World No. 4 Indian chess grandmaster and top seed Arjun Erigaisi will open his Chennai Grand Masters campaign against compatriot Vidit Gujarathi, starting in Chennai on Tuesday. Erigaisi will play for the first time in India after crossing the historic 2800 ELO ranking mark when he takes the board. The eight-player strong classical event will see Aravindh Chithambaram take on Iranian Amin Tabatabaei, Vachier-Lagrave Maxime will face Maghsoodloo Parham and American Grandmaster Levon Aronian will play Alexey Sarana in the opening round.