<prompt> Ngwala tšwetšopele ya serapa se - O ile a bapala bakeng sa Fora ka go 2nd Chess Olympiad kua The Hague 1928, 3rd Chess Olympiad yeo e sego ya semmušo  <response>: kua Munich ka 1936, le Olympiad ya bo-9 ya Chess kua Dubrovnik ka 1950. 