Event: SCL Div 3

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Opponent Rating Result
Graeme Ford 1514 0 - 1
Timothy J Chapman 1702 0 - 1
John Shaddick 1583 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1333 = (4799 + 400 * (0 - 2)) / 3)

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