Advice on my web based app and any tips or feedback please

I built a web based app for solving a problem for the chess community. It displays players rankings and also stores the members details add matches , for E.g. if a chess club hosts a tournament they can log all the players details and also match history. I am also planning on using this as my final project for my CS50x course. I am currently questioning if I should start from scratch and try and rebuild it from end to end. I have spent at least a month on this p