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Subject: Re: Book design

Author: Robert Hyatt

Date: 16:51:40 11/28/02

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On November 28, 2002 at 04:23:15, Sune Fischer wrote:

>My present book format is really simple, too simple.
>I would like to use transpositions and book learning, so I need a new format.
>Is there a "standard" way of doing this, some well known technique which
>includes statistics for each line and makes it possible to transpose back into
>the book?
>I can only think of primitive ideas, like storing the full FEN and append each
>possible move reply to it. That will of course blow the book to a huge file. I
>guess some other hashing scheme can be done, but what is the _best_ way? :)

Store the "hash signature" for a position.  If you can make a move and reach
this hash signature, you know this is a book move...

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