r1bqkr2/pB4b1/2pp1P2/4p2p/P2PPn1R/NP1Q1Nn1/2P2KP1/1RB5 w q - 1 22
FEN state: r1bqkr2/pB4b1/2pp1P2/4p2p/P2PPn1R/NP1Q1Nn1/2P2KP1/1RB5 w q - 1 22 ; Best move: c1f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, white bishop at b7 and black bishop at g7. Black pawn at c6, black pawn at d6 and white pawn at f6. Black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at d4, white pawn at e4, black knight at f4 and white rook at h4. White knight at a3, white pawn at b3, white queen at d3, white knight at f3 and black knight at g3. White pawn at c2, white king at f2 and white pawn at g2. White rook at b1 and white bishop at c1. Black queenside is the only castle move available. Half move number is 1. Full move number is 22. White to move.