Author: Sune Fischer
Date: 05:38:52 07/20/02
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On July 20, 2002 at 08:13:44, Gian-Carlo Pascutto wrote: >On July 20, 2002 at 08:04:01, Sune Fischer wrote: > >>I think it matters "a factor of 2". >> >>1) it helps you to prune >>2) you get better evaluation in the upper plies when you can return a score >>based on a deeper search. >> >>number one will show itself directly because you iterate deeper, the second one >>you don't "see", but it does improve depth along some branches in the same way. > >1) I get +- 10% hash hits (and less prunes) in typical middlegame. Not enough to >matter a factor of two (but I didnt check this so not 100% sure). > >2) Uh? You have 1 ply to go, you probe and get a hit based on a 10 ply search. Or, what is perhaps more likely, a 6 ply result when you only had 4 plies to go, that is still 2 more plies of accuracy and you also prune/transpose at the same time. -S. >-- >GCP
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