2b1kb1r/r1pp1p2/2n3p1/Q3p2p/1p1PP1BP/PPP2N2/7P/RNBnK2R b KQk - 1 18
FEN state: 2b1kb1r/r1pp1p2/2n3p1/Q3p2p/1p1PP1BP/PPP2N2/7P/RNBnK2R b KQk - 1 18 ; Best move: a7a5
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at d7 and black pawn at f7. Black knight at c6 and black pawn at g6. White queen at a5, black pawn at e5 and black pawn at h5. Black pawn at b4, white pawn at d4, white pawn at e4, white bishop at g4 and white pawn at h4. White pawn at a3, white pawn at b3, white pawn at c3 and white knight at f3. White pawn at h2. White rook at a1, white knight at b1, white bishop at c1, black knight at d1, white king at e1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 1. Full move number is 18. Black to move.