Event: 6-Board Division 1

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Opponent	Rating	Result
Mark I Collinson	2073	0 - 1
Mark I Collinson	2073	½ - ½
David W Stephenson	1893	0 - 1
Keith Thompson	1930	0 - 1
Shaun J Culkin	1983	0 - 1
Paul A Allison	1773	½ - ½
Thomas L Hackett	1713	0 - 1

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

1634 = (13438 + 400 * (0 - 5)) / 7)