Author: Russell Reagan
Date: 14:09:12 11/20/03
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On November 20, 2003 at 16:47:03, Uri Blass wrote: >The gap between Crafty and Shredder7.04 is 197 elo and even the optimistic >prediction of 70 elo per doubling the speed do not give it 197 elo. Some people think 70 ELO is low for a 2x speedup. http://citeseer.nj.nec.com/ciancarini94comparison.html "For instance, some experiments found that improving 5 times the running time of such an algorithm the playing strength of a chess programs improves about 200 Elo points." Their reference for that is: K.Thompson, "Computer Chess Strength", Advances in Computer Chess 3, M.R.B. Clarke (Ed.), Pergamon Press, (1982), 55-56. That would mean a 2x speedup was worth 80 ELO.
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