Event: D&DCL Div 3

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Opponent Rating Result
Dean M Hartley 151 0 - 1
Herbert TT Loomes 106 0 - 1
Edward Brown 104 1 - 0
Herbert TT Loomes 106 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

117 = (467 + 400 * (2 - 2)) / 4)

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Opponent Rating Result
Andy Bacon 100 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

500 = (100 + 400 * (1 - 0)) / 1)