Event: South London Qualifier

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Opponent Rating Result
Sambuddha Pal 1234 0 - 1
Andrei Chernolesskiy 1726 1 - 0
Poorwa Gunarathna 1308 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1289 = (4268 + 400 * (1 - 2)) / 3)

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