Event: Division 3

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Opponent Rating Result
Mark Croasdale 1655 0 - 1
Nandinee Thatte 1600 0 - 1
Jonathan Rosen-Webb 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

952 = (3255 + 400 * (1 - 2)) / 3)

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