Event: City Chess Swiss 2019-20

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Opponent Rating Result
Victor Valov 1810 0 - 1
Alan Freedman 0 0 - 1
Joseph S Rees 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

203 = (1810 + 400 * (0 - 3)) / 3)

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