Event: U1600 Team KO

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Opponent	Rating	Result
Barry Kocan	1625	0 - 1
Mike Warden	1488	1 - 0
Dylan Davies	1524	0 - 1

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

1412 = (4637 + 400 * (1 - 2)) / 3)