 Ramba uchiverenga ndima iyi - Muna 1981, Mirzoyan akava nhengo yetimu yenyika yeUSSR yekusimudza zvinhu zvinorema. Mirzoyan akava European uye World Champion muna 1983 nekukunda menduru dzegoridhe pa 1983 World Weightlifting Championshipsuye 1983 European Weightlifting Championships, zvose zviri zviviri muMoscow. Mumakwikwi ese ari maviri, Mirzoyan akaisa zvinyorwa zvitsva zvepasi rose mukubvuta, kuchenesa uye jerk uye kurovedza muviri kwese, zvese zviri muchikamu chebantamweight 56 kg. Nemhaka yekurambidzwa kweMitambo yeOlympic yeZhizha ya1984, Mirzoyan haana kukwanisa kutora chikamu gore iroro. Somukundi wenyika ari kutonga, angadai akanga ari mudikanwi wokukunda menduru yegoridhe yeOlympic. 