Event: Library Rapidplay May

Opponent Rating Result
Matthew Hartill 840 1 - 0
Jayden Wang 947 ½ - ½
George Butterworth 1097 0 - 1
Tejveer Singh 502 1 - 0
Ravleen Singh 851 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

847 = (4237 + 400 * (2 - 2)) / 5)

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