Event: 2021 Manx Championship

PDF Excel

Opponent	Rating	Result
Li Wu	0	0 - 1
Paul Smith	0	1 - 0
Victor Magold	0	0 - 1
Colin Watkinson	0	1 - 0
Henrik Fabri	0	0 - 1

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

-80 = (0 + 400 * (2 - 3)) / 5)