Event: 4-board Division 3

PDF Excel

Opponent	Rating	Result
Mark Schofield	1313	0 - 1
Edward Staples	1300	½ - ½
Paddy McLeary	1200	0 - 1

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

1004 = (3813 + 400 * (0 - 2)) / 3)