Event: City Chess Swiss 2019-20

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Opponent Rating Result
Sean Higham 0 1 - 0
Julian T Farrand 1983 ½ - ½
Azmiddin Aminov 0 1 - 0
Atta Chui 0 1 - 0
Brendan Whitworth 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

637 = (1983 + 400 * (3 - 0)) / 5)

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