Event: Moyle

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Opponent Rating Result
Jacquie Barber-Lafon 120 1 - 0
Raymond W Chubb 87 1 - 0
Brian Stuart 79 1 - 0
Jacquie Barber-Lafon 120 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

302 = (406 + 400 * (3 - 1)) / 4)

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