Author: Stuart Cracraft
Date: 16:12:13 10/05/04
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On October 05, 2004 at 05:57:36, Don Beal wrote: >>by this: >> // test for null move prune >> value = -search(bd,sdepth-1-reduction,ply,-beta,-beta+1, >> mvstr,SAVETOP,verify,REDUCENOTOK,checked) + WACBOOST; >>where WACBOOST is a bias that increases tactical prunes. > >Correction to my last post. That should have been: > > value = -search(bd,sdepth-1-reduction,ply,-beta+WACBOOST,-beta+1+WACBOOST, > mvstr,SAVETOP,verify,REDUCENOTOK,checked) + WACBOOST; Tried it -- but no big boost at settings of 1/4 pawn and 1/2 pawn. Either no boost or boost <= 1%. Can't tell without a more thorough hour long test which I hope to run this week. Thanks for providing this new idea for research. Stuart
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