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KanazawaProblem14

 

Kanazawa Solution 14
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Authors:
Main line: HashimotoUtaro 9p
Variations: unkx80 1d*, DieterVerhofstadt 1k

[Diagram]
Diag.: Main line

Black starts by pushing out at 1. Escaping to the center is considered success, so White blocks at 2. The whole thing is a setup to get the hane of 3 in place, before playing the connection of 5. After 9, the vital point, Black has two eyes.


[Diagram]
Diag.: Variation 1 : mistake at 7

The awkward move in this sequence is 7. Suppose Black captures at 1 instead. After White 2, he needs three moves to remove it, and White can create damezumari at 4.



[Diagram]
Diag.: Variation 2: Omitting the push and hane

If Black omits the push and hane (1 and 3 in the main line), and plays at 1, White plays hane at 2. White 4 keeps Black to one eye. Even if Black captures the white stones 2 and 4, he will only get a false eye.



[Diagram]
Diag.: Variation 3: Omitting the push

Starting with the hane at 1 in variation 3 works as well, but White 2 can defend at a instead of d. Compare this with the sequence Black a, White b, Black 1, and Black loses the possibility of cutting at c.



Problem 15
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