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Subject: Re: "Battle of the Crowns" Contest status:

Author: blass uri

Date: 12:58:53 07/28/00

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On July 28, 2000 at 15:33:47, Dann Corbit wrote:
<snipped>
>    Program          Elo    +   -   Games   Score   Av.Op.  Draws
>
>  1 LarsenVB       : 2610  186 226    12    79.2 %   2378   25.0 %
>  2 Storm          : 2557  223 166    12    58.3 %   2498   33.3 %
>  3 Noonian        : 2546  232 144    12    54.2 %   2517   41.7 %
>  4 Ozwald         : 2542  166 223    12    41.7 %   2601   33.3 %
>  5 Monik          : 2363  214 247    12    62.5 %   2274    8.3 %
>  6 Zephyr         : 2317  215 215    12    50.0 %   2317   16.7 %
>  7 TSCP           : 2293  180 402    12    83.3 %   2013    0.0 %
>  8 SnailSCP       : 2185  214 194    12    62.5 %   2096   25.0 %
>  9 Raffaela       : 1893  297 170    12     8.3 %   2310   16.7 %
> 10 Golem01        : 1695    0   0    12     0.0 %   2295    0.0 %

The elo is simply wrong.

The right way to calculate elo based on tournament is simply to assume that the
tournament happen again and again and calculate the limit of the elo rating for
every program when the number of games get closer to infinite(you should not
include programs that has 0% or 100%).

In this case you should not count Golem01 because the elo of this program will
always go down(the expected result of golem is more than 0% even if there is a
difference of 1000000 elo).

TSCP also deserves at least the same rating as Monik because TSCP got 50%
against Monik and 100% against other players so the rating of TSCP should always
improve when it is behind Monik when the results repeat again.

Uri



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