Event: Division 4

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Opponent Rating Result
George Mitchell 1470 0 - 1
Liam Guest 900 0 - 1
Nick Cutler 1556 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1175 = (3926 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Liam Guest 1443 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1843 = (1443 + 400 * (1 - 0)) / 1)