Event: LCA Division 2

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Opponent Rating Result
Nick Sykes 1803 0 - 1
Christopher Cumbers 1413 1 - 0
Sam Barnard 475 0 - 1
Keith May 1028 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

980 = (4719 + 400 * (1 - 3)) / 4)

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