Event: Billingham Synthonia Chess Club August 2024 Rapid

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Opponent	Rating	Result
Bernie Callaghan	1472	1 - 0
Dermot O'Higgins	1602	1 - 0
John S Garnett	2047	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1840 = (5121 + 400 * (2 - 1)) / 3)