Event: Division 4B

PDF Excel

Opponent	Rating	Result
Doug May	1147	1 - 0
Simon M Hall	1480	0 - 1
Andrew Cameron	65	1 - 0
William Cook	1412	1 - 0

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

1226 = (4104 + 400 * (3 - 1)) / 4)