Event: Watkinson League

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Opponent Rating Result
Jonathan Moreton 112 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

512 = (112 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
J Myers 112 0 - 1
Peter Czerwinski 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-344 = (112 + 400 * (0 - 2)) / 2)