Event: Division 2

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Opponent Rating Result
Tom, T Werner 0 1 - 0
Howard Brears 122 ½ - ½
Michael Jackson 175 0 - 1
Paul Salisbury 130 1 - 0
Sam Watson 119 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

269 = (546 + 400 * (3 - 1)) / 5)

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