Improvement for Beginners:
Try out some free tactics puzzles.
Try out some free Chess Lessons.
Chess Lessons – Learn with Online Courses – Chess.com
Watch GM Naroditski explain his thoughts against low rated players. Daniel Naroditski’s SpeedRun – YouTube
Improvement for Intermediate Players
Watch Dr Can to learn key principles of positional play.
Dr. Can’s Chess Clinic – YouTube
Resources:
CAWA: Chess Association of Western Australia. Here you can see the major WA tournaments that are held each year in Perth.
Lichess: (Pronounced lee-chess) Free and open source platform. While there are several online chess sites / apps, this is my personal favourite because you can use the chess engine to analyze all your games for free, occasionally watch Magnus Carlsen play bullet chess live, or create and view custom studies. There is also a kid-friendly mode. Once you have created an account, you can join our Lichess Team for online tournament play.
FIDE: International Chess Federation. Check out who’s who in world chess.
This is a good study to begin looking at the opening: