Event: Div4

PDF Excel

Opponent	Rating	Result
Edward Brown	113	1 - 0
R Arthur Hall	107	½ - ½
R Arthur Hall	109	1 - 0
Alex Abdullahi	0	1 - 0
Edward Brown	119	0 - 1
Fred Biles	102	½ - ½
Edward Brown	119	1 - 0
Harry Madden	98	0 - 1

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

196 = (767 + 400 * (4 - 2)) / 8)