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Subject: Re: Question about Alpha-Beta-Improvements

Author: Rafael Andrist

Date: 03:02:34 04/24/01

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On April 23, 2001 at 11:36:50, Thomas Mayer wrote:

>Hi Rafael,
>
>if you have a branching factor of 9, even without hashing, your move ordering
>might be quite poor ! Even without hashing it should be somewhere around 5 or
>6... With hashing it must go down to 4-5... well, to get under 4 you need some
>other techniques, but first step is for sure to improve your move ordering...
>
>Greets, Thomas

After adding a killer heuristic, the branching factor has gone down to 6-7. Is
it really possible to get down to a branching factor 4-5 with a an
Alpha-Beta-search or is it necessary to add other pruning methods?

Thanks

Rafael B. Andrist



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