Event: EACU Patrick Ribbands Team Championships-U6400

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Opponent	Rating	Result
Simon Marsden	0	0 - 1
Dmytro Gostiev	1390	1 - 0
Harry Hartshorn	1504	0 - 1

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

831 = (2894 + 400 * (1 - 2)) / 3)