Author: Andrew Williams
Date: 16:28:08 10/16/99
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On October 16, 1999 at 12:49:29, Frank Phillips wrote: >I have been experimenting with DarkThought type pre-pre-frontier and >pre-frontier pruning with mixed results and wondered what other?s experience is >of this type of forward pruning. Unless I missed it, I noticed Crafty does no >forward pruning (except null move) and no longer even razors the last ply. > >Frank PostModernist doesn't do this sort of pruning. I tried it in the past, but it never seemed to help my program (on test sets or when playing), but Ernst did say in the article that it wasn't much good at blitz time controls. I still have razoring code in my program, but it is commented out at the moment. Again, all my recent testing has said that it's not helping. Andrew
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