Event: Yorkshire Blitz

PDF Excel

Opponent	Rating	Result
Bill Wilson	1823	0 - 1
Neil Taylor	1596	½ - ½
Michael Smalley	1578	0 - 1
Amandeep Singh	1152	0 - 1
Diane Dickson	1082	0 - 1
Pranav Rajan	0	0 - 1
Jatinder Singh	1319	0 - 1
Sarah Kaur	0	1 - 0
James Kennedy	1161	1 - 0

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

901 = (9711 + 400 * (2 - 6)) / 9)