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Subject: Re: SSDF Rating List 2005-02-25

Author: Uri Blass

Date: 07:04:10 02/27/05

Go up one level in this thread


On February 27, 2005 at 09:55:37, Gian-Carlo Pascutto wrote:

>On February 27, 2005 at 08:54:19, Christos Gitsis wrote:
>
>>On February 27, 2005 at 02:37:09, Thoralf Karlsson wrote:
>>
>>>     THE SSDF RATING LIST 2005-02-25    101022 games played by  270 computers
>>>                                           Rating   +     -  Games   Won  Oppo
>>>                                           ------  ---   --- -----   ---  ----
>>
>>>  34 Crafty 18.12/CB 256MB  Athlon 1200 MHz  2617   26   -26   727   49%  2622
>>...
>>>  38 Crafty 19.17  256MB Athlon 1200 MHz     2522   43   -47   264   31%  2664
>>
>>How come Crafty 19 is so much lower rated than Crafty 18? Is it really so much
>>weaker than the previous version?
>>This seems strange to me, especially since from what I know (correct me if I am
>>wrong) the ChessBase interface does not allow WinBoard engines to play at full
>>strength.
>
>Crafty 18.12 was allowed to use Fritz's book and Fritz's book learner, and
>ChessBase's interface.
>
>Crafty 19.17 used its own book, own book learner, and IIRC, the Arena interface.
>
>--
>GCP

Yes but I think that this is not the main difference.
The main difference is simply the fact that 19.17 is weaker under winboard and
under the condition that almost everyone test except bob hyatt(windows and not
linux).

19.17 always performed worse in Leo's test tournament than 19.13

http://f27.parsimony.net/forum67828/messages/146.htm
http://f27.parsimony.net/forum67828/messages/161.htm
http://f27.parsimony.net/forum67828/messages/187.htm
http://f27.parsimony.net/forum67828/messages/205.htm
http://f27.parsimony.net/forum67828/messages/234.htm

Uri



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