Event: D&DCL Div 3

PDF Excel

Opponent	Rating	Result
David JF Woodhouse	1634	1 - 0
Herbert TT Loomes	1502	0 - 1
Tony O'Donovan	1368	1 - 0
Graeme Drayton	1340	1 - 0
Michael O'Brien	1367	1 - 0
Roger Moors	1524	0 - 1
Joe Parker	1289	0 - 1
Mohinderpal Samra	1347	1 - 0
Andy Bacon	1368	½ - ½

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

1504 = (12739 + 400 * (5 - 3)) / 9)