Event: D&DCL Div 1

PDF Excel

Opponent	Rating	Result
Owen Crawford	1458	1 - 0
John Potter	0	0 - 1
Edward T Bromilow	1870	1 - 0

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

1243 = (3328 + 400 * (2 - 1)) / 3)