Event: Division 5

PDF Excel

Opponent	Rating	Result
Graham Johnson	1549	0 - 1
Jonah Tomsett	1216	1 - 0
Benjamin Humphreys	1448	0 - 1
Alex Clements	981	0 - 1
Michael James	922	1 - 0
Vincent Barker	0	0 - 1
Kenneth B Heath	1240	1 - 0

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

994 = (7356 + 400 * (3 - 4)) / 7)