Event: Challengers

PDF Excel

Opponent	Rating	Result
Lee Windridge	0	0 - 1
Nik Loginov	1382	0 - 1
Reginald G Pidduck	1419	0 - 1
Bayley Simpson	1150	0 - 1
Steven Blay	1415	0 - 1
Paul Verrall	1371	0 - 1
Fredy Reber	1185	0 - 1
Robert Cronin	1395	0 - 1
Fred Cooper	1141	½ - ½

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

806 = (10458 + 400 * (0 - 8)) / 9)