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KanazawaProblem17

 

Kanazawa Solution 17
   

Authors:
Main line: HashimotoUtaro 9p
Variations: unkx80, DieterVerhofstadt 1k


[Diagram]
Diag.: Main line

White 3 is tesuji.




[Diagram]
Diag.: Wrong

Leaving out the hane enables Black to play hane himself. The most White can get out of it is by starting a (terribly disadvantageous) ko at A.




[Diagram]
Diag.: Wrong (ii)

The throw in at 4 and the atari at 6 will throw the entire black group into a ko.


[Diagram]
Diag.: Wrong (ii) (cont)

If White connects the ko at 3, the atari at 4 blows the eyeshape away. If White doesn't, a Black capture at 3 continues the ko.



[Diagram]
Diag.: Wrong

White 1 here doesn't threaten anything, giving Black the time to falsen an eye at 4.



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