Event: B&DCL Div 4

PDF Excel

Opponent	Rating	Result
John E Harris	1578	1 - 0
Stuart Mallon	1727	1 - 0
Andrew M Alderton	1587	½ - ½
Hugo Melling	1600	0 - 1
Paul Sandy	1562	0 - 1
Robert M Willington	1672	0 - 1
Paul T Errington	1586	½ - ½

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

1559 = (11312 + 400 * (2 - 3)) / 7)