Event: Division 2

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Opponent	Rating	Result
Jerry Humphreys	2025	½ - ½
David Painter-Kooiman	1940	0 - 1
Mark I Walker	2181	0 - 1
Richard Garrett	2023	0 - 1
Martin J White	1922	½ - ½
Jerry Humphreys	2046	½ - ½
A Clive Walley	1948	0 - 1

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

1784 = (14085 + 400 * (0 - 4)) / 7)