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You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 Legal moves: g1h3, g1f3, b1c3, b1a3, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
g1h3
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/8/7N/PPPPPPPP/RNBQKB1R b KQkq - 1 1 Legal moves: g8h6, g8f6, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, d7d6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, e7e5, d7d5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d7d6
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/8/7N/PPPPPPPP/RNBQKB1R w KQkq - 0 2 Legal moves: h3g5, h3f4, h3g1, h1g1, b1c3, b1a3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, a2a3, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
b1c3
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/8/2N4N/PPPPPPPP/R1BQKB1R b KQkq - 1 2 Legal moves: g8h6, g8f6, e8d7, d8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, c7c6, b7b6, a7a6, d6d5, h7h5, g7g5, f7f5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
c7c6
You are a chess engine. FEN: rnbqkbnr/pp2pppp/2pp4/8/8/2N4N/PPPPPPPP/R1BQKB1R w KQkq - 0 3 Legal moves: h3g5, h3f4, h3g1, c3d5, c3b5, c3e4, c3a4, c3b1, h1g1, a1b1, g2g3, f2f3, e2e3, d2d3, b2b3, a2a3, g2g4, f2f4, e2e4, d2d4, b2b4, a2a4 Return the single best move from the list above.
h3g5
You are a chess engine. FEN: rnbqkbnr/pp2pppp/2pp4/6N1/8/2N5/PPPPPPPP/R1BQKB1R b KQkq - 1 3 Legal moves: g8h6, g8f6, e8d7, d8d7, d8c7, d8b6, d8a5, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8a6, h7h6, g7g6, f7f6, e7e6, b7b6, a7a6, d6d5, c6c5, h7h5, f7f5, e7e5, b7b5, a7a5 Return the single best move from the list above.
e7e5
You are a chess engine. FEN: rnbqkbnr/pp3ppp/2pp4/4p1N1/8/2N5/PPPPPPPP/R1BQKB1R w KQkq - 0 4 Legal moves: g5h7, g5f7, g5e6, g5e4, g5h3, g5f3, c3d5, c3b5, c3e4, c3a4, c3b1, h1g1, a1b1, h2h3, g2g3, f2f3, e2e3, d2d3, b2b3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, b2b4, a2a4 Return the single best move from the list above.
a2a3
You are a chess engine. FEN: rnbqkbnr/pp3ppp/2pp4/4p1N1/8/P1N5/1PPPPPPP/R1BQKB1R b KQkq - 0 4 Legal moves: g8e7, g8h6, g8f6, f8e7, e8e7, e8d7, d8e7, d8d7, d8c7, d8f6, d8b6, d8g5, d8a5, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8a6, h7h6, g7g6, f7f6, b7b6, a7a6, d6d5, c6c5, e5e4, h7h5, f7f5, b7b5, a7a5 Return the single best move from the list above.
d8g5
You are a chess engine. FEN: rnb1kbnr/pp3ppp/2pp4/4p1q1/8/P1N5/1PPPPPPP/R1BQKB1R w KQkq - 0 5 Legal moves: c3d5, c3b5, c3e4, c3a4, c3a2, c3b1, h1g1, a1a2, a1b1, a3a4, h2h3, g2g3, f2f3, e2e3, d2d3, b2b3, h2h4, g2g4, f2f4, e2e4, d2d4, b2b4 Return the single best move from the list above.
c3b5
You are a chess engine. FEN: rnb1kbnr/pp3ppp/2pp4/1N2p1q1/8/P7/1PPPPPPP/R1BQKB1R b KQkq - 1 5 Legal moves: g8e7, g8h6, g8f6, f8e7, e8d8, e8e7, e8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8a6, g5d8, g5e7, g5h6, g5g6, g5f6, g5h5, g5f5, g5h4, g5g4, g5f4, g5g3, g5e3, g5g2, g5d2, c6b5, h7h6, g7g6, f7f6, b7b6, a7a6, d6d5, c6c5, e5e4, h7h5, f7f5, a7a5 Return the single best move from the list above.
c6b5
You are a chess engine. FEN: rnb1kbnr/pp3ppp/3p4/1p2p1q1/8/P7/1PPPPPPP/R1BQKB1R w KQkq - 0 6 Legal moves: h1g1, a1a2, a1b1, a3a4, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4 Return the single best move from the list above.
h2h3
You are a chess engine. FEN: rnb1kbnr/pp3ppp/3p4/1p2p1q1/8/P6P/1PPPPPP1/R1BQKB1R b KQkq - 0 6 Legal moves: g8e7, g8h6, g8f6, f8e7, e8d8, e8e7, e8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, g5d8, g5e7, g5h6, g5g6, g5f6, g5h5, g5f5, g5h4, g5g4, g5f4, g5g3, g5e3, g5g2, g5d2, h7h6, g7g6, f7f6, b7b6, a7a6, d6d5, e5e4, b5b4, h7h5, f7f5, a7a5 Return the single best move from the list above.
g8f6
You are a chess engine. FEN: rnb1kb1r/pp3ppp/3p1n2/1p2p1q1/8/P6P/1PPPPPP1/R1BQKB1R w KQkq - 1 7 Legal moves: h1h2, h1g1, a1a2, a1b1, h3h4, a3a4, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4 Return the single best move from the list above.
h1g1
You are a chess engine. FEN: rnb1kb1r/pp3ppp/3p1n2/1p2p1q1/8/P6P/1PPPPPP1/R1BQKBR1 b Qkq - 2 7 Legal moves: h8g8, f8e7, e8d8, e8e7, e8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, g5h6, g5g6, g5h5, g5f5, g5h4, g5g4, g5f4, g5g3, g5e3, g5g2, g5d2, h7h6, g7g6, b7b6, a7a6, d6d5, e5e4, b5b4, h7h5, a7a5 Return the single best move from the list above.
f8e7
You are a chess engine. FEN: rnb1k2r/pp2bppp/3p1n2/1p2p1q1/8/P6P/1PPPPPP1/R1BQKBR1 w Qkq - 3 8 Legal moves: g1h1, a1a2, a1b1, h3h4, a3a4, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4 Return the single best move from the list above.
f2f4
You are a chess engine. FEN: rnb1k2r/pp2bppp/3p1n2/1p2p1q1/5P2/P6P/1PPPP1P1/R1BQKBR1 b Qkq - 0 8 Legal moves: h8g8, h8f8, e8f8, e8d8, e8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, e7f8, e7d8, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, g5h6, g5g6, g5h5, g5f5, g5h4, g5g4, g5f4, g5g3, g5g2, e8g8, e5f4, h7h6, g7g6, b7b6, a7a6, d6d5, e5e4, b5b4, h7h5, a7a5 Return the single best move from the list above.
g5f4
You are a chess engine. FEN: rnb1k2r/pp2bppp/3p1n2/1p2p3/5q2/P6P/1PPPP1P1/R1BQKBR1 w Qkq - 0 9 Legal moves: g1h1, a1a2, a1b1, h3h4, a3a4, g2g3, e2e3, d2d3, c2c3, b2b3, g2g4, e2e4, d2d4, c2c4, b2b4 Return the single best move from the list above.
a1a2
You are a chess engine. FEN: rnb1k2r/pp2bppp/3p1n2/1p2p3/5q2/P6P/RPPPP1P1/2BQKBR1 b kq - 1 9 Legal moves: h8g8, h8f8, e8f8, e8d8, e8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, e7f8, e7d8, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, f4h6, f4g5, f4f5, f4h4, f4g4, f4e4, f4d4, f4c4, f4b4, f4a4, f4g3, f4f3, f4e3, f4h2, f4f2, f4d2, f4f1, e8g8, h7h6, g7g6, b7b6, a7a6, d6d5, e5e4, b5b4, h7h5, g7g5, a7a5 Return the single best move from the list above.
f4g3
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 Legal moves: g1h3, g1f3, b1c3, b1a3, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
e2e4
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq - 0 1 Legal moves: g8h6, g8f6, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, d7d6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, e7e5, d7d5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d7d6
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, d1h5, d1g4, d1f3, d1e2, b1c3, b1a3, e4e5, h2h3, g2g3, f2f3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
f2f3
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/4P3/5P2/PPPP2PP/RNBQKBNR b KQkq - 0 2 Legal moves: g8h6, g8f6, e8d7, d8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, c7c6, b7b6, a7a6, d6d5, h7h5, g7g5, f7f5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
g8f6
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/3p1n2/8/4P3/5P2/PPPP2PP/RNBQKBNR w KQkq - 1 3 Legal moves: g1h3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, d1e2, b1c3, b1a3, e4e5, f3f4, h2h3, g2g3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
e4e5
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/3p1n2/4P3/8/5P2/PPPP2PP/RNBQKBNR b KQkq - 0 3 Legal moves: h8g8, e8d7, d8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, d6e5, h7h6, g7g6, e7e6, c7c6, b7b6, a7a6, d6d5, h7h5, g7g5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d6e5
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/4p3/8/5P2/PPPP2PP/RNBQKBNR w KQkq - 0 4 Legal moves: g1h3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, d1e2, b1c3, b1a3, f3f4, h2h3, g2g3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
b2b4
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/4p3/1P6/5P2/P1PP2PP/RNBQKBNR b KQkq - 0 4 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, h7h6, g7g6, e7e6, c7c6, b7b6, a7a6, e5e4, h7h5, g7g5, c7c5, b7b5, a7a5 Return the single best move from the list above.
e5e4
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P2p3/5P2/P1PP2PP/RNBQKBNR w KQkq - 0 5 Legal moves: g1h3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, d1e2, c1a3, c1b2, b1c3, b1a3, f3e4, b4b5, f3f4, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
b1c3
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P2p3/2N2P2/P1PP2PP/R1BQKBNR b KQkq - 1 5 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, e4f3, h7h6, g7g6, e7e6, c7c6, b7b6, a7a6, e4e3, h7h5, g7g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
e4f3
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P6/2N2p2/P1PP2PP/R1BQKBNR w KQkq - 0 6 Legal moves: c3d5, c3b5, c3e4, c3a4, c3e2, c3b1, g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, d1f3, d1e2, c1a3, c1b2, a1b1, g2f3, b4b5, h2h3, g2g3, d2d3, a2a3, h2h4, g2g4, d2d4, a2a4 Return the single best move from the list above.
c3e4
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P2N3/5p2/P1PP2PP/R1BQKBNR b KQkq - 1 6 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, f3g2, h7h6, g7g6, e7e6, c7c6, b7b6, a7a6, f3f2, h7h5, g7g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
f6e4
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/8/8/1P2n3/5p2/P1PP2PP/R1BQKBNR w KQkq - 0 7 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, d1f3, d1e2, c1a3, c1b2, a1b1, g2f3, b4b5, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
d1f3
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/8/8/1P2n3/5Q2/P1PP2PP/R1B1KBNR b KQkq - 0 7 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, e4f6, e4d6, e4g5, e4c5, e4g3, e4c3, e4f2, e4d2, h7h6, g7g6, f7f6, e7e6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
e4f6
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P6/5Q2/P1PP2PP/R1B1KBNR w KQkq - 1 8 Legal moves: f3b7, f3f6, f3c6, f3h5, f3f5, f3d5, f3g4, f3f4, f3e4, f3h3, f3g3, f3e3, f3d3, f3c3, f3b3, f3a3, f3f2, f3e2, f3d1, g1h3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, e1d1, c1a3, c1b2, a1b1, b4b5, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
f3e3
You are a chess engine. FEN: rnbqkb1r/ppp1pppp/5n2/8/1P6/4Q3/P1PP2PP/R1B1KBNR b KQkq - 2 8 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, h7h6, g7g6, e7e6, c7c6, b7b6, a7a6, h7h5, g7g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
b8c6
You are a chess engine. FEN: r1bqkb1r/ppp1pppp/2n2n2/8/1P6/4Q3/P1PP2PP/R1B1KBNR w KQkq - 3 9 Legal moves: e3e7, e3a7, e3h6, e3e6, e3b6, e3g5, e3e5, e3c5, e3f4, e3e4, e3d4, e3h3, e3g3, e3f3, e3d3, e3c3, e3b3, e3a3, e3f2, e3e2, g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, e1d1, c1a3, c1b2, a1b1, b4b5, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
e3g5
You are a chess engine. FEN: r1bqkb1r/ppp1pppp/2n2n2/6Q1/1P6/8/P1PP2PP/R1B1KBNR b KQkq - 4 9 Legal moves: h8g8, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, a8b8, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, c6b8, c6e5, c6a5, c6d4, c6b4, h7h6, g7g6, e7e6, b7b6, a7a6, h7h5, e7e5, b7b5, a7a5 Return the single best move from the list above.
h7h6
You are a chess engine. FEN: r1bqkb1r/ppp1ppp1/2n2n1p/6Q1/1P6/8/P1PP2PP/R1B1KBNR w KQkq - 0 10 Legal moves: g5g7, g5h6, g5g6, g5f6, g5h5, g5f5, g5e5, g5d5, g5c5, g5b5, g5a5, g5h4, g5g4, g5f4, g5g3, g5e3, g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, e1d1, c1a3, c1b2, a1b1, b4b5, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
g5g6
You are a chess engine. FEN: r1bqkb1r/ppp1ppp1/2n2nQp/8/1P6/8/P1PP2PP/R1B1KBNR b KQkq - 1 10 Legal moves: h8g8, h8h7, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6g4, f6e4, c6b8, c6e5, c6a5, c6d4, c6b4, f7g6, e7e6, b7b6, a7a6, h6h5, e7e5, b7b5, a7a5 Return the single best move from the list above.
f7g6
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/2n2npp/8/1P6/8/P1PP2PP/R1B1KBNR w KQkq - 0 11 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, e1d1, c1a3, c1b2, a1b1, b4b5, h2h3, g2g3, d2d3, c2c3, a2a3, h2h4, g2g4, d2d4, c2c4, a2a4 Return the single best move from the list above.
a2a4
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/2n2npp/8/PP6/8/2PP2PP/R1B1KBNR b KQkq - 0 11 Legal moves: h8g8, h8h7, e8f7, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6g4, f6e4, c6b8, c6e5, c6a5, c6d4, c6b4, e7e6, b7b6, a7a6, h6h5, g6g5, e7e5, b7b5, a7a5 Return the single best move from the list above.
c6b4
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/5npp/8/Pn6/8/2PP2PP/R1B1KBNR w KQkq - 0 12 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1f2, e1e2, e1d1, c1a3, c1b2, a1a3, a1a2, a1b1, a4a5, h2h3, g2g3, d2d3, c2c3, h2h4, g2g4, d2d4, c2c4 Return the single best move from the list above.
e1e2
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/5npp/8/Pn6/8/2PPK1PP/R1B2BNR b kq - 1 12 Legal moves: h8g8, h8h7, e8f7, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6g4, f6e4, b4c6, b4a6, b4d5, b4d3, b4c2, b4a2, e7e6, c7c6, b7b6, a7a6, h6h5, g6g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
b4c2
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/5npp/8/P7/8/2nPK1PP/R1B2BNR w kq - 0 13 Legal moves: e2f3, e2f2, e2d1, g1h3, g1f3, c1a3, c1b2, a1a3, a1a2, a1b1, a4a5, h2h3, g2g3, d2d3, h2h4, g2g4, d2d4 Return the single best move from the list above.
e2f3
You are a chess engine. FEN: r1bqkb1r/ppp1p1p1/5npp/8/P7/5K2/2nP2PP/R1B2BNR b kq - 1 13 Legal moves: h8g8, h8h7, e8f7, e8d7, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, c8d7, c8e6, c8f5, c8g4, c8h3, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6g4, f6e4, c2d4, c2b4, c2e3, c2a3, c2e1, c2a1, e7e6, c7c6, b7b6, a7a6, h6h5, g6g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
c8g4
You are a chess engine. FEN: r2qkb1r/ppp1p1p1/5npp/8/P5b1/5K2/2nP2PP/R1B2BNR w kq - 2 14 Legal moves: f3f4, f3g3, f3f2 Return the single best move from the list above.
f3g3
You are a chess engine. FEN: r2qkb1r/ppp1p1p1/5npp/8/P5b1/6K1/2nP2PP/R1B2BNR b kq - 3 14 Legal moves: h8g8, h8h7, e8f7, e8d7, d8c8, d8b8, d8d7, d8d6, d8d5, d8d4, d8d3, d8d2, a8c8, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6e4, g4c8, g4d7, g4e6, g4h5, g4f5, g4h3, g4f3, g4e2, g4d1, c2d4, c2b4, c2e3, c2a3, c2e1, c2a1, e7e6, c7c6, b7b6, a7a6, h6h5, g6g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d8d3
You are a chess engine. FEN: r3kb1r/ppp1p1p1/5npp/8/P5b1/3q2K1/2nP2PP/R1B2BNR w kq - 4 15 Legal moves: g3h4, g3f4, g3f2, g1f3, f1d3 Return the single best move from the list above.
g3f4
You are a chess engine. FEN: r3kb1r/ppp1p1p1/5npp/8/P4Kb1/3q4/2nP2PP/R1B2BNR b kq - 5 15 Legal moves: h8g8, h8h7, e8d8, e8f7, e8d7, a8d8, a8c8, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6e4, g4c8, g4d7, g4e6, g4h5, g4f5, g4h3, g4f3, g4e2, g4d1, d3d8, d3d7, d3d6, d3a6, d3f5, d3d5, d3b5, d3e4, d3d4, d3c4, d3h3, d3g3, d3f3, d3e3, d3c3, d3b3, d3a3, d3e2, d3d2, d3f1, c2d4, c2b4, c2e3, c2a3, c2e1, c2a1, e8c8, e7e6, c7c6, b7b6, a7a6, h6h5, g6g5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
g6g5
You are a chess engine. FEN: r3kb1r/ppp1p1p1/5n1p/6p1/P4Kb1/3q4/2nP2PP/R1B2BNR w kq - 0 16 Legal moves: f4e5 Return the single best move from the list above.
f4e5
You are a chess engine. FEN: r3kb1r/ppp1p1p1/5n1p/4K1p1/P5b1/3q4/2nP2PP/R1B2BNR b kq - 1 16 Legal moves: h8g8, h8h7, e8d8, e8f7, e8d7, a8d8, a8c8, a8b8, f6g8, f6h7, f6d7, f6h5, f6d5, f6e4, g4c8, g4d7, g4e6, g4h5, g4f5, g4h3, g4f3, g4e2, g4d1, d3d8, d3h7, d3d7, d3g6, d3d6, d3a6, d3f5, d3d5, d3b5, d3e4, d3d4, d3c4, d3h3, d3g3, d3f3, d3e3, d3c3, d3b3, d3a3, d3e2, d3d2, d3f1, c2d4, c2b4, c2e3, c2a3, c2e1, c2a1, e8c8, g7g6, e7e6, c7c6, b7b6, a7a6, h6h5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d3e4
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 Legal moves: g1h3, g1f3, b1c3, b1a3, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
b2b4
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/1P6/8/P1PPPPPP/RNBQKBNR b KQkq - 0 1 Legal moves: g8h6, g8f6, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, d7d6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, e7e5, d7d5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d7d6
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/1P6/8/P1PPPPPP/RNBQKBNR w KQkq - 0 2 Legal moves: g1h3, g1f3, c1a3, c1b2, b1c3, b1a3, b4b5, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, a2a4 Return the single best move from the list above.
c1b2
You are a chess engine. FEN: rnbqkbnr/ppp1pppp/3p4/8/1P6/8/PBPPPPPP/RN1QKBNR b KQkq - 1 2 Legal moves: g8h6, g8f6, e8d7, d8d7, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, c7c6, b7b6, a7a6, d6d5, h7h5, g7g5, f7f5, e7e5, c7c5, b7b5, a7a5 Return the single best move from the list above.
c7c6
You are a chess engine. FEN: rnbqkbnr/pp2pppp/2pp4/8/1P6/8/PBPPPPPP/RN1QKBNR w KQkq - 0 3 Legal moves: b2g7, b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, g1h3, g1f3, d1c1, b1c3, b1a3, b4b5, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, a2a4 Return the single best move from the list above.
a2a4
You are a chess engine. FEN: rnbqkbnr/pp2pppp/2pp4/8/PP6/8/1BPPPPPP/RN1QKBNR b KQkq - 0 3 Legal moves: g8h6, g8f6, e8d7, d8d7, d8c7, d8b6, d8a5, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8a6, h7h6, g7g6, f7f6, e7e6, b7b6, a7a6, d6d5, c6c5, h7h5, g7g5, f7f5, e7e5, b7b5, a7a5 Return the single best move from the list above.
g8f6
You are a chess engine. FEN: rnbqkb1r/pp2pppp/2pp1n2/8/PP6/8/1BPPPPPP/RN1QKBNR w KQkq - 1 4 Legal moves: b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, g1h3, g1f3, d1c1, b1c3, b1a3, a1a3, a1a2, b4b5, a4a5, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
b4b5
You are a chess engine. FEN: rnbqkb1r/pp2pppp/2pp1n2/1P6/P7/8/1BPPPPPP/RN1QKBNR b KQkq - 0 4 Legal moves: h8g8, e8d7, d8d7, d8c7, d8b6, d8a5, c8d7, c8e6, c8f5, c8g4, c8h3, b8d7, b8a6, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, c6b5, h7h6, g7g6, e7e6, b7b6, a7a6, d6d5, c6c5, h7h5, g7g5, e7e5, a7a5 Return the single best move from the list above.
c8g4
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1n2/1P6/P5b1/8/1BPPPPPP/RN1QKBNR w KQkq - 1 5 Legal moves: b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, g1h3, g1f3, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, a4a5, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, h2h4, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
h2h3
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1n2/1P6/P5b1/7P/1BPPPPP1/RN1QKBNR b KQkq - 0 5 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f6g8, f6d7, f6h5, f6d5, f6e4, g4c8, g4d7, g4e6, g4h5, g4f5, g4h3, g4f3, g4e2, c6b5, h7h6, g7g6, e7e6, b7b6, a7a6, d6d5, c6c5, h7h5, g7g5, e7e5, a7a5 Return the single best move from the list above.
g4h5
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1n2/1P5b/P7/7P/1BPPPPP1/RN1QKBNR w KQkq - 1 6 Legal moves: b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, h1h2, g1f3, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, a4a5, h3h4, g2g3, f2f3, e2e3, d2d3, c2c3, g2g4, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
g2g4
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1n2/1P5b/P5P1/7P/1BPPPP2/RN1QKBNR b KQkq - 0 6 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f6g8, f6d7, f6d5, f6g4, f6e4, h5g6, h5g4, c6b5, h7h6, g7g6, e7e6, b7b6, a7a6, d6d5, c6c5, g7g5, e7e5, a7a5 Return the single best move from the list above.
h5g6
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1nb1/1P6/P5P1/7P/1BPPPP2/RN1QKBNR w KQkq - 1 7 Legal moves: b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, h1h2, g1f3, f1g2, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, g4g5, a4a5, h3h4, f2f3, e2e3, d2d3, c2c3, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
h3h4
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp1nb1/1P6/P5PP/8/1BPPPP2/RN1QKBNR b KQkq - 0 7 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, g6h5, g6f5, g6e4, g6d3, g6c2, f6g8, f6d7, f6h5, f6d5, f6g4, f6e4, c6b5, h7h6, e7e6, b7b6, a7a6, d6d5, c6c5, h7h5, e7e5, a7a5 Return the single best move from the list above.
f6g4
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp2b1/1P6/P5nP/8/1BPPPP2/RN1QKBNR w KQkq - 0 8 Legal moves: b2g7, b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, h1h3, h1h2, g1h3, g1f3, f1h3, f1g2, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, h4h5, a4a5, f2f3, e2e3, d2d3, c2c3, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
h4h5
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp2b1/1P5P/P5n1/8/1BPPPP2/RN1QKBNR b KQkq - 0 8 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, g6h5, g6f5, g6e4, g6d3, g6c2, g4h6, g4f6, g4e5, g4e3, g4h2, g4f2, c6b5, h7h6, f7f6, e7e6, b7b6, a7a6, d6d5, c6c5, f7f5, e7e5, a7a5 Return the single best move from the list above.
g6f5
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp4/1P3b1P/P5n1/8/1BPPPP2/RN1QKBNR w KQkq - 1 9 Legal moves: b2g7, b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, h1h4, h1h3, h1h2, g1h3, g1f3, f1h3, f1g2, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, h5h6, b5b6, a4a5, f2f3, e2e3, d2d3, c2c3, f2f4, e2e4, d2d4, c2c4 Return the single best move from the list above.
f2f3
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp4/1P3b1P/P5n1/5P2/1BPPP3/RN1QKBNR b KQkq - 0 9 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f5c8, f5d7, f5g6, f5e6, f5e4, f5d3, f5c2, g4h6, g4f6, g4e5, g4e3, g4h2, g4f2, c6b5, h7h6, g7g6, f7f6, e7e6, b7b6, a7a6, d6d5, c6c5, g7g5, e7e5, a7a5 Return the single best move from the list above.
g4e5
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp4/1P2nb1P/P7/5P2/1BPPP3/RN1QKBNR w KQkq - 1 10 Legal moves: b2e5, b2d4, b2c3, b2a3, b2c1, h1h4, h1h3, h1h2, g1h3, f1h3, f1g2, e1f2, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, h5h6, b5b6, a4a5, f3f4, e2e3, d2d3, c2c3, e2e4, d2d4, c2c4 Return the single best move from the list above.
h5h6
You are a chess engine. FEN: rn1qkb1r/pp2pppp/2pp3P/1P2nb2/P7/5P2/1BPPP3/RN1QKBNR b KQkq - 0 10 Legal moves: h8g8, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f5c8, f5d7, f5g6, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, e5d7, e5g6, e5g4, e5c4, e5f3, e5d3, g7h6, c6b5, g7g6, f7f6, e7e6, b7b6, a7a6, d6d5, c6c5, g7g5, a7a5 Return the single best move from the list above.
g7g6
You are a chess engine. FEN: rn1qkb1r/pp2pp1p/2pp2pP/1P2nb2/P7/5P2/1BPPP3/RN1QKBNR w KQkq - 0 11 Legal moves: b2e5, b2d4, b2c3, b2a3, b2c1, h1h5, h1h4, h1h3, h1h2, g1h3, f1h3, f1g2, e1f2, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, a4a5, f3f4, e2e3, d2d3, c2c3, e2e4, d2d4, c2c4 Return the single best move from the list above.
f1g2
You are a chess engine. FEN: rn1qkb1r/pp2pp1p/2pp2pP/1P2nb2/P7/5P2/1BPPP1B1/RN1QK1NR b KQkq - 1 11 Legal moves: h8g8, f8g7, f8h6, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f5c8, f5d7, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, e5d7, e5g4, e5c4, e5f3, e5d3, c6b5, f7f6, e7e6, b7b6, a7a6, g6g5, d6d5, c6c5, a7a5 Return the single best move from the list above.
e5c4
You are a chess engine. FEN: rn1qkb1r/pp2pp1p/2pp2pP/1P3b2/P1n5/5P2/1BPPP1B1/RN1QK1NR w KQkq - 2 12 Legal moves: g2h3, g2f1, b2h8, b2g7, b2f6, b2e5, b2d4, b2c3, b2a3, b2c1, h1h5, h1h4, h1h3, h1h2, g1h3, e1f2, e1f1, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, a4a5, f3f4, e2e3, d2d3, c2c3, e2e4, d2d4 Return the single best move from the list above.
b2h8
You are a chess engine. FEN: rn1qkb1B/pp2pp1p/2pp2pP/1P3b2/P1n5/5P2/2PPP1B1/RN1QK1NR b KQq - 0 12 Legal moves: f8g7, f8h6, e8d7, d8c8, d8d7, d8c7, d8b6, d8a5, b8d7, b8a6, f5c8, f5d7, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, c4b6, c4e5, c4a5, c4e3, c4a3, c4d2, c4b2, c6b5, f7f6, e7e6, b7b6, a7a6, g6g5, d6d5, c6c5, e7e5, a7a5 Return the single best move from the list above.
d8a5
You are a chess engine. FEN: rn2kb1B/pp2pp1p/2pp2pP/qP3b2/P1n5/5P2/2PPP1B1/RN1QK1NR w KQq - 1 13 Legal moves: h8g7, h8f6, h8e5, h8d4, h8c3, h8b2, g2h3, g2f1, h1h5, h1h4, h1h3, h1h2, g1h3, e1f2, e1f1, d1c1, b1c3, b1a3, a1a3, a1a2, b5c6, b5b6, f3f4, e2e3, c2c3, e2e4 Return the single best move from the list above.
b5c6
You are a chess engine. FEN: rn2kb1B/pp2pp1p/2Pp2pP/q4b2/P1n5/5P2/2PPP1B1/RN1QK1NR b KQq - 0 13 Legal moves: f8g7, f8h6, e8d8, b8d7, b8c6, b8a6, f5c8, f5d7, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, a5d8, a5c7, a5b6, a5a6, a5e5, a5d5, a5c5, a5b5, a5b4, a5a4, a5c3, a5d2, c4b6, c4e5, c4e3, c4a3, c4d2, c4b2, b7c6, f7f6, e7e6, b7b6, a7a6, g6g5, d6d5, e7e5, b7b5 Return the single best move from the list above.
b7c6
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q4b2/P1n5/5P2/2PPP1B1/RN1QK1NR w KQq - 0 14 Legal moves: h8g7, h8f6, h8e5, h8d4, h8c3, h8b2, g2h3, g2f1, h1h5, h1h4, h1h3, h1h2, g1h3, e1f2, e1f1, d1c1, b1c3, b1a3, a1a3, a1a2, f3f4, e2e3, c2c3, e2e4 Return the single best move from the list above.
c2c3
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q4b2/P1n5/2P2P2/3PP1B1/RN1QK1NR b KQq - 0 14 Legal moves: f8g7, f8h6, e8d8, e8d7, b8d7, b8a6, f5c8, f5d7, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, f5b1, a5d8, a5c7, a5b6, a5a6, a5e5, a5d5, a5c5, a5b5, a5b4, a5a4, a5c3, c4b6, c4e5, c4e3, c4a3, c4d2, c4b2, f7f6, e7e6, a7a6, g6g5, d6d5, c6c5, e7e5 Return the single best move from the list above.
c4b2
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q4b2/P7/2P2P2/1n1PP1B1/RN1QK1NR w KQq - 1 15 Legal moves: h8g7, h8f6, h8e5, h8d4, g2h3, g2f1, h1h5, h1h4, h1h3, h1h2, g1h3, e1f2, e1f1, d1b3, d1c2, d1c1, b1a3, a1a3, a1a2, f3f4, c3c4, e2e3, d2d3, e2e4, d2d4 Return the single best move from the list above.
d1b3
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q4b2/P7/1QP2P2/1n1PP1B1/RN2K1NR b KQq - 2 15 Legal moves: f8g7, f8h6, e8d8, e8d7, b8d7, b8a6, f5c8, f5d7, f5e6, f5g4, f5e4, f5h3, f5d3, f5c2, f5b1, a5d8, a5c7, a5b6, a5a6, a5e5, a5d5, a5c5, a5b5, a5b4, a5a4, a5c3, b2c4, b2a4, b2d3, b2d1, f7f6, e7e6, a7a6, g6g5, d6d5, c6c5, e7e5 Return the single best move from the list above.
f5b1
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q7/P7/1QP2P2/1n1PP1B1/Rb2K1NR w KQq - 0 16 Legal moves: h8g7, h8f6, h8e5, h8d4, b3b8, b3f7, b3b7, b3e6, b3b6, b3d5, b3b5, b3c4, b3b4, b3a3, b3c2, b3b2, b3a2, b3d1, g2h3, g2f1, h1h5, h1h4, h1h3, h1h2, g1h3, e1f2, e1f1, a1a3, a1a2, a1b1, f3f4, c3c4, e2e3, d2d3, e2e4, d2d4 Return the single best move from the list above.
a1b1
You are a chess engine. FEN: rn2kb1B/p3pp1p/2pp2pP/q7/P7/1QP2P2/1n1PP1B1/1R2K1NR b Kq - 0 16 Legal moves: f8g7, f8h6, e8d8, e8d7, b8d7, b8a6, a5d8, a5c7, a5b6, a5a6, a5h5, a5g5, a5f5, a5e5, a5d5, a5c5, a5b5, a5b4, a5a4, a5c3, b2c4, b2a4, b2d3, b2d1, f7f6, e7e6, a7a6, g6g5, d6d5, c6c5, f7f5, e7e5 Return the single best move from the list above.
b8d7
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 Legal moves: g1h3, g1f3, b1c3, b1a3, h2h3, g2g3, f2f3, e2e3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, e2e4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
e2e4
You are a chess engine. FEN: rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq - 0 1 Legal moves: g8h6, g8f6, b8c6, b8a6, h7h6, g7g6, f7f6, e7e6, d7d6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, e7e5, d7d5, c7c5, b7b5, a7a5 Return the single best move from the list above.
e7e6
You are a chess engine. FEN: rnbqkbnr/pppp1ppp/4p3/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, d1h5, d1g4, d1f3, d1e2, b1c3, b1a3, e4e5, h2h3, g2g3, f2f3, d2d3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, d2d4, c2c4, b2b4, a2a4 Return the single best move from the list above.
d2d4
You are a chess engine. FEN: rnbqkbnr/pppp1ppp/4p3/8/3PP3/8/PPP2PPP/RNBQKBNR b KQkq - 0 2 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, f8c5, f8b4, f8a3, e8e7, d8e7, d8f6, d8g5, d8h4, b8c6, b8a6, h7h6, g7g6, f7f6, d7d6, c7c6, b7b6, a7a6, e6e5, h7h5, g7g5, f7f5, d7d5, c7c5, b7b5, a7a5 Return the single best move from the list above.
d7d5
You are a chess engine. FEN: rnbqkbnr/ppp2ppp/4p3/3p4/3PP3/8/PPP2PPP/RNBQKBNR w KQkq - 0 3 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, e1d2, d1h5, d1g4, d1f3, d1d3, d1e2, d1d2, c1h6, c1g5, c1f4, c1e3, c1d2, b1c3, b1a3, b1d2, e4d5, e4e5, h2h3, g2g3, f2f3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, c2c4, b2b4, a2a4 Return the single best move from the list above.
e4e5
You are a chess engine. FEN: rnbqkbnr/ppp2ppp/4p3/3pP3/3P4/8/PPP2PPP/RNBQKBNR b KQkq - 0 3 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, f8c5, f8b4, f8a3, e8e7, e8d7, d8e7, d8d7, d8f6, d8d6, d8g5, d8h4, c8d7, b8d7, b8c6, b8a6, h7h6, g7g6, f7f6, c7c6, b7b6, a7a6, h7h5, g7g5, f7f5, c7c5, b7b5, a7a5 Return the single best move from the list above.
c7c5
You are a chess engine. FEN: rnbqkbnr/pp3ppp/4p3/2ppP3/3P4/8/PPP2PPP/RNBQKBNR w KQkq - 0 4 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, e1d2, d1h5, d1g4, d1f3, d1d3, d1e2, d1d2, c1h6, c1g5, c1f4, c1e3, c1d2, b1c3, b1a3, b1d2, d4c5, h2h3, g2g3, f2f3, c2c3, b2b3, a2a3, h2h4, g2g4, f2f4, c2c4, b2b4, a2a4 Return the single best move from the list above.
c2c3
You are a chess engine. FEN: rnbqkbnr/pp3ppp/4p3/2ppP3/3P4/2P5/PP3PPP/RNBQKBNR b KQkq - 0 4 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, e8e7, e8d7, d8e7, d8d7, d8c7, d8f6, d8d6, d8b6, d8g5, d8a5, d8h4, c8d7, b8d7, b8c6, b8a6, c5d4, h7h6, g7g6, f7f6, b7b6, a7a6, c5c4, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
b8c6
You are a chess engine. FEN: r1bqkbnr/pp3ppp/2n1p3/2ppP3/3P4/2P5/PP3PPP/RNBQKBNR w KQkq - 1 5 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, e1d2, d1h5, d1g4, d1a4, d1f3, d1d3, d1b3, d1e2, d1d2, d1c2, c1h6, c1g5, c1f4, c1e3, c1d2, b1a3, b1d2, d4c5, c3c4, h2h3, g2g3, f2f3, b2b3, a2a3, h2h4, g2g4, f2f4, b2b4, a2a4 Return the single best move from the list above.
b2b3
You are a chess engine. FEN: r1bqkbnr/pp3ppp/2n1p3/2ppP3/3P4/1PP5/P4PPP/RNBQKBNR b KQkq - 0 5 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, e8e7, e8d7, d8e7, d8d7, d8c7, d8f6, d8d6, d8b6, d8g5, d8a5, d8h4, c8d7, a8b8, c6b8, c6e7, c6e5, c6a5, c6d4, c6b4, c5d4, h7h6, g7g6, f7f6, b7b6, a7a6, c5c4, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
c8d7
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/2n1p3/2ppP3/3P4/1PP5/P4PPP/RNBQKBNR w KQkq - 1 6 Legal moves: g1h3, g1f3, g1e2, f1a6, f1b5, f1c4, f1d3, f1e2, e1e2, e1d2, d1h5, d1g4, d1f3, d1d3, d1e2, d1d2, d1c2, c1h6, c1g5, c1f4, c1e3, c1a3, c1d2, c1b2, b1a3, b1d2, d4c5, c3c4, b3b4, h2h3, g2g3, f2f3, a2a3, h2h4, g2g4, f2f4, a2a4 Return the single best move from the list above.
f1d3
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/2n1p3/2ppP3/3P4/1PPB4/P4PPP/RNBQK1NR b KQkq - 2 6 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, e8e7, d8c8, d8b8, d8e7, d8c7, d8f6, d8b6, d8g5, d8a5, d8h4, a8c8, a8b8, d7c8, c6b8, c6e7, c6e5, c6a5, c6d4, c6b4, c5d4, h7h6, g7g6, f7f6, b7b6, a7a6, c5c4, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
c5d4
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/2n1p3/3pP3/3p4/1PPB4/P4PPP/RNBQK1NR w KQkq - 0 7 Legal moves: d3h7, d3g6, d3a6, d3f5, d3b5, d3e4, d3c4, d3e2, d3c2, d3f1, g1h3, g1f3, g1e2, e1e2, e1d2, e1f1, d1h5, d1g4, d1f3, d1e2, d1d2, d1c2, c1h6, c1g5, c1f4, c1e3, c1a3, c1d2, c1b2, b1a3, b1d2, c3d4, c3c4, b3b4, h2h3, g2g3, f2f3, a2a3, h2h4, g2g4, f2f4, a2a4 Return the single best move from the list above.
c3d4
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/2n1p3/3pP3/3P4/1P1B4/P4PPP/RNBQK1NR b KQkq - 0 7 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, f8c5, f8b4, f8a3, e8e7, d8c8, d8b8, d8e7, d8c7, d8f6, d8b6, d8g5, d8a5, d8h4, a8c8, a8b8, d7c8, c6b8, c6e7, c6e5, c6a5, c6d4, c6b4, h7h6, g7g6, f7f6, b7b6, a7a6, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
c6d4
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/4p3/3pP3/3n4/1P1B4/P4PPP/RNBQK1NR w KQkq - 0 8 Legal moves: d3h7, d3g6, d3a6, d3f5, d3b5, d3e4, d3c4, d3e2, d3c2, d3f1, g1h3, g1f3, g1e2, e1d2, e1f1, d1h5, d1g4, d1f3, d1e2, d1d2, d1c2, c1h6, c1g5, c1f4, c1e3, c1a3, c1d2, c1b2, b1c3, b1a3, b1d2, b3b4, h2h3, g2g3, f2f3, a2a3, h2h4, g2g4, f2f4, a2a4 Return the single best move from the list above.
b1d2
You are a chess engine. FEN: r2qkbnr/pp1b1ppp/4p3/3pP3/3n4/1P1B4/P2N1PPP/R1BQK1NR b KQkq - 1 8 Legal moves: g8e7, g8h6, g8f6, f8e7, f8d6, f8c5, f8b4, f8a3, e8e7, d8c8, d8b8, d8e7, d8c7, d8f6, d8b6, d8g5, d8a5, d8h4, a8c8, a8b8, d7c8, d7c6, d7b5, d7a4, d4c6, d4f5, d4b5, d4f3, d4b3, d4e2, d4c2, h7h6, g7g6, f7f6, b7b6, a7a6, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
f8b4
You are a chess engine. FEN: r2qk1nr/pp1b1ppp/4p3/3pP3/1b1n4/1P1B4/P2N1PPP/R1BQK1NR w KQkq - 2 9 Legal moves: d3h7, d3g6, d3a6, d3f5, d3b5, d3e4, d3c4, d3e2, d3c2, d3f1, d3b1, g1h3, g1f3, g1e2, e1f1, d1h5, d1g4, d1f3, d1e2, d1c2, c1a3, c1b2, a1b1, h2h3, g2g3, f2f3, a2a3, h2h4, g2g4, f2f4, a2a4 Return the single best move from the list above.
g1f3
You are a chess engine. FEN: r2qk1nr/pp1b1ppp/4p3/3pP3/1b1n4/1P1B1N2/P2N1PPP/R1BQK2R b KQkq - 3 9 Legal moves: g8e7, g8h6, g8f6, e8f8, e8e7, d8c8, d8b8, d8e7, d8c7, d8f6, d8b6, d8g5, d8a5, d8h4, a8c8, a8b8, d7c8, d7c6, d7b5, d7a4, d4c6, d4f5, d4b5, d4f3, d4b3, d4e2, d4c2, b4f8, b4e7, b4d6, b4c5, b4a5, b4c3, b4a3, b4d2, h7h6, g7g6, f7f6, b7b6, a7a6, h7h5, g7g5, f7f5, b7b5, a7a5 Return the single best move from the list above.
d4f3
End of preview. Expand in Data Studio

Made on the basis of lichess player profile. Not recommended for use.

Uploaded to train claudia_bot for its LLM-based chess engine.

system_msg = ( “You are a chess engine. Only respond with one legal move in UCI format.” ) user_msg = ( f “FEN: {fen}\n” f “Legal moves: {legal_moves_str}{n}” f “{metadata}\n\n.” “Pick the single best move from the list. Output only the UCI (no explanation).” )

    payload = {
        “messages": [
            { “role”: “system”, ‘content’: system_msg }
            { “role”: “user”, ‘content’: user_msg},
        ],
        { “mode”: “instruct”,  
        “instruction_template": ‘Alpaca’, 
        “max_new_tokens": 10,   
        “temperature": 0.05,  
        “top_p": 1.0, 
        # “stop”: [“\n”]
    }
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