World Chess Championship 2016
The World Chess Championship 2016 was a chess match between the reigning world champion Magnus Carlsen and the challenger Sergey Karjakin to determine the World Chess Champion. Carlsen had been world champion since 2013, while Karjakin qualified as challenger by winning the 2016 Candidates Tournament.
Source: Wikipedia — World Chess Championship 2016 (CC BY-SA 4.0)