Event: Harrogate Evening League 2021 season

PDF Excel

Opponent	Rating	Result
Peter Rawcliffe	0	1 - 0
Paul A Johnson	0	0 - 1
Jacob Smith	0	½ - ½
Mike R Stokes	0	0 - 1

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

-100 = (0 + 400 * (1 - 2)) / 4)