Event: Division One

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Opponent Rating Result
Mike Bramson 153 0 - 1
Sam Scurfield 132 0 - 1
William (Bill) G Clark 149 ½ - ½
Robert A Dean 148 0 - 1
Robin F Browne 140 0 - 1
Keith Marshall 150 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-55 = (872 + 400 * (1 - 4)) / 6)

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Opponent Rating Result
Keith Brack 104 1 - 0
Paul RH Clarke 143 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

124 = (247 + 400 * (1 - 1)) / 2)