Event: D&DCL Div 1

PDF Excel

Opponent	Rating	Result
Paul Madden	2122	0 - 1
David Smith	1813	1 - 0
Edward T Bromilow	1819	1 - 0
Alex Webster	1914	1 - 0

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

2117 = (7668 + 400 * (3 - 1)) / 4)