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

Author: Keith Hyams

Date: 07:53:03 01/20/06


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



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