Event: Durham League Division A

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Opponent Rating Result
Jonathan Sams 1814 1 - 0
George Gazis 1947 0 - 1
Zachary Cansdale 2076 0 - 1
Fedir Dyshliuk 1815 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1913 = (7652 + 400 * (2 - 2)) / 4)

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