Event: Division 5

PDF Excel

Opponent	Rating	Result
Nigel Bowler	0	0 - 1
Alistaire Davidson	1354	0 - 1
Maksim Krasnov	1409	0 - 1
Benjamin Humphreys	1448	0 - 1
Charlie Carr	1092	0 - 1
Michael James	922	1 - 0
Ben Clarke	0	1 - 0

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

718 = (6225 + 400 * (2 - 5)) / 7)