Event: Five Counties Div 3

PDF Excel

Opponent	Rating	Result
Nicolas Holland	1109	0 - 1
James Cowan	1301	1 - 0
Amit Aryan Sanka	1260	1 - 0
Alex De Villiers	1117	1 - 0
Henry Ayres	1247	0 - 1
Cornelius Zyakhor	856	1 - 0
Lianna Shilani Tousi	0	1 - 0

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

1156 = (6890 + 400 * (5 - 2)) / 7)