1n5r/rbp3pp/2p1k3/p3NP1P/2Kb2P1/q1P2P2/PP1BP3/RN3B1R b - - 0 18
FEN state: 1n5r/rbp3pp/2p1k3/p3NP1P/2Kb2P1/q1P2P2/PP1BP3/RN3B1R b - - 0 18 ; Best move: e6f6
The current state of the chess board is: Black knight at b8 and black rook at h8. Black rook at a7, black bishop at b7, black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at c6 and black king at e6. Black pawn at a5, white knight at e5, white pawn at f5 and white pawn at h5. White king at c4, black bishop at d4 and white pawn at g4. Black queen at a3, white pawn at c3 and white pawn at f3. White pawn at a2, white pawn at b2, white bishop at d2 and white pawn at e2. White rook at a1, white knight at b1, white bishop 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.