Event: Under 19 Region 6 (rapidplay)

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Opponent Rating Result
Justin Lu 130 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

530 = (130 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
William Golding 140 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-260 = (140 + 400 * (0 - 1)) / 1)