1rq1kbnr/p1p1p1pp/n2pbp2/1p4P1/1QP5/3P3P/PP2PP1R/RNB1KBN1 b Qk - 1 10
FEN state: 1rq1kbnr/p1p1p1pp/n2pbp2/1p4P1/1QP5/3P3P/PP2PP1R/RNB1KBN1 b Qk - 1 10 ; Best move: a6b4
The current state of the chess board is: Black rook at b8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at d6, black bishop at e6 and black pawn at f6. Black pawn at b5 and white pawn at g5. White queen at b4 and white pawn at c4. White pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside and black kingside castles are available. Half move number is 1. Full move number is 10. Black to move.