Qnbqkb1r/2pnpp2/p2p2pp/1B6/8/p3P3/1PPP1PPP/RNB1K1NR b k - 0 10
FEN state: Qnbqkb1r/2pnpp2/p2p2pp/1B6/8/p3P3/1PPP1PPP/RNB1K1NR b k - 0 10 ; Best move: a6b5
The current state of the chess board is: White queen at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black knight at d7, black pawn at e7 and black pawn at f7. Black pawn at a6, black pawn at d6, black pawn at g6 and black pawn at h6. White bishop at b5. Black pawn at a3 and white pawn at e3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.