Event: MCA Division 2

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Opponent	Rating	Result
Sean Kane	1600	1 - 0
Ron Harrison	0	1 - 0
Johnathon Curley	0	½ - ½
Phil Ramsey	1720	1 - 0
T Jeff Povall	1773	1 - 0
AM (Tony) McNamara	1810	1 - 0
Mike J O'Mahony	1810	½ - ½
Ben Ellington	1705	1 - 0
Geoffrey W Sage	1930	1 - 0

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

1683 = (12348 + 400 * (7 - 0)) / 9)