1r4nr/B1p1q1pp/p1kb4/1p1pp3/1Pb1P3/P2PKQ1P/N1P2PP1/R4BNR b - - 4 25
FEN state: 1r4nr/B1p1q1pp/p1kb4/1p1pp3/1Pb1P3/P2PKQ1P/N1P2PP1/R4BNR b - - 4 25 ; Best move: b8f8
The current state of the chess board is: Black rook at b8, black knight at g8 and black rook at h8. White bishop at a7, black pawn at c7, black queen at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black king at c6 and black bishop at d6. Black pawn at b5, black pawn at d5 and black pawn at e5. White pawn at b4, black bishop at c4 and white pawn at e4. White pawn at a3, white pawn at d3, white king at e3, white queen at f3 and white pawn at h3. White knight at a2, white pawn at c2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 25. Black to move.