Event: Division 2

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Opponent	Rating	Result
Mike Swift	1345	0 - 1
Ashton Morrissey	1212	0 - 1
Hafsa Riaz	1107	0 - 1

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

821 = (3664 + 400 * (0 - 3)) / 3)