Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
Stephen G Wootton	1629	1 - 0
Alan F Downham	1843	1 - 0
Ray Sawyer	1716	1 - 0
Dean M Hartley	1815	0 - 1

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

1951 = (7003 + 400 * (3 - 1)) / 4)