Event: Hillingdon Div 2

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Opponent Rating Result
William Phillips 1814 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1814 = (1814 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Daniel Evans 1543 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1143 = (1543 + 400 * (0 - 1)) / 1)