Well, I have to admit, I only have a 61 keyboard myself 
We might get one with all keys this year, though! I still always say that I play piano lol
I’m also self-thought, and I personally think I’m somewhere between intermediate and advanced. I linked a video of my playing in my study log, I will link it here if I find the post again!
Ok, found it pretty fast lol
https://community.wanikani.com/t/japanese-in-one-year-not-your-usual-study-log/64062/496
And don’t worry, everyone starts as a beginner 
It takes a lot of practice to become good!