Event: Derby & District Division 3

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Opponent Rating Result
Rick Graham 0 1 - 0
Graham Smith 1495 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

948 = (1495 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Joe Parker 1490 0 - 1
Menaka C. (Chathuranga) Warnakulasooriya 0 1 - 0
Michael O'Brien 1342 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1077 = (2832 + 400 * (2 - 1)) / 3)