Event: Division 1

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Opponent	Rating	Result
Douglas Blythe	1660	½ - ½
Keith Homeyard	1940	0 - 1
Henry Cove	1956	0 - 1

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

1585 = (5556 + 400 * (0 - 2)) / 3)