Author: Uri Blass
Date: 11:51:01 08/30/04
Go up one level in this thread
On August 30, 2004 at 13:51:48, Robert Hyatt wrote: >On August 30, 2004 at 12:24:54, Volker Böhm wrote: > >>On August 30, 2004 at 10:02:54, Robert Hyatt wrote: >> >>>On August 30, 2004 at 08:30:34, Kurt Utzinger wrote: >>> >>>>On August 30, 2004 at 08:12:52, Jouni Uski wrote: >>>> >>>>>Eine FPGA-Karte untersucht momentan ca. 3 Millionen Positionen/Sekunde. 16 >>>>>Karten machen daher theoretisch 48 MPos/sec. (Donninger) >>>>> >>>>>Jouni >>>> >>>> If Hydra made 48 Mpos/sec this again proves (in comparison >>>> with the 2 Mpos/sec on Quad-Opteron server with 4 CPU's of >>>> Shredder) that the number of pos/sec can't be taken as a >>>> reliable value for the goodness of a chess program. It's >>>> of course simply impossible to compare apples and organes. >>>> Kurt [http://www.utzingerk.com] >>> >>> >>>Don't forget that Hydra ripped Shredder's head off. So the NPS _might_ be >>>significant here... >> >>Didn´t I´ve heard you saying that 10 games are not enough to draw a >>statistically significant conclusion on the playing strength? >> >>Greetings Volker > > >With two _close_ opponents, correct. But if one is seriously stronger, as hydra >appeared to be, 10 games is plenty. We do not know if hydra is seriously stronger. You cannot start by assuming that hydra is significantly stronger when this is the question. If you see 10-0 you can say based on the result that Hydra is significantly stronger but when you see 5.5-2.5 you cannot claim it based on the result and you only can say that you do not know if it is significantly stronger based on the result. Uri
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