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Subject: Re: Problem with CM8k

Author: David Dahlem

Date: 09:32:56 04/06/01

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On April 06, 2001 at 11:48:19, John Merlino wrote:

>On April 06, 2001 at 11:06:24, Antonio Senatore wrote:
>
>>Hi friends:
>>
>>I am trying to build a new openings book for CM8K through the import of *.pgn
>>files but I obtain the following message:
>>
>>Import Error: the PGN file contains too many moves
>>
>>What does this mean?
>>How can I solve it?
>>
>>Can anyone help me?
>>
>>Thanks in advance.
>>
>>
>>Antonio
>
>The opening book format in CM8000 has a maximum limit of 64K moves (about
>65,000). If the PGN file contains too many games (or the "Depth" setting you
>used is too high), then you are likely to get this error. Usually, I use a PGN
>file with no more than 3000 games, and I set the depth to be 30, if the book is
>going to be used as an "all-purpose" book.
>
>If the book is going to be specific to a single opening (i.e. a Sicilian Defense
>book), then you can usually go to a depth of 40.
>
>jm

Chessmaster is the only quality chess program i know of that limits the number
of moves in its opening book format. Are there any plans to remove this limit in
future versions? I doubt a really strong book can be created with a limit of
65,000 moves.

Dave
Dave



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