Event: U1800 Cup

PDF Excel

Opponent	Rating	Result
Bernard Ross	1203	0 - 1
Piotr Dolewka	1510	1 - 0
Mark Heffer	1698	0 - 1

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

1337 = (4411 + 400 * (1 - 2)) / 3)