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Subject: Re: Rybka 1.0 Beta 32-bit (40'/40) After 650 games (Match vs Pro Deo 1.1

Author: Vasik Rajlich

Date: 02:40:42 12/24/05

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On December 24, 2005 at 04:24:20, Heinz van Kempen wrote:

>>The endgame knowledge in Rybka is very good.  The claim of no endgame knowledge
>>was just easier than explaining the distance to mate bug.  I think fixing the
>>bug will help some but not as much as people think.
>>
>>Ryan
>
>Hi Ryan,
>
>my impression from watching games is also that the endgame knowledge is already
>good. So I am basing on the claim by Vasik that here many things have to be
>improved still.
>
>About improvement I do not have a concrete guess, I only start to ask myself
>generally where the limits are. ELO 3200? No limit at all?
>
>Best Regards
>Heinz

Rybka 1.0 doesn't have any special endgame heuristics. This can be easily fixed.
If I had to make an ELO guess, I'd go with something like 50.

A tougher problem for me is endgame search. I'm a little afraid that my approach
to searching doesn't really translate to endgames and that Rybka will always be
outsearched there a bit. This is a project for a later time.

Vas




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