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Event: U1825 Group A

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Opponent Rating Result
Peter A Mottram-Epson 107 0 - 1
John Grasham 152 1 - 0
Ian B Chester 107 1 - 0
Karthik Prabhu 73 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

110 = (439 + 400 * (2 - 2)) / 4)

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