Event: Division 1

PDF Excel

Opponent	Rating	Result
John Jarmany	200	1 - 0
John Jarmany	200	0 - 1
Steve R Hodge	189	1 - 0
Richard M Cowan	174	1 - 0
Arron Barker	168	1 - 0

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

426 = (931 + 400 * (4 - 1)) / 5)