This is the 4236th most frequent Russian word.
чемпионате
"Чемпионате" means "championship" in English.
In this sentence, 'чемпионате' refers to a sports championship or competition where athletes compete.
В чемпионате участвуют самые лучшие спортсмены страны.
The best athletes of the country participate in the championship.
Here, 'чемпионате' indicates the venue or event of the World Football Championship.
На чемпионате мира по футболу было много зрителей.
There were many spectators at the World Football Championship.
In this example, 'чемпионате' refers to a competition specifically organized for chess players.