Event: Super League

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Opponent Rating Result
Rob J Cannell 2273 ½ - ½
Zack Norris 1964 1 - 0
Andrew Horton 2461 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2233 = (6698 + 400 * (1 - 1)) / 3)

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