Event: Harrogate Evening League 2022 season

PDF Excel

Opponent	Rating	Result
Jacob Smith	0	0 - 1
Peter Rawcliffe	0	0 - 1
J Hall	0	0 - 1
Eli Maunder	1431	1 - 0

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

158 = (1431 + 400 * (1 - 3)) / 4)