Event: Broadland Club Swiss

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Opponent Rating Result
Chris Cook 1385 1 - 0
Michael John Sturman 1555 1 - 0(def)
Roy Hughes 2045 ½ - ½
Carl Purkiss 1559 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1930 = (4989 + 400 * (2 - 0)) / 3)

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