Event: IM Brown

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Opponent	Rating	Result
Chris G Willey	140	½ - ½
Alec Grice	138	0 - 1
Chris Bennett	154	0 - 1
John M Allan	165	0 - 1
Bien Cuaresma	135	0 - 1
Ian D Strickland	122	½ - ½
Peter Rawcliffe	143	0 - 1
David Keddie	169	1 - 0
Ian M Thackray	118	½ - ½
Norman G Andrews	132	½ - ½
Peter J Mulleady	175	0 - 1

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

-37 = (1591 + 400 * (1 - 6)) / 11)