Author: Marc Bourzutschky
Date: 17:29:55 05/16/04
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On May 16, 2004 at 19:49:47, Russell Reagan wrote: >On May 16, 2004 at 19:30:28, Marc Bourzutschky wrote: > >>"Game theoretically different positions" as in my original post is a precise >>formulation of the question, since it is the number of starting positions that >>have to be completely analyzed to get a full description of the game. > >I guess I've never heard this term used before. Is it a widely used term? Does >"game theoretical position" always refer to the starting positions that must be >analyzed to get a full description of the game? Google comes up with only a >single webpage containing the term, and that webpage is about politics. > >I've heard of game theoretical results or values, which is the outcome with best >play by both sides. In that context, "game theoretically different positions" >doesn't make sense to me. > >In any case, if your definition of "game theoretically different positions" is >"the number of starting positions that have to be completely analyzed to get a >full description of the game", then I think your answer is wrong. > >If I fully analyze this position: > >[D]rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w > >Then I don't need to analyze this position to get a full description of the >game, since it would have been previously analyzed in a subtree from the >position above: > >[D]rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/NRBQKBNR w > >Or do I still misunderstand what you are asking? > We are rapidly getting into splitting hairs territory, but your two positions are different because they have different move numbers. Because of the 50 move rule, this can have an effect on the valuation, so potentially different analysis is needed depending how deep in the tree you are.
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