r2qk2r/1bp1N3/n5p1/pP1pp2p/P1BPNP2/P3P2P/2Q3P1/R1B1Kn1R w KQq - 0 18
FEN state: r2qk2r/1bp1N3/n5p1/pP1pp2p/P1BPNP2/P3P2P/2Q3P1/R1B1Kn1R w KQq - 0 18 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at c7 and white knight at e7. Black knight at a6 and black pawn at g6. Black pawn at a5, white pawn at b5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at a4, white bishop at c4, white pawn at d4, white knight at e4 and white pawn at f4. White pawn at a3, white pawn at e3 and white pawn at h3. White queen at c2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, black knight at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.