1) Register https://bit.ly/TSARegister
2) Join one of the Teams
3) PLAY
4) Contribute if and when you can

ALSO: https://www.tsachessonline.co.za/

TEAMS:
LICHESS.ORG
http://bit.ly/TSAOpen (Thursdays)
CHESS.COM
http://bit.ly/TSAChess (Thursdays)