r1b5/p1p1np1r/q4n1k/RB2Q1Np/4p3/N4R2/2PP2PP/2B1K3 w - - 0 25
FEN state: r1b5/p1p1np1r/q4n1k/RB2Q1Np/4p3/N4R2/2PP2PP/2B1K3 w - - 0 25 ; Best move: a5a6
The current state of the chess board is: Black rook at a8 and black bishop at c8. Black pawn at a7, black pawn at c7, black knight at e7, black pawn at f7 and black rook at h7. Black queen at a6, black knight at f6 and black king at h6. White rook at a5, white bishop at b5, white queen at e5, white knight at g5 and black pawn at h5. Black pawn at e4. White knight at a3 and white rook at f3. White pawn at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White bishop at c1 and white king at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 25. White to move.