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Event: National Challenge

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Opponent Rating Result
John Morgan 75 1 - 0
Rezin C Catabay 0 1 - 0
Rowan Eccleston 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

158 = (75 + 400 * (2 - 1)) / 3)

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Opponent Rating Result
Rees Popovici 50 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

450 = (50 + 400 * (1 - 0)) / 1)