Event: September Quickplay

PDF Excel

Opponent	Rating	Result
Daniel Ayre	1027	1 - 0
Michael J Creaney	1661	0 - 1
Laura Holdforth	1230	1 - 0

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

1439 = (3918 + 400 * (2 - 1)) / 3)