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Event: The National

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Opponent Rating Result
Stephen D LeFevre 1392 ½ - ½
John V Jestico 1326 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1559 = (2718 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Tom Avezbakiev 1066 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1466 = (1066 + 400 * (1 - 0)) / 1)