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Subject: Re: About " Static Evaluation "

Author: Dave Gomboc

Date: 17:10:17 12/10/99

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On December 10, 1999 at 19:28:38, Fernando Villegas wrote:

>On December 10, 1999 at 17:27:46, Bruce Moreland wrote:
>
>>On December 10, 1999 at 13:04:18, Paulo Soares wrote:
>>
>>>Thanks by the explanations to my question in a previous line.
>>>Plus a question:
>>>
>>>" Static evaluation " is the first evaluation of the position for
>>>a program, that is to say the evaluation even before of depth 1. Rigth?
>>>As I could know the value of the " Static evaluation " of a program for
>>>a certain position?
>>>
>>>Paulo Soares, from Brazil
>>
>>"Static" means "not moving".  The idea is that you evaluate the position without
>>trying out specific moves.  You can do it at any point in the tree.  The typical
>>evaluation function is a static evaluation.
>>
>
>Hi bruce:
>explain me this, please: except extreme cases of a very unequal position, what
>sense has to evaluate something that will not be anymore once a move is done?
>seems to me like walking looking behind you how pretty has been the road and an
>abyss is waiting your next step. Of course there extensions, etc, but then,
>again, what purpose serve the static evaluation If the real thing comes from the
>future?
>fernando

The trick is to stop stepping and evaluate at a place where you're pretty
confident that you won't be surprised by what happens when you take your next
step.  This is what quiescence search is for.

Dave



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