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Subject: Extensions (concept) question.

Author: Alvaro Jose Povoa Cardoso

Date: 11:37:32 09/28/01


Suppose I'm doing a 12 ply search and at ply 2 I have a promotion or a pawn at
the 7th rank.
Should I extend? Or should I extend these cases only at frontier nodes /
qsearch?
My reason is that if we are a ply 2 we don't need to extend because we have 10
ply remaining to search.
But if we are at fontier nodes or at quiescence search then we need to search
deeper these and other cases.
So, could we only do extensions at frontier nodes and at qsearch?
Perhaps my idea/concept of extensions is incorrect.
Could someone comment on this?

Best regards,
Alvaro Cardoso



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