Event: B&DCL Div 2

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Opponent Rating Result
Anuhas Gamage 1822 ½ - ½
Tim Joyce 1725 ½ - ½
Susan Kageler 1626 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1591 = (5173 + 400 * (0 - 1)) / 3)

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