Event: Lewisham Summer Cup

PDF Excel

Opponent	Rating	Result
James R Barber	1326	0(def) - 1
David M Rogers	1672	0 - 1
Harry Gulliver	1527	0 - 1

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

1200 = (3199 + 400 * (0 - 2)) / 2)