Event: Walker Shield

PDF Excel

Opponent	Rating	Result
Zeno Burns	1196	0 - 1
Zeno Burns	1196	1 - 0
Graeme Boxall	1422	0 - 1
Malcolm Snashall	1470	1 - 0
Owen Pennington	1500	0 - 1
David Erwee	1473	0 - 1
Jimmy Phillips	1499	0 - 1

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

1222 = (9756 + 400 * (2 - 5)) / 7)