IgoHatsuyoRonProblem80/Solution

[Diagram]
Ko  

Quiet B1 is the only way. White's defenses all lead to ko.

[Diagram]
Variation 1  

Note that W6 at a is killed by B7 throw-in !

[Diagram]
Variation 2  
[Diagram]
Variation 3  

IgoHatsuyoRonProblem80/Solution last edited by hnishy on February 1, 2023 - 03:56
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