<prompt> Pedzisa mutsara unotevera: Devos akatamba kaviri nokuda kweBelgium muChess Olympiads; pa  <response>: Folkestone 1933 uye Dubrovnik 1950. Akamirirawo nyika yake mumitambo yeushamwari neNetherlands 1947, 1950, 1959 neFrance 1948, 1949. 