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KanazawaProblem75
HikaruProblem1

 

Kanazawa Solution 75
Path: KanazawaSolutions   · Prev: KanazawaSolution74   · Next: KanazawaSolution76
    Keywords: Problem

Main line: HashimotoUtaro
Variations: Dieter


[Diagram]
Main line

By the way, W5 is the famous move Sai immediately spots at a children's tournament in HikaruNoGo chapter 3.


[Diagram]
Continuation

If Black protects his stone, White captures three to make an eye.



Variations

[Diagram]
Variation at 6

If Black destroys an eye at B1, White surprisingly makes one at W2.


[Diagram]
Variation (ii) at 6

If B3 here, W4 connects and captures because of shortage of liberties.


[Diagram]
Variation (iii) at 6

This way variation (i) still holds its own.


[Diagram]
Variation at 4

Maybe this is a ridiculous variation but I couldn't help wondering what happens when Black takes that marvelous 1-2 point himself.


[Diagram]
Variation at 2

Anyone?

Nando: Well, I gave it a shot and couldn't find a way to unconditional life for White after B2 in this diagram, my best result being ko.



By the way Dieter, I totally agree with what you said at the bottom of the tsumego page. I figured a lot of variations starting with that diagram, and although I didn't succeed in solving the problem, I feel that I've learned quite a lot about shape and the special properties of the corner.




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This is a copy of the living page "Kanazawa Solution 75" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.