Author: Christophe Theron
Date: 16:17:55 02/17/99
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On February 17, 1999 at 17:23:15, Don Dailey wrote:
(snip)
>So since I'm on the subject, how many of the programmers out their
>subscribe to asymmetric scoring, where certain terms get weighted
>differently depending on whether the computer or the computers opponent
>possess them?
Tiger uses asymetric scoring, but I'd prefer to have a symetric eval if I
could...
>The idea is that it might be easier to prevent something you don't
>understand, although you might not take a chance on doing it yourself.
>A simple example is king safety. We may not want to commit our program
>to a risky king side attack against the opponent, but it might make
>sense to be paranoid about allowing the opponent a similar chance. In
>one case you are playing a committal and risky move, and in the other you
>may simply be playing a simple move to prevent any possible trouble.
That's exactly one of the place where I use asymetry, for the reasons you are
giving here...
I have another asymetric term in the pawn structure evaluation when I know I'm
playing against a human player.
Christophe
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