KyuExercise109/Solution

Sub-page of KyuExercise109
[Diagram]

Solution: Ko

White takes first. B4 at W5 is killed by W5 cut at B6.

[Diagram]

Variation

W1 here is slightly different.

[Diagram]

Continued: Ko

Black takes first.

[Diagram]

Failure

W1 and W3 allow Black to make life (W5 at B6 is met by B6 at W5). In practice, this sente capture may be preferable to ko depending on ko threat situations.


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