Event: Division 2

PDF Excel

Opponent	Rating	Result
Simon Walton	1644	0 - 1
Michael WA Hoare	1609	0 - 1
Peter J R Oliver	1589	0 - 1
David W Fone	1597	1 - 0
Leslie Andrews	1536	1 - 0
Michael WA Hoare	1609	0 - 1
Stephen Shields	1350	0 - 1

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

1391 = (10934 + 400 * (2 - 5)) / 7)