Event: B&DCL Div 2

PDF Excel

Opponent	Rating	Result
Andrew Alderton	122	1 - 0
Barry MS Jolly	132	0 - 1
Paul T Errington	119	1 - 0
Steve E Culleton	133	½ - ½
Robert Halse	130	0 - 1
Steve E Culleton	133	0 - 1
Paul A Bland	117	½ - ½

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

69 = (886 + 400 * (2 - 3)) / 7)