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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

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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Models trained or fine-tuned on CyanLunaris/chess_test