Event: Division 2

PDF Excel

Opponent	Rating	Result
Robert R Sanders	1890	0 - 1
Simon Webber	1699	0 - 1
James Irwin	1773	½ - ½
Graeme Jones	1700	½ - ½
Timothy J Wesson	1801	0 - 1
Ed Kirkham	1782	0 - 1
Chris Wescomb	1600	1 - 0

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

1578 = (12245 + 400 * (1 - 4)) / 7)