Event: Division 2

Opponent Rating Result
Svein Arne Kjenner 1875 1 - 0
John C Staplehurst 1530 1 - 0
James Harrison 1525 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2043 = (4930 + 400 * (3 - 0)) / 3)

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