Event: Division 4

PDF Excel

Opponent	Rating	Result
Mark Thwaites	1469	1 - 0
Oli Bain	1585	1 - 0
Lana Crowe	1465	0 - 1

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

1640 = (4519 + 400 * (2 - 1)) / 3)