Event: Highgate Qualifier

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Opponent	Rating	Result
Harry Elliot	113	0 - 1
Oliver Hilditch	0	1 - 0
Nandinee Thatte	114	0 - 1

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

-58 = (227 + 400 * (1 - 2)) / 3)