Elo Ratings

Introduction

An Elo rating system is a metho Wikipedia article An Introduction to Tennis Elo

If Player A has a rating of \(R_A\) and Player B a rating of \(R_B\), the formula for the expected probability of Player A winning is:

\[E_A = \frac{1}{1+10^{(R_B-R_A)/400}}\]

Inexperienced players

Surface

Absence

Other factors

Elo Race

The Elo Race is an attempt to rate a player’s season using some elo rating concepts. A player is awarded points for each match based on the result (win or loss) and their opponent’s elo rating, but not the player’s own rating.

A value of 1700 is used for the player’s own rating in the elo formula (outlined in the section above).

The expected probability of a player rated at 1700 defeating a player with a rating of \(R_B\) is:

\[E_A = \frac{1}{1+10^{(R_B-1700)/400}}\] For the Elo Race, a win against