Event: Harrogate Evening League 2022 season

PDF Excel

Opponent	Rating	Result
Mate Ther	2123	0 - 1
Mark W Rogerson	0	½ - ½
Jeff Dutton	1559	1 - 0

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

1227 = (3682 + 400 * (1 - 1)) / 3)