Event: B(2) Division

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Opponent	Rating	Result
Philip Adams	2016	½ - ½
Precious Amaechi	1700	1 - 0
Alexander Burke	1842	1 - 0

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

2119 = (5558 + 400 * (2 - 0)) / 3)