: ( 648nf)
Black plays geta in the corner

:
White gives atari at the right.

:
Black has to capture.

:
White starts a series of atari that wins her the fight in the corner, killing Black's entire group.
Please note that White will not need to capture the hanezeki's tail any longer, so Black's large group in the upper right is also dead as it stands.

White will win the game by a very large margin.