Event: South London Qualifier

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Opponent Rating Result
Andrei Chernolesskiy 1726 1 - 0
Denis Lalic 0 0 - 1
Elena Rees 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

709 = (1726 + 400 * (2 - 1)) / 3)

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