Event: MCA Division 2

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Opponent	Rating	Result
Mike J O'Mahony	1810	½ - ½
Ben Ellington	1705	½ - ½
Peter Jenner	1578	½ - ½
Gerard Chandler	0	½ - ½
Jamie Kumar	1600	0 - 1
Mike J O'Mahony	1810	½ - ½
Tom EC Webb	1653	0 - 1
Kenneth Payne	1420	½ - ½
Brendan D Kane	1773	0 - 1

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

1350 = (13349 + 400 * (0 - 3)) / 9)