Author: Danniel Corbit
Date: 21:50:21 07/28/98
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On July 28, 1998 at 14:50:47, Tom Kerrigan wrote: >You're right. Your suggestion has downgraded the problem from impossible to >slightly less impossible. :) I suspect that in reality, the number of sensible moves drops off very, very rapidly. If you look at a database of 500K GM games, after about 10 plies, the number of different moves taken rapidly tails away. By 10 moves, there are usually only 2 or three popular options. While it is true that there will be about 28 possible moves or so at each junction, how many of those are really good moves compared with planting your queen in pawn capture position and other stupid nonesense? Every good move has purpose, and I really wonder how many really good purposes there are at any juncture. While I will admit that an _exhaustive_ search would be necessary for an absolutely thorough search of the solution space, the lost games by only looking at the three best will be a tiny fraction [in my mind anyway -- and only shooting from the hip by looking at huge sets of games by experts]. I believe that the subset of _sensible_ games is astronomically compact compared to the set of _possible_ games. [snip] Another avenue worth exploring is what happens when a GM takes off on a non-standard opening against a congruent opponent.
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