Nelli Aginian was born on August 4, 1981 in Armenia. In 2005, she was awarded the Woman Grandmaster (WGM) title. Her highest FIDE rating was 2380. She is the third player from Armenia, after Elina Danielian and Lilit Mkrtchian, to gain the Woman Grandmaster title. Her current Elo rating is 2261. Her peak Elo rating has been 2380.