Event: City Chess League 2016-17

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Opponent	Rating	Result
Gabor Pinter	0	½ - ½
Fraser A Lees	0	1 - 0
Daniel Lindner	0	1 - 0

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

267 = (0 + 400 * (2 - 0)) / 3)