Event: Peter-Div1TestingGrading

PDF Excel

Opponent	Rating	Result
John P Mainwaring	136	½ - ½
Adam Cook	118	0 - 1
Robert S Stokes	98	0 - 1

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

-149 = (352 + 400 * (0 - 2)) / 3)