Event: Div3

PDF Excel

Opponent	Rating	Result
Neil Cameron	122	½ - ½
Paul Hardwick	108	½ - ½
Andrew Robins	144	1 - 0
Michael Moon	0	½ - ½

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

194 = (374 + 400 * (1 - 0)) / 4)