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Re: [gnugo-devel] owl problem 21

From: Gunnar Farneback
Subject: Re: [gnugo-devel] owl problem 21
Date: Fri, 12 Oct 2001 17:04:53 +0200
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)

Trevor wrote:
> # incident 131
> loadsgf games/incident121.sgf 110
> 20 owl_attack B3
> #? [1 E2]
> 21 owl_defend B3
> #? [1 F2]
> Looks to me like D2 will also defend the B3 group.  It's less
> optimal, but does live.  Is the owl code expected to get the
> optimal move, or just any move?

>From a regression point of view, just any working move is okay. In
practice it's a bit more complex. Some effort is made to find
alternative owl attacks/defenses to choose from, but the chances that
GNU Go plays the right move are definitely improved if the owl code
comes up with a good move to begin with.

> (Some pattern changes I've made caused GG to prefer D2...  Working 
> on Gunnar's exercises :-)

Good luck. :-)


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