Swiss Taekwondo Kyorugi Referee Committee organized a Kyorugi National Referee Refersher Course in Port on 20.05.2023. This 1-day course was combined with the Kyorugi Referee Seminar for Dan Test 1. 2 New Candidates joined the Swiss Kyorugi Referee Group and two former foreign National Referee also joined the group. The seminar is a prepartion for the Swiss National Referees participating in the 2nd edition of International Zurich Open 2023 to be helf in June 17th, 2023.