Author: Bruce Moreland
Date: 09:49:38 01/18/00
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On January 17, 2000 at 16:47:24, Dann Corbit wrote: >I have a theory that NULL move hurts at very, very long calculation times. > >The reason I suspect that it is true is that if one position in ten thousand is >a zugzwang type and you consider a billion positions, a lot of them will be NULL >moves. Most of them will be the kind that really should be avoided (maybe 99% >or even 99.9%) but the 0.1-1% that really should be responded to get ignored. >When only a few million nodes are searched, I doubt if there is a problem except >in rare circumstances. > >Opinions? Am I all wet? Yes, you are all wet. I will resist the temptation to use a drug metaphor since people seem to be a little cranky about that today. I don't see any reason to suppose that you can't use induction to predict the characteristics of a 25-ply search by examining the characteristics of a 15-ply search. bruce
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