Event: Div1

PDF Excel

Opponent	Rating	Result
David G Levens	152	0 - 1
Michael J Alderson	174	0 - 1
Gary Haime	152	0 - 1
Martin Cobham	147	½ - ½
Andrew J Mort	157	0 - 1
David G Levens	155	½ - ½
Michael D Johnson	171	0 - 1
Jaime Castro	157	½ - ½
Steve P Retout	155	½ - ½
Gary Haime	153	½ - ½

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

-43 = (1573 + 400 * (0 - 5)) / 10)