Event: SCCA Division 2

PDF Excel

Opponent	Rating	Result
John A Feavyour	0	0 - 1
James Irwin	0	0 - 1
Chris Skirrow	1683	0 - 1
Amy John	1531	1 - 0
Mark Heffer	1698	0 - 1

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

742 = (4912 + 400 * (1 - 4)) / 5)