rnb2b1r/2pp1ppp/1p1k4/4pPq1/1p2P1nP/2PB3N/P1QP2PR/RNB1K3 b Q - 1 10
FEN state: rnb2b1r/2pp1ppp/1p1k4/4pPq1/1p2P1nP/2PB3N/P1QP2PR/RNB1K3 b Q - 1 10 ; Best move: g5h4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black king at d6. Black pawn at e5, white pawn at f5 and black queen at g5. Black pawn at b4, white pawn at e4, black knight at g4 and white pawn at h4. White pawn at c3, white bishop at d3 and white knight at h3. White pawn at a2, white queen at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 10. Black to move.