Candidate Master (2012); FIDE Master (2014); International Master (2014); Grandmaster (2017).
Master Awards and Norms
<Candidate Master> Awarded for his result at the World U14 Championship in 2014 (see below).
<FIDE Master> Awarded by FIDE in March 2014, probably as a result of having previously reached a rating of 2300.
<International Master> (1) Petrosyan's first IM Norm came from his 5.5/9 at the Pan-Armenian Olympiad staged in Yerevan in August 2010. His second norm was from his 5.5/9 that he scored at the Moscow Open 2012 A in February 2012. His third was from his 4.5/9 result at the European Individual Championships (2014). All scores were requisite for the norms gained.
Petrosyan reached a rating of 2400 in October 2014, thereby fulfilling his final qualification for the IM title, at the age of approximately 16 years and 5 months. In the meantime, he had scored a fourth IM norm at Perm in May 2014 that had been submitted with his application for the IM title.
He placed =3rd (5th on tiebreak) at the 2012 World U14 Championship and at the World Youth Championship U18 (2016) he placed 1st overall. Runner up at the European U18 Championship 2015. He placed 2nd overall behind Aryan Tari (winner) and Chithambaram V R Aravindh (3rd after tie-breaks), tying with them at 8.5 points at the World Junior Championship (2017).
References and Sources
(1) http://ratings.fide.com/title_appli... (title application), (2) http://www.chess-results.com/tnr239... (2016 WYCC U18 standings), (3) http://ratings.fide.com/apps/232904... (2 other reports give 1998.05.xx for a birthday (where xx claims to be 6); but this report claims to be 15 instead (also the date when that tournament started)).