Event: Weymouth U2200 2023

PDF Excel

Opponent	Rating	Result
Roger D de Coverly	1997	1 - 0
Andrew F Footner	1997	0 - 1
Ian C Clark	1972	1 - 0
Rolf Hansen	0	0 - 1

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

1492 = (5966 + 400 * (2 - 2)) / 4)