Event: Division 5

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Opponent Rating Result
Mark Turner 1316 1 - 0
Robert Garnett 1601 ½ - ½
Dorothy M Blampied 1227 1 - 0
Nilesh Prabhakaran 1011 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1589 = (5155 + 400 * (3 - 0)) / 4)

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