Event: Billingham Synthonia Chess Club August 2024 Rapid

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Opponent	Rating	Result
Nathan Godfrey	1377	0 - 1
Graham Bartram	1270	1 - 0
Ashton Woodward	1485	½ - ½

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

1377 = (4132 + 400 * (1 - 1)) / 3)