Made it over 2000!

I joined this group quite some time ago and received regular messages but could not enter. Today I was able to enter and see my name in the members list but couldn't access the classroom. Although I was listed as a member I had to apply again for membership.

Game Here: https://www.chess.com/analysis/game/live/146335525178/analysis

If you don't know this tactical pattern yet, sear it into your brain!

Ok guys, general question, I am currently at 1750 on chess.com. What do I do to improve and go beyond 1750. Any specific tips would be nice.