Event: SCL Div 5

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Opponent Rating Result
Ian D Parker 1160 1 - 0
Christopher Budden 1494 ½ - ½
Keven A Lamb 1411 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1355 = (4065 + 400 * (1 - 1)) / 3)

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