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Event: Online League Division 2 (Spring 2021)

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Opponent Rating Result
Surjit S Dhemrait 1629 1 - 0
Paul Seymour 1703 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1666 = (3332 + 400 * (1 - 1)) / 2)

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