Event: Examiner League

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Opponent Rating Result
Amelia Fretwell 1439 ½ - ½
John Hill 1495 0 - 1
Peter Czerwinski 1464 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1199 = (4398 + 400 * (0 - 2)) / 3)

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Opponent Rating Result
John G Taylor 1250 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1650 = (1250 + 400 * (1 - 0)) / 1)