Event: Billingham Synthonia Chess Club Championship 2023-24

Opponent Rating Result
Keith Harrison 1576 0 - 1
Sean Cooke 959 1 - 0
Dermot O'Higgins 1490 0 - 1
Nicola Harrington 1000 1 - 0
Paul Weightman 1592 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1243 = (6617 + 400 * (2 - 3)) / 5)

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