Event: Minor Counties

PDF Excel

Opponent	Rating	Result
John A Edge	2095	½ - ½
Ken B McEwan	2125	½ - ½
Nigel Birtwistle	2197	½ - ½

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

2139 = (6417 + 400 * (0 - 0)) / 3)