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Subject: Re: Variable selectivity, or deeper search.

Author: Aaron Tay

Date: 10:37:31 09/22/00

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On September 22, 2000 at 12:04:39, Robert Hyatt wrote:

>On September 22, 2000 at 09:48:49, Kim Roper Jensen wrote:
>
>>Hi All
>>
>>I saw the post about variable selectivity, and wondered.
>>
>>How about having a "turbulence" ( this comes from an article in the book
>>Computer chess Compendium ) variable,

>>Is this something thats tried ??

>>With regards Kim


>That is actually backward from the way selectivity has to work to be effective.
>If you have a large number of moves to choose from, if you don't toss many of
>them, then your search will be way shallower than when you do.
>
>That is the catch-22 of selectivity in its many forms.  The more you toss out,
>the deeper you go, and the more you see, and the more you also miss.
>
>The less you toss out, the shallower you go, the less you see, and the less
>you also miss.
>
>Which is better?  :)

Well it depends is a safe answer right?



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