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Re: [Bug-gnubg] gnubg defends poorly against outer primes

From: Øystein Johansen
Subject: Re: [Bug-gnubg] gnubg defends poorly against outer primes
Date: Sun, 23 Nov 2003 21:43:06 +0100
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.2.1) Gecko/20021130

Misja Alma wrote:


Thanks for your observations. We're aware of the bad evaluations of outside primes, but these kind of positions are extreamly hard to train. I don't think JellyFish does thes kinds of positions any better, and maybe not even Snowie. This is still a weak point of most bots. Thanks anyway.

..... I read in your excellent manual that ......

Excellent manual? Where? Which manual are you talking about? ;-)

PS: importing the rollout trials into Snowie was quite a hassle,
> because the JellyFish .gam format does not support games which
> do not start from the initial position. So I had to create a
fake start of the game where finally my position would come up,
> and this start I had to paste at the start of every saved
> rollout trial.

Pasting in a fake start could be a simple solution with some scripting, however I really believe JellyFish .gam format do support positions in the game line, but I'm not sure if Snowie can import .gam files with positions in it. (At least I don't think GNU backgammon can handle positions in .gam files.)

Maybe someone can work out the format based on the last game of this match:

As far as I can see the only solution would be to implement an
> export to Snowie format? I read in an earlier post that Snowie
> .swm format is just a zipped Paradox database. So I tried to unzip
> such a file and open it in MS Access, but this gave an error message.
    So does anybody know which kind of a Paradox database this is?
> Then I could perhaps make an attempt to write an export/ import
> function in Delphi..

It would be excellent if someone can work this out. I'm not sure if anyone have tried this seriously, but I think it will be a hard and a time consuming task.

Hei og hopp!

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