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* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=482 Rüdiger Worbs' ICGA Tournaments]
* [http://www.schach-computer.info/wiki/index.php/Worbs,_R%C3%BCdiger_&_P%C3%A4htz,_Wolfgang Worbs, Rüdiger & Pähtz, Wolfgang] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]
* [https://en.chessbase.com/post/east-german-programmers-in-budapest East German programmers in Budapest] by [[Frederic Friedel]], [[ChessBase|ChessBase News]], July 05, 2020 » [[WMCCC 1983]], [[Chess-Master]]
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