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Subject: Re: Writing a meta-language to describe eval function

Author: Andrei Fortuna

Date: 23:51:55 07/02/03

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On July 02, 2003 at 18:11:30, Matthew White wrote:
>
>Defining tempi is a very difficult question... I am not exactly sure how to do
>it. The only straightforward way that I can think of doing it in an opening is
>to count the number of pieces that have been moved from their original squares
>(or the number of moves remaining to connect the rooks), and to do the same for
>the opponent. The difference is the time advantage/disadvantage. I believe that
>most programs ignore time as a factor, but I could be wrong. I think it would be
>a big step towards improving opening play if we could figure out a way to
>incorporate tempo, though...

A problem - as far as a I understand - is that there are modern openings where
the tempi rule doesn't hold - some pieces are moved more than once, more than
2-3 pawn moves in the the opening, etc. John Watson in "Secrets of Modern Chess
Strategy" (Chapter 2) gives some examples on those an an ample discussion on the
subject. That is why I see a good opening book as essential.

Andrei



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