Event: IM Brown

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Opponent Rating Result
Jim E Vickery 0 ½ - ½
Zana Aziz 0 0 - 1
Lackson Mzizi 0 ½ - ½
Bryan Hesler 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-100 = (0 + 400 * (0 - 1)) / 4)

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