Event: Super League

Opponent Rating Result
Benjamin Lappin 0 1 - 0
Daniel M Lambourne 1993 0 - 1
Ian A Robson 2191 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1395 = (4184 + 400 * (1 - 1)) / 3)

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