Event: Division 5

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Opponent Rating Result
Harvey M Murray-Smith 107 0 - 1
Reinhard Haack 70 1 - 0
Allan R Beaumont 94 0 - 1
Andrew David Lowe 60 0 - 1
Edward P Day 54 0 - 1
Isabelle M Rose 42 ½ - ½
Martin J Chadwick 65 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-158 = (492 + 400 * (1 - 5)) / 7)

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Opponent Rating Result
S Ali Arshad 51 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

51 = (51 + 400 * (0 - 0)) / 1)