Event: The Friendly League

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Opponent Rating Result
Peter Dickinson 1548 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1148 = (1548 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Peter Dickinson 1548 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1148 = (1548 + 400 * (0 - 1)) / 1)