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Subject: Re: PVS or AlphaBeta? Anyone using AB?

Author: Frank Schneider

Date: 12:47:31 10/28/99

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On October 27, 1999 at 15:38:54, Frank Schneider wrote:

>Hi all,
>
>this is a question about the searchalgorithms used by other programs.
>Many programs and also Gromit seem to use PVS or MDT(f) which both use
>nullwindow-searches.
>Is there anyone using a search that doesn't do nullwindow searches?
>Why? Why not?
>
>
>Frank

Thanks for your answers!

Another idea I had in mind when asking that question was that alphabeta
might gain more than PVS from using hashtables that are not cleared
between the moves of a game. And singular extensions (or similar techniques)
should become simpler, too.

Frank




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