Author: Christian Goralski
Date: 08:48:45 03/02/01
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On March 02, 2001 at 06:54:38, Ed Schröder wrote: >On March 02, 2001 at 05:36:49, Terry Ripple wrote: > >> >>I'am very curious if Rebel's calculation of it's rating has a limit on how high >>a rating it can calculate! I'am puzzled, because i'am only getting a rating of >>"2677" on my Athlon 1,1Ghz compared to some other posts claiming more than i'am >>getting, and they are using 800 to 900 Mhz machines! I made sure there were no >>programs running in the background before i started up Rebel. >> >> Is there something else i could do to check if there is a possible CPU problem >>i may have? I could use some good suggestions! >> >>Thankyou in advance for any help! >> >>Best regards, >>Terry > > >There is no limitation to the current used formula. I guess if there was >a 10 Ghz PC the rating (maybe) would go over 3500 which in nonsense. The >formula has a lifetime of say 3 years, after that it simply needs a change. >I believe at the time of Rebel10 it was the last time I made changes. > >The formula during start-up takes about a second, in this second some typical >chess code is processed and timed. Based on the result an elo is calculated. > >All of this is dependant on the newest technology, integer performance, cache >behavior, changed (improved) instruction timings, branch prediction, cpu type >and and and... > >Quite messy to get a reliable rating for all the current available PC's as >it should produce decent elo ratings from Pentium 90 -> nowadays. > >I am surprised by the 2677 on an Athlon 1.1 GHz, that is something I get on >PIII-800. > >Ed Hi! AMD Thunderbird 1,2 Ghz 512 MB DRam, WIN 98 SE: 2795 Rating with 200 MB Hastables. Greetings Christian Goralski
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