Event: Division 2

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Opponent Rating Result
Alastair JD Marston 1759 1 - 0
Dave J Williams 1734 1 - 0
Lynda Smith 1823 1 - 0
Mike Roberts 1515 0 - 1
Colin Fletcher 1525 1 - 0
William Waldron 1011 1 - 0
Alex Dunn 1524 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1784 = (10891 + 400 * (5 - 1)) / 7)

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Opponent Rating Result
Ryan Hamm 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (1 - 0)) / 1)