Event: West London TCC

PDF Excel

Opponent	Rating	Result
Elias Gelain-Sohn	130	0 - 1
Maya Kapila	107	1 - 0
Alex Richards	119	0 - 1

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

-15 = (356 + 400 * (1 - 2)) / 3)