Event: LADDER

PDF Excel

Opponent	Rating	Result
Philip Crompton	1515	0 - 1
Ben Glyn-Jones	1348	0 - 1
Keith Guinness	0	0 - 1
Mark Cox	1079	1 - 0
David Bradley	1364	½ - ½
Paul W O'Brien	1621	0 - 1
Marcus Whiting	1457	0 - 1

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

969 = (8384 + 400 * (1 - 5)) / 7)