Event: Pioneer Online League

PDF Excel

Opponent	Rating	Result
Philip A Wood	0	1 - 0
Harry Baxter	0	1 - 0
Tom Wills	0	1 - 0
John Thackray	0	0 - 1

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

200 = (0 + 400 * (3 - 1)) / 4)