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Subject: Re: Paderborn: why Rybka Beta played and not Rybka Preview 2 ?

Author: Ernst Walet

Date: 00:52:29 12/31/05

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On December 30, 2005 at 20:29:44, Uri Blass wrote:

>On December 30, 2005 at 19:16:07, Ernest Bonnem wrote:
>
>>Who can give an answer?
>>Vas?
>>Ernst?
>>anybody else knows?
>
>I think that it is trivial.
>
>It is dangerous to play with an untested version.
>
>
>Rybka beta was tested heavily by the CEGT team and other people.
>Rybka Preview is a new version and still was not tested enough.
>

This was exacly the reason why Vasik choose to pplay with the beta version.


>A more interesting question is why the opponents resigned against rybka and did
>not continue until mate because it is known that rybka has a bug that may cause
>it problems to win won positions because it does not care about distance to
>mate.
>

Let me say that the reason why others didn't want to try Rybka's mating
capabilities has everything to do with the friendly atmosphere in wich the
tournament took place.


>The bug was no problem in CEGT because the interface adjudicates the result
>based on evaluations but it could be a problem in real games.
>
>Uri

Ernst.



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