Event: City Chess Swiss 2019-20

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Opponent Rating Result
D Ian Calvert 1993 1 - 0
David J Wilson 0 ½ - ½
Mohammad E Said 0 1 - 0
Haran Rasalingam 0 1 - 0
Johan Rydahl 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

719 = (1993 + 400 * (4 - 0)) / 5)

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