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The Elo rating system is a method for calculating the relative skill levels of players in two-player games such as chess and Go. Elo is often written in capital letters (ELO), but it is not an acronym. It is the family name of the system's creator, Arpad Elo (1903â1992), a Hungarian-born American physics professor. Elo was originally invented as an improved chess rating system although it is used in many games today.
Based on your move choices, our estimate of your Elo rating is 1535, with a 95% confidence interval of [1305...1765]. I never even really played chess, but I did have a rating of ~1800 on chesstempo.com 4 years ago. As it turns out I only liked reading books and solving puzzles and didn't really enjoy playing.