Event: Eastman Cup

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Opponent	Rating	Result
Christopher Russell	2333	½ - ½
Jeremy K Hodgson	1899	1 - 0
Venkataramanan Tiruchirapalli	2340	1 - 0
Eldar Gasanov	2197	0 - 1
Shreyas Royal	2412	0 - 1
David Steyn	1690	1 - 0

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

2212 = (12871 + 400 * (3 - 2)) / 6)