<prompt> Qedela le nkulumo elandelayo: UBenko wagcina endaweni yokuqala noma esendaweni yokuqala ngokulinganayo emincintiswaneni engu - 8 ye - U.S. Open Chess Championships, okuyinto engekho emlandweni. Iziqu zakhe zaziyi: 1961, 1964, 1965, 1966, 1967, 1969, 1974, 1975. Wanqoba i-Canadian Open Chess Championship ngo-1964. Wamela iHungary kuma-Olympic Student ka-1957 eReykjavík ngo-Okthoba, athola amaphuzu angama-71212, futhi iHungary yaba ngowesine njengeqembu. Ngaphambilini wayedlale eqenjini lesizwe laseHungary eqenjini  <response>: I-Olympic yaseMoscow ngo-1956, ebhodini lesithathu, wathola amaphuzu angu-1015, wasiza iHungary ukuba ithole ithusi leqembu. Wathuthela e - United States, kodwa kwaze kwaba ngo - 1962 lapho aqala khona ukudlala eqenjini lase - U.S. Wayegcina eseqenjini lesithupha elilandelanayo. E-Varna ngo-1962, uBenko wadlala ebhodini lesibili, wathola amaphuzu angu-812 ukuze athole indondo yesiliva ebhodini lakhe, futhi i-U.S. yaphetha isine. E-Tel Aviv ngo-1964, waphinde waba sebhodini lesibili, wathola amaphuzu angu-91214, futhi i-U.S. yaphela isendaweni yesithupha. EHavana ngo-1966, uBenko wayesemkhunjini wesithathu, wathola amaphuzu angu-812, futhi amaMelika athola isiliva leqembu. E-Lugano ngo-1968, wenza u-612 ebhodini lesithathu, futhi i-U.S. yaphetha isine. ESiegen ngo-1970, uBenko wayesesiteji sesine, wathola amaphuzu angu-81212, futhi amaMelika aphinde aqeda endaweni yesine. I - Olympiad yakhe yokugcina yayiseSkopje ngo - 1972, lapho adlala khona ebhodini lesithathu, wenza u - 9 1216, futhi i - U.S. yaphela isendaweni yesishiyagalolunye. 