Computer Chess Club Archives




Subject: Double Null move?

Author: Steve Maughan

Date: 09:28:01 07/13/01

I'm thinking of implementing double null move in my program.  Now as far as I
know the most conventional way is to do the normal null move search and if there
is a cutoff follow it with a normal search at reduced depth to confirm no
zugwag.  However I do remember that someone here (Vincent?) outlined a different
way of doing double null move.  Is there another way?  If there is, what are the
pros and cons of each?



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