Event: Division 3

PDF Excel

Opponent	Rating	Result
Peter K Harrison	1750	0 - 1
Shabir Okhai	2215	0 - 1
Elizabeth Gist	1563	1 - 0
Julian Tarwid	1700	0 - 1
Brian L Slater	1593	0 - 1
Mick Sandham	1653	1 - 0
Robert Stone	1435	0 - 1
Michael A jnr Garland	1623	0 - 1
Nick M Wyld	1450	0 - 1

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

1442 = (14982 + 400 * (2 - 7)) / 9)