He won the 2005
European Youth Chess Championship for under-16 and the 2006
World Junior Chess Championship. The latter victory automatically earned him the title of Grandmaster (GM). In November 2010 he won the Russian Cup Final after defeating
Artyom Timofeev in the second game of the final. In January 2012 he came second in the Armenian
Chess960 Championship. In December 2012 he shared first with
Alexander Kovchan and
Sipke Ernst in the
Groningen Chess Festival. In 2016 Andriasian won the
Armenian Chess Championship. ==Books==