Event: David Jenkins Memorial Cup

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Opponent Rating Result
Robert Dyer 0 1 - 0
Kieran Macphail 1550 1 - 0
Petra Nunn 1948 ½ - ½
Lloyd Retallick 1850 1 - 0
Percy TP Gill 1802 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1590 = (7150 + 400 * (3 - 1)) / 5)

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