<prompt> Ngwala tšwetšopele ya serapa se - Nestler o ile a bapala gabedi bakeng sa Italy ka di-Olympiad tša Chess kua Dubrovnik 1950 le Helsinki 1952  <response>: O ile a emela Italy dipapading tša bogwera kgahlanong le Czechoslovakia ka 1957 le Switzerland ka 1958. 