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Subject: Re: Research idea? re: weight optimization

Author: Albert Silver

Date: 05:17:57 12/30/01

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On December 29, 2001 at 17:13:34, Tom Kerrigan wrote:

>On December 29, 2001 at 12:15:17, Albert Silver wrote:
>
>>a question of one move, but all the moves that lead to it as well. Another
>>problem is that you may be choosing a position that also requires a certain
>>depth to be achieved even with the correct criteria and weights, and that depth
>
>At some point, you have to consider the eval function a predictor of the future.
>Any term in an eval function exists to solve some tactical problem that occurs
>in the unforseen future...
>
>-Tom

That depends entirely on your definition of tactics. Not all fatal positional
problems lead to tactical problems even when they are losing. Tactics and
calculation aren't the same thing. On the other hand, one can definitely
consider a positional problem to BE a very long-term tactical problem, but that
doesn't mean other tactical issues will result from it later. Still, that has
littel to do with the issue I presented. How can you solve a 5-move deep
combination, where the final key is in the last ply, in 3 moves? Even if you
change all the weights to force the right answer in only 3 moves, then based on
what did it find the move? Tarot card reading?

                                         Albert



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