Event: 4th Cornwall Online League

PDF Excel

Opponent	Rating	Result
Petra Nunn	0	0 - 1
Barry B Childs	0	½ - ½
Lloyd Russell	0	1 - 0
Simon Margetts	0	1 - 0
Maria Evdokimova	0	1 - 0

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

160 = (0 + 400 * (3 - 1)) / 5)