Event: David Jenkins Memorial Cup

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Opponent	Rating	Result
Petra Nunn	1948	0 - 1
Jakub Radzik	0	1 - 0
Michael Hill	1762	0 - 1
Robert Dyer	0	1 - 0
Lloyd Retallick	1850	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1032 = (5560 + 400 * (2 - 3)) / 5)