3rkbnr/p2bpp2/P2p4/2p3pp/p2q1PP1/2PPP2P/3NK2R/RNB1QB2 w k - 0 18
FEN state: 3rkbnr/p2bpp2/P2p4/2p3pp/p2q1PP1/2PPP2P/3NK2R/RNB1QB2 w k - 0 18 ; Best move: c3d4
The current state of the chess board is: Black rook at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at d7, black pawn at e7 and black pawn at f7. White pawn at a6 and black pawn at d6. Black pawn at c5, black pawn at g5 and black pawn at h5. Black pawn at a4, black queen at d4, white pawn at f4 and white pawn at g4. White pawn at c3, white pawn at d3, white pawn at e3 and white pawn at h3. White knight at d2, white king at e2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.