Event: U1850

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Opponent	Rating	Result
Orla Dorman	1728	1 - 0
Granville Boot	1826	½ - ½
Alexander Burke	1748	1 - 0

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

2034 = (5302 + 400 * (2 - 0)) / 3)