Event: Hillingdon Div 2

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Opponent Rating Result
John Clenshaw 1734 1 - 0
Daniel Evans 1690 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1912 = (3424 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
John Clenshaw 1676 1 - 0
Naavya Parikh 1702 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1689 = (3378 + 400 * (1 - 1)) / 2)