1nb3nr/rp1p1k2/q3pb2/2p3Pp/B2P1pP1/2P2P2/P3Q3/RNB2KNR w - - 0 25
FEN state: 1nb3nr/rp1p1k2/q3pb2/2p3Pp/B2P1pP1/2P2P2/P3Q3/RNB2KNR w - - 0 25 ; Best move: a4b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at d7 and black king at f7. Black queen at a6, black pawn at e6 and black bishop at f6. Black pawn at c5, white pawn at g5 and black pawn at h5. White bishop at a4, white pawn at d4, black pawn at f4 and white pawn at g4. White pawn at c3 and white pawn at f3. White pawn at a2 and white queen at e2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 25. White to move.