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Subject: Re: Why GM Ashley was picked.

Author: Albert Silver

Date: 14:36:06 06/20/01

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On June 20, 2001 at 15:58:55, Dann Corbit wrote:

>Using the rating calculator found here:
>http://wolf.project-w.com/prog/rating/
>
>With a starting ELO of 2600, playing against opponents of 2600 ELO, and scoring
>1% of the points (a TPR of 1800) would give a new ELO of 2592 (which is a
>difference of 8 ELO).
>
>However, I see that the number of different opponents you face has a big impact
>on the calculation.  So, if you played a 100 game match against a single
>opponent, it would not hurt much if you lost every game.  But if you played 100
>single games against different opponents and lost them all, it would cost a lot.

That makes no sense to me. Why would losing 100 games to a single 2300 opponent
be less detrimental to my rating than losing 100 games to 100 different 2300
opponents?

                                    Albert


>
>So (after all) it would not be so drastic as 1800 play to drop to 2400, but
>still you would have to play very deeply below your original ability.  Since the
>calculation is much more complicated than I thought, I won't bother to try to
>calculate the exact figure.  But I think it is obvious enough that to drop to
>2500 from 2600+ you would have to play well below your former ability.



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