<prompt> Ngwala go tšwela pele ga serapa se - Mafelelong a bo-1920, o ile a tšea leeto la go boela Amerika. O ile a emela Yugoslavia ka di-Olympiad tša Chess tše nne London 1927, Prague 1931, Warsaw 1935, le Stockholm 1937  <response>: , le ka Olympiad ya 3 yeo e sego ya semmušo ya Chess kua Munich ka 1936. 