Event: KO 2021-22

Opponent Rating Result
Julie L Denning 1638 ½ - ½
Julie L Denning 1638 1 - 0
Chris W Heath 1838 1 - 0
Anthony RJ Higgs 2063 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1894 = (7177 + 400 * (2 - 1)) / 4)

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