Chess: Carlsen’s four defeats in a row – just a blip or the start of a career downturn?

The world No 1 has had difficult periods previously, but at 35 and a wealthy family man, could he now be tempted towards a more relaxed lifestyle? Magnus Carlsen’s four defeats in a row during the World Team Rapid in Hong Kong last week, coupled with his disappointing fourth place among six grandmasters in Oslo last mo