Event: Grand Prix S7

PDF Excel

Opponent	Rating	Result
Charlie G Swinson	1429	0 - 1
Colin Abell	1509	1 - 0
David A Hallen	1486	1 - 0
Dean Corbishley	1500	0 - 1

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

1481 = (5924 + 400 * (2 - 2)) / 4)