Event: Div4

PDF Excel

Opponent	Rating	Result
Owen Crawford	0	1 - 0
Chris Sharp	0	1 - 0
Dean M Hartley	143	1 - 0
Robert Mercer	119	½ - ½

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

366 = (262 + 400 * (3 - 0)) / 4)