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Subject: Re: How does Chessbase show multiple lines of analysis?

Author: Dave Gomboc

Date: 12:31:37 02/08/00

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On February 08, 2000 at 13:22:29, Pete R. wrote:

>Multiple execution threads??  One thing that always strikes me is how easy it is
>to find forcing lines by using this feature, and via short searches one can find
>lines in a short time, based on the program's analysis, that are impossible for
>the program to find in a reasonable time from the root position.  In other words
>the only human intervention is to note how big the difference is between the
>preferred move and the next best moves, and prune lines accordingly.  In this
>way the major candidates are obvious and forcing and semi-forcing lines are
>trivially easy to follow.  Couldn't this be automated??  In theory alpha-beta
>does this, right?  But the reality is that programs tend to suck at finding deep
>forcing and nearly-forced lines, and it would take a dozen hours to get to a
>deep enough ply to find what you can find in a minute of noodling around with
>this feature.

This can, and has, been automated.  alpha-beta doesn't do this by default,
though.

Dave



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