Author: Uri Blass
Date: 08:49:02 02/24/06
Go up one level in this thread
On February 24, 2006 at 11:41:23, Martin Andersen2 wrote: >On February 24, 2006 at 11:20:38, Martin Andersen2 wrote: > >>On February 24, 2006 at 10:53:57, George Tsavdaris wrote: >> >> The top leader's ELO rating may be wrongly calculated if we match them >>>with very much weaker opponents.... >> >>Why ? > >To add some more: Fritz 5.32 P200 has a SSDF ELO of 2497, Fruit 2.2.1 A1200 >an ELO of 2853. Difference is 356 so according to the ELO table, Fruit is >expected to score about 89%, that is 37.5 points in the match. > >Fruit scores 40.5 points, a bit higher than expected, but it's not many games. > >What would you say is the problem with these matches ? > >Martin. The problem is that rating may not give correct estimate of the expected result. Note that Fritz5.32 was famous for his learning and if I remember correctly it beated Rebel8(P90) again and again in the same line. Unfortunately fritz5.32 did not find a single win to repeat in this match because it could get only 3 draws and it is not designed to repeat drawing lines. Uri
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