Event: Deric Cox Trophy

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Opponent Rating Result
Pierre McLean 1400 0 - 1
Olexandra Andronova 1300 1 - 0
Les Denford 1268 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1189 = (3968 + 400 * (1 - 2)) / 3)

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