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EmbedChessboard

December 22nd, 2013

EmbedChessboardPlugin to embed a javascript chessboard in joomla articles for replaying chess games.

The plugin enables a new bbcode tag in joomla articles that translates in a graphical chessboard, using the following syntax:

[pgn parameter=value …]
chess games notation in PGN format
[/pgn]

Example:

[pgn initialHalfmove=16 autoplayMode=none]

[Event “World championship”]
[Site “Moscow URS”]
[Date “1985.10.15”]
[Round “16”]
[White “Karpov”]
[Black “Kasparov”]
[Result “0-1”]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8.
Na3 d5 9. cxd5 exd5 10. exd5 Nb4 11. Be2 Bc5 12. O-O O-O 13. Bf3 Bf5 14.
Bg5 Re8 15. Qd2 b5 16. Rad1 Nd3 17. Nab1 h6 18. Bh4 b4 19. Na4 Bd6 20. Bg3
Rc8 21. b3 g5 22. Bxd6 Qxd6 23. g3 Nd7 24. Bg2 Qf6 25. a3 a5 26. axb4 axb4
27. Qa2 Bg6 28. d6 g4 29. Qd2 Kg7 30. f3 Qxd6 31. fxg4 Qd4+ 32. Kh1 Nf6 33.
Rf4 Ne4 34. Qxd3 Nf2+ 35. Rxf2 Bxd3 36. Rfd2 Qe3 37. Rxd3 Rc1 38. Nb2 Qf2
39. Nd2 Rxd1+ 40. Nxd1 Re1+ 0-1

[/pgn]

Caveats:
– the main packages supports joomla 1.6 or later, while a separate package is available for joomla 1.5 and a user contributed package is available for joomla 1.0
– HTML tags are stripped from the PGN data, removing all text between < and > characters; please make sure your PGN data does not contain < and > characters

The plugin project is hosted at the joomlacode repository:
http://joomlacode.org/gf/project/embedchessboard/

The plugin is based on the pgn4web tool, a tutorial, including configuration options and tag parameters, is available at the pgn4web wiki:
http://code.google.com/p/pgn4web/wiki/User_Notes_joomla
The pgn4web wiki also provides guidelines how to extend the plugin functionality to Kunena forum posts.

The full pgn4web project is hosted at http://pgn4web.casaschi.net