Event: Billingham Synthonia Chess Club Championship 2023-24

Opponent Rating Result
Nicola Britton 1356 1 - 0
Derek Simpson 1459 1 - 0
John S Garnett 1963 0 - 1
Benjamin Dodgson 1434 ½ - ½
Keith Harrison 1576 1 - 0(def)
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1653 = (6212 + 400 * (2 - 1)) / 4)

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