Event: Eastman Cup

PDF Excel

Opponent	Rating	Result
Jonathan Rubeck	1880	½ - ½
John H Hodgson	2152	0 - 1
Andrew H Heard	1862	0 - 1

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

1698 = (5894 + 400 * (0 - 2)) / 3)