r1bqkb1r/1pppppp1/p1n4p/3P2P1/2P1Q3/7P/PP1KP3/RNB2BNR b kq - 0 10
FEN state: r1bqkb1r/1pppppp1/p1n4p/3P2P1/2P1Q3/7P/PP1KP3/RNB2BNR b kq - 0 10 ; Best move: c6a5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black knight at c6 and black pawn at h6. White pawn at d5 and white pawn at g5. White pawn at c4 and white queen at e4. White pawn at h3. White pawn at a2, white pawn at b2, white king at d2 and white pawn at e2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.