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Subject: Re: Null-move R=? question

Author: Gian-Carlo Pascutto

Date: 10:07:31 09/29/99

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On September 29, 1999 at 05:43:38, Bas Hamstra wrote:
>
>r=2 is pretty standard for *whatever* depth. I would say: just set r=2 and be
>sure your engine thinks deep enough. If you set r=2 on decent hardware, you are
>*not* thinking 5 ply, but 10+. Or else you have something other than nullmove >to worry about. With r=2 you think at least 2 plies deeper than without null...

Hmm...assuming normal chess :)

See my reply to Robert's post why I think this doesn't apply.

>
>In case you play blitz/bullet on slow hardware: If Scrappy (=Crafty on >sometimes very slow hardware) thinks 5 ply, it just uses r=2.

Maybe, but that doesn't mean its the right thing to do in this case.
I assume it isn't called scrappy for nothing.

--
GCP



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