1nbqkbr1/rppp2p1/p3p2p/3n4/4Pp1P/NP1P3N/PBPQ1PPR/R2K1B2 b - - 8 10
FEN state: 1nbqkbr1/rppp2p1/p3p2p/3n4/4Pp1P/NP1P3N/PBPQ1PPR/R2K1B2 b - - 8 10 ; Best move: f8b4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at a6, black pawn at e6 and black pawn at h6. Black knight at d5. White pawn at e4, black pawn at f4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at d3 and white knight at h3. White pawn at a2, white bishop at b2, white pawn at c2, white queen at d2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 8. Full move number is 10. Black to move.