Event: Division 4

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Opponent Rating Result
Andrew M Cuff 1739 ½ - ½
Francis Rooney 1764 1 - 0
Alan H Palmer 1751 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1885 = (5254 + 400 * (1 - 0)) / 3)

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