why not simply contribute to the lichess codebase?
https://www.youtube.com/watch?v=dsxtImDVMig
https://www.youtube.com/watch?v=d-diB65scQU
https://www.youtube.com/watch?v=SJUhlRoBL8M
And now some happy music https://www.youtube.com/watch?v=Dj1TO2xt82g
and another https://www.youtube.com/watch?v=k9IfHDi-2EA
and another https://www.youtube.com/watch?v=wkzUUQhtIb4
@xxsoapxx Here have a song https://www.youtube.com/watch?v=O-YHU6BwPR0
addon to #4 and #5: this may be of interest to you: https://www.google.com/search?q=400+Points+in+400+Days it is a brutal method and i have not tested it but it may work.
also, repeat those tactics until you have them all in your brain.