Event: Grand Prix S2

PDF Excel

Opponent	Rating	Result
Colin Abell	1509	0 - 1
Leo Mills	1000	1 - 0
Ewan F Corden	1277	½ - ½
David A Hallen	1486	0 - 1

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

1218 = (5272 + 400 * (1 - 2)) / 4)