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Event: Average under 1400

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Opponent Rating Result
Michael Humeniuk 1509 1 - 0
Avyukt Dasgupta 1655 ½ - ½
Mark D McWilliams 1380 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1781 = (4544 + 400 * (2 - 0)) / 3)

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