Event: Online League - Division 1

PDF Excel

Opponent	Rating	Result
Alec Hedger	0	0 - 1
William F Tracey	0	0 - 1
David W Fryer	0	0(def) - 1
Tim Wilkinson	0	1 - 0

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

-133 = (0 + 400 * (1 - 2)) / 3)