Event: Online Championship 2020/2021

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Opponent Rating Result
Tim M Turner 1867 0 - 1
Thomas L Hackett 0 0 - 1
Alec Grice 1651 0 - 1
Michael C Hackett 1612 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1083 = (5130 + 400 * (1 - 3)) / 4)

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