Event: Summer League

PDF Excel

Opponent	Rating	Result
Simon Gathern	1588	1 - 0
Alex Carey	1739	0 - 1
Edward Small	1698	1 - 0
David Lacey	1770	1 - 0
Simon Gathern	1588	1 - 0
Alex Carey	1739	1 - 0
Edward Small	1698	0 - 1
David Lacey	1770	1 - 0

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

1899 = (13590 + 400 * (6 - 2)) / 8)