Event: Division 2

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Opponent	Rating	Result
Grant Daly	1667	1 - 0
Mike Levene	1894	0 - 1
Toby Kattenbelt	1668	½ - ½

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

1743 = (5229 + 400 * (1 - 1)) / 3)