Event: Division 3

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Opponent Rating Result
Nathan Weersing 1537 0 - 1
Robert Reed 0 1 - 0
John Barratt 1473 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

870 = (3010 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
William Mackintosh 1044 1 - 0
Mark Tate 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

722 = (1044 + 400 * (1 - 0)) / 2)