Event: NCCA League Division 4

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Opponent	Rating	Result
Adam M Dougall	1648	0 - 1
Aaron Hodgson	1450	1 - 0
Bruce M Carman	1511	½ - ½
Alina Bakytzhan	1650	0 - 1
Jonathan R Reeve	1624	½ - ½
Matthew Carter	1600	0 - 1
David L Jones	1518	½ - ½

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

1457 = (11001 + 400 * (1 - 3)) / 7)