Event: Club Championship Div 1

PDF Excel

Opponent	Rating	Result
David I Hulme	1766	1 - 0
David Lambton	1868	1 - 0
Karl Lockett	1760	½ - ½

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

2065 = (5394 + 400 * (2 - 0)) / 3)