Event: IM Brown Shield

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Opponent Rating Result
Simon Skinner 1612 1 - 0
Paul Gelder 1583 1 - 0
Shaoyuan Shan 1272 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1889 = (4467 + 400 * (3 - 0)) / 3)

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