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Subject: Re: Has CSTAL an Special Search Device?

Author: Edward Screven

Date: 12:54:49 04/08/98

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On April 07, 1998 at 23:01:40, Fernando Villegas wrote:

>My impression was and is this: that CSTAL not only make good use of a
>far great knowledge code than other programs, but besides, and maybe
>more important, it makes use of a search technique very different to the
>well known Maximin kind of search, where in each node the program pick
>up the moves that gives the lower rating -or the less high- to his
>rival.
>It’s my impression that CSTAL uses a search technique where the purpose
>is, inside certain limits, to get  moves that produces maximal pressure
>for the adversary and not the minimal score for his best available move.
> That “maximal pressure” would be equal to get a maximal number of
>threats and dangers for the rival even at the cost, some times, to let
>one or more candidate moves that, if picked up, surpass the maximin
>standard approach.

or perhaps CSTAL uses a conventional search algorithm coupled with
an evaluation function that includes large terms for threats.

    - edward




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