Event: Winchester

PDF Excel

Opponent	Rating	Result
Hin Long Isaac Yip	1252	0 - 1
Charlie Wilson	0	1 - 0
Namish Dubey	0	0 - 1

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

284 = (1252 + 400 * (1 - 2)) / 3)