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Subject: Re: File name extensions

Author: José de Jesús García Ruvalcaba

Date: 05:38:23 11/15/00

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On November 14, 2000 at 14:13:42, Robert Hyatt wrote:

>On November 14, 2000 at 07:57:57, Steve Coladonato wrote:
>
>>On November 14, 2000 at 07:54:40, Vincent Lejeune wrote:
>>
>>>On November 14, 2000 at 07:34:44, Leen Ammeraal wrote:
>>>
>>>>Can someone please explain the file name extensions
>>>>.pgn and .fen to me? Are they abbreviations?
>>>>Leen Ammeraal
>>>
>>>PGN = Portable Game Notation
>>>FEN : I don't remember well , sorry
>>
>>FEN is "Forsyth-Edwards Notation"; it is a standard for describing chess
>>positions using the ASCII character set.
>>
>>Taken from: http://www.rhrk.uni-kl.de/~wehner/chess/fentxt.html
>
>
>I am not sure where the "Edwards" in Forsythe-Edwards Notation came from.
>I used this notation in 1973.  I got it from a program named "Coko" written
>by Dennis Cooper and Ed Kozdrowicki.  That program played in the first ACM
>event in 1970.  I knew this form of notation as "Forsythe" back then.  The
>"edwards" might have come from Steven formalizing it into a specification?

Forsythe only did the position specification, it has been used since ages to
write down adjourned position.
The side to move, castling and en-passant rights, move number and 50-move rule
ply counter are due to Edwards.
José.



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