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Re: [gnugo-devel] News from the olympiad
From: |
Gunnar Farnebäck |
Subject: |
Re: [gnugo-devel] News from the olympiad |
Date: |
Thu, 29 Jul 2004 04:11:36 +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) |
Arend wrote:
> > # GNU Go would have much easier games if it chose to block with J12
> > # in positions like this.
> > loadsgf games/olympiad2004/19x19/gnu-ind.sgf 109
> > ??? reg_genmove black
> > #? [J12]
>
> Not sure I agree here. L13 is sente and the difference of not playing it
> is too big to just give it away.
> If GNU Go would play L11 next move, the capture would be clean. And of
> course it has several chances later...
Ok, maybe better skip this test. I'm sure there are other games where
similar problems can be found, which may be more clear-cut.
> How about:
>
> loadsgf games/olympiad2004/19x19/gnu-ind.sgf 237
> ??? reg_genmove black
> #? [A7]
>
> This makes black alive locally.
No, it doesn't. White answers with the B6 atari and black doesn't have
liberties enough to connect at A5. The only option is to start a ko
with A6 but even if white doesn't want to play the ko he can just play
A1 to capture three stones and make a second eye, living in sente.
/Gunnar
- Re: [gnugo-devel] News from the olympiad, (continued)
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/04
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/04
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/04
- Re: [gnugo-devel] News from the olympiad, jan . villemson, 2004/07/05
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/05
- Re: [gnugo-devel] News from the olympiad, jan . villemson, 2004/07/06
- [gnugo-devel] More news from the olympiad, jan . villemson, 2004/07/06
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/09
- Re: [gnugo-devel] News from the olympiad, Gunnar Farnebäck, 2004/07/25
- Re: [gnugo-devel] News from the olympiad, Arend Bayer, 2004/07/28
- Re: [gnugo-devel] News from the olympiad,
Gunnar Farnebäck <=
- Re: [gnugo-devel] News from the olympiad, Arend Bayer, 2004/07/31