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Subject: Re: Crafty, too arrogant to play dozens of GM's?

Author: James B. Shearer

Date: 21:42:09 10/26/99

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On October 26, 1999 at 20:16:37, Dann Corbit wrote:

>On October 26, 1999 at 19:38:08, Jeff Anderson wrote:

                       <deletions>

>>When you are very picky about who you play, good things can happen to your
>>rating.
>
>In the long run, it does not matter who you choose at all for computation of an
>ELO rating.
>
>The values will normalize unless some kind of cheating is going on (and they
>only cheat against you).
>
>Playing ELO 2700 players and playing ELO 2000 players will not change your
>rating any differently.  That's why GM's would not fear lower ranked opponents
>in a real tournament.
>
>The only connection between ELO and who you play is the generic pool connection.

      This is not accurate.  The ELO system is based on a model of the real
world.  Like all models this model is just an approximation of the real world.
This means that some potential opponents will appear stronger when playing you
than their ratings would indicate while others will appear weaker to you than
their ratings would indicate.  By selectively playing those opponents which do
not play up to their rating against you, you can definitely raise your rating
above what it would be playing all comers.
                              James B. Shearer



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