Event: Club Championship

PDF Excel

Opponent	Rating	Result
James Allsopp	1530	1 - 0
Alexandr Mityaev	2225	0 - 1
John Chester	1715	1 - 0
Ferdinand Lipinsky	1310	1 - 0
Pierre Lipinsky	1800	1 - 0
Lee Davis	2076	1 - 0
Matthew Jordan	1750	½ - ½

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

2001 = (12406 + 400 * (5 - 1)) / 7)