r1b2rk1/p1pnnpp1/8/bpN1p1N1/3P4/4P3/PP4BP/R2Q1K1R b - - 0 18
FEN state: r1b2rk1/p1pnnpp1/8/bpN1p1N1/3P4/4P3/PP4BP/R2Q1K1R b - - 0 18 ; Best move: e7f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7, black pawn at c7, black knight at d7, black knight at e7, black pawn at f7 and black pawn at g7. Black bishop at a5, black pawn at b5, white knight at c5, black pawn at e5 and white knight at g5. White pawn at d4. White pawn at e3. White pawn at a2, white pawn at b2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at d1, white king 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.