rnb4r/4k1qp/p5pn/4p2P/P1p1p2N/2PP2P1/1P2pP2/RNB1KR2 w Q - 1 25
FEN state: rnb4r/4k1qp/p5pn/4p2P/P1p1p2N/2PP2P1/1P2pP2/RNB1KR2 w Q - 1 25 ; Best move: f1g1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black king at e7, black queen at g7 and black pawn at h7. Black pawn at a6, black pawn at g6 and black knight at h6. Black pawn at e5 and white pawn at h5. White pawn at a4, black pawn at c4, black pawn at e4 and white knight at h4. White pawn at c3, white pawn at d3 and white pawn at g3. White pawn at b2, black pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 1. Full move number is 25. White to move.