Event: Club Championships 23-24

Opponent Rating Result
Andy Hill 1840 0 - 1
Nigel Pollett 1551 1 - 0
Peter J Kirby 1926 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1639 = (5317 + 400 * (1 - 2)) / 3)

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