Event: West of England Counties Online Championship

PDF Excel

Opponent	Rating	Result
Grant Healey	1867	1 - 0
Robert M Ashworth	1857	0 - 1
Thomas G Thorpe	2085	0 - 1
Daniel Shek	1767	0 - 1

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

1694 = (7576 + 400 * (1 - 3)) / 4)