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Subject: Re: Would anyone agree that all the top progams ..

Author: chandler yergin

Date: 01:08:20 10/11/05

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On October 11, 2005 at 02:26:24, Dann Corbit wrote:

>On October 10, 2005 at 23:05:39, chandler yergin wrote:
>
>>Use basically the same Alpha Beta Mini/Max search functions?
>
>Everyone uses some variant of Alpha-Beta.
>
>There is a paper that shows that MTD(f), C* and other variants can all be
>formualted in terms of a common architecture.
>
>Basically the same is a big stretch though.
>
>The important thing is the branching factor.  The best programs will have (on
>average) a branching factor less than 3 most of the time.  The alpha-beta
>branching factor is about 6 in a perfectly ordered tree.  Therefore, there is
>some pruning besides alpha beta going on in all the really strong programs.

Thanks Dann



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