Chess: Poland's Duda wins in Oslo while tired Carlsen fades at the finish

The world champion missed a long distance threat and lost three of his seven matches in the Oslo Esports Cup, including Thursday's final round when victory would have ensured first prize An overambitious schedule, a heavy cold and mental fatigue finally caught up with Magnus Carlsen at the Oslo Esports Cup this week. The world champion had won the previous two legs of the online Meltwater Champions Tour, and was expected to make it three in his home city, but it was Poland's Jan-Krzyzstof Duda w...