Firouzja finished unbeaten with 4.5 points from seven rounds, half a point ahead of Arjun, Nihal Sarin and Dmitry Andreikin, who shared second place with four points each.
India's number one player and Telangana boy Irigeshi Arjun emerged as the second runner-up in the Chennai Grand Masters tournament. Arjun, who had raised hopes of the title, drew the game with French Grandmaster Alireza Firouzha after 41 moves in the final, seventh round on Wednesday.