303

: ( 91)
Black plays from the right first.

, :
With this combination, Black tries to get a more solid shape in the upper left.

:
Black now blocks directly, and simultaneously takes one of White's liberties.

:
It seems strongest to answer from below.

:
White gets the hane on the upper edge, which will help her a lot eventually.

:
We suppose that there are other sequences available for Black. But none of these will resolve his problems with approaching White's centre group from the left.

Ko: ;

:
White pre-empts several of Black's potential ko-threats against her group on the left side.

Ko: ; ; ; ; ;

:
White would lose the semeai, if she captured at , instead.

:
This move does not contain any immediate threat, but will win the game for White.

, :
Black must not allow White to recapture the ko on the right, so he is unable to answer White's moves locally.

:
White's forth move in a row kills Black's large group on the left side, therewith winning the game. Black is unable to get two eyes; this will be shown in more detail in the following sub-variation.