Event: Dave Nicholas Summer League

Opponent Rating Result
John Lightowler 138 1 - 0
Michael Gallagher 94 1 - 0
Tristram De Piro 159 1 - 0
John Lightowler 138 ½ - ½
Tristram De Piro 159 1 - 0
Michael Gallagher 94 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

464 = (782 + 400 * (5 - 0)) / 6)

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