Author: Uri Blass
Date: 04:36:33 03/06/03
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On March 06, 2003 at 07:22:50, Mike Byrne wrote: >On March 05, 2003 at 10:12:39, Uri Blass wrote: > >>On March 05, 2003 at 10:04:14, Djordje Vidanovic wrote: >> >>>Thank you for the information regarding the new Crafty version. However, in my >>>own testing (more than one thousand games at quick controls), Ruffian 1.X gets >>>about 70-75% against Crafty 19.X. The older Crafties perform a little better, >>>especially the 17.13 version. >>> >>>The ELO difference ranges between 80-120 pts in favour of Ruffian. >>> >>>-- Djordje >> >>I guess that the problem is to choose the right X and the right modifications. >> >>Modified 19.x should not prerform worse than 17.13 because people can delete all >>the counter productive changes from 17.13 to 19.03 >> >>Uri > >That's an over simplification -- one (applicable to most people) cannot simply >take 19.xx code and roll it back to 17.xx code -- there has been way too many >changes from 17.xx to 19.xx. If you had compared the code, you would have never >said that. I did not compare the code but the point is that a later version should not perform worse if it is modified correctly. IMO, 19.xx is better than 17.xx - no question. I would agree that >the issue of 18.xx is better than 17.xx is up for debate. The question is still open http://www.digichess.gr/infiniteloop/ratings/IL3b_rate.txt Crafty17.9 is leading Crafty19.1 has not a good result. http://www.digichess.gr/infiniteloop/ratings/rapid_rating_il2r.txt Crafty17.9 is leading 19.1 is not there but I do not expect 19.1 to be first place after reading the following link when Crafty19.1 got only 2.5 out of 9. http://f11.parsimony.net/forum16635/messages/44045.htm Number of games is not enough to be sure and it is only fast time control so I do not claim that 17.xx is better than 19.xx but only that we have not enough evidence to say that 19.xx is better. Uri
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