Event: Reigate

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Opponent Rating Result
George Tagg 1248 ½ - ½
Rufus Ma 1258 0 - 1
Cian Dawe 1031 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

912 = (3537 + 400 * (0 - 2)) / 3)

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