Author: Dann Corbit
Date: 16:24:48 05/19/99
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On May 19, 1999 at 18:47:25, Brett Clark wrote: >There are more possible moves in a chess game than there are molecules in the >universe. For that reason, I don't think that we'll ever see a computer play >"1. e4, mate in 50". That may be an overestimate. There are (according to some sources) only 10^52 possible chess board positions [You don't need to know all the moves if you know all the positions -- transpositions are unimportant]. There are (according to other sources) about 10^82 elementary particles in the observable universe. It would be a bit strange if the average molecule had 10^30 particles in it. OTOH, I suspect you are right about "1. e4, mate in 50" being a long way off. I think that we should always be careful to say what is impossible or possible. There are sometimes new ways of looking at things.
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