Event: Eton Rapidplay 2019

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Opponent Rating Result
Helen Archer-Lock 123 1 - 0
Nina P Pert 141 1 - 0
William Golding 128 1 - 0
Sean Hunter 134 ½ - ½
Tom O'Gorman 189 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

303 = (715 + 400 * (3 - 1)) / 5)

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