Event: Division 3

Opponent Rating Result
Arthur Gold 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Nadim Osseiran 1226 1 - 0
Xiling Wang 1206 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1616 = (2432 + 400 * (2 - 0)) / 2)