1n2kb1r/1qp1p1pp/8/rN1p1n2/pPbP1N2/B1p2p2/P1P3PP/4KRR1 b - - 1 25
FEN state: 1n2kb1r/1qp1p1pp/8/rN1p1n2/pPbP1N2/B1p2p2/P1P3PP/4KRR1 b - - 1 25 ; Best move: b7b5
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black queen at b7, black pawn at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black rook at a5, white knight at b5, black pawn at d5 and black knight at f5. Black pawn at a4, white pawn at b4, black bishop at c4, white pawn at d4 and white knight at f4. White bishop at a3, black pawn at c3 and black pawn at f3. White pawn at a2, white pawn at c2, white pawn at g2 and white pawn at h2. White king at e1, white rook at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 25. Black to move.