This article is smoke and mirrors. A lot of shiny graphs, but he chooses to completely ignore the main statistical result of Kramnik: when playing Titled Tuesda

This article is smoke and mirrors. A lot of shiny graphs, but he chooses to completely ignore the main statistical result of Kramnik: when playing Titled Tuesday games which decide your cash prize, some players have unusually high performance increase, while others have performance decrease, including young world blitz champion Alireza Firouzja who grew up playing online. This statistics is reproducible from open data, the most difficult part is to separate the games that decide players money prizes, for that you'll have to look up the tournament table after each round manually.