Event: Division 1

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Opponent Rating Result
Howard L Tebbs 180 0 - 1
Andy Mitchell 126 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

153 = (306 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
David C Curtis 121 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

521 = (121 + 400 * (1 - 0)) / 1)