Mezue ahịrịokwu na-esonụ: Nshan malitere ịkụ ọkpọ na Armenia na 1976. Ọ malitere ịkụ ọkpọ n'oge Soviet Union. Munchyan nwetara ihe nrite ọlaedo na
1987 European Amateur Boxing Championships. Mgbe Union dara na 1991, Munchyan malitere ịnọchite anya obodo ya Armenia. O ritere ihe nrite ọla edo na 1993 World Amateur Boxing Championships na ihe nrite ọla edo na 1994 World Cup. Ọ bụ onye ọkpọ ọkpọ mbụ sitere na Republic nke Armenia nwere onwe ya iji merie nrite na asọmpi ọ bụla.