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Re: [gnugo-devel] trevor_3_12.6 (tuning)

From: Gunnar Farneback
Subject: Re: [gnugo-devel] trevor_3_12.6 (tuning)
Date: Fri, 15 Nov 2002 17:24:14 +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)

Arend wrote:
> > > +; lib(B)>1 || !oplay_attack(*,a,B,*)
> >
> > This pattern looks slightly bogus. The liberty constraint makes little
> > sense since the only unknown liberty is the lower left x in the
> > pattern; better not to have a wildcard there. Besides, as written it
> > doesn't match the referenced position and the reading constraint tries
> > to play on top of an existing stone.
> I think you misread "||" as "&&".

Ouch, yes, indeed. My bad.

> However, shouldn't finding the move "*" rather be the job of the optics
> code? (I don't know.)

Currently the optics code isn't involved with lunches at all, which I
consider a weakness. My long term plans for the optics code include a
change of this. Whether it should be able to handle this case I'm not


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