Author: enrico carrisco
Date: 16:20:46 12/14/05
Go up one level in this thread
On December 14, 2005 at 14:32:59, Vasik Rajlich wrote: >On December 14, 2005 at 14:14:36, enrico carrisco wrote: > >>On December 14, 2005 at 05:30:59, Vincent Lejeune wrote: >> >>>On December 14, 2005 at 05:22:16, Gian-Carlo Pascutto wrote: >>> >>>>On December 14, 2005 at 05:13:48, Joachim Rang wrote: >>>> >>>>>On December 14, 2005 at 05:06:41, Mimic wrote: >>>>> >>>>>>============================================================== >>>>>>Rybka 1.0 Beta 32-bit +282-130=388 59.50% 476.0/800 +66 >>>>>>-------------------------------------------------------------- >>>>>>Fruit 2.2.1 +130-282=388 40.50% 324.0/800 -66 >>>>>>============================================================== >>>>>> >>>>>> Games Rybka >>>>>>======================== >>>>>> 100 +31 >>>>>> 200 ----- +33 >>>>>> 300 +50 >>>>>> 400 ----- +50 >>>>>> 500 +53 >>>>>> 600 ----- +60 >>>>>> 700 +63 >>>>>> 800 ----- +66 >>>>>>======================== >>>>>> >>>>>>Pentium M Dothan 2.52Ghz >>>>>>32MB Hash >>>>>>No EGTB >>>>>> >>>>>>Mimic >>>>> >>>>>has Rybka some hidden learning? The steady increase of the rating difference is >>>>>surprising. >>>> >>>>The rating difference didn't increase, just the plus score. (And it wasn't >>>>steady, either) >>>> >>>>-- >>>>GCP >>> >>> >>>No, +66 is the rating difference, not the score difference. >>> >>>Surprisingly it doubled between 200 and 800 games... >>>Who know it will be after 1200 games ... >> >>Rybka scores SIGNIFICANTLY better (15-20%+) vs. a given opponent (Fruit 2.2.1 in >>this case) in an engine-engine match than it will in a tournament style match >>with MORE than two engines (i.e. engines being routinely loaded and unloaded.) >> >>Try it yourself. >> >>Regards, >> >>-elc. > >There is no learning or opponent recognition in Rybka, so this observation is >likely an anomaly. > >The only other explanation is that the opponents are "learning" :) > >Vas Hello Vasik. That's very interesting then... I will do some more tests and see if this continues (as well as check the results of others that test but do not post here.) So far I have 4 tournaments (at least 3 engines inlcuding Rybka) with 126 games each tournament and 5 engine vs. engine matches (also 126 games each) and Rybka's percentage against the same opponents in the tournament are better (by at least 15%) when it is engine vs. engine only. Hopefully continuing the matches will break the anomaly. :) Regards, -elc.
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