Who are you talking about here? Garry Kasparov is the greatest player of all-time. Yes he's arrogant as hell but the guy was World Champion for almost three times as long as Carlsen's been. To match that, Carlsen will have to see off Firouzja and his entire generation, Abhimanyu Mishra and his entire generation, and still be like 5 years off. .

garry kasparov vs magnus carlsen full match