2bqkb1r/r1p1p1pp/2np1p1n/1p6/2N1P3/pPNB1P2/P1PP2PP/R1BQK2R b KQk - 1 10
FEN state: 2bqkb1r/r1p1p1pp/2np1p1n/1p6/2N1P3/pPNB1P2/P1PP2PP/R1BQK2R b KQk - 1 10 ; Best move: b5c4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at d6, black pawn at f6 and black knight at h6. Black pawn at b5. White knight at c4 and white pawn at e4. Black pawn at a3, white pawn at b3, white knight at c3, white bishop at d3 and white pawn at f3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 1. Full move number is 10. Black to move.