Author: Ian Aston
Date: 11:27:21 10/17/01
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On October 17, 2001 at 11:19:46, Robert Hyatt wrote: >On October 17, 2001 at 04:04:35, Aaron Gordon wrote: > >>AMD (Athlon, Thunderbird, Duron, etc) optimized Crafty v18.12 available here at >>http://65.10.79.9/crafty/index.html . >> >>For those with Pentium 2's or 3's, Celeron's, Pentium 4's, etc it should run >>fine so don't worry. > > >I should explain that this is a "test version" of Crafty. The main change is >that it uses the "deep blue" extension limit rather than the old method. Does this mean that it can beat Kasparov? :) > >Old: at any ply in the tree, the extensions could not add up to greater >than one ply. This means that if white checks black, then the move by >white would extend 1 ply. If it was also a recapture, the recapture could >not be done since one ply is the max extension at one ply. > >New: Two consecutive plies can not produce more than 2 plies of extensions. >It "averages" the same of course, but now a check and recapture can both be >applied if the previous ply had no extension to speak of. > >I am looking for feedback to see whether this is better or worse than what I >was doing before.
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