Event: 53rd Cotswold Open

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Opponent	Rating	Result
Callum D Brewer	2240	0 - 1
Alexandru-Mitic Moldovan	1803	1 - 0
David L Roberts	2030	0 - 1
Thomas Weavin	1619	1 - 0
Julian D Llewellyn	1893	0 - 1
Keith Downey	1758	½ - ½

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

1824 = (11343 + 400 * (2 - 3)) / 6)