<prompt> Ngwala tšwetšopele ya serapa se - O ile a lekana ka 10-16th ka go 6th Womens World Chess Championship ka Stockholm ka 1937, gomme a lekana ka 7-8th ka go 7th WWCC yeo e diragetšego ka nako ya 8th Chess Olympiad  <response>: kua Buenos Aires ka 1939 Vera Menchik o ile a fenya dipapadi ka bobedi. 