Event: LCA Division 2

Opponent Rating Result
Nick Sykes 1803 0 - 1
Jules Brown 1713 0 - 1
Robert J Arthurton 1572 1 - 0
Peter Taylor 475 1 - 0
Andrew T Watson 1421 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1317 = (6984 + 400 * (2 - 3)) / 5)

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