Author: Mike Byrne
Date: 16:56:27 01/05/04
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On January 05, 2004 at 18:31:44, Robert Allgeuer wrote: >>>Interesting. >>>For the Crafty non-expert: >>>what do the symbols FUTILITY and DETECTDRAW do exactly when they are defined? >>> >>>Thanks >>>Robert >> >> >>futility turns on futility pruning ala Heinz. >> >>detectdraw turns on draw detection (extremely blocked up positions). >> >>anthony > >Thanks, >does this mean that "normal" compiles of Crafty do not use futility pruning? > >Robert I think everybody might do it different...all modified SE's use futility pruning - I definitly think futility pruning is good ...they also all use DetectDraw -- I;m up in the air about it, but I think right now it hurts more than it helps -- so in essense my gut feel agrees with the results above...but the difference may be so small that it may be statiscally insignificant...
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