Event: Crewe Rapidplay - Division 1

PDF Excel

Opponent	Rating	Result
Harry Gardiner	104	1 - 0
Harry Gardiner	104	0 - 1
Neville Layhe	121	0 - 1
Neville Layhe	121	0 - 1
David I Hulme	138	1 - 0
David I Hulme	138	0 - 1
Rich Wiltshir	158	0 - 1
Rich Wiltshir	158	0 - 1
David P Price	113	0 - 1
David P Price	113	0 - 1

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

-113 = (1268 + 400 * (2 - 8)) / 10)