Event: South London Qualifier

Opponent Rating Result
Pratyush Joshi 1375 1 - 0
Joshua Doyle 1523 0 - 1
Balahari Bharat Kumar 1738 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1545 = (4636 + 400 * (1 - 1)) / 3)

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