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This page was started because I could not find an appropriate page on the
Internet that explained exactly what NAGs were and how I could use them. I discovered the ChessPad PGN Editor which exploited non-standard NAGs to embed instructions to render a positional diagram. Further, there does not
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I think the symbols for initiative and attack are wrong. Right arrow should be attack and upwards arrow should be initiative. So the symbols are handled in the market leading chess database application
Chessbase and so they are declared on the chess informant page
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appear to be an authority accepting responsibility for defining (and publishing) standards for PGN file formats and the likes. So this page exists to be authorative at least in documenting the current state of play.
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The PGN Wikipage links to a valid site for a PGN specification which mentions NAG (sub-section 8.2.4) and defines first 140 (section 10)
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The server response is 403 forbidden due to wrong referer. However I used wget to make a backup copy at:
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on
Knowledge (XXG). If you would like to participate, please visit the project page, where you can join
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However, this file is not the full PGN specification, and does not mention NAG. --
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224:. I think chess informant invented these symbols, so they should be right.
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gopher://zzo38computer.org:70/0textfile/miscellaneous/chess/pgn.final.txt
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109:and see a list of open tasks.
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