Author: Uri Blass
Date: 09:42:23 10/30/00
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On October 30, 2000 at 10:43:26, walter irvin wrote: >On October 29, 2000 at 23:15:51, Michael Neish wrote: > >> >>Hello, >> >>I don't really want to post another naive "How many possible Chess positions are >>there?" comment, but I believe that of the huge number of possible positions >>only a relatively small fraction are actually interesting. What I mean is, if >>you could count all possible piece/square permutations I suppose most of them >>will be materially unbalanced, with the outcome generally in favour of the side >>with greater material. These positions could be considered "solved". Then a >>small fraction of these will be materially balanced or almost-balanced >>positions, with an unclear outcome, and could be considered "unsolved". >> >>Does anyone know whether any estimate has been made on the proportion of >>unsolved to solved positions in Chess? I guess it would represent a substantial >>trimming of the overall game tree. >> >>Cheers, >> >>Mike. >you know once you subtract all the assinine positions and get right down to >positions that can be safely reached vs strong opposition the actual number of >good positions is a number that alot of pc's could actually handle.i think >people try to make chess seem like this great unsolvable game when in reality if >all the junk were thrown out ,all the good positions prob fit on a 40 gig hard >drive. I totally disagree. 40 gig hard drive are not enough to save only the important 7 piece tablebases positions(even if you do not include positions when one side is clearly winning). It is possible to check it by doing a program that generates a random position with 7 pieces and counting the number of interesting positions. Uri
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