r1b1kbnr/3p2p1/pqPn1p2/8/1p1P3P/N3BP2/P3PNB1/R3K2R w k - 2 25
FEN state: r1b1kbnr/3p2p1/pqPn1p2/8/1p1P3P/N3BP2/P3PNB1/R3K2R w k - 2 25 ; Best move: a3c2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7 and black pawn at g7. Black pawn at a6, black queen at b6, white pawn at c6, black knight at d6 and black pawn at f6. Black pawn at b4, white pawn at d4 and white pawn at h4. White knight at a3, white bishop at e3 and white pawn at f3. White pawn at a2, white pawn at e2, white knight at f2 and white bishop at g2. White rook at a1, white king at e1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 25. White to move.