1nb1kb1r/rnqp3p/2p3p1/P3pp2/4P3/2P2PP1/PB1PBN1P/R2Q1K1R w k - 1 22
FEN state: 1nb1kb1r/rnqp3p/2p3p1/P3pp2/4P3/2P2PP1/PB1PBN1P/R2Q1K1R w k - 1 22 ; Best move: e4f5
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 knight at b7, black queen at c7, black pawn at d7 and black pawn at h7. Black pawn at c6 and black pawn at g6. White pawn at a5, black pawn at e5 and black pawn at f5. White pawn at e4. White pawn at c3, white pawn at f3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at d2, white bishop at e2, white knight at f2 and white pawn at h2. White rook at a1, white queen at d1, white king at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 22. White to move.