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Subject: Re: Opening Preparation in CCT1

Author: Robert Hyatt

Date: 08:57:42 02/10/00

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On February 10, 2000 at 06:57:58, Andrew Williams wrote:

>Here's a quick question: What opening preparations did other programmers make
>for CCT1? I'm interested mostly in the other "amateur" programmers, but I'd
>also like to know how/if the professionals prepared.


I showed up with my normal book.  No special preparation of any kind as I
don't have time to "waste" on book twiddling...



>
>In PostModernist's case I decided that if I was drawn against a professional
>program I would go out of my way to try to find an opening it wasn't happy
>with, but with the other amateur programs, I would not bother. So, using the
>excellent chess database, Scid, I prepared White and  Black tournament books
>based on the openings with which PM had had most success on ICC (I had a
>database of > 9000) games. I was surprised to find that there is quite a
>difference between PM's results with 1.d4 and 1.e4
>
>My first opportunity for a bit of book-cooking was against Shredder. PM has
>beaten Shredder (account vodka) three times on ICC, so I added these three
>games to my book to see what happened... The result was that Shredder evaded
>my "home preparation" on move one!
>
>Immediately after Shredder I was drawn against Diep, but I stupidly forgot that
>Vincent's program is for sale, so I didn't do anything to prepare for Vinctent's
>expected 1. d4 d5  2. a3  I'm not claiming PM would  have won, but it might have
>put up a better show than it did in this game.
>
>After the first weekend, I looked again at some of the lines in my book and
>again using Scid's excellent "Tree Search Mode" I made some extensions to the
>lines in my tournament book.
>
>The only other "professional" I played was Junior, but there was a late pairing
>change and I only had a few minutes before the game, so I couldn't have done
>anything anyway.
>
>Interestingly, against two of my later opponents, Grok and EXchess, PM ended up
>in openings that it had lost recently against these opponents. I wonder whether
>this was deliberate or just coincidence? Peter? Dan?
>
>I think that possibly I was just wasting my time with all this "work", but
>I must say that it contributed to my enjoyment of the whole event.
>
>Andrew Williams



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