Event: St Andrews Club Championship

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Opponent Rating Result
Stephen Garner 88 1 - 0
Derek A Sheppard 135 0 - 1
Giles Dunn 134 0 - 1
N Charles Clayton 99 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

114 = (456 + 400 * (2 - 2)) / 4)

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