Event: City Chess Swiss 2016-17

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Opponent Rating Result
James Nicholson 0 1 - 0
Erika Orsagova 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Paul Lickman 0 0 - 1
Zsombor Baki 0 1 - 0
David R Chambers 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-133 = (0 + 400 * (1 - 2)) / 3)