Author: Walter Faxon
Date: 22:30:18 12/28/05
Go up one level in this thread
On December 28, 2005 at 16:49:52, Maurizio Monge wrote: >>Vasik Rajlich (Rybka) wrote in posts here that he is using (1) unusual search >>methods and (2) some older methods (maybe not search) that have been abandoned >>by the mainstream CC community. (I'm too lazy to find these posts right now.) >> > >Had Vasik told what those methods where? I'd like to know if it was some sort of >asymmetrical search (conspiracy?), as i had a lot of interest in studing how it >works and if it could be applied in chess programs... > >Thanks >Maurizio Vas did indeed mention Conspiracy Number Search in one of his posts here... --------------- http://hornid.com/cgi-bin/ccc/topic_show.pl?pid=450754#pid450754 Re: To author of Rybka By Vasik Rajlich Date 2005-12-17 07:14 On December 16, 2005 at 14:30:29, adam wilks wrote: >Hello,>>When at MIT studying computer science did you write a thesis on computer chess ?>>regards Nope. But McAllester was my thesis advisor (in a totally different topic), the same year ('93) that his conspiracy numbers paper was published. Strange coincidence ..Vas --------------- ...but I don't know if he is using it. For some reason there is a history of misdirection on this topic. IIRC, some microcomputer program authors in the 80's dropped hints that they were using conspiracy numbers, at least near evaluation endpoints; I think Kittinger used the term "nodulations". But there is nothing in the open literature supporting this and later academic authors came to the conclusion that conspiracy numbers didn't really work for chess. David McAllester and Deniz Yuret finally published their revised work (Alpha-Beta-Conspiracy Search. ICGA Journal, Vol. 25, No. 1 (March 2002), pp.16-35), nearly ten years after their initial experiments with the multiprocessor program Star-Socrates. I mentioned all this in an old post lamenting the lack of recent published work on different search paradigms: http://hornid.com/cgi-bin/ccc/topic_show.pl?pid=286391#pid286391 If you can get any variety of conspiracy numbers to work for chess, please publish your results! You can post your preliminary experiments here! :) -Walter
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.