Event: TCC South London

Opponent Rating Result
Rishabh Madhok 1158 0 - 1
Eric Hinault 0 1 - 0
Luis Barquinha 784 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

781 = (1942 + 400 * (2 - 1)) / 3)

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