Event: NCCA League Division 4

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Opponent Rating Result
Melissa Jermey 1471 0 - 1
Jon Vallet 1500 ½ - ½
Jared Webb 1100 ½ - ½
Robert Picksley 1450 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1180 = (5521 + 400 * (0 - 2)) / 4)

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