1nbq1b2/rp1pnkr1/p4pp1/PP1p3p/2B2p2/R1B1P3/2P3PP/1NQ1K1NR b - - 1 18
FEN state: 1nbq1b2/rp1pnkr1/p4pp1/PP1p3p/2B2p2/R1B1P3/2P3PP/1NQ1K1NR b - - 1 18 ; Best move: d5c4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8 and black bishop at f8. Black rook at a7, black pawn at b7, black pawn at d7, black knight at e7, black king at f7 and black rook at g7. Black pawn at a6, black pawn at f6 and black pawn at g6. White pawn at a5, white pawn at b5, black pawn at d5 and black pawn at h5. White bishop at c4 and black pawn at f4. White rook at a3, white bishop at c3 and white pawn at e3. White pawn at c2, white pawn at g2 and white pawn at h2. White knight at b1, white queen at c1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.