Event: 4-Board Division 1

PDF Excel

Opponent	Rating	Result
Joe Varley	156	0 - 1
John Thackray	166	0 - 1
N Charles Clayton	99	0 - 1
Shaun E Taylor	131	½ - ½
Paul GE Carter	129	1 - 0
Peter T Perkins	118	½ - ½
David P Thrun	79	1 - 0

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

68 = (878 + 400 * (2 - 3)) / 7)