Kanazawa Problem 78 / Attempts

Sub-page of KanazawaProblem78

The attempts on this page are based on a wrong problem statement.

[Diagram]

Attempt 1

-Kungfu

[Diagram]

Attempt 1

Now a and b are now miai to kill White. 7 at 8 - 8 at 7 and it is ko. What about 5 at 6?

[Diagram]

Attempt 1

Becomes seki.

--Dieter

[Diagram]

Another attempt by kungfu

Well, after White 3, I don't see how Black can kill anything. Every move inside I seem to be able to find an answer for and no refutation. Is this the solution? For example:

[Diagram]

Attempt

-Kungfu

--Dieter: Well, I have to check the problem book again. Even simply descending to 3 immediately saves the group. It feels as if there is a superfluous stone, probably the marked one, as unkx80 indicated. My apologies if it turns out to be so.


unkx80: I make the claim because I think I have seen this before somewhere. So I modify the marked stone and present what I think is the solution.

[Diagram]

Solution?

The tesuji is White 1.

[Diagram]

Variation 1.

This lives. I think I have them covered in Beginner Exercise 56 and Beginner Exercise 58.

[Diagram]

Variation 2 (Main Line).

The next tesuji is White 3, sacrificing yet another stone.

[Diagram]

Variation 2a.

[Diagram]

Variation 2b.

[Diagram]

Variation 2c.


This is a copy of the living page "Kanazawa Problem 78 / Attempts" at Sensei's Library.
(OC) 2007 the Authors, published under the OpenContent License V1.0.
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