Elo rating

Named after Hungarian-American physics professor Arpad Elo (1903–1992), who invented the metric.

Elo rating (plural Elo ratings)

1. A metric indicating the relative skill level of a player in zero-sum games such as chess.

   Synonym: Elo

   • 2015, Jens Krause, Richard James, et al., editors, Animal Social Networks, Oxford University Press, →ISBN, page 65:

     Thus, for analyses such as Elo rating, where the order in which contests occurs matters, one must resort to creating a set of randomly shuffled contest sequences to be able to assess the effects of temporal order.

   • 2018, Michael Palmer, Daniel Palmer, The First Family, St. Martin's Publishing Group, →ISBN, page 32:

     “You're pretty good at this game,” Lee said.¶ “Got an Elo rating over twenty-six hundred.”¶ “Elo? What's that?”¶ “The FIDE uses it to rank players.”¶ “FIDE?”¶ “Fédération Internationale des Échecs,” Cam said, speaking in an exaggerated French accent.

• Elo rating system on Wikipedia.Wikipedia