Author: David Eppstein
Date: 10:57:15 04/10/99
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On April 10, 1999 at 00:17:44, Richard A. Fowell (fowell@netcom.com) wrote: >On April 08, 1999 at 19:10:45, Charles Milton Ling wrote: > >>I suppose I am getting truly off-topic here, but I wasn't the first to bring up >>Bridge :-) Does anybody know of a freeware Bridge program available on the Net? >> Strength is not of paramount importance: I would put my "Bridge Elo" at 1200. >>Thanks! >>Charley > >See end of this message - first, let me insert some "on topic" stuff: > >Partition search? > >The page: >http://www.cirl.uoregon.edu/research/partitionSearch.html >discusses "partition search", and gives a paper. > >While applied in bridge software, it seems like it might be applicable >to chess, as might the techniques discussed on: >http://www.cirl.uoregon.edu/research/sysMethods.html > >Has anyone used these in chess? I was under the impression that this was just a way of identifying certain positions (bridge hands) as equivalent even though the actual cards are different. E.g. if you started with the Ace and King of hearts, then positions in which you've played the Ace and still hold the King are essentially the same as positions in which you've played the King and still hold the Ace, since all that matters is the ordering among the unplayed cards. Is there more to it than that? I'm not sure that anything like this really works in chess, although I guess PARADISE did some sort of automatic determination of moves that wouldn't make any difference to the attack it was planning.
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