Event: Broadland Rapidplay cup

PDF Excel

Opponent	Rating	Result
Graham K Blowers	1801	0 - 1
Chris Flynn	1500	0 - 1
Aaron Hodgson	1672	1 - 0
Anthony J Arnold	1467	0 - 1
Heather Enid Walker	1182	1 - 0
Michael John Sturman	1618	0 - 1

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

1407 = (9240 + 400 * (2 - 4)) / 6)