Event: Challengers - U1900

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Opponent Rating Result
Julian Tarwid 1650 0 - 1
Graham M Booley 1829 0 - 1
Ben Pourmozafari 1768 1 - 0(def)
James T Bingham 1766 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1348 = (5245 + 400 * (0 - 3)) / 3)

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