Event: Division 2

PDF Excel

Opponent	Rating	Result
Liam Giles	1350	0 - 1
Barry R Smith	1539	1 - 0
Codey Hunter	1413	0 - 1
Peter Rose	1473	0 - 1
Peter Gavin	1438	1 - 0

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

1363 = (7213 + 400 * (2 - 3)) / 5)