Event: B&DCL Div 2

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Opponent	Rating	Result
P Dragi Popovic	1788	½ - ½
Jamie Doyle	1672	0 - 1
Michael Jackson	1773	0 - 1
David Michael Fuller	1908	½ - ½
Steve E Culleton	1855	0 - 1
David Michael Fuller	1908	½ - ½
John E Harris	1593	½ - ½
Peter Wilcock	1825	½ - ½
David Arorash	1578	½ - ½

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

1633 = (15900 + 400 * (0 - 3)) / 9)