Event: Kent Qualifier

Opponent Rating Result
Aarush Rai 0 1 - 0
Hayden Lam 0 1 - 0
James Middleton 1360 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

853 = (1360 + 400 * (3 - 0)) / 3)

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