The 2026 Grand Chess Tour Finals tip off in Saint Louis with four elite players locked in knockout combat. Caruana, Praggnanandhaa, Keymer, and So battle for the title starting Tuesday at 5 p.m. UTC. Classical time controls mean no blitz nonsense. One misstep ends your run. Lichess streams it live. The winner claims the Tour trophy and a fat paycheck. Expect sharp preparation and zero mercy.