r1k4r/pb2qp2/nbp5/Pp1PP2p/1P1P2nP/3B1KBN/3N2P1/6RR w - - 4 25
FEN state: r1k4r/pb2qp2/nbp5/Pp1PP2p/1P1P2nP/3B1KBN/3N2P1/6RR w - - 4 25 ; Best move: d3f5
The current state of the chess board is: Black rook at a8, black king at c8 and black rook at h8. Black pawn at a7, black bishop at b7, black queen at e7 and black pawn at f7. Black knight at a6, black bishop at b6 and black pawn at c6. White pawn at a5, black pawn at b5, white pawn at d5, white pawn at e5 and black pawn at h5. White pawn at b4, white pawn at d4, black knight at g4 and white pawn at h4. White bishop at d3, white king at f3, white bishop at g3 and white knight at h3. White knight at d2 and white pawn at g2. White rook at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 25. White to move.