Event: Portsmouth Club Championship

PDF Excel

Opponent	Rating	Result
Liam Rowe	1570	1 - 0
Oleg Barantsev	2055	0 - 1
Simon Venables	1879	0 - 1

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

1701 = (5504 + 400 * (1 - 2)) / 3)