ちゅう上級 じょうきゅう しゃじゃなかったです
chū·jōkyūshajanakattadesu

Noun
Desu Copula

The polite, past negative form of 中・上級者

1. Was not an intermediate/advanced player.; Was not at an intermediate/advanced level.

Past/Perfective
Negative
Polite
Casual Register