Event: Div3

PDF Excel

Opponent	Rating	Result
Matthew Caswell	108	0 - 1
Edward T Bromilow	157	1 - 0
Marcel V Taylor	144	0 - 1
Martin Cobham	149	½ - ½
Shah Hussain	121	0 - 1
Kevin J Gallagher	128	0 - 1
Roy Woods	133	0 - 1

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

-94 = (940 + 400 * (1 - 5)) / 7)