Event: B&DCL Div 2

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Opponent	Rating	Result
Mark Edwards	1700	0 - 1
Robert Halse	1800	½ - ½
Brian Curran	1762	0 - 1
Thorsten Meyer	1772	0 - 1
Femi Oloyede	1773	0 - 1
E James Schumacher	1816	0 - 1
John Torrance	1700	1 - 0
Barry MS Jolly	1601	1 - 0
Neil Salinger	1639	0 - 1

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

1551 = (15563 + 400 * (2 - 6)) / 9)