Event: Mini League

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Opponent Rating Result
Dominic Gallagher 115 1 - 0
Michell Rosamonte 94 ½ - ½
John Grasham 129 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

113 = (338 + 400 * (1 - 1)) / 3)

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