India, Aug. 14 -- Considered by many to be the greatest chess player in history, Magnus Carlsen is a five-time World Champion, five-time World Rapid Champion and the reigning (shared with Ian Nepomniachtchi) eight-time World Blitz Champion. He got his first World Champion title in 2013, beating Viswanathan Anand. He retained his title in 2014, and also clinched both Rapid and Blitz titles, becoming the first player to hold all three titles simultaneously, which he also repeated in 2019 and 2022. He defended his world title in 2019, 2018 and in 2021. He didn't defend his title in 2023 due to a lack of motivation.

Recently, Daniil Dubov, who worked with the Norwegian for two of his World C'ship titles, revealed that Carlsen used to take so...