r1b1kbnr/1pq3pp/p2pB3/1P2pP1P/8/2P3N1/PQ1P1PP1/RNB1KR2 b Q - 0 23
FEN state: r1b1kbnr/1pq3pp/p2pB3/1P2pP1P/8/2P3N1/PQ1P1PP1/RNB1KR2 b Q - 0 23 ; Best move: g8f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and white bishop at e6. White pawn at b5, black pawn at e5, white pawn at f5 and white pawn at h5. White pawn at c3 and white knight at g3. White pawn at a2, white queen at b2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, 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 23. Black to move.