Gokyo Shumyo Section 2 Problem 29 / Attempts

[Diagram]
Black to live  

Anonymous: I think I got it.

[Diagram]
Black to live  

Anonymous: And on a second thought.. It seems to be trickier than I expected. Maybe we should move these to the Attempts page.


[Diagram]
Black to live  

Bill: The under the stones play is quite interesting. However, after W5 in the first diagram above, can't Black live this way?

Anonymous: Hmm, I have to look at it again :)


[Diagram]
White to kill  

Bill: Here is a simpler solution that I have seen.

fractic: Why is black playing first now Bill?

Bill: Hehe. ;)

[Diagram]
 

Anonymous: How can white kill unconditionally if black plays here now? I see a ko.

[Diagram]
 

jms: I don't see the ko. W can play W2 in response to B1 and B is unconditionally dead. Following the sequence up to W6, then 'a' and 'b' are maiai. If B3 @ B5, then W4 @ B3 has the same result. If B3 @ 'a' instead, then W4 @ B5 does the trick.

[Diagram]
Black to live  

I think B is dead after W throws in at 7


Gokyo Shumyo Section 2 Problem 29 / Attempts last edited by 46.166.138.142 on November 15, 2016 - 06:44
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