Event: Winter Blitz

PDF Excel

Opponent	Rating	Result
Martin G Walker	0	0 - 1
Nathan Adams	0	1 - 0
Anthony J Arnold	0	1 - 0
Carl Purkiss	0	0 - 1
Heather Enid Walker	0	1 - 0

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

80 = (0 + 400 * (3 - 2)) / 5)