rn1B1kr1/3b4/3p4/ppp2pp1/1P1PPPPp/7P/P1N2K2/2R1NB1R b - - 1 25
FEN state: rn1B1kr1/3b4/3p4/ppp2pp1/1P1PPPPp/7P/P1N2K2/2R1NB1R b - - 1 25 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black knight at b8, white bishop at d8, black king at f8 and black rook at g8. Black bishop at d7. Black pawn at d6. Black pawn at a5, black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at b4, white pawn at d4, white pawn at e4, white pawn at f4, white pawn at g4 and black pawn at h4. White pawn at h3. White pawn at a2, white knight at c2 and white king at f2. White rook at c1, white knight at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 25. Black to move.