r1b1k1nr/p1q2p1p/nb2p3/1p1p4/2pP1PP1/PPP4N/N2BQ3/R2K1B2 w k - 1 22
FEN state: r1b1k1nr/p1q2p1p/nb2p3/1p1p4/2pP1PP1/PPP4N/N2BQ3/R2K1B2 w k - 1 22 ; Best move: f4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at f7 and black pawn at h7. Black knight at a6, black bishop at b6 and black pawn at e6. Black pawn at b5 and black pawn at d5. Black pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at a3, white pawn at b3, white pawn at c3 and white knight at h3. White knight at a2, white bishop at d2 and white queen at e2. White rook at a1, white king at d1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 1. Full move number is 22. White to move.