GokyoShumyoSection3Problem63/Solution

[Diagram]

Solution: Ko

[Diagram]

wrong defense

W1 (instead of W5 throw-in) is a mistake. B6 recaptures and kills.

[Diagram]

Failure

B1 is careless. White sacrifices two stones and make life. B1 at B3 is met by White a and the right half of the group escapes.


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