Event: Rapidplay

PDF Excel

Opponent	Rating	Result
Ken Gorman	118	0 - 1
Ken Gorman	118	1 - 0
Roy Ellames	223	0 - 1
Roy Ellames	223	0 - 1

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

-30 = (682 + 400 * (1 - 3)) / 4)