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Subject: Re: Static Evaluation Function

Author: Ryan B.

Date: 11:46:12 04/06/05

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On April 06, 2005 at 12:09:01, Graham Laight wrote:

>On April 06, 2005 at 11:39:47, Ryan B. wrote:
>
>>On April 06, 2005 at 10:59:26, Graham Laight wrote:
>>
>>>On April 06, 2005 at 10:32:43, Meg Ryan wrote:
>>>
>>>>Has anyone got any advice of writing a good position eval?
>>>
>>>* write a function that takes two chess positions and produces a value between 0
>>>and 1 depending on how closely they match
>>>
>>>* match the given position with every position in the chessbase database,
>>>scoring it as 1 if the player won, 0.5 if the game drew, or 0 if the player
>>>lost. Use the position matching function as a weighting, and then sum your total
>>>answers
>>>
>>>-g
>>>
>>>>Cheers!
>>
>>Ouch, too costly.
>
>Meg asked for "good", not "cheap".   ;-)
>
>-g
>


You got me there.  Anyway the idea I suggested even is too costly for computer
vs. computer play in my experience.  However it is fun to play with playing
against humans or analyzing a position.



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