Event: City Chess Swiss 2019-20

Opponent Rating Result
Azmiddin Aminov 1660 0 - 1
Gaurav Sharma 0 0 - 1
Paul Lickman 0 ½ - ½
Tamas L Babos 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

315 = (1660 + 400 * (1 - 2)) / 4)

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