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Subject: Re: Effect of opening book

Author: Robert Hyatt

Date: 10:33:10 09/07/04

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On September 06, 2004 at 09:39:54, Igor Gorelikov wrote:

>On September 06, 2004 at 07:43:07, Eydun Lamhauge wrote:
>
>>Almost all chess engines today have their own opening book. Is it possible to
>>say, how many rating points approx. a chess engine with an average opening-book
>>is stronger than the same chess engine without any opening book?
>
>For games vs humans it's invaluable!
>I can easily beat/draw any top engine without book after a number of preliminary
>blitz games.
>
>Igor Gorelikov


You might find that harder for those programs that have "position learning".
This is _exactly_ what position learning is set up to handle, to make it
difficult to play the same opening moves over and over as you are doing.

Crafty should make that kind of plan hard to use, since it will vary because of
the position learning, even without any opening book at all....




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