PORT CALCULATOR
Tennis Elo Calculator
Calculate the new Elo ratings for two tennis players based on their match outcome.
What is the Tennis Elo Calculator & How does it work?
The Elo rating system is a method for calculating the relative skill levels of players in two-player games such as chess or tennis. It was originally developed by Arpad Elo, a Hungarian-American physics professor.
In the context of tennis, the Elo ratings are adjusted based on the outcome of matches between players. The formula used to update the ratings is:
R’ = R + K \cdot (S – E)
R = current rating, K = scaling factor, S = actual score (1 for win, 0.5 for draw, 0 for loss), E = expected score
The expected score is calculated using the formula:
E = \frac{1}{1 + 10^{\frac{R_{opponent} – R}{400}}}
R = current rating, Ropponent = opponent’s rating
Parameters
Results are for informational purposes only and do not constitute professional advice.