Event: Division 1

PDF Excel

Opponent	Rating	Result
Thomas B Bonn	2268	1 - 0
Tomer Eden	2165	1 - 0
Richard A Bates	2336	0 - 1
Alistair Hill	2254	½ - ½
D Ian Calvert	2031	1 - 0
Alan H Perkins	2169	½ - ½
John M Quinn	2158	½ - ½

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

2312 = (15381 + 400 * (3 - 1)) / 7)