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Subject: Re: Extended futility prunning not working

Author: Gerd Isenberg

Date: 13:00:32 08/03/04

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On August 03, 2004 at 15:04:54, Cesar Contreras wrote:

>Hi
>
>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
>prunning?
>
>what normal futility margin do you use?
>what extended futility margin do you use?
>
>Thank you.

There is a post script file to download from

http://supertech.lcs.mit.edu/~heinz/node17.html

8.
    E.A. Heinz.
    Extended futility pruning.
    In ICCA Journal, Vol. 21, No. 2, pages 75-83, June 1998.
    (published by the ICCA; preprint available from here)



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