Event: Super League

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Opponent Rating Result
Tristram De Piro 1979 1 - 0
Rob J Cannell 2223 ½ - ½
Peter Kirby 2064 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2355 = (6266 + 400 * (2 - 0)) / 3)

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