StudyChess - Extra
Levels
All are held in StudyChess - Standard Team
Tournaments
All tournaments held in StudyChess - Battle Arena
Game review
All game reviews are held in StudyChess - Game review and game entries are in the team forum
Extra lessons
Lesson 1- https://lichess.org/study/iHc2bol7
Lesson 2 - https://lichess.org/study/Q3gZpoyE
Even more extra lessons
All more extra lessons held in StudyChess- Extra+
Off-topic
All off topics are held in StudyChess - Off-topic