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Subject: Re: Computers and Opening Books

Author: James Swafford

Date: 11:25:53 02/18/01

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On February 18, 2001 at 13:01:19, Dana Turnmire wrote:

>  So would the ideal situation be to have individual opening books to use as the
>occasion might occur?  If someone were to play 1.e4 you could put in the
>Sicilian or whatever defense you wish to play with only the best lines for Black
>included?

Ahh... I think I see what you're getting at.  Well, I never "told" my
program which line to play.  As previously mentioned, there were numerous
positions resulting from the possible moves stored in the book.
Each position had a score, so the program would do one of the following:
1.  play the move that led to the position with the highest score
2.  choose at random among moves that led to positions that weren't
    previously learned to be bad
3.  choose the most popular move

There are a number of ways to do it.

If you wanted the program to favor the Sicilian (or any other line),
you could weight the scores or use some special flag variable in the
book.

--
James



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