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Subject: Re: The SSDF match between two programs should be 100 instead of 40

Author: Jorge Pichard

Date: 12:49:26 03/25/04

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On March 25, 2004 at 14:52:34, Kurt Utzinger wrote:

>You have still not played enough games. I give below an example of a match
>[40'/40] I have played over 100 games between Gandalf 4.32g and Program_X [I am
>a beta tester of X] to show what I mean:
>
>Gandalf 4.32g vs Program X
>
>Games 1-10
>3.0-7.0 [win program X]
>Total 3.0-7.0 for program X
>
>Games 11-20
>6.5-3.5 [win Gandalf]
>Total 9.5-10.5 for program X
>
>Games 21-30
>5.0-5.0 [draw]
>Total 14.5-15.5 for program X
>
>Games 31-40
>3.5-6.5 [win program X]
>Total 18.0-22.0 for program X
>
>Games 41-50
>4.5-5.5 [win program X]
>Total 22.5-27.5 for program X
>
>Games 51-60
>3.0-7.0 [win program X
>Total 25.5-34.5 for program X
>
>Games 61-70
>5.0-5.0 [draw]
>Total 30.5-39.5 for program X
>
>Games 71-80
>8.0-2.0 [win Gandalf]
>Total 38.5-41.5 for program X
>
>Games 81-90
>7.0-3.0 [win Gandalf]
>Total 45.5-44.5 for Gandalf
>
>Games 91-100
>5.5-4.5 [win Gandalf]
>Final match result 51.0-49.0 for Gandalf
>
>Can anybody tell me for sure which of the above two is the stronger program??
>And what about if I had only played a 20 games match and these games would have
>been those played in rounds 71-90? Then, the result would have been 15.0-5.0 in
>favour of Gandalf 4.32g!! Imagine what some testers would have argued about the
>strenght of program X?
>
>For all these reasons I think that something concrete about the strength between
>two programs can only be said if 100, better 200-300 games or even more have
>been played.

The SSDF match between two programs should be 100 instead of 40, in that case we
will have a more accurate SSDF rating list every 6 months instead of every 3
months.

Jorge
>
>Kurt



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