GokyoShumyoSection2Problem58/Solution

[Diagram]

White kills

Order of play is important here.

[Diagram]

Wrong order

B4!, threatening a cut at a, leads to ko.

[Diagram]

Variation

W5 here leads to an interesting shape.

[Diagram]

Eventually....

After Black capturing the four stones, ko for life starts. White needs one more approach move after connecting to force Black to capture the four stones.


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