Event: 53rd Cotswold Open

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Opponent	Rating	Result
Richard CP Freeman	1975	½ - ½
Graham Bolt	2058	0 - 1
Keith Downey	1758	1 - 0
Craig Kennedy	1894	0 - 1
Daniel Hilditch-Love	1905	0 - 1
Robert M Ashworth	1897	½ - ½

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

1781 = (11487 + 400 * (1 - 3)) / 6)