He was awarded the Grandmaster title in May 2013 during the Presidential Board Meeting in Baku.

[5] In June 2019, Grigoryan tied for first place with IM Aleksandr Ostrovskiy in the Charlotte Chess Center's Summer 2019 GM Norm Invitational held in Charlotte, North Carolina with a score of 6.0/9.

[6] In 2021, Grigoryan won the 46th Seville Open after tying for first place with Salvador Del Rio De Angelis with a score of 5.5/7, and winning the tiebreaks.

[7] He is the fourth highest-rated Armenian player as of September 2023.

[update][8] This biographical article relating to an Armenian chess figure is a stub.