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Subject: singular extension

Author: Frank Phillips

Date: 13:13:22 08/20/00


Can anyone sketch out the singular extension algorithm.  I found some general
information on the net, but nothing that helps me understand how to implement it
in a PVS alpha/beta search.  Descriptions tended to mention only that it is
invoked when there are only a few good moves in a variation.  Since alpha/beta
does not yield the value of moves other than the principal variation, I am not
sure what this means in practice.

Frank



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