rnbk2nr/p2pp2p/1q6/1pp2pp1/PP1b1PP1/4P2N/RBPP2BP/1N1QK2R b K - 1 10
FEN state: rnbk2nr/p2pp2p/1q6/1pp2pp1/PP1b1PP1/4P2N/RBPP2BP/1N1QK2R b K - 1 10 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at e7 and black pawn at h7. Black queen at b6. Black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at a4, white pawn at b4, black bishop at d4, white pawn at f4 and white pawn at g4. White pawn at e3 and white knight at h3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at d2, white bishop at g2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 10. Black to move.