Event: Ladder

PDF Excel

Opponent	Rating	Result
Russell G Granat	0	0 - 1
Russell G Granat	0	0 - 1
David B Graham	0	0 - 1
Keith Homeyard	0	½ - ½

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

-300 = (0 + 400 * (0 - 3)) / 4)