Event: Division 3

PDF Excel

Opponent	Rating	Result
Filipe Rinaldi	1227	0 - 1
Mark Webb	1443	0 - 1
Rob Davies	1346	0 - 1
David (Abs) Bailey	1150	0 - 1
Mark Webb	1461	1 - 0

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

1085 = (6627 + 400 * (1 - 4)) / 5)