Career
He also participated in six Union of the Soviet Socialist Republics Chess Championships between 1971 and 1977, with his best performances being at the 1973 Union of the Soviet Socialist Republics Chess Championships, in which he finished at the 7th-8th place. He was awarded the International Master title in 1982. Grigorian and Vitolins were excellent blitz players, but both also suffered from psychiatric disorders.
At the age of 42, Grigorian committed suicide by jumping from the highest bridge in Yerevan.