Event: Online League Season 2, Division 1

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Opponent	Rating	Result
Andrew Butterworth	2013	0 - 1
Joseph B Bradey	1818	0 - 1
Daniel Gottschalk	0	0 - 1
Chris CW Shephard	2178	0 - 1
W (Bill) Ward	1675	1 - 0
Vasileios Pasialis	2028	1 - 0
Richard F Hall	0	1 - 0

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

1330 = (9712 + 400 * (3 - 4)) / 7)