Event: City Chess Swiss 2018-19

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Opponent Rating Result
David R Chambers 0 1 - 0
Johan Rydahl 0 0 - 1
Inga Jirgensone 0 1 - 0
Johan Rydahl 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (0 + 400 * (3 - 1)) / 4)

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Opponent Rating Result
Atta Chui 0 0 - 1
Fraser A Lees 0 0 - 1
Steven JF Walsh 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-267 = (0 + 400 * (0 - 2)) / 3)