r1bk2nr/p2p4/4pppb/1P5p/1n1p1PP1/4PKBB/2P4P/RN2QN1R b - - 0 18
FEN state: r1bk2nr/p2p4/4pppb/1P5p/1n1p1PP1/4PKBB/2P4P/RN2QN1R b - - 0 18 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black pawn at e6, black pawn at f6, black pawn at g6 and black bishop at h6. White pawn at b5 and black pawn at h5. Black knight at b4, black pawn at d4, white pawn at f4 and white pawn at g4. White pawn at e3, white king at f3, white bishop at g3 and white bishop at h3. White pawn at c2 and white pawn at h2. White rook at a1, white knight at b1, white queen at e1, white knight 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.