Event: U1650 Rapid

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Opponent Rating Result
David Smith 1452 0 - 1
Eitan Eisen 1155 0 - 1
Ralph McHugh 1262 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

890 = (3869 + 400 * (0 - 3)) / 3)

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Opponent Rating Result
Jagdeep Sanger 839 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

439 = (839 + 400 * (0 - 1)) / 1)