r1bk1r2/pq1p1Pb1/1n4pp/1ppn4/P7/2P1PP1B/3N3P/R1BNK2R w KQ - 1 25
FEN state: r1bk1r2/pq1p1Pb1/1n4pp/1ppn4/P7/2P1PP1B/3N3P/R1BNK2R w KQ - 1 25 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at f8. Black pawn at a7, black queen at b7, black pawn at d7, white pawn at f7 and black bishop at g7. Black knight at b6, black pawn at g6 and black pawn at h6. Black pawn at b5, black pawn at c5 and black knight at d5. White pawn at a4. White pawn at c3, white pawn at e3, white pawn at f3 and white bishop at h3. White knight at d2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 25. White to move.