Event: St Andrews Club Championship

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Opponent Rating Result
Giles Dunn 134 0 - 1
N Charles Clayton 99 0 - 1
Graeme C Reid 111 1 - 0
Thomas L Hackett 134 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-81 = (478 + 400 * (1 - 3)) / 4)

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