r1q4r/p1p3kp/1p1ppppn/n5B1/2P2PP1/bPP2K1P/P3P1B1/1R4NR b - - 1 18
FEN state: r1q4r/p1p3kp/1p1ppppn/n5B1/2P2PP1/bPP2K1P/P3P1B1/1R4NR b - - 1 18 ; Best move: f6g5
The current state of the chess board is: Black rook at a8, black queen at c8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at g7 and black pawn at h7. Black pawn at b6, black pawn at d6, black pawn at e6, black pawn at f6, black pawn at g6 and black knight at h6. Black knight at a5 and white bishop at g5. White pawn at c4, white pawn at f4 and white pawn at g4. Black bishop at a3, white pawn at b3, white pawn at c3, white king at f3 and white pawn at h3. White pawn at a2, white pawn at e2 and white bishop at g2. White rook at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.