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Subject: Re: CM8K openings: a bug (Falkbeer)

Author: John Merlino

Date: 18:37:06 03/21/01

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On March 21, 2001 at 20:17:58, Mike S. wrote:

>It appears as if the CM8K (patched or unpatched) likes to play the King's
>Gambit, but doesn't know the Falkbeer counter gambit. It has to calculate after
>1.e4 e5 2.f4 d5. - Of course, this opening has not been forgotten; the
>CM8000.obk contains a long line until the 12th move actually. But CM doesn't
>access these book moves.
>
>Btw. this problem occured during the computer tournament held in Aufseß,
>Germany, recently. Results and PGN at the web pages of Mr. F.Wiesenecker:
>
>http://members.aon.at/wck/
>
>The game where CM8K had the Falkbeer problem, was against Shredder 5 in the 8th
>round.
>
>Regards,
>M.Scheidl

This is not a bug, at least not a bug in accessing the data. 2...d5 has a 0
priority, as do all subsequent moves in the line, meaning they will never be
played. I don't profess to know WHY they have a 0 priority, but they do. This,
therefore, means that the program is behaving properly according to the book
data.

jm



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