Event: Division Three

PDF Excel

Opponent	Rating	Result
Mark A Drugan	140	0 - 1
Robert J Purcell	138	0 - 1
Brian Homewood	131	1 - 0
Rajeev P Raghavan	161	0 - 1
Roger Threlfall	134	½ - ½
Adam GA Draper	159	½ - ½
T Giles Stanton	128	½ - ½

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

27 = (991 + 400 * (1 - 3)) / 7)