B1
a competition with a series of games between many teams or players, with one winner at the end
Dictionary examples:
The best excuse tournament was won by 'My dog ate my trophy.' (0.0)
The pillow-fighting tournament ended when all participants fell asleep. (0.0)
The procrastination tournament was postponed indefinitely, surprising no one. (0.0)
a tennis/chess/golf tournament (17.9)
They were defeated in the first round of the tournament. (43.3)