Author: Ricardo Gibert
Date: 14:30:48 08/17/02
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On August 17, 2002 at 17:06:34, Will Singleton wrote: >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 Okay, okay. I get it now. It's Don Dailey. Clever "hint" thanks. BTW, amusingly enough I'm not the only one to make this mistake it seems: http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=%22don+bailey%22+chess+cilk&btnG=Google+Search
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