Event: Durham League Division B

PDF Excel

Opponent	Rating	Result
Theo Jenkins	1810	0 - 1
Daniel Williams	1602	1 - 0
John Reddington	1543	1 - 0
Stephen J Hall	1837	0 - 1

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

1698 = (6792 + 400 * (2 - 2)) / 4)