Event: D&DCL Div 1

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Opponent	Rating	Result
Daniel Blumenow	1812	0 - 1
Simon N Gilmore	2053	0 - 1
Ranjit Nath	1781	1 - 0
Andy Townsend	1886	½ - ½
David Smith	1807	½ - ½
John D Hoddy	1801	1 - 0
Edward T Bromilow	1824	½ - ½
David Smith	1793	0 - 1

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

1795 = (14757 + 400 * (2 - 3)) / 8)