<prompt> Pedzisa mutsara unotevera: Mumutambo wenyika dzakawanda, Guillermo Vassaux akamirira Guatemala mumutambo wakanangana neEl Salvador muna 1930, mutambo wokutanga wechess wakakwikwidzwa nenyika mbiri dzeCentral America. Akatora rutivi muChess Olympiad kamwe, achimiririra Guatemala pabhodhi rokutanga mu  <response>: 8th Chess Olympiad muna 1939 muBuenos Aires, achiwana kukunda kushanu, kuenzana kuviri, uye kurasikirwa kusere. 