Event: JTCC South London

Opponent Rating Result
Zachary Parsons 0 1 - 0
Gaurav Manikandan 30 0 - 1
Arnav Kumar 1612 0 - 1
Hari Singh 1472 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

679 = (3114 + 400 * (1 - 2)) / 4)

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