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Event: Average under 1800

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Opponent Rating Result
Mark Lim 1900 1 - 0
Philip Turp 1400 1 - 0
Abigail R Weersing 1882 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2050 = (3300 + 400 * (2 - 0)) / 2)

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