The world chess championship is like the big, big, BIGGEST game of chess in the whole world! The best chess players from different countries all come together to see who is the very best at playing the game of chess.
There are many rounds of chess games that take place over several days or weeks, and the players must try their very best to win in each round. The person who wins the most rounds gets to be the world chess champion!
It's really important for the chess players to think ahead and try to plan out their moves before they make them. They also have to be very careful and pay attention to what their opponent is doing, otherwise they might miss something important and lose the game.
The world chess championship is really exciting because you get to see the very best chess players in the world compete against each other. It's like watching a big, big, BIG sporting event but with chess pieces instead of balls!