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Re: [gnugo-devel] "local" Go games

From: Evan Daniel
Subject: Re: [gnugo-devel] "local" Go games
Date: Sun, 12 Sep 2004 21:04:56 -0400

On Sun, 12 Sep 2004 17:24:17 -0700 (PDT), Eric <address@hidden> wrote:
> --- Martin Girard <address@hidden> wrote:
> > GNU Go's moves are utterly inconsistent. I doubt it
> > even takes the
> > whole board into consideration before making a
> > decision. Tell me if I'm
> > wrong.
> Yea, that's what I thought too!
> When you're matching patterns they are < 19x19, right?
> So it's just that you get the *effect* of considering
> the whole board, due to first considering "candidate"
> moves that were generated with local, as opposed to
> global, board information.
> An alternative way to view it is that each candidate
> move can be thought of as the result of considering
> the "local game" which can be played using the local
> board.
> But when I suggest to use a planner to consider these
> local games on the local game boards, I am told that
> you cannot subdivide the global board.

No, there's a difference.  If you cut down the board too much, you
can't solve the local game.  You can, however, find moves that tend to
be worth considering from a global perspective, or semi-local
perspective (eg owl reading), even though you can't get definitive
answers.  If, however, you cut down the game only somewhat, you can
get correct answers (in some cases, anyway, like some endgame

Evan Daniel

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