Event: Ribbands Rapidplay

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Opponent	Rating	Result
Gabriel Varea	1082	0 - 1
Marcin Rodzik	1195	0 - 1
Rob Davies	1404	0 - 1

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

827 = (3681 + 400 * (0 - 3)) / 3)