Event: Division 5

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Opponent Rating Result
Paul Shelley 92 0 - 1
S Ali Arshad 58 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-125 = (150 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Philip Wright 70 ½ - ½
Richard Hind 25 1 - 0
Neil Hankey 50 1 - 0
S Ali Arshad 58 1 - 0
Simon Haas 70 1 - 0
Isabelle M Rose 27 1 - 0
Jamie D Jones 40 1 - 0
Martin J Chadwick 60 ½ - ½
Isabelle M Rose 35 ½ - ½
Jamie D Jones 40 1 - 0
Anthony D Cooling 81 ½ - ½
S Ali Arshad 58 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

285 = (614 + 400 * (7 - 0)) / 12)