Event: Club Championship

PDF Excel

Opponent	Rating	Result
John P Knee	1743	1 - 0
John Chester	1725	1 - 0
Brian Turner	1965	1 - 0
Matthew Jordan	1759	0 - 1
Friedrich Quigley	1899	0 - 1
Ian J Clarke	1969	½ - ½
James Allsopp	1647	1 - 0

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

1930 = (12707 + 400 * (4 - 2)) / 7)