The 2021 World Chess Championship is a best of 14 game series between Magnus Carlsen, the defending champion, and Ian Nepomniachtchi, the challenger. Ian Nepomniachtchi won the Candidates Tournament to earn the chance to play Carlsen for the title. The matches will be played in Dubai, UAE under the rules from the FIDE and world chess federation.
The time control for each game is 120 minutes for the first 40 moves, followed by 60 minutes for the next 20 moves, and then 15 minutes for the rest of the game, with an increment of 30 seconds per move starting from move 61.
Prior to the World Championship these two players have faced off in classical chess 13 times. Carlsen won one, Nepomniachtchi won 4 and there have been 8 draws.