Event: Durham League Division B

PDF Excel

Opponent	Rating	Result
Nigel Hall	1919	0 - 1
Paul D McGuigan	1699	½ - ½
Bryan D Harkness	1967	0 - 1

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

1595 = (5585 + 400 * (0 - 2)) / 3)