Event: EACU Patrick Ribbands Team Championships-U6400

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Opponent	Rating	Result
David J Payne	1757	0 - 1
Nathan Weersing	1536	1 - 0
James Pack	1897	0 - 1

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

1597 = (5190 + 400 * (1 - 2)) / 3)