Event: Steele Cup

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Opponent	Rating	Result
Paul M Arnold	1580	1 - 0
Leon A Garfield	1451	1 - 0
I Redmond	1340	½ - ½
Jimmy Phillips	1499	1 - 0
Jon Hunt	1597	1 - 0
Charles De Freitas	1300	1 - 0
John Dickie	1375	0 - 1
Rob D Hamilton	1480	½ - ½
Jon Hunt	1597	1 - 0

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

1691 = (13219 + 400 * (6 - 1)) / 9)