1rb1kbn1/pp1pp1p1/n1p2p1r/q2B3p/1P5P/N5PN/P1PPPP2/R1BQK1R1 b Q - 0 8
FEN state: 1rb1kbn1/pp1pp1p1/n1p2p1r/q2B3p/1P5P/N5PN/P1PPPP2/R1BQK1R1 b Q - 0 8 ; Best move: a5d5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7 and black pawn at g7. Black knight at a6, black pawn at c6, black pawn at f6 and black rook at h6. Black queen at a5, white bishop at d5 and black pawn at h5. White pawn at b4 and white pawn at h4. White knight at a3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 8. Black to move.