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Re: [gnugo-devel] games against 3.3.16
From: |
SP LEE |
Subject: |
Re: [gnugo-devel] games against 3.3.16 |
Date: |
Tue, 17 Jun 2003 13:43:17 -0700 |
> SP Lee wrote:
> > You are right. The J pattern set the minimum value of this move to 35.
> > I would modify the move valuation in this case, thus if a dragon is in
> > critical condition, trust OWL analysis instead of the Joseki moves
> > unless OWL analysis doesn't have any result.
>
> I don't think this is a feasible approach. Which dragons should we
> care about? How large do they have to be? Joseki moves are usually
> joseki for a reason, e.g. sacrificing some stones in exchange for
> outside influence.
>
> The proper solution is to revise or remove bogus joseki patterns. It
> is valuable to know that the pattern databases have evolved over a
> long time and some patterns are remnants from a time when the GNU Go
> engine in all ways was much more crude than it is today. While a
> pattern like EJ61 may have been necessary at some time I'm fully
> convinced that GNU Go today can find and properly evaluate such moves
> by other means. After removing EJ61, N18 in this position is valued
> -0.84, which seems about right.
>
> /Gunnar
>
>
Good. I hope gnugo can find this Joseki by other means in other cases. Actually
there are 7 choices after hane (*) near the edge.
O.XO?
?X*ef
?abcd
Of course, the most often used moves are e,f and c. Just hope gnugo can see all
the possibilities.
SP Lee
- [gnugo-devel] games against 3.3.16, bump, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, SP LEE, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, Arend Bayer, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, SP LEE, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, SP LEE, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, Gunnar Farneback, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16,
SP LEE <=
- Re: [gnugo-devel] games against 3.3.16, Arend Bayer, 2003/06/17
- Re: [gnugo-devel] games against 3.3.16, Heikki Levanto, 2003/06/18
- Re: [gnugo-devel] games against 3.3.16, Arend Bayer, 2003/06/18