rn2kbnr/pb1pp1p1/1pB2p2/2P5/PP2P1pP/q7/3P1P2/RNBQK1NR b KQkq - 0 10
FEN state: rn2kbnr/pb1pp1p1/1pB2p2/2P5/PP2P1pP/q7/3P1P2/RNBQK1NR b KQkq - 0 10 ; Best move: a3a1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at b6, white bishop at c6 and black pawn at f6. White pawn at c5. White pawn at a4, white pawn at b4, white pawn at e4, black pawn at g4 and white pawn at h4. Black queen at a3. White pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, 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.