<prompt> Nyora kupfuurira kweiyi ndima - Benko akapedza ari panzvimbo yokutanga kana kuti akaenzana panzvimbo yokutanga muU.S. Open Chess Championships sere, chinyorwa. Mazita ake okuremekedza akanga ari aya: 1961, 1964, 1965, 1966, 1967, 1969, 1974, 1975. Akakunda 1964 Canadian Open Chess Championship. Akamirira Hungary pa1957 Student Olympiad muReykjavík pa, achiwana 71212, uye Hungary yaive yechina sechikwata. Akanga ambotamba nechikwata chenyika yeHungary paMoscow 1956 Olympiad, pabhodhi matatu, achiwana 1015, uye achibatsira Hungary kuhwina bronze. Akatamira kuUnited States, asi kwakanga kusati kuri kutozosvikira muna 1962 apo akaoneka muchikwata cheU.S. Aizopedzisira ava mumapoka matanhatu akatevedzana. PaVarna 1962, Benko akatamba bhodhi rechipiri, akawana 812 nokuda kwemenduru yesirivha pabhodhi rake, uye U.S. yakapedza yechina. MuTel Aviv muna 1964  <response>: , akanga arizve pabhodhi rechipiri, akawana 91214, uye U.S. yakaguma iri yechitanhatu. MuHavana 1966, Benko akanga ari mubhodhi rechitatu, akawana 812, uye vokuAmerica vakakunda sirivha yeboka. PaLugano 1968, akaita 612 ari pabhodhi rechitatu, uye U.S. yakapedza yechina. PaSiegen 1970, Benko akanga ari pabhodhi rechina, achiwana 81212, uye vaAmerica vakapedzazve vari vechina. Olimpiki yake yokupedzisira yakanga iri muSkopje 1972, uko akatamba pabhodhi rechitatu, akaita 9 1216, uye U.S. yakaguma yechipfumbamwe. 