Event: Div1

PDF Excel

Opponent	Rating	Result
Paul Madden	196	½ - ½
Anthony L Natt	168	1 - 0
Esteve Mateu Guiu	184	0 - 1
Jonah B Willow	218	0 - 1
David Latham	181	0 - 1

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

29 = (947 + 400 * (1 - 3)) / 5)