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Event: Online League Division 1 (Winter 2021)

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Opponent Rating Result
Seshagiri Vaddadi 2061 0 - 1
Nevil Chan 1980 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1621 = (4041 + 400 * (0 - 2)) / 2)

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