Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Alan Bramall	141	0 - 1
Iain H Forsyth	94	1 - 0
Robert Bacon	109	1 - 0
Zak Tomlinson	108	0 - 1
Gerald R Thickett	103	1 - 0

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

191 = (555 + 400 * (3 - 2)) / 5)