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KanazawaProblem17

 

Kanazawa Solution 17
Path: KanazawaSolutions   · Prev: KanazawaSolution16   · Next: KanazawaSolution18
    Keywords: Problem

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

[Diagram]
Main line

White 3 is tesuji.



[Diagram]
Wrong

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



[Diagram]
Wrong (ii)

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


[Diagram]
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]
Wrong

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



Go to Problem 18
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This is a copy of the living page "Kanazawa Solution 17" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.