Event: Division A

Opponent Rating Result
Conor Reaney 1868 1 - 0
Danny McMenamin 1876 0 - 1
Graham J Ashcroft 1866 0 - 1
Jakub Sosinski 1838 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1662 = (7448 + 400 * (1 - 3)) / 4)

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