What is the ‘Idiot Test’ that helped Carlsen prepare for World Championship battles? Russian GM Dubov explains

What is the ‘Idiot Test’ that helped Carlsen prepare for World Championship battles? Russian GM Dubov explains

Russian Grandmaster Daniil Dubov, who was part of Magnus Carlsen’s team for his World Championship title defence against Fabiano Caruana (2018) and Ian Nepomniachtchi (2021), opened up on the Norwegian GM’s ‘Idiot Test’ that he used to employ to test his openings at the prestigious event.

Russian Grandmaster Daniil Dubov was part of Magnus Carlsen’s team during the 2018 and 2021 FIDE World Championship matches against Fabiano Caruana and Ian Nepomniachtchi. Image credit: Norway Chess/Reuters