Many Faces uses information from the static evaluator to order and prune moves during move generation. For example if the evaluation finds a big unsettled group, the move generator will favor eye making or escaping moves for the big group.
David > -----Original Message----- > From: computer-go-boun...@computer-go.org [mailto:computer-go- > boun...@computer-go.org] On Behalf Of George Dahl > Sent: Tuesday, February 17, 2009 10:14 AM > To: computer-go > Subject: Re: [computer-go] Re: static evaluators for tree search > > I am aware such a decoupled program might not exist, but I don't see > why one can't be created. When you say the "move generator has to be > very disciplined" what do you mean? Do you mean that the evaluator > might be used during move ordering somehow and that generating the > nodes to expand is tightly coupled with the static evaluator? > - George > > On Tue, Feb 17, 2009 at 12:55 PM, Dave Dyer <dd...@real-me.net> wrote: > > > > While your goal is laudable, I'm afraid there is no such thing > > as a "simple" tree search with a plug-in evaluator for Go. The > > problem is that the move generator has to be very disciplined, > > and the evaluator typically requires elaborate and expensive to > > maintain data structures. It all tends to be very convoluted and > > full of feedback loops, in addition to the actual alpha-beta which > > is trivial by comparison. > > > > If you look at GnuGo or some other available program, I'm pretty sure > > you'll find a line of code where "the evaluator" is called, and you could > > replace it, but you'll find it's connected to a pile of spaghetti. > > > > _______________________________________________ > > computer-go mailing list > > computer-go@computer-go.org > > http://www.computer-go.org/mailman/listinfo/computer-go/ > > > _______________________________________________ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
