Author: Ricardo Gibert
Date: 08:14:39 08/17/02
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On August 17, 2002 at 08:15:54, Andrew Williams wrote: >On August 17, 2002 at 05:53:55, Ricardo Gibert wrote: > >>On August 17, 2002 at 00:44:48, Peter McKenzie wrote: >> >>>On August 16, 2002 at 13:20:43, Will Singleton wrote: >>> >>>>On August 16, 2002 at 00:58:25, Peter McKenzie wrote: >>>> >>>>>I imagine Tiger does normal null-move pruning except near the tips where it does >>>>>something more aggressive. I agree that exactly what he is doing near the tips >>>>>is indeed a "big secret". It seems likely to me that he is doing some sort of >>>>>static based (as opposed to search based) pruning based on chess specific >>>>>knowledge. >>>>> >>>> >>>>Sounds like the approach Don Dailey talked about a few years back. Is that what >>>>you're talking about? Did CT mention this specifically? >>> >>>Don Dailey's approach is one way to do it, I'm sure there are others. CT didn't >>>mention this specificially, I'm just speculating. >>> >>>Peter >>> >>>> >>>>Will >> >>What is Don Bailey's approach? > >It's Don Dailey. He used to post here, and in looking for this for you I've seen >LOADS of interesting posts he made. Anyhow, I *think* this is the one Pete is >referring to: > >http://ccc.it.ro/search/ccc.php?art_id=28868 > >However, Don had so many good ideas, this could easily be the wrong one. What a >pity he no longer posts here! > >Cheers > >Andrew Thanks for the very interesting link. I believe CT calls his forward pruning technique "filter pruning". This is a name which does not seem to fit DBs idea. I've come up with a very nice idea that fits this name, but I'm keeping the details secret for myself! :) Your tip concerning the value of Don Bailey posts seems to be good one. Thanks again.
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