: ( 222kn)
Black occupies a liberty of White's group at the left, ignoring White's previous peep at the upper edge.

:
As a matter of course, White cuts.

:
Black has to defend against White's cut at .

:
White ignores Black's atari in the lower left.

Connecting at , instead, would be a severe mistake, bringing Black's large group at the right back to life.

At the moment of White's decision point, Black's large group in the upper right will have only six liberties (), and so fall prey to the Punishment Semeai.

White will win the game by a large margin.