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Subject: Re: Rybka 1.01Beta 11 vs Rybka 1.01Beta10d Bullet results

Author: James T. Walker

Date: 08:13:44 01/20/06

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On January 20, 2006 at 10:53:03, Keith Hyams wrote:

>First of all - Please don't write back disparaging comments sbout the value of
>bullet games because you will only make me cry!
>
> Just because the 1 min per game + 1 sec per move is a stupid time limit for
>games  between humans it may have well have uses for engine testing.
>
>114 games properly controlled Rybka: 1.01Beta 11 scored +22=54-38. The match was
>stopped here because, under the above conditions, the chances of beta 11 being
>stronger is no more than 8%.
>
>The 32 bit .exe file was used. The results may be skewed because of the CPU, a
>Celeron 2.7GHz with 128kb l2 cache. Rybka runs like a 3 legged horse on these,
>possibly because the large size of .exe completely fills the cache and goes into
>slower RAM. Rybka1.01Beta11 is much larger than Beta10 and so this may be having
>an effect.
>                                   Keith

I don't play Rybka vs Rybka games but I can tell you that after only 134 games
of 5/0 by Beta 11 it is within 5 Elo of Beta 10d.  So far it has only played
Fritz 8 and Fruit 2.2.1.  Many more games to come.
Jim



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