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Subject: Re: Undocumented command in Shredder4.

Author: Charles Unruh

Date: 18:04:57 12/10/99

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On December 10, 1999 at 05:15:21, Stefan Meyer-Kahlen wrote:

>I have added a feature in Shredder to calculate the relative ELO performance of
>a match including the error range of the result. I did this for internal use
>only, but as I got positive reaction from some testers I told about it, I
>decided to publish it.
>
>Here’s how it works:
>Assume A played B in a 20 games match and scored 12-8 with 9 wins, 6 draws and 5
>losses.
>Just enter
>   “tp 9 6 5”
>in Shredder4 and you’ll get
>   “20 +9 =6 -5    60.0%   TP = +80 ELO   95% -> [-66,+226]”
>
>TP means tournament performance (here +80 Elo), with a 5% error margin the
>“real” ELO difference is between –66 and +226 ELO.
>
>I hope this helps somebody

"Help somebody"?  Ok send shredder 4 to shastenson@usa.net :)
>   Stefan



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