World Elite tournament 1932

Max Blau Memorial 1987

FIDE Zonal 1990

Diverse closed and open series

From Alekhine, Euwe, Flohr, Bogoljubov, Grob, Naegeli (who beat reigning World Chess Champion Alekhine in a separate Quadrangular Easter tournament at Bern in 1932), the Johner brothers and Sultan Khan, up to the veteran players Geller, Unzicker, Szabo, young Kamsky, Klinger, King, or Pia Cramling making her final male GM norm at Bern

Korchnoi won a Swiss Training match in 1992

BERN all

(survey in english / german)