The Mannheim Aji is an annual tournament in Mannheim, Germany at the last weekend of October, with participants from all over Germany and nearby countries.
Since 2017 it has been organized by the Badischer Go-Verein? (Karlsruhe, Germany) as part of the Herbst Go-Treffen (“Autumn Go meeting”).
Since 2018 it has been a Bonus Point Tournament for the European Grand Prix.
Further information can be found at https://wiki.karlsregion.net/z/Gospiel:Treffen/Mannheim