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Subject: Re: Ten years later: revising EPD/FEN/PGN

Author: Dann Corbit

Date: 12:37:14 09/11/03

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On September 10, 2003 at 22:38:51, Michael D. Sharpe wrote:

>>A formal standard for a compact binary format would be nice.  I have some
>>suggestions there.
>
>I'd be glad to see your suggestions.  But the case for the need of a compact
>binary format (it was called "PGC" in the old specification) must show why
>today's gzip and its friends are significantly less suitable.

Because I am going to store the information in a database.  Gzip might squish it
nicely, but you won't be able to find anything.

>A few percentage
>points of improvement in speed or size may not be worth the burden of having to
>support a baroque coding mechanism.

A 10x reduction in size means that you can store ten times as much stuff in the
same disk space and fit ten times more information in memory before you run out
of  space.

>The late Paul Onstad published material on a PGC format including code and a
>DLL. His programs which used this compressed form of PGN and the code for PGC
>can be found at www.pgn.freeservers.com.



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