Event: Division 2

PDF Excel

Opponent	Rating	Result
Alan Preece	0	0 - 1
Matthew Rowe	0	0 - 1
Greg Parkes	0	0 - 1
David Cleak	0	½ - ½
Greg Parkes	0	1 - 0
Simon Berry	0	1 - 0

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

-67 = (0 + 400 * (2 - 3)) / 6)