Biel/Bienne CHESS is a Swiss tournament organizer based in Biel/Bienne, Switzerland. The team runs the world-famous chess festival at the Congress Center in the city. Moreover, it has hosted international top chess in Biel/Bienne since 1968.

In addition, Biel/Bienne CHESS delivers a dense tournament program that combines elite invitationals with open events for all levels. The festival features classical chess as its core, and it also adds rapid chess and blitz chess as part of the triathlon tradition. Furthermore, many players join the weeklong opens and side tournaments, so the event feels like a complete open chess tournament hub.

At the same time, the organizer keeps operations transparent with a dedicated secretariat, arbiter contact, and media support. Therefore, participants get clear pairing processes and consistent fair play standards. As a result, Biel/Bienne CHESS remains one of Switzerland’s most recognizable chess event brands.