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Event: Online League Division 2 (Winter 2021)

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Opponent Rating Result
Surjit S Dhemrait 1609 ½ - ½
Sean M Ingle 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

805 = (1609 + 400 * (0 - 0)) / 2)

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