Event: Division 1

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Opponent Rating Result
Duncan R Badham 152 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

552 = (152 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Don Banks 131 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

131 = (131 + 400 * (0 - 0)) / 1)