Event: Billingham Synthonia Chess Club Championship 2023-24

Opponent Rating Result
Paul Weightman 1592 0 - 1
Nicola Harrington 1000 1 - 0
Geoffrey Garnett 1409 ½ - ½
Keith Harrison 1576 0 - 1
Graham Bartram 976
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1294 = (5577 + 400 * (1 - 2)) / 4)

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