Event: Billingham Synthonia Chess Club August 2024 Rapid

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Opponent Rating Result
Nicola Harrington 1272 1 - 0
John Marsden 1438 1 - 0
Harry Tennant 1593 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1834 = (4303 + 400 * (3 - 0)) / 3)

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