Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: The big drop in the rating of my Fruit personality

Author: Günther Simon

Date: 07:22:00 10/17/05

Go up one level in this thread


On October 17, 2005 at 10:10:58, Uri Blass wrote:

>I am now surprised by the big drop in the CEGT rating of my Fruit personality.
>
>It was already 2806 after 92 games and now it is 2748 after 223 games.
>
>I also remember possible error of 61 elo after 92 games but even if the real
>rating is 61 elo lower than 2806 then I still do not expect the rating to change
>so fast.
>
>This is surprising also because results that I read earlier not by CEGT
>supported my personality.
>
>I wonder if the real error is not higher than the error that is written
>

Even if the error bars show what they should, they are by default calculated
for a likelihood of 95%. Which means there is a 5% probability that the
error bars are different anyway.

Of course the reasons you named later in your post also could have influenced
the unexpected margin of the drop.

Guenther



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.