Event: Online League Season 3, Division 3

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Opponent	Rating	Result
Michael P Freund	1683	0 - 1
David Moore	0	1 - 0
Elliott Harris	0	1 - 0
David Moore	0	0 - 1
David Moore	0	0 - 1
Michael P Freund	1699	0 - 1
Reuben Litherland	1378	0 - 1
Colin Reid	1399	½ - ½

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

620 = (6159 + 400 * (2 - 5)) / 8)