Event: DCL Div 3

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Opponent Rating Result
Michael Jackson 147 1 - 0
Graham A White 144 ½ - ½
Ken Smith 149 1 - 0
Nicholas B Stout 136 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

444 = (576 + 400 * (3 - 0)) / 4)

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