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Subject: Re: why don't people understand that ratings are relative

Author: Alastair Scott

Date: 01:38:32 02/18/03

On February 17, 2003 at 14:41:34, Anthony Cozzie wrote:


>the elo system has no defined 0.  results are only defined in terms of wins and
>losses.  For example, suppose one defined the average elo to be 1600, and placed
>Kramnik, Kasparov, and Shirov in a room together and had them play 5000 games.
>Kasparov's rating would be 1650 at best.  Or we could define the 0 to be 0 -
>Kasparov would have a rating of 1200, and some people would have negative
>rating!  The whole thing is just like potential energy in physics: only
>differences in the rating system are meaningful.

Excellent explanation, and there is also the Flynn effect (such rating systems
tend to progressively inflate the numbers over time), which I believe has never
been explained.

Alastair

Re: why don't people understand that ratings are relative Sune Fischer 02:21:00 02/18/03
- Re: why don't people understand that ratings are relative Robert Hyatt 20:34:50 02/18/03
  - Re: Test results and real Strength Rolf Tueschen 03:22:01 02/20/03
    - Re: Test results and real Strength Uri Blass 05:57:48 02/20/03
      - Re: Test results and real Strength Rolf Tueschen 06:43:32 02/20/03
        
        Re: Test results and real Strength Uri Blass 06:53:15 02/20/03
        
        Re: Test results and real Strength Rolf Tueschen 07:22:50 02/20/03
  - Re: why don't people understand that ratings are relative Sune Fischer 02:08:24 02/19/03
    - Re: why don't people understand that ratings are relative Robert Hyatt 08:53:54 02/19/03
      - Re: why don't people understand that ratings are relative Sune Fischer 09:39:04 02/19/03
        
        Re: why don't people understand that ratings are relative Robert Hyatt 15:25:53 02/19/03
        
        Re: why don't people understand that ratings are relative Sune Fischer 15:53:47 02/19/03
        
        Re: Delusions about rising Strength in Elo Rolf Tueschen 03:37:11 02/20/03
        
        Earth to Rolf Sune Fischer 03:58:53 02/20/03
        
        Re: Good morning! Sleep was good? Rolf Tueschen 04:15:56 02/20/03
        
        Re: Good morning! Sleep was good? Stephen A. Boak 20:51:04 02/20/03
        
        Re: Three Brain always has a defined Master! Rolf Tueschen 02:56:35 02/21/03
        
        Err what??? Sune Fischer 04:21:25 02/20/03
        
        Re: GENS UNA SUMUS nt Rolf Tueschen 04:32:47 02/20/03
        
        Re: why don't people understand that ratings are relative Robert Hyatt 17:29:53 02/19/03
        
        Re: SSDF might be listening... Rolf Tueschen 03:58:02 02/20/03
        
        Re: why don't people understand that ratings are relative Sune Fischer 02:28:57 02/20/03
        
        Re: Good proof for the impossibility to improve one's Intelligence Rolf Tueschen 03:02:40 02/20/03
        
        Re: Good proof for the impossibility to improve one's Intelligence Sune Fischer 04:18:40 02/20/03
        
        Re: Good proof for the impossibility to improve one's Intelligence Rolf Tueschen 04:31:02 02/20/03
        
        Re: Good proof for the impossibility to improve one's Intelligence Sune Fischer 05:03:46 02/20/03
        
        Re: Good proof for the impossibility to improve one's Intelligence Rolf Tueschen 06:27:24 02/20/03
        
        Rolf's war game. Sune Fischer 07:31:57 02/20/03
        
        Re: Education is a remedy not to be denied Rolf Tueschen 07:54:45 02/20/03
        
        Re: Education is a remedy not to be denied Sune Fischer 08:23:04 02/20/03
        
        Re: Education is a remedy not to be denied Rolf Tueschen 08:41:16 02/20/03
        
        Re: Education is a remedy not to be denied Stephen A. Boak 22:23:01 02/20/03
        
        Re: Education is a remedy not to be denied Rolf Tueschen 03:49:19 02/21/03
        
        Re: Education is a remedy not to be denied Sune Fischer 09:28:50 02/20/03
        
        Re: Education is a remedy not to be denied - but no lies Rolf Tueschen 11:54:22 02/20/03
        
        Re: Education is a remedy not to be denied - but no lies Stephen A. Boak 22:28:54 02/20/03
        
        Re: Education is a remedy not to be denied - but no lies Rolf Tueschen 01:58:58 02/21/03
        
        Re: Education is a remedy not to be denied - but no lies Sune Fischer 12:30:26 02/20/03

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