Event: Walker Shield

PDF Excel

Opponent	Rating	Result
David Erwee	1533	1 - 0
William Hogben-Lambert	1090	1 - 0
Leon A Garfield	1480	½ - ½
Graeme Boxall	1435	½ - ½
Daniel Allen	1188	½ - ½
William Horsford	903	0 - 1
Graeme Boxall	1435	0 - 1

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

1295 = (9064 + 400 * (2 - 2)) / 7)