Event: Harrogate Evening League 2021 season

PDF Excel

Opponent	Rating	Result
Paul A Johnson	0	1 - 0
Kieran Dickson	0	1 - 0
Paul Butterworth	0	1 - 0
Max Parkhouse	0	½ - ½

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

300 = (0 + 400 * (3 - 0)) / 4)