Event: Harrogate Evening League 2021 season

PDF Excel

Opponent	Rating	Result
Jacob Smith	0	0 - 1
Steve Collins	0	1 - 0
Mike R Stokes	0	0 - 1
Andrew Zigmond	0	1 - 0

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

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