Event: Rated club games

PDF Excel

Opponent	Rating	Result
Bernadette Marie	1160	0 - 1
Bernadette Marie	1178	1 - 0
Bernadette Marie	1176	1 - 0

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

1305 = (3514 + 400 * (2 - 1)) / 3)