Event: SCCA Division 2 Rapidplay Cup

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Opponent Rating Result
Mark Heffer 1703 1 - 0
Mark Heffer 1703 1 - 0
Michael E Usher 1809 0 - 1
Michael E Usher 1809 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1756 = (7024 + 400 * (2 - 2)) / 4)

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