Gokyo Shumyo, Section 2, Problem 26 / Attempts

[Diagram]

Solution

blackman: I think this is a difficult problem. Black can play 'a','b' or 'c'.

[Diagram]

Black plays at 'a'

blackman: Black is dead.

[Diagram]

Black plays at 'b'

blackman: W4 at W2 and Black is left with a dead shape.

[Diagram]

Black plays at 'c'

blackman: This is a bit tricky, White should play W2.

[Diagram]

Continuation

blackman: Black is dead again.


[Diagram]

Solution 2

blackman: Black can play B1 too.

[Diagram]

Continuation

blackman: Black is dead.


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Alive?

unkx80: I would thought that B4 can live unconditionally.

[Diagram]

Dead?

unkx80: Therefore, the solution may well be to play W3 directly.

[Diagram]

Black is dead

blackman: Yes, you are right. I think it goes like this, W7 at W5, and Black is dead.


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(OC) 2011 the Authors, published under the OpenContent License V1.0.
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