Event: September 2024 Rapid Billingham Synthonia

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Opponent	Rating	Result
Michael Smalley	1547	0 - 1
Bernie Callaghan	1456	1 - 0
Michael Joynes	1438	0 - 1

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

1347 = (4441 + 400 * (1 - 2)) / 3)