Event: Millar Cup

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Opponent	Rating	Result
Richard G Eales	195	½ - ½
Richard G Eales	195	0 - 1
John Thorley	145	1 - 0
John Thorley	145	0 - 1
Peter LT Blundell	120	1 - 0
David J Shire	169	0 - 1
Robert Collopy	156	0 - 1
Kevin Smyth	163	0 - 1

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

11 = (1288 + 400 * (2 - 5)) / 8)