Event: Billingham Synthonia Chess Club Championship 2023-24

Opponent Rating Result
Geoffrey Garnett 1409 1 - 0
Sean Cassidy 1562 0 - 1
Graham E Edwards 1339 1 - 0
Dermot O'Higgins 1490 1 - 0
Benjamin Dodgson 1434 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1607 = (7234 + 400 * (3 - 1)) / 5)

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