Event: Iceni Live 6 Challengers

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Opponent Rating Result
Stephen Livermore 1522 0 - 1
Heather Enid Wells 1239 1 - 0
Graham R Jones 1407 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1256 = (4168 + 400 * (1 - 2)) / 3)

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