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

Author: Uri Blass

Date: 17:29:44 12/30/05

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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.

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.

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



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