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Subject: Re: Opening books

Author: Colin Frayn

Date: 04:46:19 02/03/00

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On February 02, 2000 at 22:52:09, Aaron Tay wrote:

>Well ,this may be a even dumber idea..

>Since ColChess is no match for crafty, and basically most openings Crafty plays
>wins (excepting really BAD errors) , why not play out games between 2 equally
>strong programs like Crafty and say goliath and use the output from both for
>your opening book??

Yes, but that would mean a lot of coding :)

I'm just building up a basic opening book at the moment, then , as you say, it
will be worth playing my program against another one of roughly the same
standard.  Problem was that all programs are better than it, and ever more so
without an opening book, so I just wanted to have _something_ to start off with.
 Anyway - it's drawn a few times with Crafty now :))

I think the plan is to remove NULL move from GNUChess and play the two.  That
should be reasonably fair I reckon.  Currently the opening book that ColChess
has managed to create is 193 positions, with some 16 ply variations in it. Not
bad.  I just watched it play the Sicilian Najdorf perfectly when all I taught it
was to occasionally play 1. ... c5 after 1. e4.  I'm certainly happy with its
progress so far.

I'll let you know how I get on.

Cheers,
Colin



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