rn2k3/2pq1b2/4pb2/ppnP2Pr/1P3Bpp/P2P1N1B/3N3P/R2QK2R w q - 2 25
FEN state: rn2k3/2pq1b2/4pb2/ppnP2Pr/1P3Bpp/P2P1N1B/3N3P/R2QK2R w q - 2 25 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black knight at b8 and black king at e8. Black pawn at c7, black queen at d7 and black bishop at f7. Black pawn at e6 and black bishop at f6. Black pawn at a5, black pawn at b5, black knight at c5, white pawn at d5, white pawn at g5 and black rook at h5. White pawn at b4, white bishop at f4, black pawn at g4 and black pawn at h4. White pawn at a3, white pawn at d3, white knight at f3 and white bishop at h3. White knight at d2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 25. White to move.