Event: Division One

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Opponent Rating Result
Kevin Hurney 175 0 - 1
Derek Laight 155 1 - 0
Joe Kadar 127 1 - 0
Praveen Joy 143 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

350 = (600 + 400 * (3 - 1)) / 4)

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