Event: Division 3

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Opponent Rating Result
Alan R Griffiths 162 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

162 = (162 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Nick J London 142 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-258 = (142 + 400 * (0 - 1)) / 1)