Event: League Division One

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Opponent Rating Result
Jim E Vickery 167 0 - 1
Paul Howden 140 0 - 1
Mark D Crowther 185 0 - 1
Paul RH Clarke 151 1 - 0
Paul May 154 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-81 = (797 + 400 * (1 - 4)) / 5)

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Opponent Rating Result
Robert Moneagle 142 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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