Event: RAPID

PDF Excel

Opponent	Rating	Result
Chris Jones	0	0 - 1
David Bradley	0	1 - 0
David Wallis	0	1 - 0
Ben Glyn-Jones	0	1 - 0
Paul W O'Brien	0	0 - 1

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

80 = (0 + 400 * (3 - 2)) / 5)