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Subject: Re: Opening books

Author: Norm Pollock

Date: 06:53:59 08/06/04

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On August 06, 2004 at 08:30:26, Kurt Utzinger wrote:

>On August 06, 2004 at 08:22:22, Eydun Lamhauge wrote:
>
>>Different chess engines have apparently different opening books.
>>Are all chess engines authors to create their own opening book? Or does there
>>exist "free" opening books that many engines are implementing?
>
>     All commercial engines and almost free engines come with
>     their own books. On the other hand there are a lot of
>     other (free) books available which were created by some
>     people in CB-/Arena- and other formats.
>     Kurt [http://www.utzingerk.com]

And you can create your own opening book. Use a database program like Scid to
create a big pgn file from existing pgn files on the web. Many engines allow you
to make a book (for that engine) from that pgn file.

Just a word of caution. Some guis allow both engines in an engine-engine match
to share the same book. That is OK provided learning is OFF. Learning should be
off unless it is for a book dedicated to one particular engine. And if that
engine is updated, it is not good to use the learning from the previous version.



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