Magnus Carlsen has defended his title at the blitz chess world championship. The Norwegian champion won the tournament in the Russian city of St. Petersburg with a victory in the 21st century. The game against the Ukrainian Anton Korobov.

Second, the Pole Jan-Krzysztof Duda. In blitz chess, the players have only three minutes, plus two seconds per round played train.

In the 21 rounds Carlsen unbeaten and gained 17 points. For a victory it is as in normal chess, a draw is half a point. Already 2009, 2014 and 2017 Carlsen had won the title.

At the chess world Cup with the normal cooling-off period, Carlsen had defeated in November, Fabiano Caruana. Because there were twelve Play, twelve draws, plays the winner in the Tie-Break in rapid chess tournament. Carlsen won with 3:1.

In the fast chess world Cup, which had previously been also playing in St. Petersburg, was Carlsen Fifth. Daniil Dubov won in the discipline in which the players have a maximum of 60 minutes, the title.