Event: Division 5

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Opponent Rating Result
Joe Hirst 93 ½ - ½
Julian Bulbeck 119 0 - 1
Richard G Martin 62 1 - 0
Robert Perry 79 1 - 0
Eddie D Burke 85 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

168 = (438 + 400 * (2 - 1)) / 5)

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