Event: Rapid Play

PDF Excel

Opponent	Rating	Result
Paul A Chaplin	1385	1 - 0
Paul A Chaplin	1385	0 - 1
Gavin Johnstone	1423	0 - 1

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

1264 = (4193 + 400 * (1 - 2)) / 3)