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Subject: Re: The book issue

Author: Mike S.

Date: 08:16:56 08/25/02

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On August 25, 2002 at 10:12:53, Uri Blass wrote:

>(...)
>It is important to get positions that you understand from the opening.
>If the fritz book is leading your engine to positions that your engine does not
>know to play then it is a disadvantage.

So you probably think movei would score *less* with the Fritz 7 book? :o))

Book depth and variety (knowledge of seldom openings) matter *much* more. The
Fritz7.ctg is prepared for virtually *everything* IMO. I've seen very seldom
lines, gambit variations which are not played in Grandmaster chess, etc.

A good book has approx. 7969878 phantastillions of positions where the
variations end (and still 2495898 phantastillions if you limit the book variety
in a reasonable way), so what's that talk about "understanding"? You can try to
tune some *main lines*... but then the opponent plays a seldom side-variation,
and you can forget the book tuning. You can't avoid that, and you just can't
fine-tune a large book for every possible opening line of 907396720374034
possibilities. Impossible.

The SSDF must have been aware that using the Fritz7.ctg for Gromit would raise
discussions, as opening books are always an issue, and it was a big issue in CCC
recently who, and for what, should use which book. Tony Hedlund and other SSDF
members who read CCC, must have noticed that.

Personally it doesn't bother me, I just wonder why it wasn't possible to find
another alternative which was less likely to be questioned. For example, Pocket
Grandmaster surely has it's own book. Probably the games which it is based on,
could have been used to design a Gromit CTG book too. Sounds easy.

Regards,
M.Scheidl



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