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Re: [gnugo-devel] gnugo weirdness

From: Gunnar Farnebäck
Subject: Re: [gnugo-devel] gnugo weirdness
Date: Tue, 16 May 2006 14:10:57 +0200
User-agent: EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/21.3 (sparc-sun-solaris2.9) MULE/5.0 (SAKAKI)

Hena wrote:
> Im new to the list and could not find any proper policy on how to apply 
> bug reports to the list (maybe i'm blind).

Just sending them here is fine. Even better is to post them as tickets
at In neither case there's any guarantee that
they will be fixed or even responded to quickly but in the latter case
they will at least not be easily forgotten.

> But i have few bugs that 
> i bumped into. these occure in the cvs version.
> I have links to the sgf's
> these are prolly the same bug

Looks like a semeai mistake, trying too hard to kill white. But I fail
to reproduce it by just loading the position.


At move 45 there's a problem with semeai reading related to the
question whether running away with a tail of a dragon should count as
a success. (

The mistake at move 49 is caused by a bad interaction between tactical
reading and owl (life and death) reading. This might require some
redesign of the owl reading to solve.

> also, this seems to apply to some life and death logic also but is 
> a bit funnier :)

This is fixed by the patch gunnar_7_10.12 attached to


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