<prompt> Ngwala tšwetšopele ya serapa se - O ile a emela naga ya gabo ya go mo thwala ka lepolankeng la bone ka go 3rd Chess Olympiad kua Hamburg 1930 5 7 3, le ka lepolankeng la bobedi ka go 7th Chess Olympiad  <response>: kua Stockholm ka 1937 5 2 8. 