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Subject: Re: Yep :)

Author: Russell Reagan

Date: 14:47:06 09/16/03

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On September 16, 2003 at 17:11:03, Robert Hyatt wrote:

>That's certainly one way to do this...  And that's the basic idea, that some
>"characteristic" of the board is bad or good, not with respect to the color,
>but with respect to which side the computer is playing.

Ah, so I guess one very obvious example is opposition in the endgame, if I
understand correctly.

The difference is that if black has doubled pawns (and you penalize for this),
then black will carry that penalty regardless of which side is to move. The
opposition bonus (if you used this) would depend on which side is to move, and
so it isn't really "static".

So symmetrical evaluation is a pure "static" evaluation where the side to move
doesn't matter, while an asymmetrical one will include a bit of dynamism because
it will evaluate some things based upon the side to move. Is this correct?



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