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Subject: Re: PGN question for Steven J. Edwards

Author: Steven J. Edwards

Date: 00:06:27 06/10/98

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On June 09, 1998 at 19:51:03, Robert Hyatt wrote:

>if we are going to nitpick the standard, here is one thing that is
>really ugly:  when you output a variation with black to move, it
>apparently should be done like this:  15... Nf6 Nf3 d5 etc.  That
>"15..." is totally illogical.  for normal moves we see 15. e4 h6 16.
>Nf6 and so forth.. so that the move number is one "token", then it
>must be followed by a white move, and a black move.  Using "15..."
>violates that and is more difficult to parse to boot, since most
>scanf() input readers will suck in 15... as one string...
>
>why not use the more common 15. ... Nf6 format, where a separate
>token (...) indicates that the white move is omitted.  This seems more
>common in published analysis and it is much more compatible with normal
>parsing algorithms...

I have strong agreement with this as it does make things more
consistent.  Also, there is a precedent in ANSI C with the same ...
elipsis token (for variable count formal parameter list declarations).

The print literature is divided on this.  (As it is on most things.)
Personally, I would like to not have any period immediately following
the fullmove number, but the voting back in 1992 was well in favor of
making move numbers look like decimals.

-- Steven (sje@mv.mv.com)



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