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atomiks
2017-12-30 23:45:45 +11:00
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### elo
Computes the new ratings between two opponents using the Elo rating formula. It takes an array
of two pre-ratings and returns an array containing two post-ratings. The winner's rating is be the first element of the array.
Computes the new ratings between two opponents using the [Elo rating system](https://en.wikipedia.org/wiki/Elo_rating_system). It takes an array
of two pre-ratings and returns an array containing two post-ratings.
The winner's rating is be the first element of the array.
Use `Math.pow()` and math operators to compute the expected score (chance of winning) of each opponent
and compute the change in rating for each. Omit the second argument to use the default K-factor of