1nbqkb1r/1ppp1pp1/r7/2Pnp2p/4PN2/2Q2P2/3P2PP/RNBK1B1R w k - 3 18
FEN state: 1nbqkb1r/1ppp1pp1/r7/2Pnp2p/4PN2/2Q2P2/3P2PP/RNBK1B1R w k - 3 18 ; Best move: f4d5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black rook at a6. White pawn at c5, black knight at d5, black pawn at e5 and black pawn at h5. White pawn at e4 and white knight at f4. White queen at c3 and white pawn at f3. White pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 3. Full move number is 18. White to move.