Event: Hillingdon Div 2

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Opponent Rating Result
Anthony Braine 1634 0 - 1
Mary Helen Deans 1681 ½ - ½
Dhairye Gauri 1678 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1398 = (4993 + 400 * (0 - 2)) / 3)

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Opponent Rating Result
Jim I Wrigglesworth 1447 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1847 = (1447 + 400 * (1 - 0)) / 1)