Event: Billingham Synthonia Chess Club Championship 2023-24

Opponent Rating Result
Graham E Edwards 1339 0 - 0
Nicola Britton 1000 1 - 0
Benjamin Dodgson 1434 0 - 1
Michael Joynes 1000 1 - 0
Dermot O'Higgins 1490
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1278 = (3434 + 400 * (2 - 1)) / 3)

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