From the article: "Carlsen used it last October in the first game of a speed chess final win over the American grandmaster Wesley So, who confessed to its psyc

From the article: "Carlsen used it last October in the first game of a speed chess final win over the American grandmaster Wesley So, who confessed to its psychological effects in the aftermath: “It’s hard to forget the game when someone plays f3 and Kf2 and just crushes you. That’s so humiliating.”"