Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
Ian R Morrell	65	1 - 0
Andre Cockburn	119	½ - ½
Paul Williams	142	½ - ½
John S Shaw	139	½ - ½

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

216 = (465 + 400 * (1 - 0)) / 4)