Event: Ivan Gromov Online Schools Chess League

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Opponent Rating Result
Johan Mathew 1312 0 - 1
Freddie Christou-Moore 0 1 - 0
Rostislav Kovalev 869 0 - 1
Johan Mathew 1498 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

720 = (3679 + 400 * (1 - 3)) / 4)

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