Rating Performance In Tournment Presonal Detail

I think rating performance in addition to the current data will be quite interesting, I added an exmaple in this picture :
Hope that you will consider it, you're doing a great work!

*posting a response to make the thread on 1st page*

performance uses an elo formula I think, while lichess ratings are glicko2.

en.wikipedia.org/wiki/Elo_rating_system#Performance_rating

Would the performance rating calculated be flawed for glicko2 ratings then? The "algorithm of 400" is super simple and would be easy to implement if it's accurate in this system.

This paper gives a way to calculate a performance rating but it's much more in depth:

http://www.glicko.net/glicko/glicko2.pdf