Event: Reigate

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Opponent Rating Result
Cian Dawe 1031 1 - 0
Rufus Ma 1258 1 - 0
Anson Tsang 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1030 = (2289 + 400 * (2 - 0)) / 3)

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