Event: League

PDF Excel

Opponent	Rating	Result
David W Shaw	0	½ - ½
Danny McMenamin	0	1 - 0
Michael Williams	0	1 - 0
Phillip T Seery	0	0 - 1
Michael Farthing	0	1 - 0

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

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