Event: ECC Online RapidPlay Results 04/12/20

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Opponent	Rating	Result
Paul Doherty	155	0 - 1
Jules Irenge	127	1 - 0
Darrell Lindsay	1321	1 - 0

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

668 = (1603 + 400 * (2 - 1)) / 3)