1nb1kb1r/r2pp2p/5pp1/1pp2N2/1p6/1R2PKPP/2PP3R/q1BQ1BN1 w k - 1 18
FEN state: 1nb1kb1r/r2pp2p/5pp1/1pp2N2/1p6/1R2PKPP/2PP3R/q1BQ1BN1 w k - 1 18 ; Best move: f5h4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at d7, black pawn at e7 and black pawn at h7. Black pawn at f6 and black pawn at g6. Black pawn at b5, black pawn at c5 and white knight at f5. Black pawn at b4. White rook at b3, white pawn at e3, white king at f3, white pawn at g3 and white pawn at h3. White pawn at c2, white pawn at d2 and white rook at h2. Black queen at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 18. White to move.