rn2k1n1/pp2pb2/2pp2N1/1r1qb1Pp/1P3P2/B1P1P3/7P/1R1QKB1R w q - 1 25
FEN state: rn2k1n1/pp2pb2/2pp2N1/1r1qb1Pp/1P3P2/B1P1P3/7P/1R1QKB1R w q - 1 25 ; Best move: g6e5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7 and black bishop at f7. Black pawn at c6, black pawn at d6 and white knight at g6. Black rook at b5, black queen at d5, black bishop at e5, white pawn at g5 and black pawn at h5. White pawn at b4 and white pawn at f4. White bishop at a3, white pawn at c3 and white pawn at e3. White pawn at h2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 25. White to move.