Author: Robert Hyatt
Date: 18:37:26 08/14/05
Go up one level in this thread
On August 14, 2005 at 20:20:22, Roger D Davis wrote: >On August 14, 2005 at 20:12:37, Eugene Nalimov wrote: > >>On August 14, 2005 at 20:08:21, Uri Blass wrote: >> >>>On August 14, 2005 at 18:01:28, Robert Hyatt wrote: >>> >>>>On August 14, 2005 at 17:00:02, Bernhard Bauer wrote: >>>> >>>>>On August 14, 2005 at 16:47:43, Darrel Briley wrote: >>>>> >>>>>>On August 14, 2005 at 15:22:43, Graham Banks wrote: >>>>>> >>>>>>>Best wishes for the remaining games. It would be really good for this to be the >>>>>>>best Crafty ever! Fingers and toes crossed! >>>>>>> >>>>>>>Graham. >>>>>> >>>>>>1.5 with two blacks vs. Shredder and Junior. Impressive indeed. >>>>>>Congratulations Bob! >>>>>> >>>>>> DB >>>>> >>>>>As Bob has pointed out earlier this is pure luck. >>>>>Crafty has serios tactical weaknesses as all the >>>>>computer chess specialists know. Crafty is not even commercial, >>>>>so how can this be explainded in any other way, but luck? >>>>>Perhaps Bob has found a very old version and is running this now, 6.4? >>>>> >>>>>Anyway congratulations and >>>>>Kind regards >>>>>Bernhard >>>> >>>> >>>>I'd bet that those "serious tactical weaknesses" are not to be found on this >>>>hardware, at least until someone is searching far faster than I am... >>> >>>Tactical weaknesses can be found also in software. >>> >>>> >>>>Crafty's "serious tactical weaknesses" are more urban legend than fact... >>> >>>Comparing Crafty with fruit Crafty does not do checks in the first ply of the >>>qsearch when fruit does it and Crafty does not use history based pruning when >>>fruit does it. >>> >>>I think that these are relative weaknesses and using the ideas of fruit may help >>>Crafty to be better in tactics. >> >>Those are not "ideas of fruit". Both are mentioned in the 1977 computer chess >>book written by KAISSA authors. >> >>Thanks, >>Eugene >> >>>Hardware is important to see deeper but there are also other factors. >>> >>>Uri > >Mentioned in 1977? When were they first implemented then? > >Roger _prior_ to 1977.
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