Event: Div4

PDF Excel

Opponent	Rating	Result
Michael D Boreham	116	½ - ½
Michael JR Page	115	0 - 1
Paul H O'Flanagan	124	0 - 1
Michael WA Hoare	132	½ - ½
Ronald S Harrison	117	½ - ½
John E Fryer	113	1 - 0
Nigel D Marshall	113	1 - 0
Tomasz D Adamski	0	½ - ½
R Arthur Hall	107	½ - ½
Barry W Lings	99	1 - 0
Fred Biles	102	1 - 0

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

176 = (1138 + 400 * (4 - 2)) / 11)