1rb3nr/ppn2k1p/8/2bpp1pP/2pP4/N4P1R/PPPBP1P1/1R2KBN1 w - - 4 18
FEN state: 1rb3nr/ppn2k1p/8/2bpp1pP/2pP4/N4P1R/PPPBP1P1/1R2KBN1 w - - 4 18 ; Best move: d4c5
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at c7, black king at f7 and black pawn at h7. Black bishop at c5, black pawn at d5, black pawn at e5, black pawn at g5 and white pawn at h5. Black pawn at c4 and white pawn at d4. White knight at a3, white pawn at f3 and white rook at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2 and white pawn at g2. White rook at b1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.