Event: Summer League Section 2

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Opponent Rating Result
John Thompson 1518 ½ - ½
Tom Tallentire 1050 0 - 1
Sean Smith 1414 0 - 1
Alistair Newton 1213 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

999 = (5195 + 400 * (0 - 3)) / 4)

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