Author: Jason Williamson
Date: 01:02:20 03/25/00
Go up one level in this thread
On March 24, 2000 at 22:36:22, Robert Hyatt wrote: >On March 24, 2000 at 18:51:27, Bertil Eklund wrote: > >> >>I have followed Crafty for some years now even if Crafty has been a good program >>it has always been a bit after "the best professionals" but now from version >>17.x (not 17.01 that in some games played suicidal-chess according >>king-security, castling right in to an ongoing attack against its king) >>I think the latest versions is on "par" with a lot of the better commercial >>programs. I want to know what is the difference between Crafty from today and >>the earlier versions? What is the reasons for the improved play? I understand >>that Crafty plays better with the tuned books from Chessbase-engines but this is >>only a little part of Craftys better play. Craftys play with Tablebases is >>excellent, but I guess it must be a lot of other improvements as well. > >The main difference between "this" crafty and "old" crafty versions is >simply testing. This version was really targeted to be 'solid' for the >ICC tournament. Other versions _always_ have new ideas that are sometimes >good, sometimes bad. I don't know how the current version stacks up against >commercial program on equal hardware, but in the past, the general testing >approach of others was to compare a released version of a commercial program >vs one of the many experimental versions of Crafty. With the expected results. > >It is easy to judge a book by the cover. But it is often wrong... > >Crafty may well still get smashed by the commercial programs on equal >hardware. But on my quad, it is _very_ dangerous when it is playing >solidly rather than in a test mode... > On my dual Celeron, runing with SMP off, Crafty is *almost* on par with Fritz, Junior, Shredder, etc. Can't really use the SMP, since then its not equal hardware :) Note that this is using the Chessbase version of Crafty-17.07. The non Chessbase version tend to do a little worse, but I suspect thats just the fritz problems cropping up. > >> >>This is written before I know the results from our testings, but I think Craftys >>results are going to surprise many people. I have been busy with the excellent >>program Shredder4. >> >>Remember also that Crafty dislikes Amd K6-2, a K6-2 450 is about equal to a >>Pentium 333(for Crafty). The difference is about 30-35 %clockwise.
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