Event: MCA Division 2

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Opponent	Rating	Result
Steve J Burge	1713	½ - ½
AM (Tony) McNamara	1810	½ - ½
T Jeff Povall	1773	0 - 1
Marek Korsinskij	1758	0 - 1
AM (Tony) McNamara	1810	1 - 0
Jack Erskine-Pereira	1758	0 - 1
Kevin A Sartain	1885	1 - 0

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

1730 = (12507 + 400 * (2 - 3)) / 7)