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Bryce Kalmbach jbkalmbach

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ELO Rating System

What is ELO?

ELO (or Elo) ratings were originally created by Arpad Elo to rank chess players but have been widely adopted elsewhere including the latest versions of the FIFA ranking algorithms for international men’s and women’s teams.

How does it work?

The basics

Some basic principles:

  1. ELO works by adjusting ratings based purely upon a team’s wins or losses.
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