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KanazawaProblem42

 

Kanazawa Solution 42
   

[Diagram]
Diag.: White to live

White1 is the VitalPoint here, making eyes at the marked points. If Black captures two stones ...


[Diagram]
Diag.: White to live

... White recaptures and her eyes are still real ones.


[Diagram]
Diag.: Failure

It is tempting to protect two stones, but Black will block at A or B. White can at most extend to 6 stones on the second line, and as we know "Six die but Eight live".



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