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KanazawaProblem80

 

Kanazawa Problem 80 / Hint
Sub-page of KanazawaProblem80

[Diagram]
Black to live

The shape can be reduced to the circled stones forming an L group, which is normally dead. However, one of the variations that prove the L group to be dead, fails because of the cutting point a and the presence of the squared stone.



This is a copy of the living page "Kanazawa Problem 80 / Hint" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.