Event: SCL Div 1

PDF Excel

Opponent	Rating	Result
John R Wilkinson	0	1 - 0
Martin GS Buckley	0	1 - 0
David J Holmes	0	½ - ½

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

267 = (0 + 400 * (2 - 0)) / 3)