Event: Division 4

PDF Excel

Opponent	Rating	Result
David Gaskell	1123	0 - 1
Amraya K Johal	862	0 - 1
Darren M Chell	940	0 - 1

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

575 = (2925 + 400 * (0 - 3)) / 3)