Event: LADDER

PDF Excel

Opponent	Rating	Result
Paul W O'Brien	0	0 - 1
Ben Glyn-Jones	0	0 - 1
Marcus Whiting	0	1 - 0

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

-133 = (0 + 400 * (1 - 2)) / 3)