Topic summary
Elo rating
Extracted from the Wikipedia article Elo rating system.
Other usage
The Elo rating system has been used in soft biometrics, which concerns the identification of individuals using human descriptions. Comparative descriptions were utilized alongside the Elo rating system to provide robust and discriminative 'relative measurements', permitting accurate identification. The Elo rating system has been used in biology for assessing male dominance hierarchies, and in automation and computer vision for fabric inspection. Moreover, online judge sites are using the Elo rating system or its derivatives. For example, Topcoder is using a modified version based on normal distribution, while Codeforces is using another version based on logistic distribution.