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Subject: Re: negative extensions

Author: Tord Romstad

Date: 11:00:38 01/25/01

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On January 25, 2001 at 13:15:59, Ed Schröder wrote:

>The goal of null-move is to lower the (current) depth with X-plies, in
>CC terms called R=X. Most common is R=2. "R" stands for reduce.
>
>Of course you don't have to do a null-move to practise a R=2. In Rebel
>I do R=1, R=2 and complete razoring (R=INFINITE) based on eval and some
>special code not to prune / reduce important parts of the tree.

Do you use R=INFINITE for particularly bad-looking moves everywhere in the
tree, or just near the leaves?  It seems very dangerous to do this near the
root of the tree ...

Tord




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