Quantbox Chennai Grand Masters

System: Single round-robin.

Time Control: 90 minutes for the first 40 moves, then 30 minutes to finish, with a 30-second increment from move 1.

The Quantbox Chennai Grand Masters 2025 is the third edition of India’s premier classical super-tournament, running 6–15 August 2025 at the Hyatt Regency Chennai. It brings together 20 players—split into Masters and Challengers sections—to boost Chennai’s status as a global chess hub. The players will be competing for a $117,000 prize pool.