1rbqkb2/1p1p3r/2p1pp1n/pB1P3p/PP2P2p/4R3/5PPR/1NB1K1N1 b - - 0 18
FEN state: 1rbqkb2/1p1p3r/2p1pp1n/pB1P3p/PP2P2p/4R3/5PPR/1NB1K1N1 b - - 0 18 ; Best move: f8b4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at d7 and black rook at h7. Black pawn at c6, black pawn at e6, black pawn at f6 and black knight at h6. Black pawn at a5, white bishop at b5, white pawn at d5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at e4 and black pawn at h4. White rook at e3. White pawn at f2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.