r3kbnr/Nbp2ppp/1pn5/3p2B1/1P2Pq2/3P3P/P1P1P1P1/R2QKBNR b KQkq - 0 10
FEN state: r3kbnr/Nbp2ppp/1pn5/3p2B1/1P2Pq2/3P3P/P1P1P1P1/R2QKBNR b KQkq - 0 10 ; Best move: f8b4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. White knight at a7, black bishop at b7, black pawn at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black knight at c6. Black pawn at d5 and white bishop at g5. White pawn at b4, white pawn at e4 and black queen at f4. White pawn at d3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at g2. White rook at a1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.