Event: Hillingdon Div 2

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Opponent Rating Result
Michael C Price 1697 0 - 1
Naavya Parikh 1763 0 - 1
Shreya Wani 1397 1 - 0
Leslie Pringle 1624 0 - 1
Shreya Wani 1412 1 - 0
David English 1519 1 - 0
Xiling Wang 1213 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1575 = (10625 + 400 * (4 - 3)) / 7)

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Opponent Rating Result
Kevin Heath 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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