Russian grandmaster Daniil Dubov, who helped Carlsen win two world championships, pulled back the curtain and given a glimpse into the rigorous training camps of the Norwegian as he prepared for the ...

Russian Grandmaster Daniil Dubov, who was part of Magnus Carlsen’s team for his World Championship title defence against ...

Magnus Carlsen used an 'idiot test' during his preparations for World Championship matches, and it was explained by a Russian GM recently.