rn2kb1Q/p5p1/b4pP1/qppp3p/1PP1P1n1/2Np1P1N/RB1KB3/7R b - - 1 23
FEN state: rn2kb1Q/p5p1/b4pP1/qppp3p/1PP1P1n1/2Np1P1N/RB1KB3/7R b - - 1 23 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and white queen at h8. Black pawn at a7 and black pawn at g7. Black bishop at a6, black pawn at f6 and white pawn at g6. Black queen at a5, black pawn at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at e4 and black knight at g4. White knight at c3, black pawn at d3, white pawn at f3 and white knight at h3. White rook at a2, white bishop at b2, white king at d2 and white bishop at e2. White rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.