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Subject: Re: Rebel - IsiChess: Some notes

Author: Gerd Isenberg

Date: 13:47:47 10/21/03

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On October 21, 2003 at 16:14:00, Russell Reagan wrote:

>On October 21, 2003 at 04:49:45, Gerd Isenberg wrote:
>
>>May be Dan Wulff's (Gandalf's Book Author) approach, to throw out all book
>>lines, where after a short analyses absulute score is greater some threshold, is
>>practical to avoid such book lines at all.
>
>So, for instance, if the program analyzed a line, and the score was greater
>than, say, +2.00 (or whatever the threshold is), remove it from the book and let
>the computer handle that position on its own? What reason would there be for not
>doing this?

Because there are many lines/positions in theory with huge dynamical versus
material compensation, where programs have no clue and are "helpless" without
human's knowledge in opening theory (even if it becomes better and better year
for year). Dan Wulff's idea is to play "solid" lines and to remove lines with

 abs(score) > X

and to trust Gandalf's skills and knowledge not to fall in opening traps.

Gerd



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