Event: Division 3

PDF Excel

Opponent	Rating	Result
Stuart Humphreys	0	0 - 1
John Coller	0	1 - 0
R (Bob) Abrahart	1613	1 - 0

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

671 = (1613 + 400 * (2 - 1)) / 3)