Event: Division 2

Opponent Rating Result
Ray Sutcliffe 0 0 - 1
Colin Knight 0 0 - 1
William T Jones 37 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-121 = (37 + 400 * (1 - 2)) / 3)

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

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