Event: R Division

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Opponent	Rating	Result
Lachlan Harding-Cornish	1300	0 - 1
Terry Robinson	1152	1 - 0
Aaron Lewis	1097	1 - 0
William Bartlett	1102	0 - 1
Lachlan Harding-Cornish	1300	0 - 1
Terry Robinson	1152	1 - 0
Aaron Lewis	1097	0 - 1
William Bartlett	1102	0 - 1

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

1063 = (9302 + 400 * (3 - 5)) / 8)