Event: Grand Prix S10

PDF Excel

Opponent	Rating	Result
Rowan J Webb	1375	1 - 0
David A Hallen	1486	0 - 1
S Ali Arshad	1167	0 - 1

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

1209 = (4028 + 400 * (1 - 2)) / 3)