rn2kbr1/pb3p1p/8/2p1P1p1/2B3P1/n3K2P/R2P2R1/1Nb3N1 w q - 0 25
FEN state: rn2kbr1/pb3p1p/8/2p1P1p1/2B3P1/n3K2P/R2P2R1/1Nb3N1 w q - 0 25 ; Best move: b1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at f7 and black pawn at h7. Black pawn at c5, white pawn at e5 and black pawn at g5. White bishop at c4 and white pawn at g4. Black knight at a3, white king at e3 and white pawn at h3. White rook at a2, white pawn at d2 and white rook at g2. White knight at b1, black bishop at c1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 25. White to move.