Event: Division 3

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Opponent Rating Result
Stephen R Wilcox 1635 0 - 1
Peter J Pearson Jones 1675 0 - 1
Adrian R Lissamore 1543 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1484 = (4853 + 400 * (1 - 2)) / 3)

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