Event: Online League Season 2, Division 3

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Opponent	Rating	Result
Joe G Primrose	0	0 - 1
Ivan Basarab-Horwath	1570	0 - 1
Steve Withington	1735	½ - ½
Mattiangelo D'Agnese	0	0 - 1
Michael P Freund	1692	0 - 1
Colin Reid	0	1 - 0
Brian Lever	0	0 - 1

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

485 = (4997 + 400 * (1 - 5)) / 7)