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KanazawaProblem26

 

Kanazawa Solution 26
   

[Diagram]
Diag.: White lives

[Diagram]
Diag.: Main line

The tesuji here is White 3. After White 9, Black can't create a dead shape with A, because he is in damezumari. Note what a difference a black stone on the marked point would make.


[Diagram]
Diag.: Variation 1

White has to be careful answering 4 at 5 and not at 7. The strength of 3 is precisely that it already prevents the connection underneath.


[Diagram]
Diag.: Variation 2

Answering 4 at 5 is the only move. It appears as if White can falsen the eye after this sequence by throwing in again at 8, but White will simply connect at A.


[Diagram]
Diag.: Variation 3

[Diagram]
Diag.: Variation 3


There are many ways for White to go wrong. Let's assume she takes 1 as the obvious move, but fails to see the tesuji of 3 in the main line.


[Diagram]
Diag.: Wrong 1

Black's hane produces a ko




[Diagram]
Diag.: Wrong 2

Black kills with the same hane.



Problem 27
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