1rb2bnr/pppk1ppp/4p2q/3p4/1n2PP2/1P1B2P1/P1PP3P/RNBQKR2 b Q - 0 9
FEN state: 1rb2bnr/pppk1ppp/4p2q/3p4/1n2PP2/1P1B2P1/P1PP3P/RNBQKR2 b Q - 0 9 ; Best move: b4d3
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at e6 and black queen at h6. Black pawn at d5. Black knight at b4, white pawn at e4 and white pawn at f4. White pawn at b3, white bishop at d3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 9. Black to move.