Event: Norman Ellis (Open)

Opponent Rating Result
Jael J de Sousa Muachikape 1850 0 - 1
David L Pedro 1783 1 - 0
Ben Strutt 1876 0 - 1
Craig Magee 1771 ½ - ½
Clive W Davies 1875 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1751 = (9155 + 400 * (1 - 2)) / 5)

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