Event: Derby & District Division 3

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Opponent Rating Result
Carl Weighill 1705 0 - 1
Curtis Bennett 1693 0 - 1
Edmund M. Jones 1813 0 - 1
Faith Hill 1336 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1237 = (6547 + 400 * (0 - 4)) / 4)

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