rn2bknr/p1q4p/3p1ppb/1p4BQ/1Pp2NP1/3P1P1N/P1P4P/2RK1B1R b - - 4 18
FEN state: rn2bknr/p1q4p/3p1ppb/1p4BQ/1Pp2NP1/3P1P1N/P1P4P/2RK1B1R b - - 4 18 ; Best move: f8f7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at e8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7 and black pawn at h7. Black pawn at d6, black pawn at f6, black pawn at g6 and black bishop at h6. Black pawn at b5, white bishop at g5 and white queen at h5. White pawn at b4, black pawn at c4, white knight at f4 and white pawn at g4. White pawn at d3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at c2 and white pawn at h2. White rook at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.