Event: Rolls-Royce Club Comp 2019-20

PDF Excel

Opponent	Rating	Result
Michael D Boreham	130	½ - ½
Lukasz Gazda	0	0 - 1

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

-135 = (130 + 400 * (0 - 1)) / 2)