Event: City Chess Swiss 2016-17

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Opponent Rating Result
Nigel Giffin 0 ½ - ½
Izabella Khazagerova 0 ½ - ½
Sam Hayday 0 1 - 0
Luis Ortiz Sanchez 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

0 = (0 + 400 * (1 - 1)) / 4)

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Opponent Rating Result
Igor Nepomniashchiy 0 1 - 0
Graham R Parker 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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