Event: Division 3

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Opponent Rating Result
Louis-Roman Jornod 1300 0 - 1
Warwick Estlea 1498 0 - 1
Ronald B Marks 1300 ½ - ½
William Hastings 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1100 = (5598 + 400 * (0 - 3)) / 4)

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