r1bk1b1r/p2npppp/2pp1q2/1p6/P3PBP1/1P3P1N/4P1BP/RN1K3R b - - 1 18
FEN state: r1bk1b1r/p2npppp/2pp1q2/1p6/P3PBP1/1P3P1N/4P1BP/RN1K3R b - - 1 18 ; Best move: f6a1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black knight at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black queen at f6. Black pawn at b5. White pawn at a4, white pawn at e4, white bishop at f4 and white pawn at g4. White pawn at b3, white pawn at f3 and white knight at h3. White pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.