Event: Autumn Online League - Swiss

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Opponent	Rating	Result
Paul W O'Brien	0	0 - 1
Sharon Merchant	0	1 - 0
Colin D Clark	0	0 - 1
Ekhi Berasain	0	1 - 0
David B Graham	0	0 - 1

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

-80 = (0 + 400 * (2 - 3)) / 5)