Event: Division 2

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Opponent	Rating	Result
W John Marshall	1784	½ - ½
Graham Robertson	1589	1 - 0
James E O'Dell	0	0 - 1
John D Kimber	1806	0 - 1
Feliks J Kwiatkowski	2258	0 - 1
Hooman Honarvarmahalati	1851	½ - ½
Chris Jones	2124	0 - 1
Michael J Reddie	1784	0 - 1
Ian G Kelly	1865	1 - 0

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

1540 = (15061 + 400 * (2 - 5)) / 9)