Event: Division 4

PDF Excel

Opponent	Rating	Result
John R Huthwaite	1759	1 - 0
Alan J Nelder	1618	0 - 1
Dushan Charith Malimage	1831	0 - 1
Ivan Pedro	1394	0 - 1
Robert Garnett	1605	1 - 0
Keith W Roper	1747	0 - 1
Jim Wellington	1516	½ - ½

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

1524 = (11470 + 400 * (2 - 4)) / 7)