Invitation Open Swiss Championship 2023 Post author:Kurt Klamet Post published:26. July 2023 Post category:International Tournaments Open Swiss Championship 2023 (August 19, 2023) - Dübendorf, Switzerland - Invitation Tags: dübendorf, Invitation You Might Also Like Invitation Pannonia Cup 2022 22. September 2022 Invitation Pannonia Cup 2023 26. July 2023 Invitation to the International Swiss Championship 2019 15. June 2019