Author: Bertil Eklund
Date: 14:18:22 02/21/99
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On February 21, 1999 at 16:45:07, Bruce Moreland wrote: > >On February 21, 1999 at 14:20:54, Thoralf Karlsson wrote: > >>New programs are (since two years ago) always tested on Pentium MMX 200 MHz. >>They are played against earlier tested programs, with established ratings, on >>either P200 MMX or P90. Which hardware a tester plays against depends on which >>hardware he happens to own. If SSDF had money to spend on hardware, we would >>have helped some of the testers to upgrade from P90 to P200 MMX. >> >>If you only used identical hardware in the testing, you would have to start a >>new rating list every 2½ year or so at the time when you began to use faster >>hardware. > >To start, I'm not a SSDF-hater, and I respect the effort that you folks have put >into this for these many years. > >I think that trying to make an honest rating list is an interesting and perhaps >difficult problem. > >Doing the games on uniform hardware would require a major financial investment >on someone's part, and since I don't volunteer for this I would not suggest it. > >I am worried that without continuing to include computer-human games in the mix, >that the rating list will get artificially stretched out. > >I'm concerned that the rating point delta between A on a 200 and B on a 90 would >be greater than you would see if you played a match between A on a 200 and human >C, and B on a 90 and human C. > >bruce Hallo Bruce! Thoralf Karlsson has compared the results of all years Aegon-tournaments, several hundred games and the results was ridiciously close to our list. If I don´t remember wrong the performance was slightly better in average. The last year when they played increment time-controls the computers played a bit under the expected level. Your last statement can have some point though, but I can see no clear evidence if this is the case or not. You can pick ten program from the lists from 1997,1998 and the latest one, in average i think they have about the same rating today. Regards Bertil
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