Event: Maidstone Players Trophy

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Opponent Rating Result
Peter Smith 87 1 - 0
Rebecca J Rutter 67 1 - 0
Barrington Beavis 152 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

235 = (306 + 400 * (2 - 1)) / 3)

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