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Subject: Re: Randomly picking between 2 or more equivelent moves?

Author: Gian-Carlo Pascutto

Date: 00:50:26 05/26/02

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On May 26, 2002 at 01:20:51, Christophe Theron wrote:

>On May 26, 2002 at 01:04:05, J. C. Boco wrote:
>
>>Christophe,
>>
>>If I might I have a suggestion for the ChessTiger program.  Can you add a random
>>factor into the program, such that if it finds 2 or more moves which return the
>>same score the program will randomly pick 1 of the 2 (or more) candidate moves?
>>In this way it will offer more variety in how it plays, in addition to the 4
>>personalities and anti-human on/off settings.
>
>
>Alphabeta does not allow to do this without a huge slowdown.
>
>I think I'll add a much bigger book, so variety will come from the book. That's
>how the PC chess programs do it.

If you have piece-square tables, you can add a small random factor before
the game starts and have chaos theory do the rest.

--
GCP



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