Event: Gordon Nobbs League

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Opponent Rating Result
John E Dean 123 1 - 0
John E Dean 123 0 - 1
Ivan Singleton 75 1 - 0
Ivan Singleton 75 1 - 0
Megan E O'Brien 143 0 - 1
Michael Ghillyer 46 1 - 0
Michael Ghillyer 46 1 - 0
Megan E O'Brien 143 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

297 = (774 + 400 * (6 - 2)) / 8)

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