP4/PPP2QPP/2K1RBNR b - - 7 10 | Bc5 | Is the move from e6 to d6 legal? | Yes | legality |
2kr1r2/2p4p/ppp1p1p1/5q2/3b3Q/4B3/PPP2PPP/RN2R1K1 b - - 4 19 | Bxb2 | Does Black have any isolated pawns? | Yes: e6 | structure |
6r1/p1k4p/Ppp1p3/4P3/2PP1p1q/4nQ1P/3N1Rr1/2R3K1 w - - 0 32 | g6g2 | Is the White king in check? | Yes | check |
rn2kbnr/ppN3pp/2p2p2/4p3/8/5N2/PPPP1PRP/R1BQ3K b kq - 1 14 | b5c7 | Is the Black king in check? | Yes | check |
8/2R4p/kp2p3/p7/2N5/1P4PK/5P1P/r7 w - - 0 33 | f7e6 | What is the material balance in this position? | White is up 3 pawns of material | material |
8/1R4pk/7p/3pK2P/3P2P1/5P2/1R6/3r2r1 b - - 10 48 | Rd3 | Identify any White knight outposts on the board. | None | outposts |
r1bqk2r/ppp2pp1/2n2n1p/2b1p3/2B1P2B/3P1N2/PPP3PP/RN1QK2R b KQkq - 1 8 | Bg4 | Does White have any isolated pawns? | No | structure |
r1b1kb1r/1p1n1ppp/p1q1pn2/2p5/2PP4/2N1BN2/PP2BPPP/R2QK2R b KQkq - 4 9 | cxd4 | Is the e-file open, semi-open, or closed? | semi-open for White | files |
2k3r1/1b2q1rp/2nbp3/p2pN1N1/1ppPpP2/2P1P2Q/PP3RPP/1RB3K1 w - - 0 21 | f5e4 | What is the material balance in this position? | White is up 1 pawn of material | material |
5r1k/1p4qp/p1n1Pb2/8/3pN3/P6Q/1PPB4/2K4R w - - 1 33 | Bh6 | Does Black have any isolated pawns? | Yes: d4, h7 | structure |
r1bq1rk1/ppp2pb1/3p2np/6NQ/3PP3/1BP5/PP5p/R1B2RK1 w - - 0 15 | Kh1 | What is the material balance in this position? | Black is up 2 pawns of material | material |
r1b1k2r/1pqp1ppp/p3pn2/2b5/4P3/2NQ4/PPP1BPPP/R1B2R1K b kq - 2 10 | h5 | Identify any White knight outposts on the board. | None | outposts |
8/6kp/pQ4p1/5nP1/1P2r2P/8/8/6K1 w - - 9 48 | Qb7+ | What is the material balance in this position? | White is up 1 pawn of material | material |
8/1P6/8/8/8/7k/7p/7K w - - 1 76 | b8=Q | Does Black have any passed pawns? | Yes: h2 | structure |
rn1q1rk1/pp3ppp/2pb1n2/3p2B1/3P2b1/2NB1N2/PPP2PPP/R2Q1RK1 w - - 0 9 | h3 | Is the move from g5 to g5 legal? | No | legality |
5rk1/7p/4P1p1/2pQ4/5P2/1P2B3/pq4PP/2R4K w - - 0 33 | e7+ | What piece is on b3? | White Pawn | occupancy |
r1bqkb1r/pp1p2pp/2n1p1n1/1Np1Pp2/7P/5N2/PPPP1PP1/R1BQKB1R w KQkq - 1 9 | c3 | Identify any White knight outposts on the board. | None | outposts |
r6k/2p3p1/2N4p/4p2n/PP6/2P1r3/2R4P/R6K b - - 1 28 | e4 | Is the move from a8 to d1 legal? | No | legality |
3k4/5R2/4P3/p1p1r2p/P1P1Bpp1/5P1b/4K3/8 b - - 2 53 | g3 | Identify any Black knight outposts on the board. | f3, h3 | outposts |
2r2r2/4bppk/1q1p1n1p/p3pP2/1p1pP1N1/1P1P2NP/1P1Q2P1/1R3RK1 b - - 1 22 | h2g4 | Identify any Black knight outposts on the board. | b4 | outposts |
7r/3rk3/p1bp1pp1/Pn2p3/1Pp1PP2/2P1KNP1/3R2B1/3R4 w - - 7 38 | Rc2 | Identify any White knight outposts on the board. | a5 | outposts |
R7/5ppk/7p/P7/3p4/r5PP/4PPK1/8 w - - 0 33 | h4 | Identify any White knight outposts on the board. | b6 | outposts |
rnbqk2r/ppp1ppbp/6p1/3pP3/3PN1P1/8/PPP1BP1P/R1BQK1NR b KQkq - 0 7 | dxe4 | Does Black have any isolated pawns? | No | structure |
7R/8/8/1r6/p1k4P/4PKP1/8/8 b - - 2 67 | a3 | Does White have any passed pawns? | Yes: e3, g3, h4 | structure |
r1bqk2r/pp2bppp/2n1p3/8/2p5/6P1/PPQ1PPBP/RNBR2K1 b kq - 3 12 | Nd4 | Is the move from d8 to a4 legal? | No | legality |
rnbqk1nr/pppp1ppp/8/4p3/1bP5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq - 0 3 | Nf6 | Is the White king in check? | No | check |
2r3qr/ppp1k3/7p/2bpn3/6pN/4P1P1/PPPNQPP1/R3K2R b KQ - 1 16 | d1e2 | What is the material balance in this position? | White is up 1 pawn of material | material |
8/8/5pp1/7p/3kp2P/6P1/4KP2/8 b - - 1 56 | g5 | Does Black have any passed pawns? | No | structure |
5rk1/5pp1/3Rpnp1/3p2N1/3P2P1/2P1R2P/1r1N1PK1/8 b - - 0 28 | Rxd2 | Is the e-file open, semi-open, or closed? | semi-open for White | files |
r1bqkb1r/pp3ppp/2n1p3/8/2Pp4/3Q2P1/PP2PPBP/RNB2RK1 w kq - 0 10 | e3 | Is the move from d3 to d4 legal? | Yes | legality |
r5k1/5ppp/pp1r4/2npq3/1Q1R2B1/P3P3/1P3PPP/R5K1 b - - 1 22 | h5 | Is the c-file open, semi-open, or closed? | open | files |
rnbqkb1r/ppp1p1pp/5n2/3p1pB1/3P4/2N5/PPP1PPPP/R2QKBNR w KQkq - 0 4 | Bxf6 | Is the c-file open, semi-open, or closed? | closed | files |
1n1Q2k1/1pq2ppp/p1p1p1b1/4P3/2B5/2N5/PP4PP/3R3K b - - 0 21 | d4d8 | Is the Black king in check? | Yes | check |
4rrk1/pp3ppp/5n2/3p4/2B2Bq1/1NP5/PP2Nb2/R2QRK2 w - - 0 21 | Kxf2 | What is the material balance in this position? | White is up 3 pawns of material | material |
8/1k1q1pb1/ppR4p/3p2p1/PN1P4/4P3/K4PP1/2R5 b - - 2 41 | h5 | Does Black have any isolated pawns? | Yes: d5 | structure |
3b4/1p4k1/r2N4/p3Pp2/2p5/8/Pq3PP1/1R4K1 w - - 0 30 | Rxb2 | What is the material balance in this position? | Black is up 9 pawns of material | material |
r1b1k2r/1pp1qpp1/2np3p/p3P3/2P3P1/PP2Qn1P/4PP2/R1B1KBR1 w Qkq - 0 14 | exf3 | Is the move from e2 to f3 legal? | Yes | legality |
4r3/7p/1p4p1/p1k2p2/2Pp1P2/PP1R1KPP/8/8 w - - 0 37 | a4 | Does Black have any isolated pawns? | Yes: d4 | structure |
rn3rk1/2q2ppp/2P5/pP2p3/3p2bP/P1b2N2/3B1PP1/1R1QKB1R b K - 0 17 | e4 | Does Black have any isolated pawns? | Yes: a5 | structure |
8/5pk1/6p1/p6p/8/1K6/8/1q6 w - - 0 52 | b2b1q | Is the Black king in check? | No | check |
rnbqk1nr/ppp1b1pp/4p3/5pN1/3P4/7N/PPP2PPP/R1BQKB1R b KQkq - 3 6 | Nc6 | What piece is on b7? | Black Pawn | occupancy |
r1b4r/1p1nkpp1/p3p3/3pP2p/3N1P1P/2R5/PPP3P1/R3KB2 b Q - 1 16 | Ra7 | What is the material balance in this position? | Equal | material |
3k4/1R1P4/3n2p1/p2K1p2/Pp1N1P2/1P6/8/3r4 w - - 1 53 | Ra7 | What piece is on g6? | Black Pawn | occupancy |
r3r1k1/pppq1pp1/1bnp1nbp/8/2P2pP1/2NPP1NP/PP4BK/R1BQ1R2 w - - 0 14 | exf4 | Identify any Black knight outposts on the board. | None | outposts |
r3k2r/pp1qbp1p/1npnb1p1/8/3PPBP1/1PNB3P/P1QN2K1/2R4R b kq - 0 19 | O-O | Is the move from e8 to f1 legal? | No | legality |
rn2k1nr/pbpp1pbp/1p2p1p1/8/P2P3P/1P2qP2/1BP3P1/RN1QKBNR w KQkq - 0 8 | g5e3 | Is the White king in check? | Yes | check |
8/3k4/5p2/2KP1R1P/8/8/8/2r5 w - - 10 67 | Kd4 | Is the move from c5 to b5 legal? | Yes | legality |
4b2k/6rp/p3pQ2/3pPp2/2pP4/4P1R1/n1q3PP/5BK1 b - - 5 30 | Bg6 | Is the move from c2 to d1 legal? | Yes | legality |
r5k1/3n2Pp/p7/1pnqp3/6QP/P2B1r2/1PP3P1/5R1K w - - 1 26 | Bxh7+ | Does Black have any passed pawns? | Yes: e5 | structure |
8/3n2kp/2q2p1N/5P2/1p1Pp3/1rp1P1QP/8/5RK1 b - - 1 44 | Kxh6 | Does Black have any isolated pawns? | Yes: h7 | structure |
5k2/p2b1ppp/8/8/3N4/1P5P/5PP1/6K1 w - - 1 29 | Kf1 | What piece is on d8? | Empty | occupancy |
8/4B3/8/p1K5/1pn5/1k6/8/8 w - - 0 1 | Bf8 | What piece is on c4? | Black Knight | occupancy |
3rr1k1/p4p1p/6p1/2p5/3P3q/1P3P2/PBQN2K1/2R2R2 b - - 0 23 | Re2+ | What piece is on g1? | Empty | occupancy |
r3kb1r/pp1n1ppp/q3p3/3pP3/3P1B2/P2n1N2/1P2QPPP/RN3K1R b kq - 4 15 | Nxf4 | What piece is on a8? | Black Rook | occupancy |
5r1k/pQ3ppp/n1p5/4q3/4p3/P3P2P/1P2RPP1/R1Br2K1 w - - 1 22 | d3d1 | Is the White king in check? | Yes | check |
rnbqkb1r/ppp3pp/5p2/3ppn2/3P4/5P2/PPP1PBPP/RN1QKBNR w KQkq - 0 6 | e3 | What piece is on f8? | Black Bishop | occupancy |
q3k2r/1p2bp1p/4Rp2/1ppp3Q/8/1P6/1PP2PPP/2B3K1 w k - 0 19 | Re1 | Identify any White knight outposts on the board. | None | outposts |
2r3k1/3R2R1/6n1/p7/3P4/2N5/PP3PPP/6K1 b - - 2 31 | h7g7 | Is the White king in check? | No | check |
8/2P1rkb1/3Q2p1/7n/1p5p/4pP2/1P3pPP/5K2 w - - 4 39 | Qd5+ | Does Black have any passed pawns? | Yes: e3, f2 | structure |
r4rk1/pp1q2b1/2np1pp1/2P1p2p/7P/N1N1n1P1/PP1QPPK1/R4R2 w - - 0 18 | fxe3 | Does Black have any passed pawns? | No | structure |
r1br1b1k/5P2/p3p1Bp/q3p1P1/4P3/2N1B2Q/1Pn5/1K3R1R w - - 0 28 | Kxc2 | What piece is on h1? | White Rook | occupancy |
r4rk1/1pqnbppp/p2pbn2/4p3/P3PP2/1NN1B3/1PP1B1PP/R2Q1RK1 w - - 1 12 | a5 | Is the d-file open, semi-open, or closed? | semi-open for White | files |
3r1r1k/p1p1q3/1p1p1n1p/P3p1p1/3PPpPP/2P2P2/2P2Q2/R3RBK1 b - - 0 27 | Qe6 | Is the move from b6 to b5 legal? | Yes | legality |
1k6/7R/2p5/8/7P/4KP2/r4P2/8 b - - 1 30 | Kc8 | What piece is on g2? | Empty | occupancy |
2r5/pp1bk1pp/4pp2/2r1n3/8/2P1PN2/PP1RB1PP/2KR4 b - - 12 20 | Ba4 | Is the move from e6 to e7 legal? | No | legality |
r3k2r/p1q1npp1/n3p2p/p1ppP2P/3P4/2P2N2/2P1QPP1/R1B1K2R b KQkq - 1 13 | Qb6 | Identify any White knight outposts on the board. | None | outposts |
8/8/8/5K2/8/8/6P1/k7 w - - 0 58 | g4 | Is the move from g2 to h2 legal? | No | legality |
rn3rk1/pp3ppp/2pb1n2/q2pN1Bb/3P1P2/2NBP3/PPQ3PP/R3K2R b KQ - 2 11 | h6 | Does White have any isolated pawns? | No | structure |
r2qnrk1/3nbppp/p2pb3/4p1P1/1p2P3/1N2BP2/PPPQN2P/2KR1B1R w - - 2 5 | f4 | Are there any open files in this position? | No | files |
r5k1/p1p1rpp1/7p/3p4/3p2N1/4P3/P4PPP/2R1K2R b K - 0 20 | h5 | Identify any Black knight outposts on the board. | c3, c4 | outposts |
2b5/8/P2k3p/3p2pP/3K2P1/8/4B3/8 w - - 0 1 | Bb5 | Does Black have any passed pawns? | Yes: d5 | structure |
7k/6b1/p2p4/P2Pr3/1P6/3B4/5q2/1K3R2 w - - 0 41 | Rxf2 | Is the f-file open, semi-open, or closed? | open | files |
r2r2k1/p2b1p2/3pPn1p/q3nN2/1p2P3/3B4/PPPQN2P/1K6 w - - 2 24 | Qxh6 | Does White have any passed pawns? | No | structure |
r1bqkbnr/pp1p1ppp/8/3Pn3/8/8/PP2QPPP/RNB1KBNR b KQkq - 2 7 | d6 | What piece is on e4? | Empty | occupancy |
rn2kbr1/pbpp1p1p/5nq1/1B6/3PPp1R/2N2N2/PPP1Q1P1/R1B3K1 b q - 2 12 | Nxe4 | Is the b-file open, semi-open, or closed? | semi-open for Black | files |
r1bq1rk1/1pp2pb1/3p2p1/p1nPp2n/2P1P2p/2N1BP2/PP1QB1PP/R4RKN b - - 3 13 | f5 | Does White have any isolated pawns? | No | structure |
r5k1/5qb1/3p2pp/1Qpn1p2/5P2/5N2/1P4PP/2B1R1K1 w - - 2 24 | Bd2 | What piece is on b2? | White Pawn | occupancy |
r4rk1/pb3p2/1pnR3p/2p1p1p1/2P1Pn2/2P1NP2/P3BBPP/4R1K1 b - - 2 20 | Nxe2+ | Does White have any isolated pawns? | Yes: a2, c3, c4 | structure |
rqr3k1/1b1nbppp/pp1ppn2/8/P1PNP3/2N1BP2/1P1QB1PP/R2R3K b - - 4 14 | Bd8 | Is the move from g8 to h2 legal? | No | legality |
r1bq1rk1/p3pp1p/2p3p1/3n4/2Nb4/6P1/P2BPPBP/R2Q1RK1 w - - 0 14 | Rc1 | What piece is on d7? | Empty | occupancy |
r7/8/4k3/8/6PK/5R2/8/8 w - - 8 80 | g5 | What piece is on g4? | White Pawn | occupancy |
2r1r1k1/1p1qbpp1/p2p3p/4p2n/2BPP3/3P1P1P/PP2QP1K/2RNR3 b - - 0 22 | Nf4 | What is the material balance in this position? | White is up 1 pawn of material | material |
r1q2r2/1p4p1/p1bpp1k1/P1n3P1/1n1B4/2N3Q1/1PP3PP/R4R1K w - - 1 24 | Rf6+ | Is the move from b2 to b1 legal? | No | legality |
4Qn1r/p7/3Pp2p/2p5/7k/6RP/P4PPK/b1q5 b - - 2 30 | Be5 | Does White have any isolated pawns? | Yes: a2, d6 | structure |
3r4/8/B7/5k2/6p1/6P1/8/5K2 w - - 20 13 | Kf2 | Are there any open files in this position? | Yes: a, b, c, d, e, f, h | files |
rn1qkr2/ppp1n2Q/5pp1/2b1pb2/4p3/NBP5/PB1P1PPP/R3K1NR b KQq - 2 11 | Bxf2+ | Does White have any isolated pawns? | Yes: a2 | structure |
2br1b2/5kp1/4q1n1/1p5Q/4Bp2/1PB4P/2P3P1/4R2K w - - 0 32 | Qxb5 | Identify any White knight outposts on the board. | None | outposts |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.