The ChessOnline plugin allows you to display a chessboard and to set up positions (using the FEN). You can also use it as a PGN viewer (experimental).
As of April 2026, ChessOnline is a WordPress fen plugin with 10 active installations and a 0/5 rating0. It has been downloaded 3.2K+ times in total. Requires WordPress 2.7.0+ and PHP false+. Available on WordPress.org since 2012. Last updated 13 years ago — may have compatibility concerns. Top alternative: RPB Chessboard.
The ChessOnline WordPress plugin allows you to display a chessboard and to set up positions using the Forsyth-Edwards-Notation (FEN) and view games using the PGN format (experimental feature). You can specify an external URL for linking purposes. Please use http://chessonline.w3edv.de/?fen={FEN} as URL if you want to set an analysis link to the ChessOnline-Plugin-Website. It comes up with an integrated FEN editor. Board size and colors are configurable. The following languages are supported (i18n): Dutch, English and German. The client browser needs to be capable of displaying unicode characters. No browsers plugins are required. JavaScript doesn’t need to be enabled for displaying the chessboard but is required for using the PGN viewer, the overlay functionality and the FEN…
| WordPress | 2.7.0+ requiredTested up to 3.3.2 |
| PHP | false+ required |
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