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Subject: ELO and size of the population

Author: Francesco Di Tolla

Date: 04:49:29 10/08/03

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>I agree that programs are getting stronger but the comparision of SSDF to FIDE
>is nonsense.  Mr Elo is spinning in his grave.  SSDF is an narrow pool of
>silicon players , FIDE is  wide range of human players.  In a narrow pool pf
>players, the top players(programs) gets overrated when compared to other pools.
>I call this the "Bloodgood effect" after Claude Bloodgood.  Claude Bloodgood was
>a strong player, perhaps of master strength who became the second highest rated
>player in the US by playing nobody but other inmates while incarerated for
>murdering his mother.  Also , similiar to the SSDF computers , this group of
>inmates were playing hundreds of rated games per year, far more than the average
>human player.

Is there any known relation among the ELO of two populations that use same
calculation scheme and that have different sizes?

I mean does the absolute dimension of the population affect the average ELO?

Furthermore is it known (besides avoinding the error of assigning ELO to people
having lost al games in the provisional period) what is the effect of the way of
assigning and initial ELO to the ELO average?

regards
Franz



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