Event: Individual Championship

PDF Excel

Opponent	Rating	Result
Kevin N Bendall	122	1 - 0
Robert Ashworth	158	1 - 0
Brian Dinter	201	0 - 1
Ian A Robson	191	0 - 1
John Jenkins	182	½ - ½

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

171 = (854 + 400 * (2 - 2)) / 5)