Event: IM Brown

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Opponent	Rating	Result
Richard S Boylan	142	½ - ½
Mike Wilford	109	1 - 0
R Malcolm Hara	124	1 - 0
Chris G Willey	140	½ - ½
Steve Harrington	114	1 - 0
Kenneth L Marsden	79	½ - ½
C Rodney S Mitchinson	98	1 - 0
Richard Tate	116	1 - 0
T Haskins	87	1 - 0

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

379 = (1009 + 400 * (6 - 0)) / 9)