The ELO ranking system is widely used across multiple games

ELO is calculated based on the outcome of matches. If a player wins against someone with a higher ELO, their rating increases significantly.

Introducing College Football Elo Ratings – Staturdays

CS2 Elo calculations need adjusting. I just got a 4 game win

Elo Rating Systems Are Terrible For MOBAs

Ranking Ultimate Teams With the Elo Rating Algorithm - Ultiworld

Generalizing the Elo rating system for multiplayer games and races

Implementing the Elo Rating System, by Matt Mazzola

The results of evaluating Elo, Glicko, TrueSkill, and PreviousRank

Elo Rating System, Eleven-VR Wiki

Developing a Generalized Elo Rating System for Multiplayer Games

Statistical Analysis of the Elo Rating System in Chess

Elo rating system simulation