<prompt> Pedzisa mutsara unotevera: Najdorf akatamba kanokwana gumi nerimwe kuArgentina muChess Olympiads kubva muna 1950 kusvika muna 1976. Akatamba bhodhi rokutanga mu9th Chess Olympiad muDubrovnik 1950 806, uyewo pa  <response>: Helsinki 1952 1123, Amsterdam 1954, Moscow 1956, Leipzig 1960, Varna 1962, Havana 1966, Lugano 1968, Siegen 1970, uye Haifa 1976. Munguva yeOlympia muNice muna 1974 chete, akatamba ari pabhodhi rechitatu. 