Event: Internal Rapidplay August

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Opponent Rating Result
Sam Stevenson 1161 0 - 1
Fletcher Hoyland 1138 0 - 1
Richard Stevenson 1193 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1031 = (3492 + 400 * (1 - 2)) / 3)

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