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Re: [gnugo-devel] Tripod group
From: |
Gunnar Farneback |
Subject: |
Re: [gnugo-devel] Tripod group |
Date: |
Sun, 08 Dec 2002 01:12:46 +0100 |
User-agent: |
EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/20.7 (sparc-sun-solaris2.7) (with unibyte mode) |
Dan wrote:
> I'm wondering if ld_owl:151 is correct.
>
> Here's the position.
>
> +-----------
> |..*........
> |...X.......
> |.XXOOOOO...
> |..OO.......
> |..O........
> |..O........
> |..O........
>
> Surprising, but it seems to me that an attack by O at C19
> can produce at least a ko.
>
> [...]
>
> I can't find anything better than ko for black.
>
> Am I missing something?
Yes, the tripod group is alive. :-)
See ld_owl:191-193 for the continuation. One variation ends in life in
double ko.
/Gunnar