Event: Division 2

Opponent Rating Result
Hayden Griffiths 1748 0 - 1
Oliver Thornley 1787 1 - 0
Oliver T Isaac 1722 1 - 0
GA Harvey 1858 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1979 = (7115 + 400 * (3 - 1)) / 4)

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