rnb2br1/p1pp1kpp/8/1pq1pp1n/1P1P4/N3PP1P/P5P1/R1BQKBNR b KQ - 0 10
FEN state: rnb2br1/p1pp1kpp/8/1pq1pp1n/1P1P4/N3PP1P/P5P1/R1BQKBNR b KQ - 0 10 ; Best move: c5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at b5, black queen at c5, black pawn at e5, black pawn at f5 and black knight at h5. White pawn at b4 and white pawn at d4. White knight at a3, white pawn at e3, white pawn at f3 and white pawn at h3. White pawn at a2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 10. Black to move.