Author: Robert Hyatt
Date: 21:26:42 12/12/98
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On December 12, 1998 at 16:52:31, Marc wrote: >On December 12, 1998 at 14:13:50, KyoJin Kim wrote: > >>I would like to ask to Dr. Hyatt. >>What is the main factor crafty is stronger than gnu chess? >>Bit board? Better evaluation function? Better search algorithm? >>I will appreciate anybody's answer too. >>Thank you in advance. > >Crafty has far more search extensions and better evaluation in my opinion. I >have analyzed gnuchess pretty thoroughly and I think that it is very fast and >utilizes most advanced search techniques (Null move, PVS, etc...). Though I >have only recently begun to look at Crafty, it looks to me like a *lot* of time >has been spent on making the evaluation very strong. > >While we're at it, Crafty is 1000 times more readable than the source code mess >that is gnuchess :) There may be a few tricks in crafty's search extensions that are not in gnu's, but not many. Most of the difference, if there is much of a difference, is in the evaluation...
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