This is the 3424th most frequent Korean word.
대회에는
"대회에는" means "in the competition" or "in the tournament."
Here, '대회에는' refers to 'in competitions,' highlighting the requirement for participation.
대회에는 참가비가 필요합니다.
Competitions require an entry fee.
'대회에는' specifies 'in that competition,' indicating where people's interest was directed.
그 대회에는 많은 사람들이 관심을 가졌습니다.
Many people showed interest in that competition.
In this sentence, '대회에는' means 'in competitions' with an emphasis on the fact that he attends competitions that are notable nationally.