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Subject: Re: So which programs beat which, only due to superior chess understanding?

Author: Steve Maughan

Date: 03:33:48 05/06/02

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Christophe,

>"Knowledge" in the sense of positional evaluation (that's what most people
>think about when they talk about knowledge) makes for 10% of the strength of a
>chess program.
>
>Chess is 90% about tactics (which is a concept close to "search").

I think it was Alekehine that said chess was 99% tactics - so maybe you're
giving too much weight to positional terms :-)).

However, isn't it a little misleading to talk about percentages since you only
need to make one positional mistake to lose the game.  So if you make one
positional error every ten moves you're going to have a weak program.

Here's another similar question - how strong do you think Tiger would be if you
replaced the evaluation with a static piece table evaluation (i.e. evaluation
that is the same for *all* positons)?  Would it be CT - 200 ELO?

Regards,

Steve

PS it may be a nice feature in future version to be able to select the type of
evaluation - full, piece table or material only!!



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