Event: LCA Division 2

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Opponent Rating Result
Robert J Arthurton 1572 0 - 1
Nick Sykes 1803 0 - 1
Peter Taylor 475 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1150 = (3850 + 400 * (1 - 2)) / 3)

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