Event: A Division

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Opponent Rating Result
Ali Reza Jaunooby 2263 0 - 1
Paul Macklin 2343 ½ - ½
Robert McLean 2108 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2105 = (6714 + 400 * (0 - 1)) / 3)

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