Event: TCL Division 1

PDF Excel

Opponent	Rating	Result
Robert G Wilby	129	0 - 1
Leslie Barron	46	1 - 0
James Schofield	156	0 - 1
Andrew S Kinder	146	0 - 1

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

-81 = (477 + 400 * (1 - 3)) / 4)