Event: Derby & District Division 1

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Opponent	Rating	Result
Steven J Burke	1912	0 - 1
D Martin Howard	1965	0 - 1
Maurice J Hill	1733	½ - ½

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

1603 = (5610 + 400 * (0 - 2)) / 3)