Event: Minor Open Qualifier

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Opponent	Rating	Result
Chris J McSheehy	1720	0 - 1
Ian W Mackay	1747	0 - 1
Shree Rao	1506	1 - 0
Gary L Cornwall	1926	1 - 0
Paul Cox	1880	0 - 1

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

1676 = (8779 + 400 * (2 - 3)) / 5)