Event: Div1

PDF Excel

Opponent	Rating	Result
Peter JE Ackley	189	½ - ½
Jonah B Willow	218	0 - 1
Ray J Forey	177	1 - 0
Esteve Mateu Guiu	184	0 - 1
Hubert Mossong	186	0 - 1
Shane Bhayat	162	½ - ½
Daniel JS Sullivan	188	1 - 0

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

129 = (1304 + 400 * (2 - 3)) / 7)