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Subject: Re: Passed Pawn Extensions

Author: Roberto Waldteufel

Date: 00:33:08 05/25/00

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[snip]

>I'm not confident that this type of extension (only at frontier nodes) is very
>useful.  Lots of dangerous variations involve the passer push further up the
>tree.  I think I extend for all pawn pushes to the 7th in my program.
>
[snip]

This is maybe part of the problem in my program. It would be easy enough to
change so as to always extend pawn pushes to the 7th rank. Do you ever extend
for pawn pushes further back, eg to the 6th or even 5th rank?

Best wishes,

Roberto



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