 At the same time, the problem of the parallel existence of the associations of national minorities on the territory of Czechoslovakia began to be solved.German clubs associated with Deutscher EisHockey Verband (DEHV) threatened international boycott from LIHG, but the situation has improved rapidly.In January 1929, for example, a match was played between the teams of Prague and Opava, where the best hockey players of German origin were in the Czechoslovak territory.