Event: Division 2

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Opponent Rating Result
Eric Mansfield 108 1 - 0
Steven M Flaherty 126 ½ - ½
Ray Sutcliffe 101 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

378 = (335 + 400 * (2 - 0)) / 3)

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Opponent Rating Result
Sam Walmsley 108 1 - 0
Yousaf Ahmed 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

454 = (108 + 400 * (2 - 0)) / 2)