Event: Online League Season 2, Lucky Dip

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Opponent Rating Result
Harry Feather 1610 0 - 1
Bryan Wood 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

405 = (1610 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Geoff Frost 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 1)) / 1)