Event: Grand Prix S7

PDF Excel

Opponent	Rating	Result
Dean Corbishley	1500	0 - 1
Benjamin R Shiers	1450	0 - 1
Colin Abell	1509	1 - 0
S Ali Arshad	1167	½ - ½

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

1307 = (5626 + 400 * (1 - 2)) / 4)