Event: NCCA Norfolk & Suffolk Cup

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Opponent Rating Result
Carl Purkiss 1557 1 - 0
Mark Lim 1904 1 - 0
Brian R Jeffery 1867 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2176 = (5328 + 400 * (3 - 0)) / 3)

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