Event: IM Brown

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Opponent	Rating	Result
Tom Wills	2030	0 - 1
Sachin Ragu	1387	1 - 0
Neville R Pearce	1672	1 - 0
Paul Butterworth	1779	½ - ½
Peter Rawcliffe	1744	1 - 0
Paul SN Kendall	1945	½ - ½
John M Allan	1814	½ - ½
Leo A Keely	2043	½ - ½
Samuel J Playford	1693	½ - ½

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

1879 = (16107 + 400 * (3 - 1)) / 9)