Event: Hillingdon Div X

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Opponent Rating Result
Krushath Kathatharan 0 ½ - ½
Harry Chan 1045 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

323 = (1045 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Harkirat Singh 857 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1257 = (857 + 400 * (1 - 0)) / 1)