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Subject: Re: Crafty and Ruffian

Author: Eydun Lamhauge

Date: 06:05:58 08/16/05

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On August 16, 2005 at 08:14:27, Uri Blass wrote:

>On August 16, 2005 at 07:43:53, Eydun Lamhauge wrote:
>
>>On the SSDF rating list I noticed that newer versions of Crafty and Ruffian have
>>a lower rating than older versions.
>>E.g.
>>
>>Ruffian 1.0.1   2674
>>Ruffian 2.0.0   2621
>>Crafty 18.12/CB 2617
>>Crafty 19.17    2522
>>
>>What is the reason for this?
>>
>>By the way, your can find SSDF rating lists on my website:
>>http://www.chesspatterns.com/rating.php?category_id=75&list=15
>
>the reason is bugs.
>
>I read that Ruffian2.0.0 has bugs in pondering and is relatively weaker with
>ponder on and Crafty19.17 has bugs (I am not sure that all of them are relevant
>for bob who used it on ICC because Bob does not use it under windows but they
>are relevant for most users).
>
>Crafty19.17 is probably one of the weaker versions of Crafty in the last years
>and all the tournaments that I saw suggest that it is weaker than 19.15
>
>Uri

Uri, thx for the reply.



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