Event: Division 2

PDF Excel

Opponent	Rating	Result
Alex Webster	163	1 - 0
Vidura Mendis	135	1 - 0
Julian Cast	176	0 - 1
Chris Hill	147	1 - 0
J Stuart Williams	179	1 - 0
Andrew Stevens	0	1 - 0
Alex B Combie	171	1 - 0

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

424 = (971 + 400 * (6 - 1)) / 7)