Author: Uri Blass
Date: 11:01:41 02/28/06
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On February 28, 2006 at 13:14:31, Salvador H Cresce wrote: >On February 28, 2006 at 12:54:20, Uri Blass wrote: > >>On February 28, 2006 at 11:09:32, Majd Al-Ansari wrote: >> >>>Letting Rybka use an optimized book is almost not fair for other programs. >> >>Rybka cannot use that book not under chessbase so I consider it as not part of >>rybka'a package. >> >>I think that the ssdf should not use it in their testing of rybka when they test >>rybka because they should test commercial products and the combination between >>.ctg book and rybka is combination of 2 commercial products. >> >>I am lucky to have Fritz8 and Junior9 as chessbase engines but I simply do not >>care about book today and I am not going to use it. >> >><snipped> >>> Rybka was already beating any engine with its own native book very >>>handily, so now I guess things will really get ugly. They might get even uglier >>>once the last few weaknesses of Rybka are covered (endgame knowledge). >> >>You are wrong if you think that lack of some endgame knowledge is the only >>weakness of Rybka. >> >>based on my experience in correspondence games it has more weaknesses. >> >>Uri > >What are the weaknesses you found on correspondence games? Where do you play >correspondence games? I play on ICCF. > >Salvador I also play on ICCF and I found that it does not understand some sacrifices in the middle game. I will post more details later when the games are finished. I do not trust automatically computers and I analyze positions but I basically trust the opinion of chess programs and cases that I choose a move that is suggested by no chess programs are rare and they are usually when analysis proves or strongly suggest that the computer suggest a bad move. I am afraid that I am going to lose at least one game because of the weaknesses of chess programs but generally they are more productive than counter productive and I believe that I could score less without trusting them and only using them for blunder check. Uri
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