Event: Championship 2018

PDF Excel

Opponent	Rating	Result
Jim Bird	95	1 - 0
Clive W Davies	160	0 - 1
John Brooke	117	1 - 0
S Neil Bolton	78	1 - 0
Ben Strutt	80	1 - 0

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

346 = (530 + 400 * (4 - 1)) / 5)