Event: Division 2

PDF Excel

Opponent	Rating	Result
Neil Cannon	2020	½ - ½
Zaki Harari	2145	0 - 1
Mike Roberts	2080	½ - ½
George Harding-Perrott	0	1 - 0
Peter Jaszkiwskyj	1990	½ - ½
Antony C Hall	1849	0 - 1
Terry D Whitton	1892	0 - 1

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

1597 = (11976 + 400 * (1 - 3)) / 7)