Event: Division 1

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Opponent Rating Result
Steve Whatmore 1884 ½ - ½
Ray Sawyer 1668 1 - 0
Nikoli Tisma-Walker 1862 0 - 1
Mircea-Marius Mesesan 2041 0 - 1
John Staniforth 1810 ½ - ½
Catherine Hiley 1666 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1755 = (10931 + 400 * (1 - 2)) / 6)

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