<prompt> Qedela umusho olandelayo: UNilsson wamelela iSweden emdlalweni wokuqala we-Olympiad Chess eLondon ngo-1927, futhi wabeka u-9-11 ku-Amateur World Championship uMax Euwe wanqoba, owabanjwa ngesikhathi se-  <response>: I-Olympic Yesibili Ye-Chess eHague 1928. 