Event: Mini League

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Opponent Rating Result
Paul Hardy 1509 1 - 0
Dominic Gallagher 1695 ½ - ½
Keith J Riach 1623 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1742 = (4827 + 400 * (1 - 0)) / 3)

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