Event: Super League

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Opponent Rating Result
Rob J Cannell 2189 ½ - ½
Andrew E James 1748 1 - 0
Duncan Dicks 2101 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2146 = (6038 + 400 * (1 - 0)) / 3)

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