Author: Uri Blass
Date: 17:27:09 03/14/04
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On March 14, 2004 at 19:32:23, Mike S. wrote: >I suggest that when new engines join the SSDF ratings, at least 50% of the >opponents should be from the top-10. When the Elo system underestimates the >chances of the weaker player to draw - as statistics experts have explained - >then choosing weak(er) opponents only for the important entry rating of an >engine known to be strong, must result in an underestimated IOW too low rating. > >(In the current Ruffian 2 results, the best opponent is Shredder 7/K6-450 which >is ranking #16.) > >Of course there's a reversed logic variant of that: When an engine which is in >fact mediocre only, would be tested against top opposition for the first rating. >Then, that engine would benefit from the effect and would be overrated. I'm not >aware of an example for this. > >Regards, >M.Scheidl Ruffian2 did not play against weaker opponent but probably against stronger opponents 37 Ruffian 2.0.0 256MB Athlon 1200 MHz, 2611 Shredd7 K6450 11-14 Junior7 A1200 14.5-25.5 DpFritz7 K6-2 19-25 Fritz532 P200 27.5-14.5 Ruffian2 scored less than 50% and opponent who score more than 50% are usually called stronger opponents. Ruffian2 lost 79-72 against the opponents. Uri
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