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Subject: Re: Multi-ProbCut and Crafty : does it work ?

Author: Mike Byrne

Date: 16:49:39 06/28/03

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On June 28, 2003 at 11:20:21, Frederic Louguet wrote:

>I read an interesting paper from Albert Xin Jiang and Michael Buro about
>Multi-ProbCut and its implementation in Crafty. I have always been very
>skeptical about this pruning technique (for chess) but the paper is rather
>optimistic. However, the data presented does not seem very convincing from a
>statistical point of view (too few games, not enough opponents). So could Robert
>Hyatt tell us a little more about the effectiveness of this technique ? Does it
>_really_ work ?

I tried it -- inconclusive -- I'm not sure if the cutoffs are set right ,
clearly has potential.  Right now, some positions are better, some are worse.
Some are much better, some are much worse and some are abouty the same.  I
really should just play some games rather looking at test positions.



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