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Subject: Re: Interview with Ruffian programmer comment

Author: Mogens Larsen

Date: 07:07:06 10/10/02

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On October 10, 2002 at 09:12:11, Mike S. wrote:

>How can you tell *how* new moves were added to the book? I mean, isn't it
>possible that a PGN collection is updated with new games, and the automatic
>generation process is repeated?

Quite. And it is also possible that games have been removed as well. If you
cannot tune the book manually, removing or adding games with certain variations
is the only method. A very rough method of customization. To prove manual
adjustment, it's necessary to show that the move hasn't been played previously
or given special status despite more frequent alternatives (annotation).
Ruffian's booklearning adds ? and ! to the book, but that isn't Fritz like.

Regards,
Mogens



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