Author: Uri Blass
Date: 08:56:09 02/19/03
Go up one level in this thread
On February 19, 2003 at 11:29:15, James T. Walker wrote: >On February 19, 2003 at 07:56:41, Uri Blass wrote: > >>On February 19, 2003 at 00:50:04, James T. Walker wrote: >> >>>On February 18, 2003 at 22:57:47, Charles Worthington wrote: >>> >>>>I am cosidering making Crafty my primary engine for 3+2 and under games on the >>>>chessbase server. Does anyone have blitz stats (ie. w-l-d) for crafty vs various >>>>other engines? >>> >>>In my opinion Crafty is not a good blitzer. >> >>I have a different opinion >> >>Crafty has 6 versions in the top 14 free programs in blitz >> >>see http://www.digichess.gr/infiniteloop/ratings/IL3b_rate.txt > >Yes but look at the version numbers. The later numbers are lower on the list. >Also I'm curious as to how the games were played. Auto232? One computer with >ponder off? one computer with ponder off. > I'm completely unimpressed with one computer ponder off results. >They ignore an important part of chess engines. I do not think that the results are significantly different to ponder on unless one of the players cannot ponder. That is guessing the opponents >move and using the time to compute. There are other questions about single >computer testing which need to be answered. I believe auto232 is a realistic >test of programs in their "real world" element. > > >> >>I do not see Crafty as a better tournament player. >> >>Worst Crafty is better than best Comet in blitz based on the blitz list when in >>tournament time control things are different and there are tournaments when >>Comet can get better result than Crafty inspite of the fact that a lot of games >>are played > >What is a lot of games? If programs are close, several hundred will not tell >which is best. The opponents played by each is important also. A lot of games are more than 70 games. Can Comet get better result than Crafty in a blitz toruenament with more than 70 games? > >>see http://wbec-ridderkerk.nl/html/his2ndedition.html >> > >But 76 games is nothing but a small test. In my blitz database after severla >hundred games Chess Tiger 15 was about 15 points below Chess Tiger 14. After >more than 1000 games it is now slightly ahead of Chess Tiger 14. The question is if Comet can get better result than Crafty in 76 games in your blitz database. In the first link many Comets and many crafties played less than 76 games and no comet was above Crafty. Uri
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