Computer Chess Club Archives




Subject: Extended futility prunning not working

Author: Cesar Contreras

Date: 12:04:54 08/03/04


I'm working on extended futility prunning and it's not working, it seems to make
a node reduction, but it plays worse than without it.

My question is, do any of you have seen good improvement using extended futility

what normal futility margin do you use?
what extended futility margin do you use?

Thank you.

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