Event: Belper Club Championships

PDF Excel

Opponent	Rating	Result
Daniel Hardman	1675	0 - 1
Nigel D Marshall	1555	0 - 1
James Flint	0	0 - 1
Edward Brown	1540	0 - 1

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

793 = (4770 + 400 * (0 - 4)) / 4)