Event: TCL Division 4

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Opponent Rating Result
Toby O'Donoghue 73 1 - 0
Alan F Webster 84 1 - 0
Richard Thomas 57 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

471 = (214 + 400 * (3 - 0)) / 3)

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