rn4r1/Q1qkppb1/1pp2n2/2P1p2p/1PbP1p2/P6N/4P1PP/R1B1KB1R b - - 0 18
FEN state: rn4r1/Q1qkppb1/1pp2n2/2P1p2p/1PbP1p2/P6N/4P1PP/R1B1KB1R b - - 0 18 ; Best move: a8a7
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at g8. White queen at a7, black queen at c7, black king at d7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at b6, black pawn at c6 and black knight at f6. White pawn at c5, black pawn at e5 and black pawn at h5. White pawn at b4, black bishop at c4, white pawn at d4 and black pawn at f4. White pawn at a3 and white knight at h3. White pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.