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Re: [Bug-gnubg] gnubg - bgblitz (1st match)

From: Achim Mueller
Subject: Re: [Bug-gnubg] gnubg - bgblitz (1st match)
Date: Thu, 11 Dec 2003 16:37:18 +0100
User-agent: Mutt/1.5.4i

* Ian Shaw wrote on 11 Dez 2003:

> Have you noticed that the point numbers are wrong? The home board is on
> the left hand side.

Yep, corrected, but we still have to look for a better solution.
Same may happen again, when other want to publish something here.
You also have to change the default path to html-images (at home
pc), it has to fit with the path at www.gnubg.org

> The results from the Game 4 (cube action in holding game) are
> interesting. Gnubg reports a higher cubeless equity than Snowie, yet
> calls it a No Double. Which MET did gnubg use? Myself, I go for
> double/take. Gnubg has a big race lead, but with the open 4-point and
> 14-point instead of 13-point to clear,  I think BGBlitz has a take
> despite the slight structural weakness.

I used woolsey.met.

> Game 7, the blitz, I was very surprised to see No Double come out of
> gnubg's rollouts. With 2 on the bar I'd certainly cube and expect to get
> a number of passes.
> Game 9 BGBlitz to play 51. I think the idea of these multi-slotting
> plays is that your opponent isn't likely to leave a shot soon, so you
> spread out in order to have the best board in a few rolls time, when
> getting a shot is more likely. I'm never quite sure about doing it
> myself. I tried it at the weekend, and my opponent promptly ran,
> volunteering a shot. 

Yep, that was also my first thought ... this can't be right, but it
is astonishing, that all bots prefer this or have it at least within

> Game 9 cube action. I would have waited to come down to 2 men on the
> midpoint before doubling this. Perhaps I'm too conservative, but two of
> White's best numbers, 22 and 44, don't tidy up nearly as well with three
> on the midpoint. Not to mention that 66 also fails to clear against a
> bar-point game.

I don't know whether there are already some reference rollouts
available for these kind of holding games (I bet there are), but I
would like to take a deeper look on this kind of positions.

> For us non-German speakers, what does " Wurfelaktion: Doppeln /
> Ablehnen" mean? Did BGBlitz pass?


achim mueller, anne-frank-str. 25, D-48431 rheine
+49 (0)5971 83767, +49 (0)163 8458340
pgp/gnupg key: 1024D/5DF3A722 (wwwkeys.de.pgp.net)

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