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Subject: Re: Not that.

Author: Kurt Utzinger

Date: 15:46:56 04/17/02

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On April 17, 2002 at 12:05:18, stuart taylor wrote:

>On April 17, 2002 at 09:48:33, Jorge Pichard wrote:
>
>>On April 17, 2002 at 09:25:48, Kurt Utzinger wrote:
>>
>>>I see nothing wrong with this result. It was just one match over 40 games. A
>>>similar match may bring complete other results, maybe more in favour of Fritz7.
>>>Regards
>>>Kurt
>>
>>You are correct Kurt, plus any of the three top programs on the SSDF are
>>considered equally even in strength, even if the margin of rating calculated by
>>the SSDF is withing 30 points since, if you noticed lately that once Chess Tiger
>>came on first place, then it ended in second and there is a chance that it will
>>finish on first or second place. To me to get a better estimate on the
>>performance of all these programs, it will be necessary to adjust the humans vs
>>programs performance rating into the equation.
>>
>>Pichard.
>
>I never said that the results were not normal. But somehow, I don't seem to be
>speaking the same language as everyone here.
> I'm saying that time after time when Junior 7 plays a match with Fritz 7, Fritz
>loses many games near the beginning, but then catches up and overtakes. EVERY
>TIME (almost). That almost proves that the reason is because of the learning
>function.
>  But this time, the samwe thing happened at the beginning, and then Fritz
>overtook Junior as usual, yes, but THIS time, it happened again it was said
>above, that Junior was catching up again towards the end. Usually it's the other
>way round. So why was that?
>  Maybe the learning function was reset for Fritz, so it had to start learning
>again?  THAT was my question.
>S.Taylor

In my opinion your interesting observations and the results may be accidentally.
Please study the results of a match between Gandalf 4.32g and Program_X [I am a
beta tester of X] to show what I mean, how about the learning effect of Gandalf
in this match?

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




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