Event: TCC South London

Opponent Rating Result
Rupert Marsden 1696 0 - 1
Arin Gramopadhye 1053 0 - 1
Sebastian Gamber 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

516 = (2749 + 400 * (0 - 3)) / 3)

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