: ( 522)
White takes a liberty of Black's group in the lower right corner, and will win the semeai in the right half of the board eventually.
:
Black captures the entire White group on the left side that can only build one (very big) eye, due to the Nakade Sequence that is shown in the Main Path of our solution.
:
White lives in the lower right corner, so capturing all of Black's stones on the right side of the board.
:
There are many dead stones ( / ) on the board, but the larger left side wins Black the game.