Event: Club Championships 23-24

Opponent Rating Result
Peter Marks 1672 0 - 1
Nigel Pollett 1753 ½ - ½
Graham Strickland 1359 0 - 1
Piotr Zielinski 1680 0 - 1
Michael Jennings 1323 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1397 = (7787 + 400 * (1 - 3)) / 5)

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