Event: City Chess Swiss 2019-20

Opponent Rating Result
Alexander Reid 0 0 - 1
Sushil Srivastava 0 1 - 0
Veselin K Karadotchev 0 1 - 0
Inga Jirgensone 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (0 + 400 * (2 - 1)) / 4)

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Opponent Rating Result
Ray P Hamilton 0 0 - 1
Konstantinos Sakellariou 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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