r1bq1br1/pp1ppk1p/3p1p2/5pB1/1n5P/1P6/P1P1PPP1/RN1QKBN1 b Q - 1 11
FEN state: r1bq1br1/pp1ppk1p/3p1p2/5pB1/1n5P/1P6/P1P1PPP1/RN1QKBN1 b Q - 1 11 ; Best move: f6g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at f5 and white bishop at g5. Black knight at b4 and white pawn at h4. White pawn at b3. White pawn at a2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 11. Black to move.