Event: Derby & District Division 3

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Opponent Rating Result
Jon Jenson 1488 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1088 = (1488 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Piotr Natoniewski 1435 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1035 = (1435 + 400 * (0 - 1)) / 1)