Event: Division 2

Opponent Rating Result
Elmira Mirzoeva 0 0 - 1
Xavier Cowan 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-200 = (0 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Colin Mackenzie 0 ½ - ½
Shehab Alshehabi 0 1 - 0
John F Kitchen 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

133 = (0 + 400 * (1 - 0)) / 3)