Event: NCCA League Division 4

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Opponent	Rating	Result
Yuming Bian	1623	0 - 1
Dennis G Driscoll	1328	1 - 0
Benjie Elston	1350	½ - ½
Matthew McLaughlan	1350	0 - 1
Jonah Walklate	950	1 - 0
Richie Allen	1417	0 - 1
Heather Enid Walker	1239	1 - 0
Pranavsuriya Kumar	1400	0 - 1

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

1282 = (10657 + 400 * (3 - 4)) / 8)