Event: Eastman Cup

PDF Excel

Opponent	Rating	Result
Andrew M Stone	2155	0 - 1
Graham DJ Keane	2179	0 - 1
Adam Cranston	1783	½ - ½

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

1772 = (6117 + 400 * (0 - 2)) / 3)