Event: Division One

PDF Excel

Opponent	Rating	Result
Gautam R Jain	185	0 - 1
Andrew Gilfillan	186	0 - 1
John S Walton	175	½ - ½
Steve Madden	156	½ - ½
David Lewis	0	1 - 0

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

60 = (702 + 400 * (1 - 2)) / 5)