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Event: National Challenge

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Opponent Rating Result
Rezin C Catabay 0 1 - 0
R David Cox 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
W E (Bill) Upton 0 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

0 = (0 + 400 * (0 - 0)) / 0)