1nb1kb1r/3pn3/r1p2P2/Rp4pp/1P1p1NP1/3P1P2/2P3BP/1N1Q1KR1 b - - 1 18
FEN state: 1nb1kb1r/3pn3/r1p2P2/Rp4pp/1P1p1NP1/3P1P2/2P3BP/1N1Q1KR1 b - - 1 18 ; Best move: g5f4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at d7 and black knight at e7. Black rook at a6, black pawn at c6 and white pawn at f6. White rook at a5, black pawn at b5, black pawn at g5 and black pawn at h5. White pawn at b4, black pawn at d4, white knight at f4 and white pawn at g4. White pawn at d3 and white pawn at f3. White pawn at c2, white bishop at g2 and white pawn at h2. White knight at b1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.