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Subject: Re: Selective Searching

Author: Thorsten Czub

Date: 15:48:18 02/07/98

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>I'm not so sure.  Ed has said "no null move" for Rebel.  I believe Marty
>said the same about Mchess.  Looking at Hiarcs output, it seems that it
>doesn't either, based on the depth of search reported...  The only one I
>am certain about if Fritz, of course, that is a known null-mover.  Bruce
>and I are also big users of course.  I've used it since Beal's first
>paper
>on the subject in 1980-81 or so...

If null-move is so beuatiful and works so effective and without
overseeing important stuff, and gives more depth , why do you think is
rebel and mchess and hiarcs not using it ?
How can rebel9 and hiarcs6 lead the ssdf-list without null-move?

(IF they don't use it - we have no evidence, or ?).

Could we discuss null move, or is null move so SURE that we don't have
to discuss it ? And if it is so sure, why the hell don't they use it
?!!?

I would like to learn from you about null-move. How far can we trust it.
And despite trust, which negative effects can cause ed/marty/mark not to
use it (IF they don't use it - I am only quoting you).



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