Author: Andreas Mader
Date: 22:39:23 12/01/97
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On December 01, 1997 at 21:27:10, Robert Hyatt wrote: >On December 01, 1997 at 18:13:41, Uwe Immel wrote: > >>How could it be, that the possible tolerance (+) for rebel9 is 42 >>points, although he had 10 games more played than hiarcs 6? >>The more games a program played, the lower should be the tolerance, >>so it should be just the other way. >> >>> SSDF RATING LIST 1997-11-30 57982 games played by 176 computers >> Rating + - Games Won Oppo >> ------ -- --- ----- --- ---- >>> 1 Hiarcs 6.0 Pentium MMX 200 MHz 2544 41 -39 327 66% 2424 >>> 2 Rebel 9.0 Pentium MMX 200 MHz 2543 42 -39 337 72% 2375 > >can also be caused by the ratings of your opponents. If you play a >wide range of ratings, your variability will be higher than if you >play a narrower range of ratings for your opponents... basic sampling >theory likes the standard deviation of the population to be small. If >it is large, it produces more variability in the estimated result as >well... This is true, but it also depends on the number of draws a program has played. If there are many draws the tolerance will be smaller. Andreas
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