Author: Omid David Tabibi
Date: 10:52:33 11/21/02
Go up one level in this thread
On November 21, 2002 at 13:05:28, Uri Blass wrote: >On November 21, 2002 at 09:16:09, Omid David Tabibi wrote: > >>On November 21, 2002 at 08:34:36, Uri Blass wrote: >> >>>1)I do not find in the pseudo code in figure 3 undo null move. >>> >>>I assume that it should be before if value>=beta and after value=-search(...) >>>Am I right? >>> >> >>That is why it is called *pseudo*-code :-) >>You have to fill in the obvious parts by yourself... >> >> >>>2)What is the value of the research for tactical strength? >>>Should it help significantly relative to searching to reduced depth when >>>value>=beta without research (even when we get value that is less than beta). >>> >> >>I didn't understand the question. Dp you mean doing a shallow search even when >>we don't have a fail-high report?! > >I meant to ask what is the tactical value of the research(You suggested people >to start with doing it without the research first and only after it works to do >it with the research) > The re-search is needed only in zugzwang positions. Such zugzwang positions occur very rarely in midgames; so you can forgo the zugzwang detection re-search and still benefit all the improved tactical performance. >Uri
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