Author: Robert Hyatt
Date: 09:15:35 01/14/02
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On January 14, 2002 at 12:04:02, David Rasmussen wrote: >On January 14, 2002 at 11:30:02, Severi Salminen wrote: > >>>How important is the Null Move Threat Extension in practical play? I would >>>imagine that it solves some tactical problems faster, i.e. it scores better on >>>WAC, but does it win games (or draw games that would otherwise have been lost)? >> >>Sorry my ignorance, but what is NMTE? If nullmove search returns something way >>below alpha, you trigger an extension? >> >>Severi > >Yep. Well, most people do it only for mate threats (say, value < -MATE + 100), >but I have experimented with doing it for (value < alpha - whatever). It didn't >seem to do anything but make the tree larger. > >/David The mate threat idea is something different. I think Bruce was the first to mention this idea. The original "vanilla threat" approach was written up in the JICCA many years ago... I explained the basic idea in another post in this thread...
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