Event: Harrogate Evening League 2021 season

PDF Excel

Opponent	Rating	Result
Jacob Smith	0	½ - ½
Kieran Dickson	0	½ - ½
Steve Collins	0	1 - 0
John Powell	0	1 - 0
Andrew Zigmond	0	1 - 0

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

240 = (0 + 400 * (3 - 0)) / 5)