1rb3k1/2p1b3/p2ppppp/1BP2q2/1P3B2/N2Q1N1P/P4P2/3RKn1R b - - 0 23
FEN state: 1rb3k1/2p1b3/p2ppppp/1BP2q2/1P3B2/N2Q1N1P/P4P2/3RKn1R b - - 0 23 ; Best move: a6b5
The current state of the chess board is: Black rook at b8, black bishop at c8 and black king at g8. Black pawn at c7 and black bishop at e7. Black pawn at a6, black pawn at d6, black pawn at e6, black pawn at f6, black pawn at g6 and black pawn at h6. White bishop at b5, white pawn at c5 and black queen at f5. White pawn at b4 and white bishop at f4. White knight at a3, white queen at d3, white knight at f3 and white pawn at h3. White pawn at a2 and white pawn at f2. White rook at d1, white king at e1, black knight at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.