Event: Spring Swiss

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Opponent Rating Result
Akshata Balakrishnan 642 1 - 0
Rashi Patange 0 0 - 1
Gerry Stonehouse 1198 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

480 = (1840 + 400 * (1 - 2)) / 3)

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