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Event: U1825 Group A

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Opponent Rating Result
Michael J Norris 152 0 - 1
John (jnr) Wall 152 0 - 1
RF (Bob) Collins 152 1 - 0
Robert E Rickard 152 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

152 = (608 + 400 * (2 - 2)) / 4)

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