Event: All Play All

Opponent Rating Result
William F Harris 1588 0 - 1
Patrick Dillon 1662 0 - 1
John Hems 1160 0 - 1
Anthony Stenton 1639 0 - 1
Steve K Dean 1832 0 - 1
Nicolas Bacon 1876 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1226 = (9757 + 400 * (0 - 6)) / 6)

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