Event: Division R

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Opponent Rating Result
Kyriakos Chovardas 1648 0 - 1
Peter Smith 1429 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1539 = (3077 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Peter Smith 1420 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1820 = (1420 + 400 * (1 - 0)) / 1)