: ( 371)
Black chooses the wrong order of ko-threats in the hanezeki.

:
Now, White an own ko-threat in the hanezeki available - the forcing move of .

:
In principle, we now have a similar situation as with the variation shown before ( 374). But Black has no suitable ko-threats left.

In Black threatens to live in the top right, with a move at , White will capture the top left corner with a move at , and win on territory.
If Black plays a larger ko-threat, like , White probably could win by answering at , too. However, it might be safer for her to answer at , thereafter following the main line of this sub-variation. Black lost an important liberty with his move at , so White will win with ease.