Event: B&DCL Div 5

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Opponent	Rating	Result
Joseph Wikramaratna-Clarke	97	0 - 1
Paul A Bland	117	0 - 1
Michael Tew	85	0 - 1
Paul Stanley	86	1 - 0
Derek Jones	93	1 - 0
Michael Tew	85	1 - 0
Ken Dixon	113	0 - 1
Ken Dixon	113	1 - 0
Chris Frost	74	½ - ½

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

96 = (863 + 400 * (4 - 4)) / 9)