rnb1qbnr/p1pppkpp/5p2/1p6/4PP1N/1PP5/P2P2PP/RNBQKBR1 b Q - 0 7
FEN state: rnb1qbnr/p1pppkpp/5p2/1p6/4PP1N/1PP5/P2P2PP/RNBQKBR1 b Q - 0 7 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at f6. Black pawn at b5. White pawn at e4, white pawn at f4 and white knight at h4. White pawn at b3 and white pawn at c3. White pawn at a2, white pawn at d2, white pawn at g2 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, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 7. Black to move.