Event: Division One

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Opponent Rating Result
Colin S Procter 156 ½ - ½
Colin S Procter 154 0 - 1
Peter Hughes 151 ½ - ½
Keith Marshall 155 ½ - ½
Rupert W Jones 151 ½ - ½
Henri Pascal 122 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

82 = (889 + 400 * (0 - 1)) / 6)

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Opponent Rating Result
Lee Crawford 149 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

549 = (149 + 400 * (1 - 0)) / 1)