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Subject: Re: CM9000.OBK ---- > CTG problems, therefore DON'T USE IT!

Author: Drexel,Michael

Date: 15:36:56 04/27/04

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On April 26, 2004 at 21:47:30, Mike S. wrote:

>On April 26, 2004 at 14:46:24, Drexel,Michael wrote:
>
>>(...)
>>You should import the modified new *.obk books directly in Fritz.
>
>Why do you recommend that, when you wrote yourself "All variations are converted
>properly, however the probabilities are often wrong
>of course" ?? A book with wrong probabilities is worse than no book...

I didn't recommend it. It is the _only_ reasonable way to get the moves of the
new obk books in the Chessbase GUI.

Complain about the wrong probabilities at Chessbase.

>It was repeatedly posted in the past, that this conversion function OBK->CTG
>doesn't produce proper results. If a specific book for King (in Fritz) is
>required, it's better to use some common (not engine-specific) book, like those
>some fans have generated already, or generate a new CTG from a good database of
>games.
>
>Please do not use conversion garbage as a book for The King (nor for any other
>engine), as this will be a big disadvantage and give an unfair wrong impression
>of the engine's strength!

This is just your guess. The converted book might even perform better for The
King than the original book.
Unlikely, but not impossible.

Michael

>
>Regards,
>M.Scheidl



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