Author: Uri Blass
Date: 07:11:14 02/27/05
Go up one level in this thread
On February 27, 2005 at 10:04:10, Uri Blass wrote: >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 Here is another list when 19.15 performed better than 19.17 http://www.husvankempen.de/nunn/aegt2102.txt I guess that the right Crafty with its own book could perform without chessbase learning and chessbase book at least 70 elo better. Uri
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