Author: Tord Romstad
Date: 03:17:46 03/26/04
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On March 26, 2004 at 04:43:23, Uri Blass wrote: >I also doubt if history based pruning was used in 1995 or 1999. They date back at least to the early 90s, IIRC. I no longer remember the first time I read about them, but it's a *really* long time ago. >I also doubt if the botvinik extension was used in 1995 or 1999. You're right, it's possible that the Botvinnik-Markoff extension wasn't very common back then. >You also have your ideas for reductions or extensions that were probably not >used in 1995 or 1999. I use mostly static tricks which have been out of fashion for more than 20 years. :-) Tord
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