Event: Division C

PDF Excel

Opponent	Rating	Result
Ken Gorman	103	0 - 1
Paul N Fearnhead	93	0 - 1
John Regan	112	½ - ½
John Regan	112	0 - 1
John Cox	85	0 - 1

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

-219 = (505 + 400 * (0 - 4)) / 5)