Event: Div4

PDF Excel

Opponent	Rating	Result
Alex Abdullahi	0	0 - 1
Fred Biles	103	1 - 0
Stephen Smithson	13	0 - 1
Ray Sawyer	0	0 - 1
Shish Ganapathi	51	1 - 0
Luke Woodward	36	1 - 0
John Moughtin-Leay	66	½ - ½

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

38 = (269 + 400 * (3 - 3)) / 7)