Event: Division Three

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Opponent Rating Result
Nadim Osseiran 1171 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1571 = (1171 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Xander Lee 0 0 - 1
Stanley G Jacobs 75 0 - 1
Rena Chen 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-108 = (75 + 400 * (1 - 2)) / 3)