Author: Will Singleton
Date: 14:06:34 08/17/02
Go up one level in this thread
On August 17, 2002 at 11:14:39, Ricardo Gibert wrote: >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. No, not Don. It's Tom. Tom Bailey. Will
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