Author: Robert Hyatt
Date: 10:15:28 10/11/02
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On October 11, 2002 at 04:43:55, Russell Reagan wrote: >On October 10, 2002 at 14:29:56, Robert Hyatt wrote: > >>First, you are comparing apples and oranges. It is _impossible_ to do a >>full-width >>12 ply search in 3 minutes, for typical positions, using only a PIII/850. My >>tests with >>Crafty was producing 9-10 ply searches at best for 2 minutes a move. Fritz does >>some >>forward pruning _besides_ null-move, which makes the comparison with and without >>not so meaningful. > >So would you say your test are specifically related to null-move? Or were they >meant to test forward pruning vs. no forward pruning in general? > >Russell I was just trying to answer the question: "what is the Elo improvement for a program that uses null-move over a program that does not, everything else being _identical_??" The last time I had tried this I got numbers between 50 and 100. Seems to still be the case, if we are talking about longer games (not blitz).
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