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

Author: Robert Hyatt

Date: 11:26:31 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 ?


Inconclusive is about all I can say.  It is _way_ fast in some wild
tactical positions, as it should be.  But in head-to-head play against
crafty without it, the results are inconclusive so far.

I'm still looking at it from time to time when I have a spare block
of time here and there..



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