Event: Cornwall League 2023

PDF Excel

Opponent	Rating	Result
Ian Renshaw	1418	0 - 1
Petra Nunn	2063	0 - 1
Colin Sellwood	0	1 - 0

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

1027 = (3481 + 400 * (1 - 2)) / 3)