Event: Billingham Synthonia Chess Club June 2024 Rapid Play

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Opponent	Rating	Result
John S Garnett	2042	0 - 1
Ashton Woodward	1539	½ - ½

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

1591 = (3581 + 400 * (0 - 1)) / 2)