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Subject: Re: Blunder check on opening book

Author: Mike S.

Date: 16:56:21 12/16/03

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On December 16, 2003 at 18:10:01, m.d.hurd wrote:

>Is there any way to analyse or blunder check an small opening book I have
>created within Fritz gui ?

Run an engine match with very many games using that book, but set the move limit
in the match dialogue to "1" only. This will produce short "games" where only
one "out of book" move will be calculated by the engine each. I think, for real
blunders to spot only a few seconds per move will be sufficient, i.e. just
enough to reach ~8 plies depth. If high evals occur, you'd have to investigate
further anyway.

This doesn't check every move though, but only the resulting positions at the
end of the book variants. Maybe it's recommendable to repeat that test with
different F4 book options.

The F1 help says about this:

"Move limit: This limits the length of individual games. The number gives the
number of ply (half-moves) after leaving the openings book. In the database, the
games are stored without a result, but with an evaluation symbol.

Tip: If you want to check an openings book, set the move limit to “1”. The
program will go to the ends of different lines, calculate one move and save them
with an evaluation symbol."

Regards,
M.Scheidl



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