Event: R Division

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Opponent	Rating	Result
James Marshall	1393	0 - 1
John F Walton	1323	0 - 1
Leo Cheung	1285	0 - 1
Iain Summers	1250	0 - 1
Kiruthikvarshan Ramesh	1200	0 - 1
Rajdeep Singh	856	0 - 1
Alicia Custy	1418	0 - 1
James Marshall	1393	0 - 1
John F Walton	1323	0 - 1
Leo Cheung	1285	0 - 1
Iain Summers	1250	0 - 1
Kiruthikvarshan Ramesh	1200	0 - 1
Rajdeep Singh	856	0 - 1
Alicia Custy	1418	0 - 1

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

846 = (17450 + 400 * (0 - 14)) / 14)