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Subject: Re: right. multivariation is

Author: Eelco de Groot

Date: 15:46:49 03/09/01

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On March 09, 2001 at 16:59:41, Thorsten Czub wrote:

>one major things chessbase invented that is that good that others
>HAVE to copy it.
>
>thanks to chessbase. thanks to ed and christophe.


Hi Thorsten,

Yes, I agree. I think there is also much potential in position learning and the
way Ed has programed that wit CAT in Rebel Century 3, actually. If you can
combine that with all the analysis that Dann has been collecting for the Chess
Analysis Project and if people could send in findings of their own, with 3-best
lines (I don't think that is possible with CAT at the moment) you would have
three good lines already for a position and the first three moves in very good
sorted order too which does not happen in alpha-beta, it should be possible to
speed up the search for the next iteration, make it possible for a program to
vary it's play by choosing a good second best move every now and then, give
comments about other lines in a position, lines to avoid etc... And it could act
as a repository of chess knowledge, copyright questions of published grandmaster
analysis lines would have to be considered of course.

Robert Hyatt said position learning was first mentioned by David Slate and Tony
Scherzer in ICCA Journal, I mention it because somebody asked about women in
computer chess and Tony and Linda Scherzer were another couple, with their
program "Bebe". I believe Tony Scherzer doesn't live anymore.

Anyway it doen't seem terribly difficult to program such a thing, position
learning, wouldn't it be something for Chris Whittington to put into Tal? If
Chris ever decides he wants to try something new for his program again...



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