Event: St Mary's Qualifier

PDF Excel

Opponent	Rating	Result
Mylo Sixsmith	1270	0 - 1
Isaac Lancaster	0	0 - 1
Matthew Gracie	0	1 - 0

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

290 = (1270 + 400 * (1 - 2)) / 3)