Event: DCL Div 2

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Opponent	Rating	Result
David JW Hardie	1845	½ - ½
David Michael Fuller	1898	½ - ½
Martin J Clancy	1820	1 - 0
Frank J Pittman	1842	1 - 0
Geoff C Searing	1899	1 - 0
Stephen M Pollyn	1766	½ - ½
Adam R Ursell	1923	0 - 1

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

1970 = (12993 + 400 * (3 - 1)) / 7)