Double Chess ELO Calculator

Generalizing the Elo rating system for multiplayer games and races: why endurance is better than speed

Implementing the Elo Rating System, by Matt Mazzola

Ratings - Southbourne Chess Club (Dorset)

Rating List Adjustments

Elo Calculator Elo Rating Calculator

Elo Win Probability Calculator

Elo Win Probability Calculator

Hikaru 2500 GMs not as weak as rating would implied. Rating system definitely not functioning the way it should be : r/chess

Figure 1 from A chess rating system for evolutionary algorithms: A new method for the comparison and ranking of evolutionary algorithms

The Elo rating system, using dice – High Dice Roller

Why is my blitz rating on 600 points lower than my USCF rating? - Chess Forums