2b1qb1r/r1p1kpp1/3pp2n/pp1B2p1/2nP2P1/P1P4N/RP2PPRP/1N1QK3 w - - 4 18
FEN state: 2b1qb1r/r1p1kpp1/3pp2n/pp1B2p1/2nP2P1/P1P4N/RP2PPRP/1N1QK3 w - - 4 18 ; Best move: d5c4
The current state of the chess board is: Black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at c7, black king at e7, black pawn at f7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black knight at h6. Black pawn at a5, black pawn at b5, white bishop at d5 and black pawn at g5. Black knight at c4, white pawn at d4 and white pawn at g4. White pawn at a3, white pawn at c3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at e2, white pawn at f2, white rook at g2 and white pawn at h2. White knight at b1, white queen at d1 and white king at e1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.