Event: Belper Club Championships

PDF Excel

Opponent	Rating	Result
Alan F Downham	1923	0 - 1
Debbie Rogers	0	1 - 0
Alan Holden	1420	1 - 0
Matthew Bubis	1773	1 - 0
Jaime Castro	1818	0 - 1

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

1467 = (6934 + 400 * (3 - 2)) / 5)