Event: City Chess Swiss 2016-17

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Opponent Rating Result
Charles L Proctor 0 1 - 0
Chris Peacock 0 1 - 0
Brendan Whitworth 0 1 - 0
James H Aldred 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (4 - 0)) / 4)

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